10-Q

FORM 10-Q

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

___________________

[x] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE

SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2017

OR

[ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE

SECURITIES EXCHANGE ACT OF 1934

For the Transition Period from _______ to _______

Commission File Number 0-17071

FIRST MERCHANTS CORPORATION

(Exact name of registrant as specified in its charter)

Indiana                                                                            35-1544218

(State or other jurisdiction of                                   (I.R.S. Employer

incorporation or organization)                               Identification No.)

200 East Jackson Street, Muncie, IN                  47305-2814

(Address of principal executive offices)                   (Zip code)

(Registrant’s telephone number, including area code): (765) 747-1500

Not Applicable

(Former name, former address and former fiscal year,

if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed  by  Section  13 or 15 (d) of the  Securities  Exchange  Act of 1934 during the preceding 12 months (or for such shorter  period that the  registrant was  required  to file such  reports),  and (2) has been subject to such filing requirements for the past 90 days. Yes [X]   No [ ]

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes [X]   No [  ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,”  “accelerated filer,” “smaller reporting company,” and "emergining growth company" in Rule 12b-2 of the Exchange Act. (Check one): Large accelerated filer [X]   Accelerated filer [ ]   Non-accelerated filer [ ] (Do not check if smaller reporting company)  Smaller reporting company [ ] Emerging growth company [ ]

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. [ ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes [ ]   No [X]

As of October 31, 2017, there were 49,142,758 outstanding common shares of the registrant.

1

TABLE OF CONTENTS

FIRST MERCHANTS CORPORATION

		Page No.
Glossary of Defined Terms		3
Part I. Financial Information
Item 1.	Financial  Statements:
	Consolidated Condensed Balance Sheets	4
	Consolidated Condensed Statements of Income	5
	Consolidated Condensed Statements of Comprehensive Income	6
	Consolidated Condensed Statement of Stockholders' Equity	7
	Consolidated Condensed Statements of Cash Flows	8
	Notes to Consolidated Condensed Financial Statements	9
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	43
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	58
Item 4.	Controls and Procedures	59
Part II. Other Information
Item 1.	Legal Proceedings	60
Item 1A.	Risk Factors	60
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	60
Item 3.	Defaults Upon Senior Securities	60
Item 4.	Mine Safety Disclosures	60
Item 5.	Other Information	60
Item 6.	Exhibits	61
	Signatures	62
	Index to Exhibits	63

2

GLOSSARY OF DEFINED TERMS

FIRST MERCHANTS CORPORATION

Ameriana	Ameriana Bancorp, Inc., which was acquired by the Corporation on December 31, 2015.
Arlington Bank	The Arlington Bank, which was acquired by the Corporation on May 19, 2017.
ASC	Accounting Standards Codification
Bank	First Merchants Bank, a wholly-owned subsidiary of the Corporation
CET1	Common Equity Tier 1
C Financial	C Financial Corporation, which was acquired by the Corporation on April 17, 2015.
CFS	CFS Bancorp, Inc., which was acquired by the Corporation on November 12, 2013.
CMT	Constant Maturity Treasury
Community	Community Bancshares, Inc., which was acquired by the Corporation on November 7, 2014.
Corporation	First Merchants Corporation
ESPP	Employee Stock Purchase Plan
FDIC	Federal Deposit Insurance Corporation
FHLB	Federal Home Loan Bank
FTE	Fully taxable equivalent
GAAP	Generally Accepted Accounting Principles
IAB	Independent Alliance Banks, Inc., which was acquired by the Corporation on July 14, 2017.
Indiana DFI	Indiana Department of Financial Institutions
RSA	Restricted Stock Awards
SCB	SCB Bank, of which the Bank assumed substantially all the deposits and certain other liabilities and acquired certain other assets from the FDIC as receiver on February 10, 2012.
TEFRA	Tax Equity and Fiscal Responsibility Act. The TEFRA disallowance reduces the amount of interest expense an entity may deduct for the purpose of carrying tax-free investment securities.

3

PART I. FINANCIAL INFORMATION

ITEM 1. CONSOLIDATED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

CONSOLIDATED CONDENSED BALANCE SHEETS

	September 30, 2017			December 31, 2016
	(Unaudited)
ASSETS
Cash and cash equivalents	$	146,607		$	127,927
Interest-bearing time deposits	72,950			24,459
Investment securities available for sale	890,721			696,862
Investment securities held to maturity (fair value of $587,270 and $611,933)	578,166			607,643
Loans held for sale	4,514			2,929
Loans, net of allowance for loan losses of $73,354 and $66,037	6,410,094			5,073,608
Premises and equipment	102,485			94,432
Federal Home Loan Bank stock	23,825			17,964
Interest receivable	32,366			26,194
Goodwill	445,355			244,000
Other intangibles	33,203			14,866
Cash surrender value of life insurance	222,437			201,671
Other real estate owned	11,912			8,966
Tax asset, deferred and receivable	36,024			39,384
Other assets	38,744			30,706
TOTAL ASSETS	$	9,049,403		$	7,211,611
LIABILITIES
Deposits:
Noninterest-bearing	$	1,662,814		$	1,348,267
Interest-bearing	5,248,205			4,208,231
Total Deposits	6,911,019			5,556,498
Borrowings:
Federal funds purchased	100,000			120,349
Securities sold under repurchase agreements	142,107			146,480
Federal Home Loan Bank advances	406,820			298,923
Subordinated debentures and term loans	139,686			128,445
Total Borrowings	788,613			694,197
Interest payable	4,956			3,110
Other liabilities	61,695			56,149
Total Liabilities	7,766,283			6,309,954
COMMITMENTS AND CONTINGENT LIABILITIES
STOCKHOLDERS' EQUITY
Cumulative Preferred Stock, $1,000 par value, $1,000 liquidation value:
Authorized - 600 shares
Issued and outstanding - 125 shares	125			125
Common Stock, $.125 stated value:
Authorized - 100,000,000 and 50,000,000 shares
Issued and outstanding - 49,140,594 and 40,912,697 shares	6,143			5,114
Additional paid-in capital	833,451			509,018
Retained earnings	449,759			400,981
Accumulated other comprehensive loss	(6,358		)	(13,581		)
Total Stockholders' Equity	1,283,120			901,657
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	9,049,403		$	7,211,611

See NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS.

4

PART I. FINANCIAL INFORMATION

ITEM 1. CONSOLIDATED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

CONSOLIDATED CONDENSED STATEMENTS OF INCOME

(Unaudited)

	Three Months Ended September 30,					Nine Months Ended September 30,
	2017		2016			2017		2016
INTEREST INCOME
Loans receivable:
Taxable	$	71,491	$	53,819		$	187,234	$	156,407
Tax exempt	2,851		1,649			7,676		4,429
Investment securities:
Taxable	4,524		3,992			13,012		12,522
Tax exempt	5,455		4,668			15,549		13,760
Deposits with financial institutions	284		55			442		283
Federal Reserve and Federal Home Loan Bank stock	242		193			635		906
Total Interest Income	84,847		64,376			224,548		188,307
INTEREST EXPENSE
Deposits	6,710		3,926			15,971		12,028
Federal funds purchased	175		27			506		62
Securities sold under repurchase agreements	133		91			331		283
Federal Home Loan Bank advances	1,464		853			3,619		2,467
Subordinated debentures and term loans	1,945		1,797			5,602		5,368
Total Interest Expense	10,427		6,694			26,029		20,208
NET INTEREST INCOME	74,420		57,682			198,519		168,099
Provision for loan losses	2,083		1,900			7,343		3,240
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	72,337		55,782			191,176		164,859
OTHER INCOME
Service charges on deposit accounts	5,044		4,667			13,656		13,228
Fiduciary activities	2,995		2,448			8,244		7,318
Other customer fees	5,341		4,777			15,610		14,531
Increase in cash surrender value of life insurance	1,058		906			2,773		2,784
Gains on life insurance benefits	517		(292		)	2,671		603
Net gains and fees on sales of loans	2,317		1,989			5,209		5,166
Net realized gains on sales of available for sale securities	332		839			1,497		2,542
Other income	1,064		1,527			2,288		2,911
Total Other Income	18,668		16,861			51,948		49,083
OTHER EXPENSES
Salaries and employee benefits	33,244		26,651			86,052		79,558
Net occupancy	4,371		4,348			12,552		12,429
Equipment	3,478		2,947			9,192		9,428
Marketing	1,021		630			2,378		2,218
Outside data processing fees	3,162		2,382			8,864		6,476
Printing and office supplies	366		314			905		1,047
Intangible asset amortization	1,698		978			3,592		2,933
FDIC assessments	704		534			1,853		2,486
Other real estate owned and foreclosure expenses	330		637			1,592		2,303
Professional and other outside services	5,843		1,242			10,843		4,882
Other expenses	4,491		3,452			11,300		11,665
Total Other Expenses	58,708		44,115			149,123		135,425
INCOME BEFORE INCOME TAX	32,297		28,528			94,001		78,517
Income tax expense	7,939		7,469			22,314		19,759
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$	24,358	$	21,059		$	71,687	$	58,758
Per Share Data:
Basic Net Income Available to Common Stockholders	$	0.50	$	0.51		$	1.64	$	1.44
Diluted Net Income Available to Common Stockholders	$	0.50	$	0.51		$	1.63	$	1.43
Cash Dividends Paid	$	0.18	$	0.14		$	0.51	$	0.39
Average Diluted Shares Outstanding (in thousands)	48,644		41,026			44,063		40,970

See NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS.

5

PART I. FINANCIAL INFORMATION

ITEM 1. CONSOLIDATED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Net income	$	24,358		$	21,059		$	71,687		$	58,758
Other comprehensive income net of tax:
Unrealized holding gain (loss) on securities available for sale arising during the period, net of tax of $4,101, $1,627, $4,374 and $4,234	(7,617		)	(3,022		)	8,124			7,863
Unrealized gain (loss) on cash flow hedges arising during the period, net of tax of $3, $134, $134 and $835	(7		)	250			(246		)	(1,548		)
Reclassification adjustment for net gains included in net income, net of tax of $32, $183, $258 and $554	(60		)	(339		)	(480		)	(1,029		)
Defined benefit pension plan amortization of prior service cost, net of tax of $31 and $94	(58		)				(175		)
	(7,742		)	(3,111		)	7,223			5,286
Comprehensive income	$	16,616		$	17,948		$	78,910		$	64,044

See NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS.

6

PART I. FINANCIAL INFORMATION

ITEM 1. CONSOLIDATED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

CONSOLIDATED CONDENSED STATEMENT OF STOCKHOLDERS’ EQUITY

(Unaudited)

	Preferred			Common Stock					Additional						Accumulated Other
	Shares	Amount		Shares		Amount			Paid in Capital			Retained Earnings			Comprehensive Income (Loss)			Total
Balances, December 31, 2016	125	$	125	40,912,697		$	5,114		$	509,018		$	400,981		$	(13,581	)	$	901,657
Comprehensive income
Net income												71,687						71,687
Other comprehensive income, net of tax															7,223			7,223
Cash dividends on common stock ($.51 per share)												(22,909		)				(22,909		)
Issuance of common stock related to acquisition				8,044,446		1,006			320,425									321,431
Share-based compensation				84,795		11			1,873									1,884
Stock issued under employee benefit plans				10,781		1			366									367
Stock issued under dividend reinvestment and stock purchase plan				17,557		2			712									714
Stock options exercised				101,759		13			2,310									2,323
Stock redeemed				(31,441	)	(4		)	(1,253		)							(1,257		)
Balances, September 30, 2017	125	$	125	49,140,594		$	6,143		$	833,451		$	449,759		$	(6,358	)	$	1,283,120

See NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS.

7

PART I. FINANCIAL INFORMATION

ITEM 1. CONSOLIDATED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine Months Ended
	September 30, 2017			September 30, 2016
Cash Flow From Operating Activities:
Net income	$	71,687		$	58,758
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	7,343			3,240
Depreciation and amortization	5,696			5,363
Change in deferred taxes	3,542			6,889
Share-based compensation	1,884			1,883
Loans originated for sale	(246,979		)	(280,769		)
Proceeds from sales of loans held for sale	257,695			293,519
Gains on sales of loans held for sale	(4,081		)	(4,338		)
Gains on sales of securities available for sale	(1,497		)	(2,542		)
Increase in cash surrender of life insurance	(2,773		)	(2,784		)
Gains on life insurance benefits	(2,671		)	(603		)
Change in interest receivable	(2,074		)	763
Change in interest payable	597			641
Other adjustments	(9,006		)	775
Net cash provided by operating activities	79,363			80,795
Cash Flows from Investing Activities:
Net change in interest-bearing deposits	200,013			(1,488		)
Purchases of:
Securities available for sale	(307,220		)	(161,962		)
Securities held to maturity	(30,220		)	(94,309		)
Proceeds from sales of securities available for sale	54,513			104,821
Proceeds from maturities of:
Securities available for sale	52,176			52,019
Securities held to maturity	55,276			86,281
Change in Federal Reserve and Federal Home Loan Bank stock	40			19,589
Net change in loans	(401,977		)	(286,125		)
Net cash and cash equivalents received in acquisition	54,536
Proceeds from the sale of other real estate owned	5,046			8,105
Proceeds from life insurance benefits	11,642			2,070
Other adjustments	(1,656		)	(3,800		)
Net cash used in investing activities	(307,831		)	(274,799		)
Cash Flows from Financing Activities:
Net change in :
Demand and savings deposits	132,145			195,395
Certificates of deposit and other time deposits	107,322			(41,973		)
Borrowings	894,674			647,935
Repayment of borrowings	(866,231		)	(594,350		)
Cash dividends on common stock	(22,909		)	(16,023		)
Stock issued under employee benefit plans	367			338
Stock issued under dividend reinvestment and stock purchase plans	714			605
Stock options exercised	2,323			309
Stock redeemed	(1,257		)	(800		)
Net cash provided by financing activities	247,148			191,436
Net Change in Cash and Cash Equivalents	18,680			(2,568		)
Cash and Cash Equivalents, January 1	127,927			102,170
Cash and Cash Equivalents, September 30	$	146,607		$	99,602
Additional cash flow information:
Interest paid	$	24,183		$	19,567
Income tax paid	18,000			4,499
Loans transferred to other real estate owned	8,210			665
Fixed assets transferred to other real estate owned				360
Non-cash investing activities using trade date accounting	3,798			1,341
In conjunction with the acquisitions, liabilities were assumed as follows:
Fair value of assets acquired	$	1,531,397
Cash paid in acquisitions	(12		)
Less: Common stock issued	321,431
Liabilities assumed	$	1,209,954		$	—

See NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS.

8

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

NOTE 1 

GENERAL

Financial Statement Preparation

The significant accounting policies followed by the Corporation and its wholly owned subsidiaries for interim financial reporting are consistent with the accounting policies followed for annual financial reporting. All adjustments, which are of a normal recurring nature and are in the opinion of management necessary for a fair statement of the results for the periods reported, have been included in the accompanying consolidated condensed financial statements.

The Consolidated Condensed Balance Sheet of the Corporation as of December 31, 2016, has been derived from the audited consolidated balance sheet of the Corporation as of that date. Certain information and note disclosures normally included in the Corporation’s annual financial statements, prepared in accordance with accounting principles generally accepted in the United States of America, have been condensed or omitted. These consolidated condensed financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2016 filed with the Securities and Exchange Commission. The results of operations for the three and nine months ended September 30, 2017, are not necessarily indicative of the results to be expected for the year. Reclassifications have been made to prior financial statements to conform to the current financial statement presentation. These reclassifications had no effect on net income.

NOTE 2

ACQUISITIONS

Independent Alliance Banks, Inc.

On November 21, 2016, the Corporation purchased 495,112 shares, or 12.1 percent, of IAB's outstanding common stock from an IAB shareholder for $19.8 million, or $40.00 per share. On July 14, 2017, the Corporation acquired the remaining shares of IAB common stock. IAB, an Indiana Corporation, merged with and into the Corporation, whereupon the separate corporate existence of IAB ceased and the Corporation survived. Immediately following the merger, IAB's wholly-owned subsidiary, iAB Financial Bank, merged with and into the Bank, with the Bank continuing as the surviving bank.

IAB was headquartered in Fort Wayne, Indiana and had 16 banking centers serving the Fort Wayne market. Pursuant to the merger agreement, each IAB shareholder received 1.653 shares of the Corporation's common stock for each outstanding share of IAB common stock held. The Corporation issued approximately 6.0 million shares of common stock. The transaction value for the remaining shares of common stock, not owned by the Corporation, was approximately $238.8 million, resulting in a total purchase price of $258.6 million. The Corporation engaged in this transaction with the expectation that it would be accretive to income and add a new market area with a demographic profile consistent with many of the current Indiana markets served by the Bank. Goodwill resulted from this transaction due to the expected synergies and economies of scale.

In the third quarter of 2017, ASC 805-10 - Business Combinations, required the Corporation to remeasure the 12.1 percent equity interest in IAB's common stock and recognize the resulting gain or loss, if any, in earnings. The remeasurement was based upon the closing price of IAB's common stock immediately prior to the acquisition announcement, and prior to the Corporation obtaining control of IAB. The trading price of IAB's common stock subsequent to the acquisition announcement included a control or acquisition premium and was not indicative of the fair value of the Corporation's pre-existing equity interest immediately prior to the acquisition announcement. The fair value of the equity interest in IAB's common stock after the remeasurement was $19.8 million. The Corporation recorded a $50,000 loss in the third quarter of 2017 as a result of the remeasurement and the loss is reflected in the Corporation's Consolidated Condensed Statements of Income in the line titled "Net realized gains on sales of available for sale securities."

Under the acquisition method of accounting, the total purchase price is allocated to net tangible and intangible assets based on their current estimated fair values on the date of the acquisition. Based on preliminary valuations of the fair value of tangible and intangible assets acquired and liabilities assumed, which are based on assumptions that are subject to change, the purchase price for the IAB acquisition is detailed in the following table. If prior to the end of the one-year measurement period for finalizing the purchase price allocation, information becomes available which would indicate adjustments are required to the purchase price allocation, such adjustments will be included in the purchase price allocation retrospectively.

9

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

	Fair Value
Cash and cash equivalents	$	6,016
Interest-bearing time deposits	248,212
Investment securities	4,078
Loans held for sale	594
Loans	725,382
Premises and equipment	10,107
Federal Home Loan Bank stock	4,810
Interest receivable	3,445
Cash surrender value of life insurance	26,964
Other assets	11,780
Deposits	(862,271		)
Securities sold under repurchase agreements	(17,915		)
Federal Home Loan Bank Advances	(47,575		)
Subordinated debentures	(10,583		)
Interest payable	(1,005		)
Other liabilities	(14,472		)
Net tangible assets acquired	87,567
Other Intangible assets	17,403
Goodwill	153,636
Purchase price	$	258,606

Of the total purchase price, $17,403,000 has been allocated to other intangible assets. Approximately $13.6 million was allocated to a core deposit intangible, which will be amortized over its estimated life of 10 years. Approximately $3.8 million was allocated to a non-compete intangible, which will be amortized over its estimated life of 2 years. The remaining purchase price has been allocated to goodwill, which is not deductible for tax purposes.

Acquired loan data for IAB can be found in the table below:

	Fair Value of Acquired Loans at Acquisition Date		Gross Contractual Amounts Receivable at Acquisition Date		Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected
Acquired receivables subject to ASC 310-30	$	4,838	$	14,131	$	8,352
Acquired receivables not subject to ASC 310-30	$	720,544	$	864,613	$	9,786

The Arlington Bank

On May 19, 2017, the Corporation acquired 100 percent of Arlington Bank. Arlington Bank, an Ohio savings bank, merged with and into the Bank, with the Bank continuing as the surviving bank. Arlington Bank was headquartered in Columbus, Ohio and had 3 banking centers serving the Columbus, Ohio market. Pursuant to the merger agreement, each Arlington Bank shareholder received 2.7245 shares of the Corporation's common stock for each outstanding share of Arlington Bank common stock held. The Corporation issued approximately 2.1 million shares of common stock, which was valued at approximately $82.6 million. The Corporation engaged in this transaction with the expectation that it would be accretive to income and expand the existing footprint in Columbus, Ohio. Goodwill resulted from this transaction due to the expected synergies and economies of scale.

Under the acquisition method of accounting, the total purchase price is allocated to net tangible and intangible assets based on their current estimated fair values on the date of the acquisition. Based on preliminary valuations of the fair value of tangible and intangible assets acquired and liabilities assumed, which are based on assumptions that are subject to change, the purchase price for the Arlington Bank acquisition is detailed in the following table. If prior to the end of the one-year measurement period for finalizing the purchase price allocation, information becomes available which would indicate adjustments are required to the purchase price allocation, such adjustments will be included in the purchase price allocation retrospectively.

10

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

	Fair Value
Cash and cash equivalents	$	48,532
Interest-bearing time deposits	292
Loans held for sale	7,626
Loans	224,680
Premises and equipment	1,986
Federal Home Loan Bank stock	1,091
Interest receivable	653
Other assets	1,620
Deposits	(252,783		)
Interest payable	(244		)
Other liabilities	(3,106		)
Net tangible assets acquired	30,347
Core deposit intangible	4,526
Goodwill	47,719
Purchase price	$	82,592

Of the total purchase price, $4,526,000 has been allocated to a core deposit intangible that will be amortized over its estimated life of 10 years. The remaining purchase price has been allocated to goodwill, which is not deductible for tax purposes.

Acquired loan data for Arlington Bank can be found in the table below:

	Fair Value of Acquired Loans at Acquisition Date		Gross Contractual Amounts Receivable at Acquisition Date		Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected
Acquired receivables subject to ASC 310-30	$	2,625	$	6,183	$	2,891
Acquired receivables not subject to ASC 310-30	$	222,055	$	308,857	$	2,741

Pro Forma Financial Information

The results of operations of Arlington Bank and IAB have been included in the Corporation's consolidated financial statements since the acquisition dates. The following schedule includes pro forma results for the three and nine months ended September 30, 2017 and the annual period ended December 31, 2016, as if the Arlington Bank and IAB acquisitions occurred as of the beginning of the periods presented.

	Three Months Ended September 30, 2017		Nine Months Ended September 30, 2017
Total revenue (net interest income plus other income)	$	96,178	$	281,392
Net income	$	19,603	$	70,651
Net income available to common shareholders
Earnings per share:
Basic	$	0.40	$	1.44
Diluted	$	0.39	$	1.43

	2016
Total revenue (net interest income plus other income)	$	353,732
Net income	$	95,288
Earnings per share:
Basic	$	1.95
Diluted	$	1.94

The pro forma information includes adjustments for interest income on loans, interest expense on deposits and borrowings, premises expense for the banking centers acquired and amortization of intangibles arising from the transaction and the related income tax effects. The pro forma information for the three months ended September 30, 2017 includes operating revenue of $3.7 million and $9.4 million from Arlington Bank and IAB acquisitions since the date of acquisition, respectively. Additionally, $10.9 million, net of tax, of non-recurring expenses directly attributable to the Arlington Bank and IAB acquisitions were included in the three months ended September 30, 2017 pro forma information. For the nine months end September 30, 2017, the pro forma information includes operating revenue of $5.2 million and $9.4 million from Arlington Bank and IAB acquisitions since the date of acquisition, respectively. The pro forma information for the nine months ended September 30, 2017 also includes $14.5 million, net of tax, of non-recurring expenses directly attributable to the Arlington Bank and IAB acquisitions. The pro forma information for the year ended December 31, 2016 includes operating results from Arlington Bank and IAB as if the acquisitions occurred at the beginning of the year. The pro forma information is presented for information purposes only and is not indicative of the results of operations that actually would have been achieved had the acquisitions been consummated as of that time, nor is it intended to be a projection of future results.

11

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

NOTE 3

INVESTMENT SECURITIES

The amortized cost, gross unrealized gains, gross unrealized losses and approximate market value of the Corporation's investment securities at the dates indicated were:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available for sale at September 30, 2017
U.S. Treasury	$	250					$	250
State and municipal	452,666		$	13,748	$	2,006	464,408
U.S. Government-sponsored mortgage-backed securities	423,390		2,242		1,957		423,675
Corporate obligations	31						31
Equity securities	2,357						2,357
Total available for sale	878,694		15,990		3,963		890,721
Held to maturity at September 30, 2017
U.S. Government-sponsored agency securities	22,618				311		22,307
State and municipal	237,257		5,935		575		242,617
U.S. Government-sponsored mortgage-backed securities	317,291		4,867		812		321,346
Foreign Investments	1,000						1,000
Total held to maturity	578,166		10,802		1,698		587,270
Total Investment Securities	$	1,456,860	$	26,792	$	5,661	$	1,477,991

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available for sale at December 31, 2016
U.S. Government-sponsored agency securities	$	100					$	100
State and municipal	360,779		$	8,443	$	5,564	363,658
U.S. Government-sponsored mortgage-backed securities	313,459		1,904		3,071		312,292
Corporate obligations	31						31
Equity securities	21,820				1,039		20,781
Total available for sale	696,189		10,347		9,674		696,862
Held to maturity at December 31, 2016
U.S. Government-sponsored agency securities	22,619				479		22,140
State and municipal	224,811		3,136		1,796		226,151
U.S. Government-sponsored mortgage-backed securities	360,213		4,956		1,527		363,642
Total held to maturity	607,643		8,092		3,802		611,933
Total Investment Securities	$	1,303,832	$	18,439	$	13,476	$	1,308,795

The amortized cost and fair value of available for sale and held to maturity securities at September 30, 2017 and December 31, 2016, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Available for Sale				Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Maturity Distribution at September 30, 2017:
Due in one year or less	$	674	$	675	$	7,329	$	7,417
Due after one through five years	8,970		9,398		79,466		80,423
Due after five through ten years	84,977		88,832		53,423		54,573
Due after ten years	358,326		365,784		120,657		123,511
	$	452,947	$	464,689	$	260,875	$	265,924
U.S. Government-sponsored mortgage-backed securities	423,390		423,675		317,291		321,346
Equity securities	2,357		2,357
Total Investment Securities	$	878,694	$	890,721	$	578,166	$	587,270

12

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

	Available for Sale				Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Maturity Distribution at December 31, 2016
Due in one year or less	$	2,703	$	2,717	$	2,046	$	2,047
Due after one through five years	16,359		17,068		61,921		63,193
Due after five through ten years	60,614		62,241		61,606		61,145
Due after ten years	281,234		281,763		121,857		121,906
	$	360,910	$	363,789	$	247,430	$	248,291
U.S. Government-sponsored mortgage-backed securities	313,459		312,292		360,213		363,642
Equity securities	21,820		20,781
Total Investment Securities	$	696,189	$	696,862	$	607,643	$	611,933

The carrying value of securities pledged as collateral, to secure borrowings and for other purposes, was $511,192,000 at September 30, 2017, and $572,896,000 at December 31, 2016.

The book value of securities sold under agreements to repurchase amounted to $141,329,000 at September 30, 2017, and $145,936,000 at December 31, 2016.

Gross gains on the sales and redemptions of available for sale securities for the three and nine months ended September 30, 2017 and 2016 are shown below.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Sales and Redemptions of Available for Sale Securities:
Gross gains	$	382	$	839	$	1,547	$	2,542
Gross losses	50				50

The following tables show the Corporation’s gross unrealized losses and fair value, aggregated by investment category and length of time the individual securities have been in a continuous unrealized loss position at September 30, 2017, and December 31, 2016:

	Less than 12 Months				12 Months or Longer				Total
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Temporarily Impaired Available for Sale Securities at September 30, 2017
State and municipal	$	76,469	$	959	$	21,693	$	1,047	$	98,162	$	2,006
U.S. Government-sponsored mortgage-backed securities	153,833		1,794		8,149		163		161,982		1,957
Total Temporarily Impaired Available for Sale Securities	230,302		2,753		29,842		1,210		260,144		3,963
Temporarily Impaired Held to Maturity Securities at September 30, 2017
U.S. Government-sponsored agency securities	9,941		78		12,267		233		22,208		311
State and municipal	18,754		402		6,216		173		24,970		575
U.S. Government-sponsored mortgage-backed securities	74,950		812						74,950		812
Total Temporarily Impaired Held to Maturity Securities	103,645		1,292		18,483		406		122,128		1,698
Total Temporarily Impaired Investment Securities	$	333,947	$	4,045	$	48,325	$	1,616	$	382,272	$	5,661

	Less than 12 Months				12 Months or Longer		Total
	Fair Value		Gross Unrealized Losses		Fair Value	Gross Unrealized Losses	Fair Value		Gross Unrealized Losses
Temporarily Impaired Available for Sale Securities at December 31, 2016
State and municipal	$	126,593	$	5,564			$	126,593	$	5,564
U.S. Government-sponsored mortgage-backed securities	185,544		3,071				185,544		3,071
Equity Securities	18,765		1,039				18,765		1,039
Total Temporarily Impaired Available for Sale Securities	330,902		9,674				330,902		9,674
Temporarily Impaired Held to Maturity Securities at December 31, 2016
U.S. Government-sponsored agency securities	19,121		479				19,121		479
State and municipal	50,897		1,796				50,897		1,796
U.S. Government-sponsored mortgage-backed securities	109,377		1,527				109,377		1,527
Total Temporarily Impaired Held to Maturity Securities	179,395		3,802				179,395		3,802
Total Temporarily Impaired Investment Securities	$	510,297	$	13,476			$	510,297	$	13,476

13

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

Certain investments in debt and equity securities are reported in the financial statements at an amount less than their historical cost as indicated in the table below.

	September 30, 2017			December 31, 2016
Investments reported at less than historical cost:
Historical cost	$	388,181		$	523,773
Fair value	$	382,272		$	510,297
Percent of the Corporation's investment portfolio	26.0		%	39.1		%

Except as discussed below, management believes the decline in fair value for these securities was temporary. Should the impairment of any of these securities become other-than-temporary, the cost basis of the investment will be reduced and the resulting loss recognized in net income during the period the other-than-temporary-impairment is identified.

The Corporation’s management has evaluated all securities with unrealized losses for other-than temporary impairment as of September 30, 2017. The evaluations are based on the nature of the securities, the extent and duration of the loss and the intent and ability of the Corporation to hold these securities either to maturity or through the expected recovery period.

In determining the fair value of the investment securities portfolio, the Corporation utilizes a third party for portfolio accounting services, including market value input, for those securities classified as Level 1 and Level 2 in the fair value hierarchy. The Corporation has obtained an understanding of what inputs are being used by the vendor in pricing the portfolio and how the vendor was classifying these securities based upon these inputs.  From these discussions, the Corporation’s management is comfortable that the classifications are proper. The Corporation has gained trust in the data for two reasons:  (a) independent spot testing of the data is conducted by the Corporation through obtaining market quotes from various brokers on a periodic basis and (b) actual gains or losses resulting from the sale of certain securities has proven the data to be accurate over time.  The fair value of securities classified as Level 3 in the valuation hierarchy was determined using a discounted cash flow model that incorporated market estimates of interest rates and volatility in markets that have not been active.

State and Municipal and U.S. Government-Sponsored Agency Securities

The unrealized losses on the Corporation's investments in state and municipal securities and U.S. Government-Sponsored Agency securities were caused by interest rate increases. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Corporation does not intend to sell the investments and it is not more likely than not that the Corporation will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Corporation does not consider those investments to be other-than-temporarily impaired at September 30, 2017. The state and municipal securities portfolio contains unrealized losses of $2,006,000 on eighty-three securities and $575,000 on thirty-one securities in the available for sale and held to maturity portfolios, respectively. The U.S. Government-Sponsored Agency securities portfolio contains no unrealized losses in the available for sale portfolio, and $311,000 on four securities in the held to maturity portfolio.

U.S. Government-Sponsored Mortgage-Backed Securities

The unrealized losses on the Corporation's investment in mortgage-backed securities were a result of interest rate changes. The Corporation expects to recover the amortized cost basis over the term of the securities. Because the decline in market value is attributable to changes in interest rates and not credit quality, and because the Corporation does not intend to sell the investments and it is not more likely than not that the Corporation will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Corporation does not consider those investments to be other-than-temporarily impaired at September 30, 2017. The mortgage-backed securities portfolio contains unrealized losses of $1,957,000 on thirty-nine securities and $812,000 on twenty-three securities in the available for sale and held to maturity portfolios, respectively. All these securities are issued by a U.S. government-sponsored entity.

NOTE 4  

LOANS AND ALLOWANCE

The Corporation’s primary lending focus is small business and middle market commercial, commercial real estate and residential real estate. The following tables show the composition of the loan portfolio, the allowance for loan losses and certain credit quality aspects, all excluding loans held for sale.  Loans held for sale as of September 30, 2017, and December 31, 2016, were $4,514,000 and $2,929,000, respectively.

14

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The following table shows the composition of the Corporation’s loan portfolio by loan class for the periods indicated:

	September 30, 2017			December 31, 2016
Commercial and industrial loans	$	1,436,092		$	1,194,646
Agricultural production financing and other loans to farmers	117,751			79,689
Real estate loans:
Construction	498,862			418,703
Commercial and farmland	2,571,253			1,953,062
Residential	938,437			739,169
Home equity	502,240			418,525
Individuals' loans for household and other personal expenditures	86,406			77,479
Lease financing receivables, net of unearned income	3,877			311
Other commercial loans	328,530			258,061
Loans	$	6,483,448		$	5,139,645
Allowance for loan losses	(73,354		)	(66,037		)
Net Loans	$	6,410,094		$	5,073,608

Allowance, Credit Quality and Loan Portfolio

The Corporation maintains an allowance for loan losses to cover probable credit losses identified during its loan review process. Management believes the allowance for loan losses is adequate to cover probable losses inherent in the loan portfolio at September 30, 2017.  The process for determining the adequacy of the allowance for loan losses is critical to the Corporation’s financial results.  It requires management to make difficult, subjective and complex judgments, to estimate the effect of uncertain matters.  The allowance for loan losses considers current factors, including economic conditions and ongoing internal and external examinations, and will increase or decrease as deemed necessary to ensure it remains adequate.  In addition, the allowance as a percentage of charge-offs and nonperforming loans will change at different points in time based on credit performance, portfolio mix and collateral values.

The allowance for loan losses is maintained through the provision for loan losses, which is a charge against earnings. The allowance is increased by provision expense and decreased by charge-offs less recoveries. All charge-offs are approved by the Bank's senior credit officers and in accordance with established policies. The Bank charges off a loan when a determination is made that all or a portion of the loan is uncollectible. The amount provided for loan losses in a given period may be greater than or less than net loan losses experienced during the period, and is based on management’s judgment as to the appropriate level of the allowance for loan losses. The determination of the provision amount is based on management’s ongoing review and evaluation of the loan portfolio, including an internally administered loan "watch" list and independent loan reviews.  The evaluation takes into consideration identified credit problems, the possibility of losses inherent in the loan portfolio that are not specifically identified and management’s judgment as to the impact of the current environment and economic conditions on the portfolio.

The allowance consists of specific impairment reserves as required by ASC 310-10-35, a component for historical losses in accordance with ASC 450 and the consideration of current environmental factors in accordance with ASC 450. A loan is deemed impaired when, based on current information or events, it is probable that all amounts due of principal and interest according to the contractual terms of the loan agreement will not be collected.

The historical loss allocation for loans not deemed impaired according to ASC 450 is the product of the volume of loans within the non-impaired criticized and non-criticized risk grade classifications, each segmented by call code, and the historical loss factor for each respective classification and call code segment. The historical loss factors are based upon actual loss experience within each risk and call code classification. The historical look back period for non-criticized loans looks to the most recent rolling-four-quarter average and aligns with the look back period for non-impaired criticized loans. Each of the rolling four quarter periods used to obtain the average, include all charge-offs for the previous twelve-month period, therefore the historical look back period includes seven quarters. The resulting allocation is reflective of current conditions. Criticized loans are grouped based on the risk grade assigned to the loan. Loans with a special mention grade are assigned a loss factor, and loans with a classified grade but not impaired are assigned a separate loss factor. The loss factor computation for this allocation includes a segmented historical loss migration analysis of risk grades to charge-off.

In addition to the specific reserves and historical loss components of the allowance, consideration is given to asset quality metrics and various environmental factors to ensure that losses inherent in the portfolio are reflected in the allowance for loan losses. The environmental component adjusts the historical loss allocations for non-impaired loans to reflect relevant current conditions that, in management's opinion, have an impact on loss recognition. Environmental factors that management reviews in the analysis include: national and local economic trends and conditions; trends in growth in the loan portfolio and growth in higher risk areas; levels of, and trends in, delinquencies and non-accruals; experience and depth of lending management and staff; adequacy of, and adherence to, lending policies and procedures including those for underwriting; industry concentrations of credit; and adequacy of risk identification systems and controls through the internal loan review and internal audit processes.

15

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

In conformance with ASC 805 and ASC 820, loans purchased after December 31, 2008 are recorded at the acquisition date fair value. Such loans are included in the allowance to the extent a specific impairment is identified that exceeds the fair value adjustment on an impaired loan or the historical loss and environmental factor analysis indicates losses inherent in a purchased portfolio exceeds the fair value adjustment on the portion of the purchased portfolio not deemed impaired.

The following tables summarize changes in the allowance for loan losses by loan segment for the three and nine months ended September 30, 2017, and September 30, 2016:

	Three Months Ended September 30, 2017
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, June 30, 2017	$	28,906		$	25,236		$	3,372		$	12,955		$	2	$	70,471
Provision for losses	921			374			342			446					2,083
Recoveries on loans	324			1,327			51			157					1,859
Loans charged-off	(468		)	(190		)	(174		)	(227		)			(1,059		)
Balances, September 30, 2017	$	29,683		$	26,747		$	3,591		$	13,331		$	2	$	73,354

	Nine Months Ended September 30, 2017
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, December 31, 2016	$	27,696		$	23,661		$	2,923		$	11,755		$	2	$	66,037
Provision for losses	2,279			2,023			877			2,164					7,343
Recoveries on loans	987			2,066			253			547					3,853
Loans charged-off	(1,279		)	(1,003		)	(462		)	(1,135		)			(3,879		)
Balances, September 30, 2017	$	29,683		$	26,747		$	3,591		$	13,331		$	2	$	73,354

	Three Months Ended September 30, 2016
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, June 30, 2016	$	26,321		$	22,280		$	2,684		$	10,899		$	2	$	62,186
Provision for losses	727			578			115			480					1,900
Recoveries on loans	175			651			101			324					1,251
Loans charged-off	(720		)	(572		)	(114		)	(475		)			(1,881		)
Balances, September 30, 2016	$	26,503		$	22,937		$	2,786		$	11,228		$	2	$	63,456

	Nine Months Ended September 30, 2016
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, December 31, 2015	$	26,478		$	22,145		$	2,689		$	11,139		$	2	$	62,453
Provision for losses	1,266			992			192			790					3,240
Recoveries on loans	1,150			1,879			286			909					4,224
Loans charged-off	(2,391		)	(2,079		)	(381		)	(1,610		)			(6,461		)
Balances, September 30, 2016	$	26,503		$	22,937		$	2,786		$	11,228		$	2	$	63,456

16

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The following tables show the Corporation’s allowance for loan losses and loan portfolio by segment as of the periods indicated:

	September 30, 2017
	Commercial		Commercial Real Estate		Consumer		Residential		Finance Leases		Total
Allowance Balances:
Individually evaluated for impairment	$	476	$	923			$	389			$	1,788
Collectively evaluated for impairment	29,207		25,824		$	3,591	12,942		$	2	71,566
Loans Acquired with Deteriorated Credit Quality
Total Allowance for Loan Losses	$	29,683	$	26,747	$	3,591	$	13,331	$	2	$	73,354
Loan Balances:
Individually evaluated for impairment	$	6,781	$	18,911	$	6	$	4,073			$	29,771
Collectively evaluated for impairment	1,874,225		3,027,247		86,400		1,435,089		$	3,877	6,426,838
Loans Acquired with Deteriorated Credit Quality	1,367		23,957				1,515				26,839
Loans	$	1,882,373	$	3,070,115	$	86,406	$	1,440,677	$	3,877	$	6,483,448

	December 31, 2016
	Commercial		Commercial Real Estate		Consumer		Residential		Finance Leases		Total
Allowance Balances:
Individually evaluated for impairment	$	37	$	553			$	298			$	888
Collectively evaluated for impairment	27,659		23,108		$	2,923	11,457		$	2	65,149
Loans Acquired with Deteriorated Credit Quality
Total Allowance for Loan Losses	$	27,696	$	23,661	$	2,923	$	11,755	$	2	$	66,037
Loan Balances:
Individually evaluated for impairment	$	4,762	$	21,358	$	9	$	4,450			$	30,579
Collectively evaluated for impairment	1,520,981		2,315,686		77,470		1,151,396		$	311	5,065,844
Loans Acquired with Deteriorated Credit Quality	6,653		34,721				1,848				43,222
Loans	$	1,532,396	$	2,371,765	$	77,479	$	1,157,694	$	311	$	5,139,645

The risk characteristics of the Corporation’s material portfolio segments are as follows:

Commercial

Commercial lending is primarily based on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower. The cash flows of borrowers, however, may not be as expected and the collateral securing these loans may fluctuate in value. Most commercial loans are secured by the tangible assets being financed such as equipment or real estate or other business assets such as accounts receivable or inventory and may incorporate a personal guarantee. Other loans may be unsecured, secured but under-collateralized or otherwise made on the basis of the enterprise value of an organization. In the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers.

Commercial real estate

These loans are viewed primarily as cash flow loans and secondarily as loans secured by real estate. Commercial real estate lending typically involves higher loan principal amounts and the repayment of these loans is generally dependent on the successful operation of the property securing the loan or the business conducted on the property securing the loan. Commercial real estate loans may be more adversely affected by conditions in the real estate markets or in the general economy. Management monitors and evaluates commercial real estate loans based on collateral and risk grade criteria. In addition, management tracks the level of owner-occupied commercial real estate loans versus non-owner occupied loans.

Consumer and Residential

With respect to residential loans that are secured by 1-4 family residences and are typically owner occupied, the Corporation generally establishes a maximum loan-to-value ratio and requires private mortgage insurance if that ratio is exceeded. Home equity loans are secured by a subordinate interest in 1-4 family residences, and consumer loans are secured by consumer assets such as automobiles or recreational vehicles. Some consumer loans are unsecured such as small installment loans and certain lines of credit. Repayment of these loans is primarily dependent on the personal income and credit rating of the borrowers, which can be impacted by economic conditions in their market areas such as unemployment levels. Repayment on loans secured by 1-4 family residences can be impacted by changes in property values. Risk is mitigated by the fact that the loans are of smaller individual amounts and spread over a large number of borrowers.

17

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

Loans are reclassified to a non-accruing status when, in management’s judgment, the collateral value and financial condition of the borrower do not justify accruing interest. When the interest accrual is discontinued, all unpaid accrued interest is reversed against earnings when considered uncollectable. Payments subsequently received on non-accrual loans are applied to principal. A loan is returned to accrual status when principal and interest are no longer past due and collectability is probable, typically after a minimum of six consecutive months of performance.  Payments received on impaired accruing or delinquent loans are applied to interest income as accrued.

The following table summarizes the Corporation’s non-accrual loans by loan class as of the periods indicated:

	September 30, 2017		December 31, 2016
Commercial and industrial loans	$	4,910	$	1,839
Agriculture production financing and other loans to farmers	1,282		1,329
Real estate loans:
Construction	67		73
Commercial and farmland	12,152		15,754
Residential	11,973		9,523
Home equity	1,818		1,457
Individuals' loans for household and other personal expenditures	51		23
Total	$	32,253	$	29,998

Commercial impaired loans include non-accrual loans, loans accounted for under ASC 310-30, and loans risk graded as substandard, doubtful and loss that were still accruing but deemed impaired according to the guidance set forth in ASC 310. Also included in impaired loans are accruing loans that are contractually past due 90 days or more and troubled debt loan restructures.

Allowable methods for determining the amount of impairment include estimating fair value using the fair value of the collateral for collateral dependent loans. If the impaired loan is identified as collateral dependent, then the fair value method for measuring the amount of impairment is utilized.  This method requires obtaining a current independent appraisal of the collateral and applying a discount factor, which includes selling costs if applicalble, to the value. The fair value of real estate is generally based on appraisals by qualified licensed appraisers. The appraisers typically determine the value of the real estate by utilizing an income or market valuation approach. If an appraisal is not available, the fair value may be determined by using a cash flow analysis. Fair value on other collateral such as business assets is typically ascertained by assessing, either singularly or some combination of, asset appraisals, accounts receivable aging reports, inventory listings andor customer financial statements. Both appraised values and values based on borrower’s financial information are discounted as considered appropriate based on age and quality of the information and current market conditions.

The following tables show the composition of the Corporation’s commercial impaired loans, related allowance and interest income recognized while impaired by loan class as of the periods indicated:

	September 30, 2017
	Unpaid Principal Balance		Recorded Investment		Related Allowance
Impaired loans with no related allowance:
Commercial and industrial loans	$	15,443	$	4,526
Agriculture production financing and other loans to farmers	1,818		1,489
Real estate Loans:
Construction	2,583		1,422
Commercial and farmland	51,302		38,098
Residential	5,611		3,310
Home equity	195		154
Total	76,952		48,999
Impaired loans with related allowance:
Commercial and industrial loans	1,824		1,796		$	206
Agriculture production financing and other loans to farmers	357		337		270
Real estate Loans:
Commercial and farmland	4,077		3,347		923
Total	6,258		5,480		1,399
Total Impaired Loans	$	83,210	$	54,479	$	1,399

18

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

	December 31, 2016
	Unpaid Principal Balance		Recorded Investment		Related Allowance
Impaired loans with no related allowance:
Commercial and industrial loans	$	17,645	$	10,074
Agriculture production financing and other loans to farmers	757		680
Real estate Loans:
Construction	5,946		3,178
Commercial and farmland	67,936		49,731
Residential	8,039		4,664
Home equity	82		44
Other commercial loans	11
Total	100,416		68,371
Impaired loans with related allowance:
Agriculture production financing and other loans to farmers	660		660		$	36
Real estate Loans:
Commercial and farmland	4,238		2,985		553
Residential	65		34		23
Total	4,963		3,679		612
Total Impaired Loans	$	105,379	$	72,050	$	612

	Three Months Ended September 30, 2017				Nine Months Ended September 30, 2017
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Impaired loans with no related allowance:
Commercial and industrial loans	$	4,668	$	56	$	8,821	$	149
Agriculture production financing and other loans to farmers	1,489		9		1,491		9
Real estate Loans:
Construction	1,427		26		1,438		36
Commercial and farmland	40,668		475		42,459		1,266
Residential	3,410		31		3,637		92
Home equity	158		1		163		1
Total	51,820		598		58,009		1,553
Impaired loans with related allowance:
Commercial and industrial loans	1,796				1,796
Agriculture production financing and other loans to farmers	337				337
Real estate Loans:
Commercial and farmland	3,359				3,377		4
Total	5,492				5,510		4
Total Impaired Loans	$	57,312	$	598	$	63,519	$	1,557

	Three Months Ended September 30, 2016				Nine Months Ended September 30, 2016
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Impaired loans with no related allowance:
Commercial and industrial loans	$	10,025	$	89	$	10,436	$	261
Agriculture production financing and other loans to farmers	636		3		644		3
Real estate Loans:
Construction	3,526		72		3,572		215
Commercial and farmland	61,903		854		63,722		2,576
Residential	5,081		40		5,453		118
Home equity	44				57
Total	81,215		1,058		83,884		3,173
Impaired loans with related allowance:
Commercial and industrial loans	469				471
Agriculture production financing and other loans to farmers	1,164		6		1,236		6
Real estate Loans:
Commercial and farmland	1,850				1,894
Residential	34				39
Total	3,517		6		3,640		6
Total Impaired Loans	$	84,732	$	1,064	$	87,524	$	3,179

19

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

As part of the ongoing monitoring of the credit quality of the Corporation's loan portfolio, management tracks certain credit quality indicators including trends related to: (i) the level of criticized commercial loans, (ii) net charge-offs, (iii) non-performing loans, (iv) covenant failures and (v) the general national and local economic conditions.

The Corporation utilizes a risk grading of pass, special mention, substandard, doubtful and loss to assess the overall credit quality of large commercial loans. All large commercial credit grades are reviewed at a minimum of once a year for pass grade loans. Loans with grades below pass are reviewed more frequently depending on the grade. A description of the general characteristics of these grades is as follows:

• Pass - Loans that are considered to be of acceptable credit quality.

• Special Mention - Loans which possess some credit deficiency or potential weakness, which deserves close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the Corporation's credit position at some future date. Special mention assets are not adversely classified and do not expose the Corporation to sufficient risk to warrant adverse classification. The key distinctions of this category's classification are that it is indicative of an unwarranted level of risk; and weaknesses are considered “potential”, not “defined”, impairments to the primary source of repayment. Examples include businesses that may be suffering from inadequate management, loss of key personnel or significant customer or litigation.

• Substandard - A substandard loan is inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified have a well-defined weakness that jeopardizes the liquidation of the debt. They are characterized by the distinct possibility that the Corporation will sustain some loss if the deficiencies are not corrected. Other characteristics may include:

o the likelihood that a loan will be paid from the primary source of repayment is uncertain or financial deterioration is underway and very close attention is warranted to ensure that the loan is collected without loss,

o the primary source of repayment is gone, and the Corporation is forced to rely on a secondary source of repayment, such as collateral liquidation or guarantees,

o loans have a distinct possibility that the Corporation will sustain some loss if deficiencies are not corrected,

o unusual courses of action are needed to maintain a high probability of repayment,

o the borrower is not generating enough cash flow to repay loan principal; however, it continues to make interest payments,

o the Corporation is forced into a subordinated or unsecured position due to flaws in documentation,

o loans have been restructured so that payment schedules, terms and collateral represent concessions to the borrower when compared to the normal loan terms,

o the Corporation is seriously contemplating foreclosure or legal action due to the apparent deterioration of the loan, and

o there is significant deterioration in market conditions to which the borrower is highly vulnerable.

• Doubtful - Loans that have all of the weaknesses of those classified as Substandard. However, based on currently existing facts, conditions and values, these weaknesses make full collection of principal highly questionable and improbable. Other credit characteristics may include the primary source of repayment is gone or there is considerable doubt as to the quality of the secondary sources of repayment. The possibility of loss is high, but because of certain important pending factors that may strengthen the loan, loss classification is deferred until the exact status of repayment is known.

• Loss – Loans that are considered uncollectible and of such little value that continuing to carry them as an asset is not warranted. Loans will be classified as Loss when it is neither practical not desirable to defer writing off or reserving all or a portion of a basically worthless asset, even though partial recovery may be possible at some time in the future.

20

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The following tables summarize the credit quality of the Corporation’s loan portfolio, by loan class for the periods indicated.  Consumer non-performing loans include accruing consumer loans 90 plus days delinquent and consumer non-accrual loans.  The entire balance of a loan is considered delinquent if the minimum payment contractually required to be made is not received by the specified date. Loans that evidenced deterioration of credit quality since origination and it was probable, at acquisition, that all contractually required payments would not be collected are included in the applicable categories below.

	September 30, 2017
	Commercial Pass		Commercial Special Mention		Commercial Substandard		Commercial Doubtful		Commercial Loss	Consumer Performing		Consumer Non-Performing		Total
Commercial and industrial loans	$	1,366,945	$	43,245	$	25,234	$	668						$	1,436,092
Agriculture production financing and other loans to farmers	64,699		29,765		22,516		622			$	149			117,751
Real estate Loans:
Construction	469,967		1,619		986					26,155		$	135	498,862
Commercial and farmland	2,409,972		70,397		85,732		1,976			3,173		3		2,571,253
Residential	175,260		4,161		4,259		149			743,713		10,895		938,437
Home equity	25,610				124		112			474,465		1,929		502,240
Individuals' loans for household and other personal expenditures										86,340		66		86,406
Lease financing receivables, net of unearned income	3,497		380											3,877
Other commercial loans	327,483				1,047									328,530
Loans	$	4,843,433	$	149,567	$	139,898	$	3,527		$	1,333,995	$	13,028	$	6,483,448

	December 31, 2016
	Commercial Pass		Commercial Special Mention		Commercial Substandard		Commercial Doubtful	Commercial Loss	Consumer Performing		Consumer Non-Performing		Total
Commercial and industrial loans	$	1,117,545	$	30,919	$	46,182							$	1,194,646
Agriculture production financing and other loans to farmers	30,712		25,273		23,704								79,689
Real estate Loans:
Construction	398,646		3,490		1,858				$	14,636	$	73	418,703
Commercial and farmland	1,811,367		60,028		80,626				1,034		7		1,953,062
Residential	146,251		5,106		6,046				574,054		7,712		739,169
Home equity	7,310		47		516				409,237		1,415		418,525
Individuals' loans for household and other personal expenditures									77,456		23		77,479
Lease financing receivables, net of unearned income	228				83								311
Other commercial loans	257,861				200								258,061
Loans	$	3,769,920	$	124,863	$	159,215			$	1,076,417	$	9,230	$	5,139,645

The tables below show a past due aging of the Corporation’s loan portfolio, by loan class, as of September 30, 2017, and December 31, 2016.

	September 30, 2017
	Current		30-59 Days Past Due		60-89 Days Past Due		Loans > 90 Days And Accruing		Non-Accrual		Total Past Due & Non-Accrual		Total
Commercial and industrial loans	$	1,430,469	$	196	$	492	$	25	$	4,910	$	5,623	$	1,436,092
Agriculture production financing and other loans to farmers	116,410		59						1,282		1,341		117,751
Real estate loans:
Construction	498,233		432		62		68		67		629		498,862
Commercial and farmland	2,555,261		2,952		879		9		12,152		15,992		2,571,253
Residential	922,848		2,960		613		43		11,973		15,589		938,437
Home equity	497,692		1,880		585		265		1,818		4,548		502,240
Individuals' loans for household and other personal expenditures	85,877		300		163		15		51		529		86,406
Lease financing receivables, net of unearned income	3,877												3,877
Other commercial loans	328,390				140						140		328,530
Loans	$	6,439,057	$	8,779	$	2,934	$	425	$	32,253	$	44,391	$	6,483,448

21

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

	December 31, 2016
	Current		30-59 Days Past Due		60-89 Days Past Due		Loans > 90 Days And Accruing		Non-Accrual		Total Past Due & Non-Accrual		Total
Commercial and industrial loans	$	1,192,079	$	466	$	162	$	100	$	1,839	$	2,567	$	1,194,646
Agriculture production financing and other loans to farmers	78,360								1,329		1,329		79,689
Real estate loans:
Construction	415,975		2,655						73		2,728		418,703
Commercial and farmland	1,932,896		1,385		3,027				15,754		20,166		1,953,062
Residential	725,338		3,664		635		9		9,523		13,831		739,169
Home equity	415,969		850		246		3		1,457		2,556		418,525
Individuals' loans for household and other personal expenditures	76,929		470		57				23		550		77,479
Lease financing receivables, net of unearned income	311												311
Other commercial loans	258,061												258,061
Loans	$	5,095,918	$	9,490	$	4,127	$	112	$	29,998	$	43,727	$	5,139,645

See the information regarding the analysis of loan loss experience in the "LOAN QUALITY/PROVISION FOR LOAN LOSSES" section of Management’s Discussion and Analysis of Financial Condition and Results of Operations included as ITEM 2 of this Quarterly Report on Form 10-Q.

On occasion, borrowers experience declines in income and cash flow. As a result, these borrowers seek to reduce contractual cash outlays including debt payments. Concurrently, in an effort to preserve and protect its earning assets, specifically troubled loans, the Corporation works to maintain its relationship with certain customers who are experiencing financial difficulty by contractually modifying the borrower's debt agreement with the Corporation. In certain loan restructuring situations, the Corporation may grant a concession to a debtor experiencing financial difficulty, resulting in a trouble debt restructuring. A concession is deemed to be granted when, as a result of the restructuring, the Corporation does not expect to collect all original amounts due, including interest accrued at the original contract rate. If the payment of principal at original maturity is primarily dependent on the value of collateral, the current value of the collateral is considered in determining whether the principal will be paid.

The following tables summarize troubled debt restructurings in the Corporation's loan portfolio that occurred during the periods indicated:

	Three Months Ended September 30, 2017					Nine Months Ended September 30, 2017
	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans
Commercial and industrial loans	$	6	$	6	1	$	400	$	176	2
Real estate loans:
Commercial and farmland						357		492		6
Residential	120		122		1	570		520		8
Home equity	68		73		2	190		73		2
Total	$	194	$	201	4	$	1,517	$	1,261	18

	Three Months Ended September 30, 2016					Nine Months Ended September 30, 2016
	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans
Commercial and industrial loans						$	260	$	260	3
Agriculture production financing and other loans to farmers						1,606		1,472		5
Real estate loans:
Commercial and farmland	$	87	$	95	1	3,978		3,955		7
Residential	611		678		11	724		811		14
Home equity	55		58		2	229		204		3
Total	$	753	$	831	14	$	6,797	$	6,702	32

22

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The following tables summarize the recorded investment of troubled debt restructurings as of September 30, 2017 and 2016, by modification type, that occurred during the periods indicated:

	Three Months Ended September 30, 2017
	Term Modification		Rate Modification		Combination	Total Modification
Commercial and industrial loans	$	5				$	5
Real estate loans:
Residential			$	122		122
Home equity			73			73
Total	$	5	$	195		$	200

	Nine Months Ended September 30, 2017
	Term Modification		Rate Modification		Combination		Total Modification
Commercial and industrial loans	$	5			$	168	$	173
Real estate loans:
Commercial and farmland	41		$	61	232		334
Residential			466		42		508
Home Equity			73				73
Total	$	46	$	600	$	442	$	1,088

	Three Months Ended September 30, 2016
	Term Modification	Rate Modification		Combination		Total Modification
Real estate loans:
Commercial and farmland				$	95	$	95
Residential		$	663			663
Home equity		56				56
Total		$	719	$	95	$	814

	Nine Months Ended September 30, 2016
	Term Modification		Rate Modification		Combination		Total Modification
Commercial and industrial loans					$	197	$	197
Agriculture production financing and other loans to farmers	$	898					898
Real estate loans:
Commercial and farmland	416				3,487		3,903
Residential			$	773			773
Home equity			197				197
Total	$	1,314	$	970	$	3,684	$	5,968

Loans secured by residential real estate made up 97 percent of the post-modification balance of troubled debt restructured loans made in the three months ended September 30, 2017. The same loan classification made up 47 percent of the post-modification balance of troubled debt restructured loans made in the nine months ended September 30, 2017.

There were no troubled debt restructures that occurred during the twelve months ended September 30, 2017, that subsequently defaulted during the three and nine month periods ended September 30, 2017 and remained in default at period end. The following table summarizes troubled debt restructures that occurred during the twelve months ended September 30, 2016, that subsequently defaulted during the period indicated and remained in default at period end. For purposes of this discussion, a loan is considered in default if it is 30 or more days past due.

	Three Months Ended September 30, 2016			Nine Months Ended September 30, 2016
	Number of Loans	Recorded Balance		Number of Loans	Recorded Balance
Commercial and industrial loans				3	$	197
Real estate loans:
Residential	1	$	54	1	54
Total	1	$	54	4	$	251

23

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

For potential consumer loan restructures, impairment evaluation occurs prior to modification. Any subsequent impairment is typically addressed through the charge-off process, or may be addressed through a specific reserve. Consumer troubled debt loan restructures are generally included in the general historical allowance for loan loss at the post modification balance. Consumer non-accrual and delinquent troubled debt loan restructures are also considered in the calculation of the non-accrual and delinquency trend environmental allowance allocation. Consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process totaled $1,847,000 and$1,530,000 at September 30, 2017 and December 31, 2016, respectively.

Commercial troubled debt restructured loans risk graded special mention, substandard, doubtful and loss are individually evaluated for impairment under ASC 310. Any resulting specific reserves are included in the allowance for loan losses. Commercial 30 - 89 day delinquent troubled debt loan restructures are included in the calculation of the delinquency trend environmental allowance allocation. All commercial non-impaired loans, including non-accrual and 90+ day delinquents, are included in the ASC 450 loss migration analysis.

NOTE 5

ACCOUNTING FOR CERTAIN LOANS ACQUIRED IN A PURCHASE

The acquired loans detailed in the tables below are included in NOTE 4. LOANS AND ALLOWANCE, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q. As described in NOTE 4, loans purchased after December 31, 2008 are recorded at the acquisition date fair value, which could result in a fair value discount or premium. Purchased loans with evidence of credit deterioration since origination and for which it is probable at the date of acquisition that the acquirer will not collect all contractually required principal and interest payments are accounted for under ASC 310-30, Loans Acquired with Deteriorated Credit Quality. The difference between contractually required payments and the cash flows expected to be collected at acquisition is referred to as the nonaccretable difference. The accretable portion of the fair value discount or premium is the difference between the expected cash flows and the net present value of expected cash flows, with such difference accreted into earnings over the term of the loans. All other loans not accounted for under ASC 310-30 are accounted for under ASC 310-20, which allows the fair value adjustment to be accreted into income over the remaining life of the loans.

The Corporation's most recent acquisitions, Arlington Bank and IAB, are detailed in NOTE 2. ACQUISITIONS, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q. All of the Corporation's acquisitions since December 31, 2008 are as indicated below. The following tables include the outstanding balance and carrying amount of all acquired loans which were included in the Corporation's balance sheet at September 30, 2017, and December 31, 2016.

	September 30, 2017
	IAB			Arlington Bank			Ameriana			C Financial			Community			CFS			SCB			Total
Outstanding Balance:
Commercial and industrial loans	$	107,827		$	4,131		$	4,823		$	70		$	409		$	9,509		$	2,171		$	128,940
Agricultural production financing and other loans to farmers	39,558												93			50			1,116			40,817
Real estate loans:
Construction	32,866			16,025			9,269			1,122			1,721			103						61,106
Commercial and farmland	370,664			84,212			83,030			18,149			29,681			83,186			6,970			675,892
Residential	106,466			71,752			89,773			35,027			6,845			83,421			3,104			396,388
Home equity	38,581			26,918			9,333			6,211			4,615			21,306			10,298			117,262
Individuals' loans for household and other personal expenditures	4,236			755			417						89			57			23			5,577
Lease financing receivables, net of unearned income	2,405																					2,405
Other commercial loans	12,960			94			1,745									60						14,859
Total	715,563			203,887			198,390			60,579			43,453			197,692			23,682			1,443,246
Remaining fair value discount	(22,501		)	(5,901		)	(7,065		)	(1,383		)	(2,545		)	(6,185		)	(2,298		)	(47,878		)
Carrying amount	693,062			197,986			191,325			59,196			40,908			191,507			21,384			1,395,368
Allowance	362						411						52			38						863
Carrying amount net of allowance	$	692,700		$	197,986		$	190,914		$	59,196		$	40,856		$	191,469		$	21,384		$	1,394,505

24

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

	December 31, 2016
	Ameriana			C Financial			Community			CFS			SCB			Total
Outstanding Balance:
Commercial and industrial loans	$	8,003		$	85		$	2,269		$	23,327		$	3,552		$	37,236
Agricultural production financing and other loans to farmers							1,030			50			1,630			2,710
Real estate loans:
Construction	22,017			2,835			4,026			420						29,298
Commercial and farmland	103,075			22,130			36,947			131,895			9,315			303,362
Residential	103,414			44,101			9,363			96,627			4,135			257,640
Home equity	11,728			7,947			6,326			26,894			11,924			64,819
Individuals' loans for household and other personal expenditures	762			2			147			201			30			1,142
Other commercial loans	1,825									65						1,890
Total	250,824			77,100			60,108			279,479			30,586			698,097
Remaining fair value discount	(10,771		)	(1,906		)	(4,101		)	(12,634		)	(3,268		)	(32,680		)
Carrying amount	240,053			75,194			56,007			266,845			27,318			665,417
Allowance	265						23			92						380
Carrying amount net of allowance	$	239,788		$	75,194		$	55,984		$	266,753		$	27,318		$	665,037

The outstanding balance and related carrying amount of loans acquired and accounted for under ASC 310-30 as of September 30, 2017 were $42.1 million and $26.8 million, respectively; with no required allowance for loan losses. The outstanding balance and related carrying amount of those loans as of December 31, 2016 were $60.5 million and $43.2 million, respectively; with no required allowance for loan losses. During the nine months ended September 30, 2017, one loan, with a December 31, 2016 outstanding balance of $12.1 million and a carrying amount of $7.6 million, was transferred to Other Real Estate Owned.

As customer cash flow expectations improve, nonaccretable yield can be reclassified to accretable yield. The accretable yield, or income expected to be collected, and reclassifications from nonaccretable, are identified in the tables below.  The tables reflect only purchased loans accounted for under ASC 310-30 and not the entire portfolio of purchased loans.

	Three Months Ended September 30, 2017
	IAB		Arlington Bank			Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance			$	667		$	671		$	63		$	890		$	81		$	235		$	2,607
Additions	$	941																			941
Accretion			(38		)	(156		)	(134		)	(11		)	(166		)	(181		)	(686		)
Reclassification from nonaccretable			26			23			71						170			159			449
Disposals
Ending balance	$	941	$	655		$	538					$	879		$	85		$	213		$	3,311

	Nine Months Ended September 30, 2017
	IAB		Arlington Bank			Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance						$	1,630		$	73		$	1,233		$	736		$	279		$	3,951
Additions	$	941	$	667																	1,608
Accretion			(38		)	(2,814		)	(222		)	(444		)	(1,053		)	(511		)	(5,082		)
Reclassification from nonaccretable			26			1,722			149			212			947			445			3,501
Disposals												(122		)	(545		)				(667		)
Ending balance	$	941	$	655		$	538					$	879		$	85		$	213		$	3,311

	Three Months Ended September 30, 2016
	Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance	$	1,846		$	81		$	1,345		$	904		$	451		$	4,627
Additions
Accretion	(67		)	(18		)	(63		)	(665		)	(199		)	(1,012		)
Reclassification from nonaccretable	4			15			22			585			72			698
Disposals
Ending balance	$	1,783		$	78		$	1,304		$	824		$	324		$	4,313

25

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

	Nine Months Ended September 30, 2016
	Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance	$	2,160		$	114		$	1,508		$	1,188		$	642		$	5,612
Additions
Accretion	(154		)	(104		)	(975		)	(2,810		)	(580		)	(4,623		)
Reclassification from nonaccretable	9			68			771			2,457			262			3,567
Disposals	(232		)							(11		)				(243		)
Ending balance	$	1,783		$	78		$	1,304		$	824		$	324		$	4,313

The following table presents loans acquired during the nine month period ended September 30, 2017, for which it was probable that all contractually required payments would not be collected:

	IAB		Arlington Bank
Contractually required payments receivable at acquisition date	$	14,131	$	6,183
Nonaccretable difference	8,352		2,891
Expected cash flows at acquisition date	5,779		3,292
Accretable difference	941		667
Basis in loans at acquisition date	$	4,838	$	2,625

NOTE 6

GOODWILL

Goodwill is recorded on the acquisition date of an entity. During the measurement period, the Corporation may record subsequent adjustments to goodwill for provisional amounts recorded at the acquisition date. The IAB acquisition on July, 14, 2017 resulted in $153,636,000 of goodwill. The Arlington Bank acquisition on May 19, 2017 resulted in $47,719,000 of goodwill, which includes a reduction of $469,000. This reduction was recorded in the third quarter of 2017 as a measurement period adjustment. The Ameriana acquisition on December 31, 2015 resulted in $38,624,000 of goodwill, of which, $871,000 was recorded during the first quarter of 2016 as a measurement period adjustment. Details regarding the IAB and Arlington Bank acquisitions are discussed in NOTE 2. ACQUISITIONS, in the Notes to Consolidated Financial Statements of this Quarterly Report on Form 10-Q.

	2017
Balance, January 1	$	244,000
Goodwill acquired	201,824
Measurement period adjustment	(469		)
Balance, September 30	$	445,355

	2016
Balance, January 1	$	243,129
Measurement period adjustment	871
Balance, December 31	$	244,000

NOTE 7

OTHER INTANGIBLES

Core deposit intangibles and other intangibles are recorded on the acquisition date of an entity. During the measurement period, the Corporation may record subsequent adjustments to these intangibles for provisional amounts recorded at the acquisition date. The IAB acquisition on July 14, 2017 resulted in a core deposit intangible of $13,638,000 and other intangibles, consisting of non-compete intangibles, of $3,765,000. The Arlington Bank acquisition on May 19, 2017 resulted in a core deposit intangible of $4,526,000. The Ameriana acquisition on December 31, 2015 resulted in a core deposit intangible of $5,342,000, of which, $2,142,000 was recorded as a measurement period adjustment in the first quarter of 2016. Details regarding the IAB and Arlington Bank acquisitions are discussed in NOTE 2. ACQUISITIONS, in the Notes to Consolidated Financial Statements of this Quarterly Report on Form 10-Q.

26

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The carrying basis and accumulated amortization of recognized core deposit intangibles and other intangibles are noted below.

	September 30, 2017			December 31, 2016
Gross carrying amount	$	63,940		$	61,798
Core deposit intangibles acquired	18,164
Other intangibles acquired	3,765
Measurement period adjustment				2,142
Accumulated amortization	(52,666		)	(49,074		)
Total other intangibles	$	33,203		$	14,866

The core deposit intangibles and other intangibles are being amortized primarily on an accelerated basis over their estimated useful lives, generally over a period of two to ten years. Estimated future amortization expense is summarized as follows:

	Amortization Expense
2017	$	2,055
2018	6,719
2019	5,169
2020	3,632
2021	3,427
After 2021	12,201
	$	33,203

NOTE 8

DERIVATIVE FINANCIAL INSTRUMENTS

Risk Management Objective of Using Derivatives

The Corporation is exposed to certain risks arising from both its business operations and economic conditions.  The Corporation principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. The Corporation manages economic risks, including interest rate, liquidity, and credit risk, primarily by managing the amount, sources, and duration of its assets and liabilities and through the use of derivative financial instruments.  Specifically, the Corporation enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates.  The Corporation’s derivative financial instruments are used to manage differences in the amount, timing, and duration of the Corporation’s known or expected cash payments principally related to certain variable-rate liabilities.  The Corporation also has derivatives that are a result of a service the Corporation provides to certain qualifying customers, and, therefore, are not used to manage interest rate risk in the Corporation’s assets or liabilities. The Corporation manages a matched book with respect to its derivative instruments offered as a part of this service to its customers in order to minimize its net risk exposure resulting from such transactions.

Cash Flow Hedges of Interest Rate Risk

The Corporation’s objectives in using interest rate derivatives are to add stability to interest expense and to manage its exposure to interest rate movements. To accomplish these objectives, the Corporation primarily uses interest rate swaps and interest rate caps as part of its interest rate risk management strategy.  Interest rate swaps designated as cash flow hedges involve the payment of fixed amounts to a counterparty in exchange for the Corporation receiving variable payments over the life of the agreements without exchange of the underlying notional amount.  Interest rate caps designated as cash flow hedges involve the receipt of variable amounts from a counterparty if interest rates rise above the strike rate on the contract in exchange for an up-front premium.  As of September 30, 2017 and December 31, 2016, the Corporation had five interest rate swaps with a notional amount of $56.0 million and one interest rate cap with a notional amount of $13.0 million that were designated as cash flow hedges. 

Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense as interest payments are made on the Corporation's variable-rate liabilities. During the next twelve months, the Corporation expects to reclassify $803,000 from accumulated other comprehensive income to interest expense.

The effective portion of changes in the fair value of derivatives designated and that qualify as cash flow hedges is recorded in accumulated other comprehensive income and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings.

During 2017, $26.0 million of the interest rate swaps and the $13.0 million interest rate cap were used to hedge the variable cash outflows (LIBOR-based) associated with existing trust preferred securities when the outflows converted from a fixed rate to variable rate in September of 2012.  In addition, the remaining $30.0 million of interest rate swaps were used to hedge the variable cash outflows (LIBOR-based) associated with three Federal Home Loan Bank advances. The ineffective portion of the change in fair value of the derivatives is recognized directly in earnings. During the nine months ended September 30, 2017, and 2016, the Corporation did not recognize any ineffectiveness.

27

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

Non-designated Hedges

The Corporation does not use derivatives for trading or speculative purposes.  Derivatives not designated as hedges are not speculative and result from a service the Corporation provides to certain customers. The Corporation executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies.  Those interest rate swaps are simultaneously hedged by offsetting interest rate swaps that the Corporation executes with a third party, such that the Corporation minimizes its net risk exposure resulting from such transactions.  As the interest rate swaps associated with this program do not meet the strict hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting swaps are recognized directly in earnings.  As of September 30, 2017, the notional amount of customer-facing swaps was approximately $383,658,000.  This amount is offset with third party counterparties, as described above.

Fair Values of Derivative Instruments on the Balance Sheet

The table below presents the fair value of the Corporation’s derivative financial instruments, as well as their classification on the Balance Sheet, as of September 30, 2017, and December 31, 2016.

Asset Derivatives

Liability Derivatives

September 30, 2017

December 31, 2016

September 30, 2017

December 31, 2016

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Derivatives designated as hedging instruments:

Interest rate contracts

Other Assets

$

1

Other Assets

$

15

Other Liabilities

$

1,934

Other Liabilities

$

2,182

Derivatives not designated as hedging instruments:

Interest rate contracts

Other Assets

$

7,060

Other Assets

$

6,295

Other Liabilities

$

7,060

Other Liabilities

$

6,295

The amount of gain (loss) recognized in other comprehensive income is included in the table below for the periods indicated.

Derivatives in Cash Flow Hedging Relationships	Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)
	Three Months Ended					Nine Months Ended
	September 30, 2017			September 30, 2016		September 30, 2017			September 30, 2016
Interest Rate Products	$	(10	)	$	384	$	(380	)	$	(2,383	)

Effect of Derivative Instruments on the Income Statement

The tables below present the effect of the Corporation’s derivative financial instruments on the Income Statement for the three and nine months ended September 30, 2017 and 2016.

Derivatives Not Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative
		Three Months Ended September 30, 2017	Three Months Ended September 30, 2016
Interest rate contracts	Other income		$	211

Derivatives Not Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative
		Nine Months Ended September 30, 2017	Nine Months Ended September 30, 2016
Interest rate contracts	Other income		$	698

The amount of gain (loss) reclassified from other comprehensive income into income is included in the table below for the periods indicated.

Derivatives Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Reclassed from Other Comprehensive Income into Income (Effective Portion)
		Three Months Ended September 30, 2017			Three Months Ended September 30, 2016
Interest rate contracts	Interest Expense	$	(240	)	$	(317	)

Derivatives Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Reclassed from Other Comprehensive Income into Income (Effective Portion)
		Nine Months Ended September 30, 2017			Nine Months Ended September 30, 2016
Interest rate contracts	Interest Expense	$	(759	)	$	(959	)

28

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The Corporation’s exposure to credit risk occurs because of nonperformance by its counterparties.  The counterparties approved by the Corporation are usually financial institutions, which are well capitalized and have credit ratings through Moody’s and/or Standard & Poor’s at or above investment grade.  The level of risk is monitored by performing quarterly financial reviews, comparing mark-to-mark values with policy limitations, monitoring credit ratings and pledging of collateral.

Credit-risk-related Contingent Features

The Corporation has agreements with certain of its derivative counterparties that contain a provision where if the Corporation fails to maintain its status as a well or adequately capitalized institution, then the Corporation could be required to terminate or fully collateralize all outstanding derivative contracts.

The Corporation also has agreements with certain of its derivative counterparties that contain a provision where if the Corporation defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender, the Corporation could also be declared in default on its derivative obligations. As of September 30, 2017, the termination value of derivatives in a net liability position related to these agreements was $3,877,000. As of September 30, 2017, the Corporation had minimum collateral posting thresholds with certain of its derivative counterparties and had posted collateral of $12,366,000. If the Corporation had breached any of these provisions at September 30, 2017, it could have been required to settle its obligations under the agreements at their termination value.

NOTE 9 

DISCLOSURES ABOUT FAIR VALUE OF ASSETS AND LIABILITIES

The Corporation used fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The accounting guidance defines fair value, establishes a framework for measuring fair value and expands disclosures about fair value measurements.  ASC 820 applies only when other guidance requires or permits assets or liabilities to be measured at fair value; it does not expand the use of fair value in any new circumstances.

As defined in ASC 820, fair value is the price to sell an asset or transfer a liability in an orderly transaction between market participants. It represents an exit price at the measurement date. Market participants are buyers and sellers, who are independent, knowledgeable, and willing and able to transact in the principal (or most advantageous) market for the asset or liability being measured. Current market conditions, including imbalances between supply and demand, are considered in determining fair value. The Corporation values its assets and liabilities in the principal market where it sells the particular asset or transfers the liability with the greatest volume and level of activity. In the absence of a principal market, the valuation is based on the most advantageous market for the asset or liability (i.e., the market where the asset could be sold or the liability transferred at a price that maximizes the amount to be received for the asset or minimizes the amount to be paid to transfer the liability).

Valuation inputs refer to the assumptions market participants would use in pricing a given asset or liability. Inputs can be observable or unobservable. Observable inputs are those assumptions which market participants would use in pricing the particular asset or liability. These inputs are based on market data and are obtained from a source independent of the Corporation. Unobservable inputs are assumptions based on the Corporation’s own information or estimate of assumptions used by market participants in pricing the asset or liability. Unobservable inputs are based on the best and most current information available on the measurement date. All inputs, whether observable or unobservable, are ranked in accordance with a prescribed fair value hierarchy which gives the highest ranking to quoted prices (unadjusted) in active markets for identical assets or liabilities (Level 1) and the lowest ranking to unobservable inputs for which there is little or no market activity (Level 3). Fair values for assets or liabilities classified as Level 2 are based on one or a combination of the following factors: (i) quoted prices for similar assets; (ii) observable inputs for the asset or liability, such as interest rates or yield curves; or (iii) inputs derived principally from or corroborated by observable market data. The level in the fair value hierarchy within which the fair value measurement in its entirety falls is determined based on the lowest level input that is significant to the fair value measurement in its entirety. The Corporation considers an input to be significant if it drives 10 percent or more of the total fair value of a particular asset or liability.

RECURRING MEASUREMENTS

Assets and liabilities are considered to be measured at fair value on a recurring basis if fair value is measured regularly (i.e., daily, weekly,

monthly or quarterly). Recurring valuation occurs at a minimum on the measurement date. Assets and liabilities are considered to be measured

at fair value on a nonrecurring basis if the fair value measurement of the instrument does not necessarily result in a change in the amount

recorded on the balance sheet. Generally, nonrecurring valuation is the result of the application of other accounting pronouncements which

require assets or liabilities to be assessed for impairment or recorded at the lower of cost or fair value. The fair value of assets or liabilities

transferred in or out of Level 3 is measured on the transfer date, with any additional changes in fair value subsequent to the transfer considered

to be realized or unrealized gains or losses.

Following is a description of the valuation methodologies used for instruments measured at fair value on a recurring basis and recognized in the

accompanying balance sheets, as well as the general classification of such instruments pursuant to the valuation hierarchy.

29

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

Investment Securities

Where quoted, market prices are available in an active market and securities are classified within Level 1 of the valuation hierarchy. Level 1

securities include U.S. Treasury securities. If quoted market prices are not available, then fair values are estimated by using pricing models, quoted prices of securities with similar characteristics or discounted cash flows. Level 2 securities include government-sponsored mortgage backs, state and municipal and equity securities. In certain cases where Level 1 or Level 2 inputs are not available, securities are classified within Level 3 of the hierarchy and include state and municipal, corporate obligations and equity securities. Level 3 fair value for state and municipal, corporate obligations and equity securities was determined using a discounted cash flow model that incorporated market estimates of interest rates and volatility in markets that have not been active.

Third party vendors compile prices from various sources and may apply such techniques as matrix pricing to determine the value of identical or

similar investment securities (Level 2). Matrix pricing is a mathematical technique widely used in the banking industry to value investment

securities without relying exclusively on quoted prices for specific investment securities but rather relying on the investment securities’

relationship to other benchmark quoted investment securities. Any investment security not valued based upon the methods above are

considered Level 3.

Interest Rate Derivative Agreements

See information regarding the Corporation's interest rate derivative products in NOTE 8. DERIVATIVE FINANCIAL INSTRUMENTS, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

The following tables present the fair value measurements of assets and liabilities recognized in the Consolidated Condensed Balance Sheets measured at fair value on a recurring basis and the level within the fair value hierarchy in which the fair value measurements fall at September 30, 2017, and December 31, 2016.

			Fair Value Measurements Using:
September 30, 2017	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities:
U.S. Treasury	$	250	$	250
State and municipal	464,408				$	460,456	$	3,952
U.S. Government-sponsored mortgage-backed securities	423,675				423,675
Corporate obligations	31						31
Equity securities	2,357				2,353		4
Interest rate swap asset	7,060				7,060
Interest rate cap	1				1
Interest rate swap liability	8,994				8,994

			Fair Value Measurements Using:
December 31, 2016	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities:
U.S. Government-sponsored agency securities	$	100			$	100
State and municipal	363,658				358,524		$	5,134
U.S. Government-sponsored mortgage-backed securities	312,292				312,292
Corporate obligations	31						31
Equity securities	20,781		$	18,765	2,012		4
Interest rate swap asset	6,295				6,295
Interest rate cap	15				15
Interest rate swap liability	8,477				8,477

30

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

Level 3 Reconciliation

The following is a reconciliation of the beginning and ending balances of recurring fair value measurements recognized in the Consolidated Condensed Balance Sheets using significant unobservable (Level 3) inputs for the three and nine months ended September 30, 2017 and 2016.

	Available for Sale Securities
	Three Months Ended						Nine Months ended
	September 30, 2017			September 30, 2016			September 30, 2017			September 30, 2016
Balance at beginning of the period	$	3,330		$	5,564		$	5,169		$	5,932
Included in other comprehensive income	(22		)	(45		)	38			52
Principal payments	679			(77		)	(1,220		)	(542		)
Ending balance	$	3,987		$	5,442		$	3,987		$	5,442

There were no gains or losses for the period included in earnings that were attributable to the changes in unrealized gains or losses related to assets or liabilities held at September 30, 2017 or December 31, 2016.

Transfers Between Levels

There were no transfers in or out of Level 3 for the three and nine months ended September 30, 2017 and 2016.

Nonrecurring Measurements

Following is a description of valuation methodologies used for instruments measured at fair value on a non-recurring basis and recognized in the

accompanying balance sheets, as well as the general classification of such instruments pursuant to the valuation hierarchy for

September 30, 2017, and December 31, 2016.

			Fair Value Measurements Using
September 30, 2017	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Impaired loans (collateral dependent)	$	8,045			$	8,045
Other real estate owned	1,818				1,818

			Fair Value Measurements Using
December 31, 2016	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable  Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Impaired loans (collateral dependent)	$	15,318			$	15,318
Other real estate owned	1,612				1,612

Impaired Loans (collateral dependent)

Loans for which it is probable that the Corporation will not collect all principal and interest due according to contractual terms are measured for impairment. Allowable methods for determining the amount of impairment include estimating fair value of the collateral for collateral dependent loans. If the impaired loan is identified as collateral dependent, then the fair value method of measuring the amount of impairment is utilized. This method requires obtaining a current independent appraisal of the collateral and applying a discount factor to the value. A portion of the allowance for loan losses is allocated to impaired loans if the value of such loans is deemed to be less than the unpaid balance. If these allocations cause the allowance for loan losses to increase, such increase is reported as a component of the provision for loan losses. Loan losses are charged against the allowance when management believes the uncollectability of the loan is confirmed. During 2017, certain impaired loans were partially charged off or re-evaluated. Impaired loans that are collateral dependent are classified within Level 3 of the fair value hierarchy when impairment is determined using the fair value method.

Other Real Estate Owned

The fair value for impaired loans and other real estate owned is measured based on the value of the collateral securing those loans or real

estate and is determined using several methods. The fair value of real estate is generally determined based on appraisals by qualified licensed

appraisers. The appraisers typically determine the value of the real estate by utilizing an income or market valuation approach. If an appraisal is

not available, the fair value may be determined by using a discounted cash flow analysis. Fair value on other collateral such as business assets

is typically ascertained by assessing, either singularly or some combination of, asset appraisals, accounts receivable aging reports, inventory

listings and or customer financial statements. Both appraised values and values based on borrower’s financial information are discounted as

considered appropriate based on age and quality of the information and current market conditions.

31

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

Unobservable (Level 3) Inputs

The following table presents quantitative information about unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements, other than goodwill, at September 30, 2017 and December 31, 2016.

September 30, 2017	Fair Value		Valuation Technique	Unobservable Inputs	Range (Weighted-Average)
State and municipal securities	$	3,952	Discounted cash flow	Maturity/Call date	1 month to 20 yrs
				US Muni BQ curve	A- to BBB-
				Discount rate	.69% - 5%
Corporate obligations and Equity securities	$	35	Discounted cash flow	Risk free rate	3 month LIBOR
				plus premium for illiquidity	plus 200bps
Impaired loans (collateral dependent)	$	8,045	Collateral based measurements	Discount to reflect current market conditions and ultimate collectability	0% - 10% (1%)
Other real estate owned	$	1,818	Appraisals	Discount to reflect current market conditions	0% - 15% (4%)

December 31, 2016	Fair Value		Valuation Technique	Unobservable Inputs	Range (Weighted-Average)
State and municipal securities	$	5,134	Discounted cash flow	Maturity/Call date	1 month to 20 yrs
				US Muni BQ curve	A- to BBB-
				Discount rate	.69% - 5%
Corporate obligations and Equity securities	$	35	Discounted cash flow	Risk free rate	3 month LIBOR
				plus premium for illiquidity	plus 200bps
Impaired loans (collateral dependent)	$	15,318	Collateral based measurements	Discount to reflect current market conditions and ultimate collectability	0% - 10% (1%)
Other real estate owned	$	1,612	Appraisals	Discount to reflect current market conditions	0% - 10% (9%)

Sensitivity of Significant Unobservable Inputs

The following is a discussion of the sensitivity of significant unobservable inputs, the interrelationships between those inputs and other unobservable inputs used in recurring fair value measurement and how those inputs might magnify or mitigate the effect of changes in the unobservable inputs on the fair value measurement.

State and Municipal Securities, Corporate Obligations and Equity Securities

The significant unobservable inputs used in the fair value measurement of the Corporation's state and municipal securities, corporate obligations

and equity securities are premiums for unrated securities and marketability discounts. Significant increases or decreases in either of those

inputs in isolation would result in a significantly lower or higher fair value measurement. Generally, changes in either of those inputs will not

affect the other input.

32

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

Fair Value of Financial Instruments

The following table presents estimated fair values of the Corporation’s financial instruments and the level within the fair value hierarchy in which the fair value measurements fall at September 30, 2017, and December 31, 2016.

			September 30, 2017
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Carrying Amount		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash and cash equivalents	$	146,607	$	146,607
Interest-bearing time deposits	72,950		72,950
Investment securities available for sale	890,721		250		$	886,484	$	3,987
Investment securities held to maturity	578,166				574,698		12,572
Loans held for sale	4,514				4,514
Loans	6,410,094						6,301,582
Federal Home Loan Bank stock	23,825				23,825
Interest rate swap and cap asset	7,061				7,061
Interest receivable	32,366				32,366
Liabilities:
Deposits	$	6,911,019	$	5,447,422	$	1,445,246
Borrowings:
Federal funds purchased	100,000				100,000
Securities sold under repurchase agreements	142,107				142,060
Federal Home Loan Bank advances	406,820				407,708
Subordinated debentures and term loans	139,686				114,435
Interest rate swap liability	8,994				8,994
Interest payable	4,956				4,956

			December 31, 2016
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Carrying Amount		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash and cash equivalents	$	127,927	$	127,927
Interest-bearing time deposits	24,459		24,459
Investment securities available for sale	696,862		18,765		$	672,928	$	5,169
Investment securities held to maturity	607,643				597,246		14,687
Loans held for sale	2,929				2,929
Loans	5,073,608						4,933,552
Federal Home Loan Bank stock	17,964				17,964
Interest rate swap and cap asset	6,310				6,310
Interest receivable	26,194				26,194
Liabilities:
Deposits	$	5,556,498	$	4,427,605	$	1,111,491
Borrowings:
Federal funds purchased	120,349				120,349
Securities sold under repurchase agreements	146,480				146,449
Federal Home Loan Bank advances	298,923				297,465
Subordinated debentures and term loans	128,445				105,930
Interest rate swap liability	8,477				8,477
Interest payable	3,110				3,110

33

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The following methods were used to estimate the fair value of all other financial instruments recognized in the Consolidated Condensed Balance

Sheets at amounts other than fair value.

Cash and cash equivalents: The fair value of cash and cash equivalents approximates carrying value.

Interest-bearing time deposits: The fair value of interest-bearing time deposits approximates carrying value.

Investment securities: Fair value is based on quoted market prices, if available. If a quoted market price is not available, fair value is estimated

using quoted market prices for similar securities. The fair value of certain Level 3 securities is estimated using a discounted cash flow model that incorporated market estimates of interest rates and volatility in markets that have not been active.

Loans held for sale: The carrying amount approximates fair value due to the short duration between origination and date of sale.

Loans: The fair value for loans is estimated using discounted cash flow analysis, using interest rates currently being offered for loans with similar

terms to borrowers of similar credit quality. See Impaired Loans above.

Federal Home Loan Bank stock: The fair value of Federal Home Loan Bank stock is based on the price which it may be resold to the Federal Home Loan Bank.

Derivative instruments: The fair value of interest rate swaps reflects the estimated amounts that would have been received to terminate these

contracts at the reporting date based upon pricing or valuation models applied to current market information. Interest rate caps are valued using

the market standard methodology of discounting the future expected cash receipts that would occur if variable interest rates rose above the

strike rate of the caps. The projected cash receipts on the caps are based on an expectation of future interest rates derived from observed

market interest rate curves and volatilities.

Interest receivable and Interest payable: The fair value of interest receivable and payable approximates carrying value.

Deposits: The fair values of noninterest-bearing and interest-bearing demand accounts and savings deposits are equal to the amount payable

on demand at the balance sheet date. The carrying amounts for variable rate, fixed-term certificates of deposit approximate their fair values at

the balance sheet date. Fair values for fixed-rate certificates of deposit and other time deposits are estimated using a discounted cash flow

calculation that applies interest rates currently being offered to a schedule of aggregated expected monthly maturities on such time deposits.

Borrowings: The fair value of federal funds purchased approximates the carrying amount. The fair value of all other borrowings is estimated

using a discounted cash flow calculation, based on current rates for similar debt.

NOTE 10

TRANSFERS ACCOUNTED FOR AS SECURED BORROWINGS

The collateral pledged for all repurchase agreements that are accounted for as secured borrowings as of September 30, 2017 and December 31, 2016 were:

	September 30, 2017
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 Days		Total
U.S. Government-sponsored mortgage-backed securities	$	129,128	$	1,339	$	2,544	$	9,096	$	142,107

	December 31, 2016
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 Days		Total
U.S. Government-sponsored mortgage-backed securities	$	129,617	$	1,337	$	10,253	$	5,273	$	146,480

34

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

NOTE 11 

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The following table summarizes the changes in the balances of each component of accumulated other comprehensive income (loss), net of tax, as of September 30, 2017 and 2016:

	Accumulated Other Comprehensive Income (Loss)
	Unrealized Gains (Losses) on Securities Available for Sale			Unrealized Gains (Losses) on Cash Flow Hedges			Unrealized Gains (Losses) on Defined Benefit Plans			Total
Balance at December 31, 2016	$	1,035		$	(1,774	)	$	(12,842	)	$	(13,581	)
Other comprehensive income before reclassifications	8,124			(246		)				7,878
Amounts reclassified from accumulated other comprehensive income	(973		)	493			(175		)	(655		)
Period change	7,151			247			(175		)	7,223
Balance at September 30, 2017	$	8,186		$	(1,527	)	$	(13,017	)	$	(6,358	)
Balance at December 31, 2015	$	12,325		$	(2,347	)	$	(11,340	)	$	(1,362	)
Other comprehensive income before reclassifications	7,863			(1,548		)				6,315
Amounts reclassified from accumulated other comprehensive income	(1,652		)	623						(1,029		)
Period change	6,211			(925		)	—			5,286
Balance at September 30, 2016	$	18,536		$	(3,272	)	$	(11,340	)	$	3,924

The following tables present the reclassification adjustments out of accumulated other comprehensive income (loss) that were included in net income in the Consolidated Condensed Statements of Income for the three and nine months ended September 30, 2017 and 2016.

	Amount Reclassified from Accumulated Other Comprehensive Income (Loss) For the Three Months Ended September 30,
Details about Accumulated Other Comprehensive Income (Loss)Components	2017			2016			Affected Line Item in the Statements of Income
Unrealized gains (losses) on available for sale securities (1)
Realized securities gains reclassified into income	$	332		$	839		Other income - net realized gains on sales of available for sale securities
Related income tax expense	(116		)	(294		)	Income tax expense
	$	216		$	545
Unrealized gains (losses) on cash flow hedges (2)
Interest rate contracts	$	(240	)	$	(317	)	Interest expense - subordinated debentures and term loans
Related income tax benefit	84			111			Income tax expense
	$	(156	)	$	(206	)
Unrealized gains (losses) on defined benefit plans
Amortization of prior service costs	$	89					Other expenses - salaries and employee benefits
Related income tax expense	(31		)				Income tax expense
	$	58		$	—
Total reclassifications for the period, net of tax	$	118		$	339

35

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

	Amount Reclassified from Accumulated Other Comprehensive Income (Loss) For the Nine Months Ended September 30,
Details about Accumulated Other Comprehensive Income (Loss)Components	2017			2016			Affected Line Item in the Statements of Income
Unrealized gains (losses) on available for sale securities (1)
Realized securities gains reclassified into income	$	1,497		$	2,542		Other income - net realized gains on sales of available for sale securities
Related income tax expense	(524		)	(890		)	Income tax expense
	$	973		$	1,652
Unrealized gains (losses) on cash flow hedges (2)
Interest rate contracts	$	(759	)	$	(959	)	Interest expense - subordinated debentures and term loans
Related income tax benefit	266			336			Income tax expense
	$	(493	)	$	(623	)
Unrealized gains (losses) on defined benefit plans
Amortization of net loss and prior service costs	$	269					Other expenses - salaries and employee benefits
Related income tax expense	(94		)				Income tax expense
	$	175		$	—
Total reclassifications for the period, net of tax	$	655		$	1,029

⁽¹⁾ For additional detail related to unrealized gains (losses) on available for sale securities and related amounts reclassified from accumulated other comprehensive income see NOTE 3. INVESTMENT SECURITIES, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

⁽²⁾ For additional detail related to unrealized gains (losses) on cash flow hedges and related amounts reclassified from accumulated other comprehensive income see NOTE 8. DERIVATIVE FINANCIAL INSTRUMENTS, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

NOTE 12 

SHARE-BASED COMPENSATION

Stock options and RSAs have been issued to directors, officers and other management employees under the Corporation's 1999 Long-term Equity Incentive Plan and the 2009 Long-term Equity Incentive Plan.  The stock options, which have a ten year life, become 100 percent vested ranging from six months to two years and are fully exercisable when vested. Option exercise prices equal the Corporation's common stock closing price on NASDAQ on the date of grant.  RSAs issued to employees and non-employee directors provide for the issuance of shares of the Corporation's common stock at no cost to the holder and generally vest after three years.  The RSAs vest only if the employee is actively employed by the Corporation on the vesting date and, therefore, any unvested shares are forfeited.  For non-employee directors, the RSAs vest only if the non-employee director remains as an active board member on the vesting date and, therefore, any unvested shares are forfeited. RSAs for employees and non-employee directors retired from the Corporation are either immediately vested at retirement or continue to vest after retirement, depending on the plan under which the shares were granted. Deferred Stock Units ("DSU") can be credited to non-employee directors who have elected to defer payment of compensation under the Corporation's 2008 Equity Compensation Plan for Non-employee Directors.  DSUs credited are equal to the restricted shares that the non-employee director would have received under the plan.  As of September 30, 2017, there were no outstanding DSUs.

The Corporation’s 2009 ESPP provides eligible employees of the Corporation and its subsidiaries an opportunity to purchase shares of common stock of the Corporation through quarterly offerings financed by payroll deductions. The price of the stock to be paid by the employees shall be equal to 85 percent of the average of the closing price of the Corporation’s common stock on each trading day during the offering period. However, in no event shall such purchase price be less than the lesser of an amount equal to 85 percent of the market price of the Corporation’s stock on the offering date or an amount equal to 85 percent of the market value on the date of purchase. Common stock purchases are made quarterly and are paid through advance payroll deductions up to a calendar year maximum of $25,000.

Compensation expense related to unvested share-based awards is recorded by recognizing the unamortized grant date fair value of these awards over the remaining service periods of those awards, with no change in historical reported fair values and earnings.  Awards are valued at fair value in accordance with provisions of share-based compensation guidance and are recognized on a straight-line basis over the service periods of each award. To complete the exercise of vested stock options, RSA’s and ESPP options, the Corporation generally issues new shares from its authorized but unissued share pool. Share-based compensation for the three and nine months ended September 30, 2017 was $823,000 and $1,884,000, respectively, compared to $648,000 and $1,883,000, respectively, for the three and nine months ended September 30, 2016. Share-based compensation has been recognized as a component of salaries and benefits expense in the accompanying Consolidated Condensed Statements of Income.

The estimated fair value of the stock options granted during 2014 and in prior years was calculated using a Black Scholes option pricing model.  There have been no stock options granted since 2014.

36

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The Black Scholes model incorporates assumptions to value share-based awards. The risk-free rate of interest, for periods equal to the expected life of the option, is based on a U.S. government instrument over a similar contractual term of the equity instrument. Expected price volatility is based on historical volatility of the Corporation’s common stock.  In addition, the Corporation generally uses historical information to determine the dividend yield and weighted-average expected life of the options until exercise. Separate groups of employees that have similar historical exercise behavior with regard to option exercise timing and forfeiture rates are considered separately for valuation and attribution purposes.

Share-based compensation expense recognized in the Consolidated Condensed Statements of Income is based on awards ultimately expected to vest and is reduced for estimated forfeitures. Share-based compensation guidance requires forfeitures to be estimated at the time of grant and revised, if necessary, in subsequent periods, if actual forfeitures differ from those estimates. Pre-vesting forfeitures were estimated to be approximately 2.8 percent for the nine months ended September 30, 2017, based on historical experience.

The following table summarizes the components of the Corporation's share-based compensation awards recorded as expense and the income tax benefit of such awards. The income tax benefit increase in the three and nine months ended September 30, 2017 is due to the implementation of ASU 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. This ASU requires all income tax effects of awards to be recognized as income tax expense or benefit in the income statement when the awards vest or are settled. Implementation of the ASU was effective January 1, 2017 and resulted in approximately $9,000 and $846,000 of income tax benefit in the three and nine months ended September 30, 2017, respectively.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Stock and ESPP Options
Pre-tax compensation expense	$	23		$	18		$	93		$	54
Income tax expense (benefit)	(9		)	3			(313		)	12
Stock and ESPP option expense, net of income taxes	$	14		$	21		$	(220	)	$	66
Restricted Stock Awards
Pre-tax compensation expense	$	800		$	630		$	1,791		$	1,829
Income tax benefit	(280		)	(221		)	(1,160		)	(640		)
Restricted stock awards expense, net of income taxes	$	520		$	409		$	631		$	1,189
Total Share-Based Compensation
Pre-tax compensation expense	$	823		$	648		$	1,884		$	1,883
Income tax benefit	(289		)	(218		)	(1,473		)	(628		)
Total share-based compensation expense, net of income taxes	$	534		$	430		$	411		$	1,255

As of September 30, 2017, unrecognized compensation expense related to RSAs was $6,810,000 and is expected to be recognized over a weighted-average period of 1.66 years. The Corporation did not have any unrecognized compensation expense related to stock options as of September 30, 2017.

Stock option activity under the Corporation's stock option plans as of September 30, 2017 and changes during the nine months ended September 30, 2017, were as follows:

	Number of Shares		Weighted-Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2017	260,211		$	19.26
Granted
Exercised	(101,759	)	$	22.83
Canceled
OutstandingSeptember 30, 2017	158,452		$	16.96	2.55	$	4,114,422
Vested and Expected to Vest at September 30, 2017	158,452		$	16.96	2.55	$	4,114,422
Exercisable at September 30, 2017	158,452		$	16.96	2.55	$	4,114,422

The aggregate intrinsic value in the table above represents the total pre-tax intrinsic value (the difference between the Corporation's closing stock price on the last trading day of the first nine months of 2017 and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holders had all option holders exercised their stock options on September 30, 2017.  The amount of aggregate intrinsic value will change based on the fair market value of the Corporation's common stock. The aggregate intrinsic value of stock options exercised during the nine months ended September 30, 2017 and 2016 was $1,675,000 and $245,000, respectively. Cash receipts of stock options exercised during this same period were $2,323,000 and $309,000, respectively.

37

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The following table summarizes information on unvested RSAs outstanding as of September 30, 2017:

	Number of Shares		Weighted-Average Grant Date Fair Value
Unvested RSAs at January 1, 2017	328,347		$	22.87
Granted	127,757		$	40.41
Vested	(84,795	)	$	20.45
Forfeited	(4,220	)	$	23.11
Unvested RSAs at September 30, 2017	367,089		$	29.53

The grant date fair value of ESPP options was estimated at the beginning of the July 1, 2017 quarterly offering period of approximately $23,000. The ESPP options vested during the three months ending September 30, 2017, leaving no unrecognized compensation expense related to unvested ESPP options at September 30, 2017.

NOTE 13

INCOME TAX

The following table summarizes the major components creating differences between income taxes at the federal statutory and the effective tax rate recorded in the consolidated statements of income for the three and nine months ended September 30, 2017 and 2016:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Reconciliation of Federal Statutory to Actual Tax Expense:
Federal statutory income tax at 35%	$	11,304		$	9,985		$	32,900		$	27,481
Tax-exempt interest income	(2,881		)	(2,198		)	(8,062		)	(6,328		)
Share-based compensation	(78		)	(29		)	(862		)	(10		)
Tax-exempt earnings and gains on life insurance	(551		)	(216		)	(1,905		)	(1,186		)
Tax credits	(132		)	(165		)	(396		)	(423		)
Other	277			92			639			225
Actual Tax Expense	$	7,939		$	7,469		$	22,314		$	19,759
Effective Tax Rate	24.6		%	26.2		%	23.7		%	25.2		%

NOTE 14

NET INCOME PER SHARE

Basic net income per share is computed by dividing net income by the weighted-average shares outstanding during the reporting period. Diluted net income per share is computed by dividing net income by the combination of the weighted-average shares outstanding during the reporting period and all potentially dilutive common shares. Potentially dilutive common shares include stock options and RSAs issued under the Corporation's share-based compensation plans. Potentially dilutive common shares are excluded from the computation of diluted earnings per share in the periods where the effect would be antidilutive.

The following table reconciles basic and diluted net income per share for the three and nine months ended September 30, 2017 and 2016.

	Three Months Ended September 30,
	2017					2016
	Net Income		Weighted-Average Shares	Per Share Amount		Net Income		Weighted-Average Shares	Per Share Amount
Net income available to common stockholders	$	24,358	48,431,880	$	0.50	$	21,059	40,779,423	$	0.51
Effect of potentially dilutive stock options and restricted stock awards			211,894					246,361
Diluted net income per share	$	24,358	48,643,774	$	0.50	$	21,059	41,025,784	$	0.51

	Nine Months Ended September 30,
	2017					2016
	Net Income		Weighted-Average Shares	Per Share Amount		Net Income		Weighted-Average Shares	Per Share Amount
Net income available to common stockholders	$	71,687	43,845,675	$	1.64	$	58,758	40,740,714	$	1.44
Effect of potentially dilutive stock options and restricted stock awards			217,544					229,501
Diluted net income per share	$	71,687	44,063,219	$	1.63	$	58,758	40,970,215	$	1.43

38

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

For the three months ended September 30, 2017, there were no stock options with an option price greater than the average market price of the common shares. Stock options to purchase 53,550 shares for the three months ended September 30, 2016 were excluded from the computation of diluted net income per share because the exercise price for the options was greater than the average market price of the common shares and, therefore, the effect would be antidilutive.

For the nine months ended September 30, 2017, there were no stock options with an option price greater than the average market price of the common shares. Stock options to purchase 119,157 shares for the nine months ended September 30, 2016 were excluded from the computation of diluted net income per share because the exercise price for the options was greater than the average market price of the common shares and, therefore, the effect would be antidilutive.

NOTE 15

IMPACT OF ACCOUNTING CHANGES

The Corporation continually monitors potential accounting changes and pronouncements. The following pronouncements have been deemed to have the most applicability to the Corporation's financial statements:

FASB Accounting Standards Update No. 2017-12 - Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities

Summary - The FASB has issued an Accounting Standards Update (ASU) No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities. The new standard is intended to improve and simplify accounting rules around hedge accounting. The ASU is effective for public companies in 2019 and private companies in 2020. Early adoption is permitted.

The new standard refines and expands hedge accounting for both financial (e.g., interest rate) and commodity risks. Its provisions create more transparency around how economic results are presented, both on the face of the financial statements and in the footnotes, for investors and analysts.

The new standard takes effect for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018, for public companies and for fiscal years beginning after December 15, 2019 (and interim periods for fiscal years beginning after December 15, 2020), for private companies. Early adoption is permitted in any interim period or fiscal years before the effective date of the standard. The Corporation plans to adopt ASU 2017-12 in the first quarter of 2019.

ASU 2017-12 requires a modified retrospective transition method in which the Corporation will recognize the cumulative effect of the change on the opening balance of each affected component of equity in the statement of financial position as of the date of adoption. While the Corporation continues to assess all potential impacts of the standard, adoption of the standard is not expected to have a significant effect on the Corporation’s consolidated financial statements.

FASB Accounting Standards Update No. 2017-08 - Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2017-08, Receivables-Nonrefundable Fees and Other Costs (Subtopic 310-20), Premium Amortization on Purchased Callable Debt Securities. The ASU shortens the amortization period for certain callable debt securities held at a premium to the earliest call date.

Under current GAAP, entities normally amortize the premium as an adjustment of yield over the contractual life of the instrument. Stakeholders have expressed concerns with the current approach on the basis that current GAAP excludes certain callable debt securities from consideration of early repayment of principal even if the holder is certain that the call will be exercised. As a result, upon the exercise of a call on a callable debt security held at a premium, the unamortized premium is recorded as a loss in earnings. Further, there is diversity in practice (1) in the amortization period for premiums of callable debt securities, and (2) in how the potential for exercise of a call is factored into current impairment assessments.

Another issue is that the practice in the United States is to quote, price, and trade callable debt securities assuming a model that incorporates consideration of calls (also referred to as “yield-to-worst” pricing).

The ASU shortens the amortization period for certain callable debt securities held at a premium and requires the premium to be amortized to the earliest call date. However, the amendments do not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity.

The amendments are effective for public business entities for annual periods beginning after December 15, 2018, including interim periods within those annual periods. For other entities, the amendments are effective for annual periods beginning after December 15, 2019, and interim periods within annual periods beginning after December 15, 2020. Early adoption is permitted.

Entities are required to apply the amendments on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. The entity is required to provide disclosures about a change in accounting principle in the period of adoption. The Corporation plans to adopt ASU 2017-08 in the first quarter of 2019. Adoption of this ASU is not expected to have a significant effect on the Corporation’s consolidated financial statements.

39

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

FASB Accounting Standards Update No. 2017-07 - Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The amendments apply to all employers, including not-for-profit entities, that offer to their employees defined benefit pension plans, other postretirement benefit plans, or other types of benefits accounted for under Topic 715, Compensation - Retirement Benefits.

The amendments require that an employer report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented. If a separate line item or items are used to present the other components of net benefit cost, that line item or items must be appropriately described. If a separate line item or items are not used, the line item or items used in the income statement to present the other components of net benefit cost must be disclosed.

The amendments also allow only the service cost component to be eligible for capitalization when applicable (e.g., as a cost of internally manufactured inventory or a self-constructed asset).

The amendments are effective for public business entities for annual periods beginning after December 15, 2017, including interim periods within those annual periods. For other entities, the amendments are effective for annual periods beginning after December 15, 2018, and interim periods within annual periods beginning after December 15, 2019. Early adoption is permitted as of the beginning of an annual period for which financial statements (interim or annual) have not been issued or made available for issuance. The Corporation plans to adopt this ASU in the first quarter of 2018. Adoption of this ASU is not expected to have a significant effect on the Corporation’s consolidated financial statements.

FASB Accounting Standards Update No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This new guidance was issued to address concerns that current generally accepted accounting principles (GAAP) restricts the ability to record credit losses that are expected, but do not yet meet the “probable” threshold by replacing the current “incurred loss” model for recognizing credit losses with an “expected life of loan loss” model referred to as the Current Expected Credit Loss (CECL) model.

Under the CECL model, certain financial assets carried at amortized cost, such as loans held for investment and held-to-maturity debt securities, are required to be presented at the net amount expected to be collected. The measurement of expected credit losses is to be based on information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. This measurement will take place at the time the financial asset is first added to the balance sheet and periodically thereafter. This differs significantly from the “incurred loss” model required under current GAAP, which delays recognition until it is probable a loss has been incurred. The change could materially affect how the allowance for loan losses is determined and cause a charge to earnings through the provision for loan losses. Such would adversely affect the financial condition of the Corporation.

The ASU is effective for SEC filers for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019 (i.e., January 1, 2020, for calendar year entities). Early application will be permitted for all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. The Corporation plans to adopt this ASU in the first quarter of 2020.

The impact of CECL model implementation is being evaluated, but it’s expected a one-time cumulative-effect adjustment to the allowance for loan losses will be recognized in retained earnings on the consolidated balance sheet as of the beginning of the first reporting period in which the new standard is effective, as is consistent with regulatory expectations set forth in interagency guidance issued at the end of 2016. The magnitude of any such adjustment or the overall impact of the new standard on financial condition or results of operations cannot yet be determined.

FASB Accounting Standards Update No. 2016-02 - Leases (Topic 842)

Summary - The FASB has issued its new lease accounting guidance in Accounting Standards Update (ASU) No. 2016-02, Leases (Topic 842). Under the new guidance, lessees will be required to recognize the following for all leases (with the exception of short-term leases) at the commencement date:

• A lease liability, which is a lessee‘s obligation to make lease payments arising from a lease, measured on a discounted basis; and

• A right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term.

40

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

Under the new guidance, lessor accounting is largely unchanged. Certain targeted improvements were made to align, where necessary, lessor accounting with the lessee accounting model and Topic 606, Revenue from Contracts with Customers. The new lease guidance simplified the accounting for sale and leaseback transactions primarily because lessees must recognize lease assets and lease liabilities. Lessees will no longer be provided with a source of off-balance sheet financing.

Public business entities should apply the amendments in ASU 2016-02 for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years (i.e., January 1, 2019, for a calendar year entity). Nonpublic business entities should apply the amendments for fiscal years beginning after December 15, 2019 (i.e., January 1, 2020, for a calendar year entity), and interim periods within fiscal years beginning after December 15, 2020. Early application is permitted for all public business entities and all nonpublic business entities upon issuance.

Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. The impact of this ASU is being evaluated, but it’s expected a one-time adjustment to the Corporation’s other assets and other liabilities on the consolidated balance sheet will occur as of the beginning of the first reporting period in which the new standard is effective. The magnitude of any such adjustment or the overall impact of the new standard on financial condition, results of operations and regulatory capital cannot yet be determined.

FASB Accounting Standards Updates No. 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities. The new guidance is intended to improve the recognition and measurement of financial instruments. The ASU affects public and private companies, not-for-profit organizations, and employee benefit plans that hold financial assets or owe financial liabilities.

The new guidance makes targeted improvements to existing U.S. GAAP by:

• Requiring equity investments (except those accounted for under the equity method of accounting, or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income;

• Requiring public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes;

• Requiring separate presentation of financial assets and financial liabilities by measurement category and form of financial asset (i.e., securities or loans and receivables) on the balance sheet or the accompanying notes to the financial statements;

• Eliminating the requirement to disclose the fair value of financial instruments measured at amortized cost for organizations that are not public business entities;

• Eliminating the requirement for public business entities to disclose the method(s) and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet; and

• Requiring a reporting organization to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk (also referred to as “own credit”) when the organization has elected to measure the liability at fair value in accordance with the fair value option for financial instruments.

The new guidance is effective for public companies for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. For private companies, not-for-profit organizations, and employee benefit plans, the new guidance becomes effective for fiscal years beginning after December 15, 2018, and for interim periods within fiscal years beginning after December 15, 2019. The new guidance permits early adoption of the own credit provision. In addition, the new guidance permits early adoption of the provision that exempts private companies and not-for-profit organizations from having to disclose fair value information about financial instruments measured at amortized cost. The Corporation plans to adopt this ASU in the first quarter of 2018. Adoption of this ASU is not expected to have a significant effect on the Corporation’s consolidated financial statements.

FASB Accounting Standards Updates No. 2014-09, Revenue from Contracts with Customers (Topic 606):

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers (Topic 606). The amendments in this update supersede virtually all existing GAAP revenue recognition guidance, including most industry-specific revenue recognition guidance. ASU 2014-09 creates a single, principle-based revenue recognition framework and will require entities to apply significantly more judgment and expanded disclosures surrounding revenue recognition. The core principle requires an entity to recognize revenue in a manner that depicts the transfer of goods or services to customers at an amount that reflects the consideration to which the entity expects to be entitled in exchange for those good or services. ASU 2014-09 applies to contracts with customers to provide goods and services, with certain exclusion such as lease contracts, financing arrangements and financial instruments. The amendments in ASU 2014-09 are effective for annual reporting periods beginning after December 15, 2017. Early adoption is permitted for annual reporting periods beginning after December 15, 2016.

41

PART I. FINANCIAL INFORMATION

ITEM 1. NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(table dollar amounts in thousands, except share data)

(Unaudited)

The Corporation’s revenue is comprised of net interest income on financial assets and financial liabilities, which is explicitly excluded from the scope of ASU 2014-09, and non-interest income. We are finalizing our in-depth assessment and have identified the revenue line items within the scope of this new guidance. Our accounting policies will not materially change since the principles of revenue recognition from the ASU are largely consistent with existing guidance and our current practices. While certain implementation issues relevant to our industry are still pending resolution, such as the applicability of interchange revenues, our preliminary conclusions reached as to the application of this new guidance are not expected to be significantly affected. We have elected to implement using the modified retrospective application, with the cumulative effect recorded as an adjustment to opening retained earnings at January 1, 2018. We will provide qualitative disclosures of our performance obligations related to revenue recognition and we continue to evaluate disaggregation for significant categories of revenue in the scope of the guidance.

NOTE 16

GENERAL LITIGATION AND REGULATORY EXAMINATIONS

The Corporation is subject to claims and lawsuits that arise primarily in the ordinary course of business. Additionally, the Corporation is subject to periodic examinations by various regulatory agencies. It is the opinion of management that the disposition or ultimate resolution of such claims, lawsuits, and examinations will not have a material adverse effect on the consolidated financial position, results of operations and cash flow of the Corporation.

42

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

ITEM 2.  MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

FORWARD-LOOKING STATEMENTS

From time to time, we include forward-looking statements in our oral and written communication. We may include forward-looking statements in filings with the Securities and Exchange Commission, such as this Quarterly Report on Form 10-Q, in other written materials and in oral statements made by senior management to analysts, investors, representatives of the media and others. We intend these forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995, and we are including this statement for purposes of these safe harbor provisions. Forward-looking statements can often be identified by the use of words like “believe”, “continue”, “pattern”, “estimate”, “project”, “intend”, “anticipate”,  “expect” and similar expressions or future or conditional verbs such as “will”, “would”,  “should”,  “could”,  “might”, “can”, “may”, or similar expressions. These forward-looking statements include:

• statements of our goals, intentions and expectations;

• statements regarding our business plan and growth strategies;

• statements regarding the asset quality of our loan and investment portfolios; and

• estimates of our risks and future costs and benefits.

These forward-looking statements are subject to significant risks, assumptions and uncertainties, including, among other things, the following important factors which could affect the actual outcome of future events:

• fluctuations in market rates of interest and loan and deposit pricing, which could negatively affect our net interest margin, asset valuations and expense expectations;

• adverse changes in the economy, which might affect our business prospects and could cause credit-related losses and expenses;

• adverse developments in our loan and investment portfolios;

• competitive factors in the banking industry, such as the trend towards consolidation in our market;

• changes in the banking legislation or the regulatory requirements of federal and state agencies applicable to bank holding companies and banks like our affiliate bank;

• acquisitions of other businesses by us and integration of such acquired businesses;

• changes in market, economic, operational, liquidity, credit and interest rate risks associated with our business; and

• the continued availability of earnings and excess capital sufficient for the lawful and prudent declaration and payment of cash dividends.

Because of these and other uncertainties, our actual future results may be materially different from the results indicated by these forward-looking statements. In addition, our past results of operations do not necessarily indicate our anticipated future results.

CRITICAL ACCOUNTING POLICIES

Generally accepted accounting principles are complex and require us to apply significant judgments to various accounting, reporting and disclosure matters. We must use assumptions and estimates to apply those principles where actual measurement is not possible or practical. For a complete discussion of our significant accounting policies, see “Notes to the Consolidated Financial Statements” in our Annual Report on Form 10-K for the year ended December 31, 2016. Certain policies are considered critical because they are highly dependent upon subjective or complex judgments, assumptions and estimates. Changes in such estimates may have a significant impact on the financial statements. We have reviewed the application of these policies with the Audit Committee of our Board of Directors.

We believe there have been no significant changes during the nine months ended September 30, 2017, to the items that we disclosed as our critical accounting policies and estimates in Management’s Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2016.

BUSINESS SUMMARY

First Merchants Corporation (the “Corporation”) is a financial holding company headquartered in Muncie, Indiana and was organized in September 1982. The Corporation’s Common Stock is traded on NASDAQ’s Global Select Market System under the symbol FRME. The Corporation has one full-service bank charter, First Merchants Bank (the “Bank”), which opened for business in Muncie, Indiana, in March 1893. The Bank also operates Lafayette Bank and Trust, iAB Financial Bank and First Merchants Private Wealth Advisors as divisions of First Merchants Bank.  The Bank includes 121 banking locations in thirty-one Indiana, two Illinois and two Ohio counties. In addition to its branch network, the Corporation’s delivery channels include ATMs, check cards, remote deposit capture, interactive voice response systems and internet technology. The Corporation’s business activities are currently limited to one significant business segment, which is community banking.

Through the Bank, the Corporation offers a broad range of financial services, including accepting time deposits, savings and demand deposits; making consumer, commercial, agri-business and real estate mortgage loans; renting safe deposit facilities; providing personal and corporate trust services; providing full-service brokerage and private wealth management; and providing letters of credit, repurchase agreements and other corporate services.

43

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

RESULTS OF OPERATIONS

Executive Summary

The Corporation reported third quarter 2017 net income of $24.4 million, compared to $21.1 million during the third quarter of 2016. Diluted earnings per share for the period totaled $.50 per share, which included $.11 per share of acquisition expenses, compared to $.51 per diluted share during the same period in 2016. The acquisition expenses in the third quarter totaled $7.9 million and were primarily related to the acquisition of IAB.

Year-to-date net income totaled $71.7 million, compared to $58.8 million during the same period in 2016. Diluted earnings per share for the nine months ended September 30, 2017 totaled $1.63 per share, an increase of $.20 per share, or 14 percent, over the same period in 2016. In the first nine months of 2017, acquisition expenses related to the completion of the Arlington Bank and IAB acquisitions, totaled $10.8 million, or $.16 per share.

As of September 30, 2017, total assets equaled $9.0 billion, an increase of $1.8 billion, or 25.5 percent, from December 31, 2016.  On May 19, 2017, the Corporation acquired Arlington Bank, which resulted in $338.7 million of additional assets and on July 14, 2017, the Corporation acquired IAB, which resulted in $1.2 billion of additional assets. Additional details of the acquisitions are discussed within NOTE 2. ACQUISITIONS, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

The Corporation's total loan portfolio increased $1.3 billion, with Arlington Bank and IAB contributing $232.3 million and $726.0 million in total loans, respectively. The largest loan segments that experienced increases were commercial and farmland, commercial and industrial and residential. Additional details of the changes in the Corporation's loans and other earning assets are discussed within NOTE 4. LOANS AND ALLOWANCE, in the Notes to Consolidated Condensed Financial Statements, and the "EARNING ASSETS" section of Management's Discussion and Analysis of Financial Condition and Results of Operations of this Quarterly Report on Form 10-Q.

The Corporation’s allowance for loan losses totaled $73.4 million as of September 30, 2017.  The allowance provided 227.4 percent coverage of all non-accrual loans and 1.13 percent of total loans.  The Corporation's provision expense for the three months ended September 30, 2017 was $2.1 million, an increase of $183,000 compared to the same period in 2016. Provision expense for the nine months ended September 30, 2017, was $7.3 million, compared to $3.2 million during the same period of 2016. The increase in provision expense for the three and nine months ended September 30, 2017, compared to the same periods in 2016, was primarily due to organic loan growth in 2017. Additional details are discussed within the “LOAN QUALITY/PROVISION FOR LOAN LOSSES” section of Management’s Discussion and Analysis of Financial Condition and Results of Operations of this Quarterly Report on Form 10-Q.

As of September 30, 2017, total deposits equaled $6.9 billion, an increase of $1.4 billion from December 31, 2016. The Arlington Bank and IAB acquisitions resulted in $252.8 million and $862.3 million of additional deposits, respectively. The largest increases from December 31, 2016 were in demand and savings deposits.

Total borrowings increased $94.4 million as of September 30, 2017, compared to December 31, 2016, primarily as Federal Home Loan Bank advances increased $107.9 million. The IAB acquisition resulted in $47.6 million of additional Federal Home Loan Bank advances and the remaining increase resulted from liquidity needed to fund organic loan growth. Offsetting this increase was a decrease in federal funds purchased and securities sold under repurchase agreements of $20.3 million and $4.4 million, respectively.

The Corporation was able to maintain all regulatory capital ratios in excess of the regulatory definition of “well-capitalized” as discussed in the “CAPITAL” section of Management’s Discussion and Analysis of Financial Condition and Results of Operations of this Quarterly Report on Form 10-Q.

44

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

NET INTEREST INCOME

Net interest income is the most significant component of our earnings, comprising 79 percent of revenues for the nine months ended September 30, 2017. Net interest income and margin are influenced by many factors, primarily the volume and mix of earnings assets, funding sources, and interest rate fluctuations. Other factors include the level of accretion income on purchased loans, prepayment risk on mortgage and investment-related assets, and the composition and maturity of earning assets and interest-bearing liabilities. Loans typically generate more interest income than investment securities with similar maturities. Funding from client deposits generally costs less than wholesale funding sources. Factors such as general economic activity, Federal Reserve Board monetary policy, and price volatility of competing alternative investments, can also exert significant influence on our ability to optimize the mix of assets and funding and the net interest income and margin.

Net interest income is the excess of interest received from earning assets over interest paid on interest-bearing liabilities. For analytical purposes, net interest income is also presented on an FTE basis in the table that follows to reflect what our tax-exempt assets would need to yield in order to achieve the same after-tax yield as a taxable asset. The federal statutory rate in effect of 35 percent was used for all periods, adjusted for the TEFRA interest disallowance applicable to certain tax-exempt obligations. This analysis portrays the income tax benefits associated in tax-exempt assets and helps to facilitate a comparison between taxable and tax-exempt assets. Management believes that it is a standard practice in the banking industry to present net interest margin and net interest income on a fully taxable equivalent basis. Therefore, management believes these measures provide useful information for both management and investors by allowing them to make peer comparisons.

For the periods presented, the increases in net interest income were primarily driven by the increase in earning assets attributable to the July 2017 IAB acquisition and May 2017 Arlington Bank acquisition, in addition to, core organic loan growth. Additionally, the recent increases in the federal funds rate have contributed positively to net interest income and net interest margin. Details regarding the IAB and Arlington Bank acquisitions are discussed in NOTE 2. ACQUISITIONS, in the Notes to Consolidated Financial Statements of this Quarterly Report on Form 10-Q.

Net interest margin for the third quarter of 2017 increased to 4.03 percent compared to the third quarter of 2016 at 3.94 percent. Asset yields increased 19 basis points FTE and interest costs increased 10 basis points, resulting in a 9 basis point FTE increase in net interest income as compared to the same period in 2016.

Average earning assets increased $1,642,197,000 in the third quarter of 2017 compared to the third quarter of 2016. The increase in earning assets is attributable to the IAB acquisition which totaled $983,076,000 and the Arlington Bank acquisition which totaled $233,689,000. The Corporation recognized fair value accretion income on purchased loans, which is included in interest income, of $3,237,000 and $3,806,000, respectively, for the three months ended September 30, 2017 and 2016.

Net interest margin for the nine months ended September 30, 2017 increased to 3.98 percent compared to the nine months ended September 30, 2016 at 3.88 percent, as earning assets increased by $947,707,000. Asset yields increased 15 basis points FTE and interest costs increased 5 basis points, resulting in a 10 basis point FTE increase in net interest income as compared to the same period in 2016. As a result of the Corporation's acquisitions, fair value accretion income was recognized on purchased loans, which is included in interest income, of $9,809,000 and $9,508,000, respectively, for the nine months ended September 30, 2017 and 2016.

Additional details of the Corporation's remaining loan fair value discount, accretable and nonaccretable yield can be found in NOTE 5. ACCOUNTING FOR CERTAIN LOANS ACQUIRED IN A PURCHASE, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

45

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following table presents the Corporation’s average balance sheet, interest income/interest expense, and the average rate as a percent of average earning assets/liabilities for the three months ended September 30, 2017, and 2016.

(Dollars in Thousands)	Three Months Ended
	September 30, 2017							September 30, 2016
	Average Balance			Interest  Income / Expense		Average Rate		Average Balance			Interest  Income / Expense		Average Rate
Assets:
Interest-bearing time deposits	$	139,905		$	284	0.81	%	$	54,120		$	55	0.40	%
Federal Reserve and Federal Home Loan Bank stock	23,146			242		4.18		18,095			193		4.24
Investment Securities: (1)
Taxable	718,965			4,524		2.52		729,223			3,992		2.18
Tax-Exempt (2)	645,577			8,392		5.20		559,845			7,182		5.10
Total Investment Securities	1,364,542			12,916		3.79		1,289,068			11,174		3.45
Loans held for sale	8,117			136		6.70		742			73		39.14
Loans: (3)
Commercial	4,556,653			55,266		4.85		3,556,187			41,653		4.66
Real Estate Mortgage	785,317			8,596		4.38		567,015			6,521		4.58
Installment	595,164			7,494		5.04		493,807			5,572		4.49
Tax-Exempt (2)	367,559			4,385		4.77		219,172			2,537		4.60
Total Loans	6,312,810			75,877		4.81		4,836,923			56,356		4.64
Total Earning Assets	7,840,403			89,319		4.56		6,198,206			67,778		4.37
Net unrealized gain on securities available for sale	7,733							11,738
Allowance for loan losses	(71,753		)					(62,453		)
Cash and cash equivalents	129,058							102,023
Premises and equipment	101,979							95,541
Other assets	786,246							562,248
Total Assets	$	8,793,666						$	6,907,303
Liabilities:
Interest-bearing deposits:
Interest-bearing NOW deposits	$	1,834,965		$	1,706	0.37	%	$	1,454,992		$	669	0.18	%
Money market deposits	990,682			747		0.30		793,173			384		0.19
Savings deposits	887,201			203		0.09		754,401			171		0.09
Certificates and other time deposits	1,450,448			4,054		1.12		1,128,595			2,702		0.95
Total Interest-bearing Deposits	5,163,296			6,710		0.52		4,131,161			3,926		0.38
Borrowings	694,203			3,717		2.14		521,125			2,768		2.11
Total Interest-bearing Liabilities	5,857,499			10,427		0.71		4,652,286			6,694		0.57
Noninterest-bearing deposits	1,626,757							1,297,292
Other liabilities	64,938							60,791
Total Liabilities	7,549,194							6,010,369
Stockholders' Equity	1,244,472							896,934
Total Liabilities and Stockholders' Equity	$	8,793,666		10,427		0.53		$	6,907,303		6,694		0.43
Net Interest Income				$	78,892						$	61,084
Net Interest Margin						4.03	%						3.94	%
(1) Average balance of securities is computed based on the average of the historical amortized cost balances without the effects of the fair value adjustments. Annualized amounts are computed utilizing a 30/360 day basis.
(2)  Tax-exempt securities and loans are presented on a fully taxable equivalent basis, using a marginal tax rate of 35 percent for 2017 and 2016. These totals equal $4,472 and $3,402 for the three months ended September 30, 2017 and 2016, respectively.
(3) Non-accruing loans have been included in the average balances.

46

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following table presents the Corporation’s average balance sheet, interest income/interest expense, and the average rate as a percent of average earning assets/liabilities for the nine months ended September 30, 2017, and 2016.

(Dollars in Thousands)	Nine Months Ended
	September 30, 2017							September 30, 2016
	Average Balance			Interest  Income / Expense		Average Rate		Average Balance			Interest  Income / Expense		Average Rate
Assets:
Interest-bearing time deposits	$	71,456		$	442	0.82	%	$	76,440		$	283	0.49	%
Federal Reserve and Federal Home Loan Bank stock	19,941			635		4.25		26,359			906		4.59
Investment Securities: (1)
Taxable	716,118			13,012		2.42		725,311			12,522		2.31
Tax-Exempt (2)	609,658			23,922		5.23		539,996			21,169		5.24
Total Investment Securities	1,325,776			36,934		3.71		1,265,307			33,691		3.56
Loans held for sale	4,875			245		6.70		3,541			291		10.98
Loans: (3)
Commercial	4,085,901			144,759		4.72		3,502,715			121,017		4.62
Real Estate Mortgage	660,435			21,946		4.43		570,330			19,032		4.46
Installment	558,106			20,284		4.85		473,645			16,067		4.53
Tax-Exempt (2)	338,169			11,809		4.66		198,615			6,814		4.58
Total Loans	5,647,486			199,043		4.70		4,748,846			163,221		4.59
Total Earning Assets	7,064,659			237,054		4.47	%	6,116,952			198,101		4.32	%
Net unrealized gain on securities available for sale	4,437							10,892
Allowance for loan losses	(69,269		)					(62,633		)
Cash and cash equivalents	128,866							102,767
Premises and equipment	95,707							96,284
Other assets	642,243							572,150
Total Assets	$	7,866,643						$	6,836,412
Liabilities:
Interest-bearing deposits:
Interest-bearing NOW deposits	$	1,649,175		$	3,632	0.29	%	$	1,395,036		$	1,850	0.18	%
Money market deposits	894,450			1,688		0.25		835,968			1,377		0.22
Savings deposits	818,800			520		0.08		720,375			455		0.08
Certificates and other time deposits	1,299,932			10,131		1.04		1,157,992			8,346		0.96
Total Interest-bearing Deposits	4,662,357			15,971		0.46		4,109,371			12,028		0.39
Borrowings	659,260			10,058		2.03		506,077			8,180		2.16
Total Interest-bearing Liabilities	5,321,617			26,029		0.65		4,615,448			20,208		0.58
Noninterest-bearing deposits	1,445,685							1,279,404
Other liabilities	50,921							63,258
Total Liabilities	6,818,223							5,958,110
Stockholders' Equity	1,048,420							878,302
Total Liabilities and Stockholders' Equity	$	7,866,643		26,029		0.49		$	6,836,412		20,208		0.44
Net Interest Income				$	211,025						$	177,893
Net Interest Margin						3.98	%						3.88	%
(1)  Average balance of securities is computed based on the average of the historical amortized cost balances without the effects of the fair value adjustments. Annualized amounts are computed utilizing a 30/360 day basis.
(2)  Tax-exempt securities and loans are presented on a fully taxable equivalent basis, using a marginal tax rate of 35 percent for 2017 and 2016. These totals equal $12,506 and $9,794 for the nine months ended September 30, 2017 and 2016, respectively.
(3)  Non-accruing loans have been included in the average balances.

47

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

NON-INTEREST INCOME

Non-interest income increased $1.8 million, or 10.7 percent, in the third quarter of 2017, compared to the third quarter of 2016.  The larger customer base resulting from the Arlington Bank and IAB acquisitions, as well as organic growth, contributed to an increase in other customer fees, fiduciary activities, service charges and net gains and fees on sales of loans of $1.8 million in the third quarter of 2017 when compared to the same period in 2016. Additionally, in the third quarter of 2017, gains on life insurance benefits increased $809,000 when compared to the third quarter of 2016. Details of the Corporation's acquisitions can be found in NOTE 2. ACQUISITIONS, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

These increases were partially offset by decreases in net realized gains on sales of available for sale securities and other income of $507,000 and $463,000, respectively.

During the first nine months of 2017, non-interest income increased $2.9 million, or 5.8 percent, over the same period in 2016. The larger customer base resulting from the Arlington Bank and IAB acquisitions, as well as organic growth, contributed to an increase in other customer fees, fiduciary activities and service charges of $2.5 million in the first nine months of 2017 when compared to the same period in 2016. Additionally, in the first nine months of 2017, gains on life insurance benefits were $2.7 million compared to $603,000 in the same period of 2016, resulting in an increase of $2.1 million.

These increases were partially offset by decreases in net realized gains on sales of available for sale securities and other income of $1.0 million and $623,000, respectively, in the first nine months of 2017 when compared to the same period of 2016.

NON-INTEREST EXPENSE

Non-interest expense increased $14.6 million, or 33.1 percent, in the third quarter of 2017, compared to the third quarter of 2016.  The acquisitions of Arlington Bank and IAB were the largest contributing factor for the increase. In the third quarter of 2017, the Corporation recorded $7.9 million of acquisition-related expenses, primarily consisting of $3.0 million of contract termination and conversion expenses, $1.6 million of employee severance and retention expenses and $1.0 million of other outside services and professional expenses. Additionally, the larger franchise and growth in our customer base as a result of the acquisitions resulted in non-interest expenses from IAB and Arlington Bank operations of $3.3 million and $1.2 million, respectively, in the third quarter of 2017, compared to the same period in 2016. The largest non-interest expenses impacted were salaries and employee benefits, net occupancy, equipment, outside data processing, and other expenses. Intangible asset amortization increased $720,000 due to amortization recorded in the third quarter of 2017 related to the Arlington Bank and IAB intangibles.

During the first nine months of 2017, non-interest expense increased $13.7 million, or 10.1 percent, when compared to the first nine months of 2016. The acquisitions of Arlington Bank and IAB were the largest contributing factor for the increase. In the first nine months of 2017, the Corporation recorded $10.8 million of acquisition-related expenses, for both Arlington Bank and IAB, primarily consisting of contract termination and conversion expenses, employee severance and retention expenses and other outside services and professional expenses. Additionally, the larger franchise and growth in our customer base as a result of the acquisitions resulted in non-interest expenses from IAB and Arlington Bank operations of $3.3 million and $1.8 million, respectively, in the first nine months of 2017, compared to the same period in 2016. The largest non-interest expenses impacted were salaries and employee benefits, net occupancy, outside data processing and professional and other outside services. Intangible asset amortization increased $659,000 due to amortization recorded in the first nine months of 2017 related to the Arlington Bank and IAB intangibles.

In the first nine months of 2017, the Corporation's continued focus on asset quality resulted in a decline in other real estate owned and foreclosure expenses of $711,000, compared to the same period in 2016. FDIC expense for the nine months ended September 30, 2017 decreased $633,000 from the same period in 2016 as a result of the third quarter 2016 FDIC assessment change for banks under $10 billion in total assets. Additionally, in 2016, the Bank converted its banking charter from a national association, regulated by the Office of the Comptroller of the Currency, to an Indiana state-chartered bank, regulated by the Indiana DFI, resulting in a $508,000 reduction in examination fees compared to the same period in 2016.

INCOME TAXES

Income tax expense for the third quarter of 2017 was $7,939,000 on pre-tax net income of $32,297,000.  For the same period in 2016, income tax expense was $7,469,000 on pre-tax net income of $28,528,000. The effective income tax rates for the third quarter of 2017 and 2016 were 24.6 percent and 26.2 percent, respectively.

Income tax expense for the nine months ended September 30, 2017 was $22,314,000 on pre-tax net income of $94,001,000.  For the same period in 2016, income tax expense was $19,759,000 on pre-tax net income of $78,517,000. The effective income tax rates for the nine months ended September 30, 2017 and 2016 were 23.7 percent and 25.2 percent, respectively.

48

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The lower effective income tax rate during the three months ended September 30, 2017 when compared to the same period in 2016 was primarily a result of increases in tax-exempt interest income and tax-exempt earnings and gains on life insurance. The lower effective income tax rate during the nine months ended September 30, 2017 when compared to the same period in 2016 was primarily due to increases in tax-exempt interest income and tax-exempt earnings and gains on life insurance coupled with the tax benefit from share-based compensation upon adoption of ASU 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. This ASU requires all income tax effects of awards to be recognized as income tax expense or benefit in the income statement when the awards vest or are settled. Implementation of the ASU was effective January 1, 2017 and resulted in approximately $846,000 of income tax benefit in the first nine months of 2017.

The detailed reconciliation of federal statutory to actual tax expense is shown in NOTE 13. INCOME TAX, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

CAPITAL

Stockholders' Equity

On May 1, 2017, the shareholders of the Corporation approved amendments to the Corporation's Articles of Incorporation to (i) increase the number of shares of common stock which it is authorized to issue from 50,000,000 to 100,000,000 shares; and (ii) eliminate the designations for the Fixed Rate Cumulative Perpetual Preferred Stock, Series A, and the Senior Non-Cumulative Perpetual Preferred Stock, Series B, neither of which Series had any outstanding shares.

On May 19, 2017, the Corporation acquired 100 percent of Arlington Bank. Pursuant to the merger agreement, each Arlington Bank shareholder received 2.7245 shares of the Corporation's common stock for each outstanding share of Arlington Bank common stock held. The Corporation issued approximately 2.1 million shares of common stock, which was valued at approximately $82.6 million. Details regarding the Arlington Bank acquisition are discussed in NOTE 2. ACQUISITIONS, in the Notes to Consolidated Financial Statements of this Quarterly Report on Form 10-Q.

On November 21, 2016, the Corporation purchased 495,112 shares, or 12.1 percent, of IAB's outstanding common stock from an IAB shareholder for $19.8 million. On July 14, 2017, the Corporation acquired the remaining shares of IAB common stock. Pursuant to the merger agreement, each IAB shareholder received 1.653 shares of the Corporation's common stock for each outstanding share of IAB common stock held. The Corporation issued approximately 6.0 million shares of common stock. The transaction value for the remaining shares of common stock, not owned by the Corporation, was approximately $238.8 million, resulting in a total purchase price of $258.6 million.

Regulatory Capital

Capital adequacy is an important indicator of financial stability and performance.  The Corporation and the Bank are subject to various regulatory capital requirements administered by the federal banking agencies and are assigned to a capital category.  The assigned capital category is largely determined by four ratios that are calculated according to the regulations: total risk-based capital, tier 1 risk-based capital, CET1, and tier 1 leverage ratios. The ratios are intended to measure capital relative to assets and credit risk associated with those assets and off-balance sheet exposures of the entity.  The capital category assigned to an entity can also be affected by qualitative judgments made by regulatory agencies about the risk inherent in the entity's activities that are not part of the calculated ratios.  

There are five capital categories defined in the regulations, ranging from well capitalized to critically undercapitalized. Classification of a bank in any of the undercapitalized categories can result in actions by regulators that could have a material effect on a bank's operations. Quantitative measures established by regulation to ensure capital adequacy require the Bank to maintain minimum amounts and ratios of total and tier 1 capital to risk-weighted assets, and of tier 1 capital to average assets, or leverage ratio, all of which are calculated as defined in the regulations.  Banks with lower capital levels are deemed to be undercapitalized, significantly undercapitalized or critically undercapitalized, depending on their actual levels.  The appropriate federal regulatory agency may also downgrade a bank to the next lower capital category upon a determination that the bank is in an unsafe or unsound practice.  Banks are required to monitor closely their capital levels and to notify their appropriate regulatory agency of any basis for a change in capital category.

Basel III was effective for the Corporation on January 1, 2015. Basel III requires the Corporation and the Bank to maintain minimum amounts and ratio of CET1 capital to risk weighted assets, as defined in the regulation. Under the new Basel III rules, in order to avoid limitations on capital distributions, including dividends, the Corporation must hold a capital conservation buffer above the adequately capitalized CET1 to risk-weighted assets ratio. The capital conservation buffer is being phased in from zero percent to 2.50 percent by 2019. As of January 1, 2017, the Corporation is required to hold a capital conservation buffer of 1.25 percent, increasing by 0.625 percent each successive year until 2019. Under Basel III, the Corporation and Bank elected to opt-out of including accumulated other comprehensive income in regulatory capital.

49

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

As of September 30, 2017, the Bank met all capital adequacy requirements to be considered well capitalized. There is no threshold for well capitalized status for bank holding companies. The Corporation's and Bank's actual and required capital ratios as of September 30, 2017 and December 31, 2016 were as follows:

					Prompt Corrective Action Thresholds
	Actual				Adequately Capitalized				Well Capitalized
September 30, 2017	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total risk-based capital to risk-weighted assets
First Merchants Corporation	$	1,031,491	13.76	%	$	599,786	8.00	%	N/A		N/A
First Merchants Bank	999,634		13.22		604,876		8.00		$	756,095	10.00	%
Tier 1 capital to risk-weighted assets
First Merchants Corporation	$	893,137	11.91	%	$	449,839	6.00	%	N/A		N/A
First Merchants Bank	926,280		12.25		453,657		6.00		$	604,876	8.00	%
CET1 capital to risk-weighted assets
First Merchants Corporation	$	827,273	11.03	%	$	337,379	4.50	%	N/A		N/A
First Merchants Bank	926,280		12.25		340,243		4.50		$	491,461	6.50	%
Tier 1 capital to average assets
First Merchants Corporation	$	893,137	10.72	%	$	333,263	4.00	%	N/A		N/A
First Merchants Bank	926,280		11.10		333,764		4.00		$	417,206	5.00	%

					Prompt Corrective Action Thresholds
	Actual				Adequately Capitalized				Well Capitalized
December 31, 2016	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total risk-based capital to risk-weighted assets
First Merchants Corporation	$	851,521	14.21	%	$	479,470	8.00	%	N/A		N/A
First Merchants Bank	800,598		13.30		481,490		8.00		$	601,862	10.00	%
Tier 1 capital to risk weighted assets
First Merchants Corporation	$	720,484	12.02	%	$	359,603	6.00	%	N/A		N/A
First Merchants Bank	734,561		12.20		361,117		6.00		$	481,490	8.00	%
CET1 capital to risk-weighted assets
First Merchants Corporation	$	665,445	11.10	%	$	269,702	4.50	%	N/A		N/A
First Merchants Bank	734,561		12.20		270,838		4.50		$	391,210	6.50	%
Tier 1 capital to average assets
First Merchants Corporation	$	720,484	10.54	%	$	273,456	4.00	%	N/A		N/A
First Merchants Bank	734,561		10.78		272,461		4.00		$	340,576	5.00	%

Management believes that all of the above capital ratios are meaningful measurements for evaluating the safety and soundness of the Corporation. Traditionally, the banking regulators have assessed bank and bank holding company capital adequacy based on both the amount and the composition of capital, the calculation of which is prescribed in federal banking regulations. The Federal Reserve focuses its assessment of capital adequacy on a component of Tier 1 capital known as CET1. Because the Federal Reserve has long indicated that voting common shareholders' equity (essentially Tier 1 risk-based capital less preferred stock and non-controlling interest in subsidiaries) generally should be the dominant element in Tier 1 risk-based capital, this focus on CET1 is consistent with existing capital adequacy categories. Tier I regulatory capital consists primarily of total stockholders’ equity and subordinated debentures issued to business trusts categorized as qualifying borrowings, less non-qualifying intangible assets and unrealized net securities gains or losses.

Additionally, management believes the following tables are also meaningful when considering performance measures of the Corporation. Non-GAAP financial measures such as tangible book value per common share, tangible common equity to tangible assets, return on average tangible capital and return on average tangible assets are important measures of the strength of the Corporation's capital and ability to generate earnings on tangible common equity invested by our shareholders. These non-GAAP measures provide useful supplemental information and may assist investors in analyzing the Corporation’s financial position without regard to the effects of intangible assets and preferred stock. Disclosure of these measures also allows analysts and banking regulators to assess our capital adequacy on these same bases.

Because these measures are not defined in GAAP or federal banking regulations, they are considered non-GAAP financial measures. Non-GAAP financial measures have inherent limitations, are not required to be uniformly applied, and are not audited. Although these non-GAAP financial measures are frequently used by investors to evaluate a company, they have limitations as analytical tools, and should not be considered in isolation, or as a substitute for analyses of results as reported under GAAP.

50

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

	September 30, 2017						December 31, 2016
	First Merchants Corporation			First Merchants Bank			First Merchants Corporation			First Merchants Bank
Total Risk-Based Capital
Total Stockholders' Equity (GAAP)	$	1,283,120		$	1,384,867		$	901,657		$	973,641
Adjust for Accumulated Other Comprehensive (Income) Loss (1)	6,358			3,170			13,581			9,701
Less: Preferred Stock	(125		)	(125		)	(125		)	(125		)
Add: Qualifying Capital Securities	65,864						55,415
Less: Tier 1 Capital Deductions							(376		)
Less: Disallowed Goodwill and Intangible Assets	(462,080		)	(461,632		)	(249,104		)	(248,656		)
Less: Disallowed Deferred Tax Assets							(564		)
Total Tier 1 Capital (Regulatory)	893,137			926,280			720,484			734,561
Qualifying Subordinated Debentures	65,000						65,000
Allowance for Loan Losses Includible in Tier 2 Capital	73,354			73,354			66,037			66,037
Total Risk-Based Capital (Regulatory)	$	1,031,491		$	999,634		$	851,521		$	800,598
Net Risk-Weighted Assets (Regulatory)	$	7,497,321		$	7,560,946		$	5,993,381		$	6,018,623
Average Assets	$	8,331,586		$	8,344,112		$	6,836,412		$	6,811,519
Total Risk-Based Capital Ratio (Regulatory)	13.76		%	13.22		%	14.21		%	13.30		%
Tier 1 Capital to Risk-Weighted Assets	11.91		%	12.25		%	12.02		%	12.20		%
Tier 1 Capital to Average Assets	10.72		%	11.10		%	10.54		%	10.78		%
CET1 Capital Ratio
Total Tier 1 Capital (Regulatory)	$	893,137		$	926,280		$	720,484		$	734,561
Less: Qualified Capital Securities	(65,864		)				(55,415		)
Add: Additional Tier 1 Capital Deductions	—						376
CET1 Capital (Regulatory)	$	827,273		$	926,280		$	665,445		$	734,561
Net Risk-Weighted Assets (Regulatory)	$	7,497,321		$	7,560,946		$	5,993,381		$	6,018,623
CET1 Capital Ratio (Regulatory)	11.03		%	12.25		%	11.10		%	12.20		%

⁽¹⁾ Includes net unrealized gains or losses on available for sale securities, net gains or losses on cash flow hedges, and amounts resulting from the application of the applicable accounting guidance for defined benefit and other postretirement plans.

The Corporation had a strong capital position as evidenced by the tangible common equity to tangible assets ratio of 9.39 percent at September 30, 2017, and 9.24 percent at December 31, 2016.

	Tangible Common Equity to Tangible Assets (non-GAAP)
(Dollars in Thousands, Except Per Share Amounts)	September 30, 2017			December 31, 2016
Total Stockholders' Equity (GAAP)	$	1,283,120		$	901,657
Less: Cumulative preferred stock (GAAP)	(125		)	(125		)
Less: Intangible assets (GAAP)	(478,558		)	(258,866		)
Tangible common equity (non-GAAP)	$	804,437		$	642,666
Total assets (GAAP)	$	9,049,403		$	7,211,611
Less: Intangible assets (GAAP)	(478,558		)	(258,866		)
Tangible assets (non-GAAP)	$	8,570,845		$	6,952,745
Tangible common equity to tangible assets (non-GAAP)	9.39		%	9.24		%

51

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following table details and reconciles tangible earnings per share, return on tangible capital and tangible assets to traditional GAAP measures for the three and nine months ended September 30, 2017 and 2016.

	Three Months Ended September 30,						Nine Months Ended September 30,
(Dollars in Thousands, Except Per Share Amounts)	2017			2016			2017			2016
Average goodwill (GAAP)	$	422,609		$	244,000		$	311,838		$	244,000
Average core deposit intangible (GAAP)	31,859			16,288			20,638			17,303
Average deferred tax on CDI (GAAP)	(11,932		)	(6,324		)	(8,001		)	(6,608		)
Intangible adjustment (non-GAAP)	$	442,536		$	253,964		$	324,475		$	254,695
Average stockholders' equity (GAAP)	$	1,244,472		$	896,934		$	1,048,420		$	878,302
Average cumulative preferred stock (GAAP)	(125		)	(125		)	(125		)	(125		)
Intangible adjustment (non-GAAP)	(442,536		)	(253,964		)	(324,475		)	(254,695		)
Average tangible capital (non-GAAP)	$	801,811		$	642,845		$	723,820		$	623,482
Average assets (GAAP)	$	8,793,666		$	6,907,303		$	7,866,643		$	6,836,412
Intangible adjustment (non-GAAP)	(442,536		)	(253,964		)	(324,475		)	(254,695		)
Average tangible assets (non-GAAP)	$	8,351,130		$	6,653,339		$	7,542,168		$	6,581,717
Net income available to common stockholders (GAAP)	$	24,358		$	21,059		$	71,687		$	58,758
CDI amortization, net of tax (GAAP)	1,103			636			2,334			1,906
Tangible net income available to common stockholders (non-GAAP)	$	25,461		$	21,695		$	74,021		$	60,664
Per Share Data:
Diluted net income available to common stockholders (GAAP)	$	0.50		$	0.51		$	1.63		$	1.43
Diluted tangible net income available to common stockholders (non-GAAP)	$	0.52		$	0.53		$	1.68		$	1.48
Ratios:
Return on average GAAP capital (ROE)	7.83		%	9.39		%	9.12		%	8.92		%
Return on average tangible capital	12.70		%	13.50		%	13.64		%	12.97		%
Return on average assets (ROA)	1.11		%	1.22		%	1.22		%	1.15		%
Return on average tangible assets	1.22		%	1.30		%	1.31		%	1.23		%

Return on average tangible capital is tangible net income available to common stockholders (annualized) expressed as a percentage of average tangible capital.  Return on average tangible assets is tangible net income available to common stockholders (annualized) expressed as a percentage of average tangible assets.

LOAN QUALITY/PROVISION FOR LOAN LOSSES

The Corporation’s primary lending focus is small business and middle market commercial, commercial real estate and residential real estate, which results in portfolio diversification.  Commercial loans are individually underwritten and judgmentally risk rated.  They are periodically monitored and prompt corrective actions are taken on deteriorating loans.  Retail loans are typically underwritten with statistical decision-making tools and are managed throughout their life cycle on a portfolio basis.

Loan Quality

The quality of the loan portfolio and the amount of non-performing loans may increase or decrease as a result of acquisitions, organic portfolio growth, problem loan recognition and resolution through collections, sales or charge-offs. The performance of any loan can be affected by external factors such as economic conditions, or internal factors specific to a particular borrower, such as the actions of a customer's internal management.

At September 30, 2017, non-performing loans totaled $32,879,000, a decrease of $1,886,000 from December 31, 2016, but an increase of $5,148,000 from June 30, 2017. Loans not accruing interest income totalied $32,253,000 at September 30, 2017, an increase of $2,255,000 from December 31, 2016. The Corporation’s coverage ratio of allowance for loan losses to non-accrual loans increased from 220.1 percent at December 31, 2016 to 227.4 percent at September 30, 2017. This non-accrual coverage ratio at June 30, 2017 was 257.7 percent. See additional information regarding the allowance for loan losses in the “Provision for Loan Losses” section of Management’s Discussion and Analysis of Financial Condition and Results of Operations included as ITEM 2 of this Quarterly Report on Form 10-Q.

Other real estate owned, totaling $11,912,000 at September 30, 2017, increased $19,000 from June 30, 2017 and $2,946,000 from December 31, 2016. For other real estate owned, current appraisals are obtained to determine fair value as management continues to aggressively market these real estate assets.

Commercial impaired loans include non-accrual loans, loans accounted for under ASC 310-30, as well as substandard, doubtful, and loss grade loans that were still accruing but deemed impaired according to guidance set forth in ASC 310. Also included in impaired loans are accruing loans contractually past due 90 days or more and troubled debt restructure loans.

52

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

A loan is deemed impaired when, based on current information or events, it is probable that all amounts due of principal and interest according to the contractual terms of the loan agreement will not be collected substantially within the contractual terms of the note.  At September 30, 2017, commercial impaired loans totaled $54,479,000, a decrease of $17,571,000 from the December 31, 2016 balance of $72,050,000. At September 30, 2017, a specific allowance for losses was not deemed necessary for commercial impaired loans totaling $49,999,000 as there were no identified losses on these credits. An allowance of $1,399,000 was recorded for the remaining balance of these commercial impaired loans totaling $5,480,000 and was included in the Corporation’s allowance for loan losses. Also included in the allowance for loan losses were specific reserves for consumer troubled debt restructure loans totaling $389,000.

At September 30, 2017, non-performing assets (which includes non-accrual loans, renegotiated loans, and other real estate owned, plus accruing loans 90-days or more delinquent) totaled $45,216,000, representing an increase of $1,393,000 from December 31, 2016 as displayed in the table below.

(Dollars in Thousands)	September 30, 2017		December 31, 2016
Non-Performing Assets plus loans 90+ Days Delinquent:
Non-accrual loans	$	32,253	$	29,998
Renegotiated loans	626		4,747
Non-performing loans (NPL)	32,879		34,745
Other real estate owned	11,912		8,966
Non-performing assets (NPA)	44,791		43,711
90+ days delinquent and accruing	425		112
Non-performing assets plus loans 90+ days delinquent	$	45,216	$	43,823
Impaired Loans	$	54,479	$	72,050

The non-accrual balances in the table above include troubled debt loan restructures totaling $2,939,000 and $4,478,000 as of September 30, 2017 and December 31, 2016, respectively.

The composition of non-performing assets plus accruing loans 90-days or more delinquent is reflected in the following table.

(Dollars in Thousands)	September 30, 2017		December 31, 2016
Non-Performing Assets plus loans 90+ Days Delinquent:
Commercial and industrial loans	$	4,940	$	2,138
Agricultural production financing and other loans to farmers	1,282		1,341
Real estate loans:
Construction	3,732		5,312
Commercial and farmland	19,560		22,362
Residential	13,456		10,943
Home equity	2,175		1,688
Individuals' loans for household and other personal expenditures	71		39
Non-performing assets plus loans 90+ days delinquent	$	45,216	$	43,823

Although the Corporation believes its underwriting and loan review procedures are appropriate for the various kinds of loans it makes, its results of operations and financial condition could be adversely affected in the event the quality of its loan portfolio declines.  Deterioration in the economic environment including residential and commercial real estate values may result in increased levels of loan delinquencies and credit losses.

53

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Provision and Allowance for Loan Losses

The allowance for loan losses is maintained through the provision for loan losses, which is a charge against earnings. Based on management’s judgment as to the appropriate level of the allowance for loan losses, the amount provided in any period may be greater or less than net loan losses for the same period. The determination of the provision amount and the adequacy of the allowance in any period is based on management’s continuing review and evaluation of the loan portfolio, including an internally administered loan "watch" list and independent loan reviews. The evaluation also takes into consideration identified credit problems, portfolio growth, management's judgment as to the impact of current economic conditions on the portfolio and the possibility of losses inherent in the loan portfolio that are not specifically identified.

In conformance with ASC 805 and ASC 820, loans purchased after December 31, 2008 are recorded at the acquisition date fair value. Such loans are included in the allowance to the extent a specific impairment is identified that exceeds the fair value adjustment on an impaired loan. An allowance may also be necessary if the historical loss and environmental factor analysis indicates losses inherent in a purchased portfolio exceed the fair value adjustment on the portion of the purchased portfolio not deemed impaired.

At September 30, 2017, the allowance for loan losses was $73,354,000, an increase of $7,317,000 from December 31, 2016. As a percent of loans, the allowance was 1.13 percent at September 30, 2017, compared to 1.28 percent at December 31, 2016 and 1.28 percent at September 30, 2016. The provision for loan losses for the three months and nine months ended September 30, 2017 was $2,083,000 and $7,343,000, respectively, and was primarily a result of organic loan growth during the periods. Comparatively, the provision for loan losses for the three months and nine months ended September 30, 2016 was $1,900,000 and $3,240,000, respectively. Specific reserves on impaired loans increased $900,000 from $888,000 at December 31, 2016, to $1,788,000 at September 30, 2017.

Net recoveries totaling $800,000 were recognized for the three months ended September 30, 2017. Comparatively, the same period in 2016 had net charge-offs of $630,000.  For the nine months ended September 30, 2017, there were no charge-offs greater than $500,000, but there were two recoveries greater than $500,000 totaling $1,700,000. One recovery of $1,100,000 occurred during the three months ended September 30, 2017. For the nine months ended September 30, 2016, there were two charge-offs greater than $500,000 totaling $1,917,000 and one recovery greater than $500,000 totaling $604,000. The distribution of the net charge-offs (recoveries) for the three and nine months ended September 30, 2017 and 2016 are reflected in the following table:

	Three Months Ended September 30,						Nine Months Ended September 30,
(Dollars in Thousands)	2017			2016			2017			2016
Net Charge-Offs (Recoveries):
Commercial and industrial loans	$	144		$	545		$	350		$	1,189
Agricultural production financing and other loans to farmers							(58		)	53
Real estate loans:
Construction	(1		)	(21		)	(28		)	(3		)
Commercial and farmland	(1,136		)	(58		)	(1,035		)	203
Residential	60			80			154			502
Home equity	10			71			434			199
Individuals' loans for household and other personal expenditures	123			13			209			95
Other commercial loans										(1		)
Total Net Charge-Offs	$	(800	)	$	630		$	26		$	2,237

Management continually evaluates the commercial loan portfolio by including consideration of specific borrower cash flow analysis and estimated collateral values, types and amounts on non-performing loans, past and anticipated loan loss experience, changes in the composition of the loan portfolio, and the current condition and amount of loans outstanding. The determination of the provision for loan losses in any period is based on management’s continuing review and evaluation of the loan portfolio, and its judgment as to the impact of current economic conditions on the portfolio.

LIQUIDITY

Liquidity management is the process by which the Corporation ensures that adequate liquid funds are available for the holding company and its subsidiaries. These funds are necessary in order to meet financial commitments on a timely basis. These commitments include withdrawals by depositors, funding credit obligations to borrowers, paying dividends to stockholders, paying operating expenses, funding capital expenditures, and maintaining deposit reserve requirements. Liquidity is monitored and closely managed by the asset/liability committee.

The Corporation’s liquidity is dependent upon the receipt of dividends from the Bank, which is subject to certain regulatory limitations and access to other funding sources.  Liquidity of the Bank is derived primarily from core deposit growth, principal payments received on loans, the sale and maturity of investment securities, net cash provided by operating activities, and access to other funding sources.

The principal source of asset-funded liquidity is investment securities classified as available for sale, the market values of which totaled $890,721,000 at September 30, 2017, an increase of $193,859,000, or 27.82 percent, from December 31, 2016.  Securities classified as held to maturity that are maturing within a short period of time can also be a source of liquidity. Securities classified as held to maturity and that are maturing in one year or less totaled $7,329,000 at September 30, 2017. In addition, other types of assets such as cash and interest-bearing deposits with other banks, federal funds sold and loans maturing within one year are sources of liquidity.

54

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The most stable source of liability-funded liquidity for both the long-term and short-term is deposit growth and retention in the core deposit base.  Federal funds purchased and securities sold under agreements to repurchase are also considered a source of liquidity. In addition, FHLB advances are utilized as funding sources.  At September 30, 2017, total borrowings from the FHLB were $406,820,000. The Bank has pledged certain mortgage loans and investments to the FHLB. The total available remaining borrowing capacity from the FHLB at September 30, 2017 was $648,519,000.

In the normal course of business, the Bank is a party to a number of other off-balance sheet activities that contain credit, market and operational risk that are not reflected in whole or in part in our consolidated financial statements.  Such activities include traditional off-balance sheet credit-related financial instruments, commitments under operating leases and long-term debt.

The Bank provides customers with off-balance sheet credit support through loan commitments and standby and commercial letters of credit. Summarized credit-related financial instruments at September 30, 2017 are as follows:

(Dollars in Thousands)	September 30, 2017
Amounts of commitments:
Loan commitments to extend credit	$	2,699,227
Standby and commercial letters of credit	42,140
	$	2,741,367

Since many of the commitments are expected to expire unused or be only partially used, the total amount of unused commitments in the preceding table does not necessarily represent future cash requirements.

In addition to owned banking facilities, the Corporation has entered into a number of long-term leasing arrangements to support ongoing activities.  The required payments under such commitments and borrowings at September 30, 2017 are as follows:

(Dollars in Thousands)	Remaining 2017		2018		2019		2020		2021		2022		2023 and after		ASC 805 fair value adjustments at acquisition			Total
Operating leases	$	872	$	2,832	$	3,124	$	2,989	$	2,630	$	2,575	$	9,598				$	24,620
Federal funds purchased	100,000																	100,000
Securities sold under repurchase agreements	142,107																	142,107
Federal Home Loan Bank advances	77,443		96,391		121,713		31,273		25,000		20,000		35,000					406,820
Subordinated debentures and term loans	1,500												142,322		(4,136		)	139,686
Total	$	321,922	$	99,223	$	124,837	$	34,262	$	27,630	$	22,575	$	186,920	$	(4,136	)	$	813,233

INTEREST SENSITIVITY AND DISCLOSURE ABOUT MARKET RISK

Asset/Liability Management has been an important factor in the Corporation's ability to record consistent earnings growth through periods of interest rate volatility and product deregulation. Management and the Board of Directors monitor the Corporation's liquidity and interest sensitivity positions at regular meetings to review how changes in interest rates may affect earnings. Decisions regarding investment and the pricing of loan and deposit products are made after analysis of reports designed to measure liquidity, rate sensitivity, the Corporation’s exposure to changes in net interest income given various rate scenarios and the economic and competitive environments.

It is the objective of the Corporation to monitor and manage risk exposure to net interest income caused by changes in interest rates.  It is the goal of the Corporation’s Asset/Liability function to provide optimum and stable net interest income. To accomplish this, management uses two asset liability tools. GAP/Interest Rate Sensitivity Reports and Net Interest Income Simulation Modeling are constructed, presented and monitored quarterly.

Net interest income simulation modeling, or earnings-at-risk, measures the sensitivity of net interest income to various interest rate movements. The Corporation's asset liability process monitors simulated net interest income under three separate interest rate scenarios; base, rising and falling. Estimated net interest income for each scenario is calculated over a 12-month horizon. The immediate and parallel changes to the base case scenario used in the model are presented below. The interest rate scenarios are used for analytical purposes and do not necessarily represent management's view of future market movements. Rather, these are intended to provide a measure of the degree of volatility interest rate movements may introduce into the earnings of the Corporation.

The base scenario is highly dependent on numerous assumptions embedded in the model, including assumptions related to future interest rates. While the base sensitivity analysis incorporates management's best estimate of interest rate and balance sheet dynamics under various market rate movements, the actual behavior and resulting earnings impact will likely differ from that projected. For certain assets, the base simulation model captures the expected prepayment behavior under changing interest rate environments. Assumptions and methodologies regarding the interest rate or balance behavior of indeterminate maturity products, such as savings, money market, NOW and demand deposits, reflect management's best estimate of expected future behavior.

55

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The comparative rising 200 basis points and falling 100 basis points scenarios below, as of September 30, 2017, assume further interest rate changes in addition to the base simulation discussed above. These changes are immediate and parallel changes to the base case scenario. In the current rate environment, many driver rates are at or near historical lows, thus total rate movements (beginning point minus ending point) to each of the various driver rates utilized by management have the following results:

	September 30, 2017
	RISING	FALLING
Driver Rates	(200 Basis Points)	(100 Basis Points)
Prime	200	(100	)
Federal funds	200	(100	)
One-year CMT	200	(100	)
Three-year CMT	200	(100	)
Five-year CMT	200	(100	)
CD's	200	(24	)
FHLB advances	200	(99	)

Results for the base, rising 200 basis points, and falling 100 basis points interest rate scenarios are listed below based upon the Corporation’s rate sensitive assets and liabilities at September 30, 2017. The net interest income shown represents cumulative net interest income over a 12-month time horizon. Balance sheet assumptions used for the base scenario are the same for the rising and falling simulations.

	September 30, 2017
			RISING			FALLING
(Dollars in Thousands)	Base		(200 Basis Points)			(100 Basis Points)
Net interest income	$	289,060	$	314,691		$	264,928
Variance from base			$	25,631		$	(24,132	)
Percent of change from base			8.87		%	(8.35		)%

The comparative rising 200 basis points and falling 100 basis points scenarios below, as of December 31, 2016, assume further interest rate changes in addition to the base simulation discussed above. These changes are immediate and parallel changes to the base case scenario. In addition, total rate movements (beginning point minus ending point) to each of the various driver rates utilized by management in the base simulation are as follows:

	December 31, 2016
	RISING	FALLING
Driver Rates	(200 Basis Points)	(100 Basis Points)
Prime	200	(50	)
Federal funds	200	(50	)
One-year CMT	200	(77	)
Three-year CMT	200	(100	)
Five-year CMT	200	(100	)
CD's	200	(16	)
FHLB advances	200	(92	)

Results for the base, rising 200 basis points, and falling 100 basis points interest rate scenarios are listed below. The net interest income shown represents cumulative net interest income over a 12-month time horizon. Balance sheet assumptions used for the base scenario are the same for the rising and falling simulations.

	December 31, 2016
			RISING			FALLING
(Dollars in Thousands)	Base		(200 Basis Points)			(100 Basis Points)
Net interest income	$	231,074	$	247,920		$	214,302
Variance from base			$	16,846		$	(16,772	)
Percent of change from base			7.29		%	(7.26		)%

EARNING ASSETS

The following table presents the earning asset mix as of September 30, 2017 and December 31, 2016. Earning assets increased by $1,564,122,000 during the nine months ended September 30, 2017.  The 2017 acquisitions of Arlington Bank and IAB contributed to increases in several categories. Additional details of the Arlington Bank and IAB acquisitions can be found in NOTE 2. ACQUISITIONS, included within the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

56

PART I: FINANCIAL INFORMATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Interest-bearing time deposits and investment securities increased $48,491,000 and $164,382,000, respectively since December 31, 2016. The July 14, 2017 acquisition of IAB accounted for an increase in interest-bearing time deposits of $248,212,000. During the third quarter 2017, a significant portion of the acquired interest-bearing time deposits were used to invest in the Corporation's investment securities portfolio and reduce Federal Home Loan Bank advances.

Loans and loans held for sale increased $1,345,388,000 from December 31, 2016, as the Arlington Bank and IAB acquisitions contributed $232,306,000 and $725,976,000, respectively. The largest loan segments that experienced increases were commercial and farmland, commercial and industrial and residential. No loan segments experienced decreases. Additional details of the changes in the Corporation's loan portfolio are discussed within NOTE 4. LOANS AND ALLOWANCE, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

Federal Home Loan Bank stock increased $5,861,000 primarily due to the acquisitions of Arlington Bank and IAB, which resulted in additional Federal Home Loan Bank stock of $1,091,000 and $4,810,000, respectively.

(Dollars in Thousands)	September 30, 2017		December 31, 2016
Interest-bearing time deposits	$	72,950	$	24,459
Investment securities available for sale	890,721		696,862
Investment securities held to maturity	578,166		607,643
Loans held for sale	4,514		2,929
Loans	6,483,448		5,139,645
Federal Home Loan Bank stock	23,825		17,964
Total	$	8,053,624	$	6,489,502

OTHER

The Securities and Exchange Commission maintains a web site that contains reports, proxy and information statements and other information regarding registrants that file electronically with the Commission, including the Corporation, and that address is (http://www.sec.gov).

57

PART I: FINANCIAL INFORMATION

ITEM 3. QUANTITATIVE AND QUALITATIVE

DISCLOSURES ABOUT MARKET RISK

ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The information required under this item is included as part of Management’s Discussion and Analysis of Financial Condition and Results of Operations, under the headings “LIQUIDITY” and “INTEREST SENSITIVITY AND DISCLOSURE ABOUT MARKET RISK”.

58

PART I: FINANCIAL INFORMATION

ITEM 4. CONTROLS AND PROCEDURES

ITEM 4.  CONTROLS AND PROCEDURES

At the end of the period covered by this report, we carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures. Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures are effective. Disclosure controls and procedures are controls and procedures that are designed to ensure that information required to be disclosed in our reports filed or submitted under the Securities Exchange Act of 1934 are recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms.

There have been no changes in the Corporation’s internal control over financial reporting identified in connection with the evaluation discussed above that occurred during the Corporation’s last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Corporation’s internal control over financial reporting.

59

PART II: OTHER INFORMATION

ITEM 1., ITEM 1A., ITEM 2., ITEM 3., ITEM 4. AND ITEM 5.

(table dollar amounts in thousands, except share data)

ITEM 1.  LEGAL PROCEEDINGS

There are no pending legal proceedings, other than litigation incidental to the ordinary business of the Corporation or its subsidiaries, of a material nature to which the Corporation or its subsidiaries is a party or of which any of their properties are subject. Further, there are no material legal proceedings in which any director, officer, principal shareholder, or affiliate of the Corporation, or any associate of any such director, officer or principal shareholder, is a party, or has a material interest, adverse to the Corporation or any of its subsidiaries.

None of the routine legal proceedings, individually or in the aggregate, in which the Corporation or its affiliates are involved are expected to have a material adverse impact on the financial position or the results of operations of the Corporation.

ITEM 1A.  RISK FACTORS

There have been no material changes to the risk factors previously disclosed in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2016,

ITEM 2.  UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

a. None

b. None

c. None

ITEM 3.  DEFAULTS UPON SENIOR SECURITIES

None

ITEM 4.  MINE SAFETY DISCLOSURES

Not Applicable

ITEM 5.  OTHER INFORMATION

a. None

b. None

60

PART II: OTHER INFORMATION

ITEM 6. EXHIBITS

ITEM 6.  EXHIBITS

Exhibit No:	Description of Exhibits:
3.1	First Merchants Corporation Articles of Incorporation, as amended (Incorporated by reference to registrant’s Form 8-K filed on May 2, 2017) (SEC No. 000-17071)
3.2	Bylaws of First Merchants Corporation dated August 11, 2016 (Incorporated by reference to registrant’s Form 10-K filed on March 1, 2017) (SEC No. 000-17071)
4.1	First Merchants Corporation Amended and Restated Declaration of Trust of First Merchants Capital Trust II dated as of July 2, 2007 (Incorporated by reference to registrant's Form 8-K filed on July 3, 2007) (SEC No. 000-17071)
4.2	Indenture dated as of July 2, 2007 (Incorporated by reference to registrant's Form 8-K filed on July 3, 2007) (SEC No. 000-17071)
4.3	Guarantee Agreement dated as of July 2, 2007 (Incorporated by reference to registrant's Form 8-K filed on July 3, 2007) (SEC No. 000-17071)
4.4	Form of Capital Securities Certification of First Merchants Capital Trust II (Incorporated by reference to registrant's Form 8-K filed on July 3, 2007) (SEC No. 000-17071)
4.5	First Merchants Corporation Dividend Reinvestment and Stock Purchase Plan (Incorporated by reference to registrant’s Post-Effective Amendment No. 1 to Form S-3 filed on August 21, 2009) (SEC No. 033-45393)
4.6	Upon request, the registrant agrees to furnish supplementally to the Commission a copy of the instruments defining the rights of holders of its (a) 5.00% Fixed-to-Floating Rate Senior Notes due 2028 in the aggregate principal amount of $5 million and (b) 6.75% Fixed-to-Floating Rate Subordinated Notes due 2028 in aggregate principal amount of $65 million.
4.7	Description of Assumed Junior Subordinated Debt Securities of Independent Alliance Banks, Inc. and Agreement to Furnish Copies of Related Instruments and Documents (1)
31.1	Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes - Oxley Act of 2002 (1)
31.2	Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes - Oxley Act of 2002 (1)
32	Certifications Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (1)
101.INS	XBRL Instance Document (2)
101.SCH	XBRL Taxonomy Extension Schema Document (2)
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document (2)
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document (2)
101.LAB	XBRL Taxonomy Extension Label Linkbase Document (2)
101.PRE	XBRL Taxonomy Extension Presentation Linkebase Document (2)
	(1) Filed herewith.
	(2) Furnished herewith.

61

PART II: OTHER INFORMATION

ITEM 6. EXHIBITS

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	First Merchants Corporation
	(Registrant)
Date: November 9, 2017	by /s/ Michael C. Rechin
	Michael C. Rechin
	President and Chief Executive Officer
	(Principal Executive Officer)
Date: November 9, 2017	by /s/ Mark K. Hardwick
	Mark K. Hardwick
	Executive Vice President,
	Chief Financial Officer and Chief Operating Officer
	(Principal Financial and Accounting Officer)

62

PART II: OTHER INFORMATION

ITEM 6. EXHIBITS

INDEX TO EXHIBITS

Exhibit No:	Description of Exhibits:
3.1	First Merchants Corporation Articles of Incorporation, as amended (Incorporated by reference to registrant’s Form 8-K filed on May 2, 2017) (SEC No. 000-17071)
3.2	Bylaws of First Merchants Corporation dated August 11, 2016 (Incorporated by reference to registrant’s Form 10-K filed on March 1, 2017) (SEC No. 000-17071)
4.1	First Merchants Corporation Amended and Restated Declaration of Trust of First Merchants Capital Trust II dated as of July 2, 2007 (Incorporated by reference to registrant's Form 8-K filed on July 3, 2007) (SEC No. 000-17071)
4.2	Indenture dated as of July 2, 2007 (Incorporated by reference to registrant's Form 8-K filed on July 3, 2007) (SEC No. 000-17071)
4.3	Guarantee Agreement dated as of July 2, 2007 (Incorporated by reference to registrant's Form 8-K filed on July 3, 2007) (SEC No. 000-17071)
4.4	Form of Capital Securities Certification of First Merchants Capital Trust II (Incorporated by reference to registrant's Form 8-K filed on July 3, 2007) (SEC No. 000-17071)
4.5	First Merchants Corporation Dividend Reinvestment and Stock Purchase Plan (Incorporated by reference to registrant’s Post-Effective Amendment No. 1 to Form S-3 filed on August 21, 2009) (SEC No. 033-45393)
4.6	Upon request, the registrant agrees to furnish supplementally to the Commission a copy of the instruments defining the rights of holders of its (a) 5.00% Fixed-to-Floating Rate Senior Notes due 2028 in the aggregate principal amount of $5 million and (b) 6.75% Fixed-to-Floating Rate Subordinated Notes due 2028 in aggregate principal amount of $65 million.
4.7	Description of Assumed Junior Subordinated Debt Securities of Independent Alliance Banks, Inc. and Agreement to Furnish Copies of Related Instruments and Documents (1)
31.1	Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes - Oxley Act of 2002 (1)
31.2	Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes - Oxley Act of 2002 (1)
32	Certifications Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (1)
101.INS	XBRL Instance Document (2)
101.SCH	XBRL Taxonomy Extension Schema Document (2)
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document (2)
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document (2)
101.LAB	XBRL Taxonomy Extension Label Linkbase Document (2)
101.PRE	XBRL Taxonomy Extension Presentation Linkebase Document (2)
	(1) Filed herewith.
	(2) Furnished herewith.

63

EX-4.7

PART II: OTHER INFORMATION

ITEM 6. EXHIBITS

EXHIBIT 4.7

Description of Assumed Junior Subordinated Debt Securities of Independent Alliance Banks, Inc. and Agreement to Furnish Copies of Related Instruments and Documents

As a result of the merger of Independent Alliance Banks, Inc. (“IAB”) with and into the Registrant, First Merchants Corporation (“First Merchants”), First Merchants became liable on July 14, 2017 for all financial obligations of IAB, including certain junior subordinated debt securities (the “Debentures”) issued by IAB in the aggregate unpaid principal amount of $10,310,000.

The Debentures were issued to Grabill Capital Trust I (the “Trust”) on June 24, 2004. The Trust’s common securities were wholly owned by IAB and are now wholly owned by First Merchants. The Trust also issued preferred capital securities to an unaffiliated offshore entity, with an aggregate notional amount that approximates the principal amount of the Debentures held by the Trust. The Debentures have a term of 30 years and bear interest at a rate equal to 3-Month LIBOR plus 2.60%. The common and preferred capital securities bear interest at that same rate and, upon repayment of the Debentures, will be concurrently redeemed. First Merchants has also assumed IAB’s guarantee obligation with respect to the payment of amounts owed by the Trust to the holders of the preferred capital securities.

First Merchants believes that the indebtedness represented by the Debentures is presently immaterial in amount and significance due to the long-term nature of the principal repayment obligation thereunder and the subordination and other issuer-protective provisions of the Debentures. First Merchants agrees to furnish a copy of all instruments and documents that evidence (or that are related to) the Debentures to the Securities and Exchange Commission upon request.

EX-31.1

PART II: OTHER INFORMATION

ITEM 6. EXHIBITS

EXHIBIT-31.1

CERTIFICATIONS PURSUANT TO

SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

CERTIFICATION

I, Michael C. Rechin, President and Chief Executive Officer of First Merchants Corporation, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of First Merchants Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in the Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report, based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: November 9, 2017

by /s/ Michael C. Rechin

Michael C. Rechin

President and Chief Executive Officer

(Principal Executive Officer)

EX-31.2

PART II: OTHER INFORMATION

ITEM 6. EXHIBITS

EXHIBIT-31.2

CERTIFICATIONS PURSUANT TO

SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

CERTIFICATION

I, Mark K. Hardwick, Executive Vice President, Chief Financial Officer and Chief Operating Officer of First Merchants Corporation, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of First Merchants Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in the Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report, based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: November 9, 2017

by: /s/ Mark K. Hardwick

Mark K. Hardwick

Executive Vice President,

Chief Financial Officer and Chief Operating Officer

(Principal Financial and Accounting Officer)

EX-32

PART II: OTHER INFORMATION

ITEM 6. EXHIBITS

EXHIBIT-32

CERTIFICATIONS PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of First Merchants Corporation (the “Corporation”) on Form 10-Q for the period ending September 30, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael C. Rechin, President and Chief Executive Officer of the Corporation, do hereby certify, in accordance with 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o (d)); and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Corporation.

Date: November 9, 2017

by /s/ Michael C. Rechin

Michael C. Rechin

President and

Chief Executive Officer

(Principal Executive Officer)

A signed copy of this written statement required by Section 906 has been provided to First Merchants Corporation and will be retained by First Merchants Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

_____________________________________________________

In connection with the Quarterly Report of First Merchants Corporation (the “Corporation”) on Form 10-Q for the period ending September 30, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Mark K. Hardwick, Executive Vice President, Chief Financial Officer and Chief Operating Officer of the Corporation, do hereby certify, in accordance with 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o (d)); and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Corporation.

Date: November 9, 2017

by /s/ Mark K. Hardwick

Mark K. Hardwick

Executive Vice President,

Chief Financial Officer and Chief Operating Officer

(Principal Financial and Accounting Officer)

A signed copy of this written statement required by Section 906 has been provided to First Merchants Corporation and will be retained by First Merchants Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Oct. 31, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	FIRST MERCHANTS CORP
Entity Central Index Key	0000712534
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Trading Symbol	FRME
Amendment Flag	false
Entity Common Stock, Shares Outstanding		49,142,758

XML

CONSOLIDATED CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 146,607	$ 127,927
Interest-bearing time deposits	72,950	24,459
Investment securities available for sale	890,721	696,862
Investment securities held to maturity (fair value of $587,270 and $611,933)	578,166	607,643
Loans held for sale	4,514	2,929
Loans, net of allowance for loan losses of $73,354 and $66,037	6,410,094	5,073,608
Premises and equipment	102,485	94,432
Federal Home Loan Bank stock	23,825	17,964
Interest receivable	32,366	26,194
Goodwill	445,355	244,000
Other intangibles	33,203	14,866
Cash surrender value of life insurance	222,437	201,671
Other real estate owned	11,912	8,966
Tax asset, deferred and receivable	36,024	39,384
Other assets	38,744	30,706
TOTAL ASSETS	9,049,403	7,211,611
Deposits:
Noninterest-bearing	1,662,814	1,348,267
Interest-bearing	5,248,205	4,208,231
Total Deposits	6,911,019	5,556,498
Borrowings:
Federal funds purchased	100,000	120,349
Securities sold under repurchase agreements	142,107	146,480
Federal Home Loan Bank advances	406,820	298,923
Subordinated debentures and term loans	139,686	128,445
Total Borrowings	788,613	694,197
Interest payable	4,956	3,110
Other liabilities	61,695	56,149
Total Liabilities	7,766,283	6,309,954
COMMITMENTS AND CONTINGENT LIABILITIES
STOCKHOLDERS' EQUITY
Cumulative Preferred Stock, $1,000 par value, $1,000 liquidation value: Authorized - 600 shares; Issued and outstanding - 125 shares	125	125
Common Stock, $.125 stated value: Authorized - 50,000,000 shares; Issued and outstanding - 49,140,594 and 40,912,697 shares	6,143	5,114
Additional paid-in capital	833,451	509,018
Retained earnings	449,759	400,981
Accumulated other comprehensive loss	(6,358)	(13,581)
Total Stockholders' Equity	1,283,120	901,657
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 9,049,403	$ 7,211,611

XML

CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Investment securities held to maturity - fair value	$ 587,270	$ 611,933
Loans - allowance for loan losses	$ 73,354	$ 66,037
Preferred Stock, par value (in dollars per share)	$ 1,000	$ 1,000
Preferred Stock, liquidation value per share (in dollars per share)	$ 1,000	$ 1,000
Preferred Stock, authorized (in shares)	600	600
Preferred Stock, issued (in shares)	125	125
Preferred Stock, outstanding (in shares)	125	125
Common Stock, stated value (in dollars per share)	$ 0.125	$ 0.125
Common Stock, authorized (in shares)	100,000,000	50,000,000
Common Stock, issued (in shares)	49,140,594	40,912,697
Common Stock, outstanding (in shares)	49,140,594	40,912,697

XML

CONSOLIDATED CONDENSED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Loans receivable:
Taxable	$ 71,491	$ 53,819	$ 187,234	$ 156,407
Tax exempt	2,851	1,649	7,676	4,429
Investment securities:
Taxable	4,524	3,992	13,012	12,522
Tax exempt	5,455	4,668	15,549	13,760
Deposits with financial institutions	284	55	442	283
Federal Reserve and Federal Home Loan Bank stock	242	193	635	906
Total Interest Income	84,847	64,376	224,548	188,307
INTEREST EXPENSE
Deposits	6,710	3,926	15,971	12,028
Federal funds purchased	175	27	506	62
Securities sold under repurchase agreements	133	91	331	283
Federal Home Loan Bank advances	1,464	853	3,619	2,467
Subordinated debentures and term loans	1,945	1,797	5,602	5,368
Total Interest Expense	10,427	6,694	26,029	20,208
NET INTEREST INCOME	74,420	57,682	198,519	168,099
Provision for loan losses	2,083	1,900	7,343	3,240
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	72,337	55,782	191,176	164,859
OTHER INCOME
Service charges on deposit accounts	5,044	4,667	13,656	13,228
Fiduciary activities	2,995	2,448	8,244	7,318
Other customer fees	5,341	4,777	15,610	14,531
Increase in cash surrender value of life insurance	1,058	906	2,773	2,784
Gains on life insurance benefits	517	(292)	2,671	603
Net gains and fees on sales of loans	2,317	1,989	5,209	5,166
Net realized gains on sales of available for sale securities	332	839	1,497	2,542
Other income	1,064	1,527	2,288	2,911
Total Other Income	18,668	16,861	51,948	49,083
OTHER EXPENSES
Salaries and employee benefits	33,244	26,651	86,052	79,558
Net occupancy	4,371	4,348	12,552	12,429
Equipment	3,478	2,947	9,192	9,428
Marketing	1,021	630	2,378	2,218
Outside data processing fees	3,162	2,382	8,864	6,476
Printing and office supplies	366	314	905	1,047
Intangible asset amortization	1,698	978	3,592	2,933
FDIC assessments	704	534	1,853	2,486
Other real estate owned and foreclosure expenses	330	637	1,592	2,303
Professional and other outside services	5,843	1,242	10,843	4,882
Other expenses	4,491	3,452	11,300	11,665
Total Other Expenses	58,708	44,115	149,123	135,425
INCOME BEFORE INCOME TAX	32,297	28,528	94,001	78,517
Income tax expense	7,939	7,469	22,314	19,759
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 24,358	$ 21,059	$ 71,687	$ 58,758
Per Share Data:
Basic Net Income Available to Common Stockholders (in dollars per share)	$ 0.50	$ 0.51	$ 1.64	$ 1.44
Diluted Net Income Available to Common Stockholders (in dollars per share)	0.50	0.51	1.63	1.43
Cash Dividends Paid (in dollars per share)	$ 0.18	$ 0.14	$ 0.51	$ 0.39
Average Diluted Shares Outstanding (in shares)	48,643,774	41,025,784	44,063,219	40,970,215

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CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 24,358	$ 21,059	$ 71,687	$ 58,758
Other comprehensive income net of tax:
Unrealized holding gain (loss) on securities available for sale arising during the period, net of tax of $4,101, $1,627, $4,374 and $4,234	(7,617)	(3,022)	8,124	7,863
Unrealized gain (loss) on cash flow hedges arising during the period, net of tax of $3, $134, $134 and $835	(7)	250	(246)	(1,548)
Reclassification adjustment for net gains included in net income, net of tax of $32, $183, $258 and $554	(60)	(339)	(480)	(1,029)
Defined benefit pension plan amortization of prior service cost, net of tax of $31 and $94	(58)		(175)
Period change	(7,742)	(3,111)	7,223	5,286
Comprehensive income	$ 16,616	$ 17,948	$ 78,910	$ 64,044

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CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Unrealized holding gain (loss) on securities available for sale arising during the period, tax	$ (4,101)	$ (1,627)	$ 4,374	$ 4,234
Unrealized gain (loss) on cash flow hedges arising during the period, tax	(3)	134	(134)	(835)
Reclassification adjustment for net losses (gains) included in net income, tax	32	183	258	554
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax	$ 31		$ 94

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CONSOLIDATED CONDENSED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preferred	Common Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2015						$ (1,362)
Comprehensive income
Net income	$ 58,758
Other comprehensive income, net of tax	5,286
Issuance of common stock related to acquisition
Ending balance at Sep. 30, 2016						3,924
Beginning balance (in shares) at Dec. 31, 2016		125	40,912,697
Beginning balance at Dec. 31, 2016	901,657	$ 125	$ 5,114	$ 509,018	$ 400,981	(13,581)
Comprehensive income
Net income	71,687				71,687
Other comprehensive income, net of tax	7,223					7,223
Cash dividends on common stock ($.51 per share)	(22,909)				(22,909)
Issuance of common stock related to acquisition (in shares)			8,044,446
Issuance of common stock related to acquisition	321,431		$ 1,006	320,425
Share-based compensation (in shares)			84,795
Share-based compensation	1,884		$ 11	1,873
Stock issued under employee benefit plans (in shares)			10,781
Stock issued under employee benefit plans	367		$ 1	366
Stock issued under dividend reinvestment and stock purchase plan (in shares)			17,557
Stock issued under dividend reinvestment and stock purchase plan	$ 714		$ 2	712
Stock options exercised (in shares)	101,759		101,759
Stock options exercised	$ 2,323		$ 13	2,310
Stock redeemed (in shares)			(31,441)
Stock redeemed	(1,257)		$ (4)	(1,253)
Ending balance (in shares) at Sep. 30, 2017		125	49,140,594
Ending balance at Sep. 30, 2017	$ 1,283,120	$ 125	$ 6,143	$ 833,451	$ 449,759	$ (6,358)

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CONSOLIDATED CONDENSED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Stockholders' Equity [Abstract]
Cash dividends on common stock (in dollars per share)	$ 0.18	$ 0.14	$ 0.51	$ 0.39

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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flow From Operating Activities:
Net income	$ 71,687	$ 58,758
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	7,343	3,240
Depreciation and amortization	5,696	5,363
Change in deferred taxes	3,542	6,889
Share-based compensation	1,884	1,883
Loans originated for sale	(246,979)	(280,769)
Proceeds from sales of loans held for sale	257,695	293,519
Gains on sales of loans held for sale	(4,081)	(4,338)
Gains on sales of securities available for sale	(1,497)	(2,542)
Increase in cash surrender of life insurance	(2,773)	(2,784)
Gains on life insurance benefits	(2,671)	(603)
Change in interest receivable	(2,074)	763
Change in interest payable	597	641
Other adjustments	(9,006)	775
Net cash provided by operating activities	79,363	80,795
Cash Flows from Investing Activities:
Net change in interest-bearing deposits	200,013	(1,488)
Purchases of:
Securities available for sale	(307,220)	(161,962)
Securities held to maturity	(30,220)	(94,309)
Proceeds from sales of securities available for sale	54,513	104,821
Proceeds from maturities of:
Securities available for sale	52,176	52,019
Securities held to maturity	55,276	86,281
Change in Federal Reserve and Federal Home Loan Bank stock	40	19,589
Net change in loans	(401,977)	(286,125)
Net cash and cash equivalents received in acquisition	54,536
Proceeds from the sale of other real estate owned	5,046	8,105
Proceeds from life insurance benefits	11,642	2,070
Other adjustments	(1,656)	(3,800)
Net cash used in investing activities	(307,831)	(274,799)
Net change in :
Demand and savings deposits	132,145	195,395
Certificates of deposit and other time deposits	107,322	(41,973)
Borrowings	894,674	647,935
Repayment of borrowings	(866,231)	(594,350)
Cash dividends on common stock	(22,909)	(16,023)
Stock issued under employee benefit plans	367	338
Stock issued under dividend reinvestment and stock purchase plans	714	605
Stock options exercised	2,323	309
Stock redeemed	(1,257)	(800)
Net cash provided by financing activities	247,148	191,436
Net Change in Cash and Cash Equivalents	18,680	(2,568)
Cash and Cash Equivalents at beginning of period	127,927	102,170
Cash and Cash Equivalents at end of period	146,607	99,602
Additional cash flow information:
Interest paid	24,183	19,567
Income tax paid	18,000	4,499
Loans transferred to other real estate owned	8,210	665
Fixed assets transferred to other real estate owned		360
Non-cash investing activities using trade date accounting	3,798	1,341
In conjunction with the acquisitions, liabilities were assumed as follows:
Fair value of assets acquired	1,531,397
Cash paid in acquisitions	(12)
Less: Common stock issued	321,431
Liabilities assumed	$ 1,209,954	$ 0

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General

9 Months Ended

Sep. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

General

GENERAL

Financial Statement Preparation

The significant accounting policies followed by the Corporation and its wholly owned subsidiaries for interim financial reporting are consistent with the accounting policies followed for annual financial reporting. All adjustments, which are of a normal recurring nature and are in the opinion of management necessary for a fair statement of the results for the periods reported, have been included in the accompanying consolidated condensed financial statements.

The Consolidated Condensed Balance Sheet of the Corporation as of December 31, 2016, has been derived from the audited consolidated balance sheet of the Corporation as of that date. Certain information and note disclosures normally included in the Corporation’s annual financial statements, prepared in accordance with accounting principles generally accepted in the United States of America, have been condensed or omitted. These consolidated condensed financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2016 filed with the Securities and Exchange Commission. The results of operations for the three and nine months ended September 30, 2017, are not necessarily indicative of the results to be expected for the year. Reclassifications have been made to prior financial statements to conform to the current financial statement presentation. These reclassifications had no effect on net income.

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Acquisitions

9 Months Ended

Sep. 30, 2017

Business Combinations [Abstract]

Acquisitions

ACQUISITIONS

Independent Alliance Banks, Inc.

On November 21, 2016, the Corporation purchased 495,112 shares, or 12.1 percent, of IAB's outstanding common stock from an IAB shareholder for $19.8 million, or $40.00 per share. On July 14, 2017, the Corporation acquired the remaining shares of IAB common stock. IAB, an Indiana Corporation, merged with and into the Corporation, whereupon the separate corporate existence of IAB ceased and the Corporation survived. Immediately following the merger, IAB's wholly-owned subsidiary, iAB Financial Bank, merged with and into the Bank, with the Bank continuing as the surviving bank.

IAB was headquartered in Fort Wayne, Indiana and had 16 banking centers serving the Fort Wayne market. Pursuant to the merger agreement, each IAB shareholder received 1.653 shares of the Corporation's common stock for each outstanding share of IAB common stock held. The Corporation issued approximately 6.0 million shares of common stock. The transaction value for the remaining shares of common stock, not owned by the Corporation, was approximately $238.8 million, resulting in a total purchase price of $258.6 million. The Corporation engaged in this transaction with the expectation that it would be accretive to income and add a new market area with a demographic profile consistent with many of the current Indiana markets served by the Bank. Goodwill resulted from this transaction due to the expected synergies and economies of scale.

In the third quarter of 2017, ASC 805-10 - Business Combinations, required the Corporation to remeasure the 12.1 percent equity interest in IAB's common stock and recognize the resulting gain or loss, if any, in earnings. The remeasurement was based upon the closing price of IAB's common stock immediately prior to the acquisition announcement, and prior to the Corporation obtaining control of IAB. The trading price of IAB's common stock subsequent to the acquisition announcement included a control or acquisition premium and was not indicative of the fair value of the Corporation's pre-existing equity interest immediately prior to the acquisition announcement. The fair value of the equity interest in IAB's common stock after the remeasurement was $19.8 million. The Corporation recorded a $50,000 loss in the third quarter of 2017 as a result of the remeasurement and the loss is reflected in the Corporation's Consolidated Condensed Statements of Income in the line titled "Net realized gains on sales of available for sale securities."

Under the acquisition method of accounting, the total purchase price is allocated to net tangible and intangible assets based on their current estimated fair values on the date of the acquisition. Based on preliminary valuations of the fair value of tangible and intangible assets acquired and liabilities assumed, which are based on assumptions that are subject to change, the purchase price for the IAB acquisition is detailed in the following table. If prior to the end of the one-year measurement period for finalizing the purchase price allocation, information becomes available which would indicate adjustments are required to the purchase price allocation, such adjustments will be included in the purchase price allocation retrospectively.

	Fair Value
Cash and cash equivalents	$	6,016
Interest-bearing time deposits	248,212
Investment securities	4,078
Loans held for sale	594
Loans	725,382
Premises and equipment	10,107
Federal Home Loan Bank stock	4,810
Interest receivable	3,445
Cash surrender value of life insurance	26,964
Other assets	11,780
Deposits	(862,271		)
Securities sold under repurchase agreements	(17,915		)
Federal Home Loan Bank Advances	(47,575		)
Subordinated debentures	(10,583		)
Interest payable	(1,005		)
Other liabilities	(14,472		)
Net tangible assets acquired	87,567
Other Intangible assets	17,403
Goodwill	153,636
Purchase price	$	258,606

Of the total purchase price, $17,403,000 has been allocated to other intangible assets. Approximately $13.6 million was allocated to a core deposit intangible, which will be amortized over its estimated life of 10 years. Approximately $3.8 million was allocated to a non-compete intangible, which will be amortized over its estimated life of 2 years. The remaining purchase price has been allocated to goodwill, which is not deductible for tax purposes.

Acquired loan data for IAB can be found in the table below:

	Fair Value of Acquired Loans at Acquisition Date		Gross Contractual Amounts Receivable at Acquisition Date		Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected
Acquired receivables subject to ASC 310-30	$	4,838	$	14,131	$	8,352
Acquired receivables not subject to ASC 310-30	$	720,544	$	864,613	$	9,786

The Arlington Bank

On May 19, 2017, the Corporation acquired 100 percent of Arlington Bank. Arlington Bank, an Ohio savings bank, merged with and into the Bank, with the Bank continuing as the surviving bank. Arlington Bank was headquartered in Columbus, Ohio and had 3 banking centers serving the Columbus, Ohio market. Pursuant to the merger agreement, each Arlington Bank shareholder received 2.7245 shares of the Corporation's common stock for each outstanding share of Arlington Bank common stock held. The Corporation issued approximately 2.1 million shares of common stock, which was valued at approximately $82.6 million. The Corporation engaged in this transaction with the expectation that it would be accretive to income and expand the existing footprint in Columbus, Ohio. Goodwill resulted from this transaction due to the expected synergies and economies of scale.

Under the acquisition method of accounting, the total purchase price is allocated to net tangible and intangible assets based on their current estimated fair values on the date of the acquisition. Based on preliminary valuations of the fair value of tangible and intangible assets acquired and liabilities assumed, which are based on assumptions that are subject to change, the purchase price for the Arlington Bank acquisition is detailed in the following table. If prior to the end of the one-year measurement period for finalizing the purchase price allocation, information becomes available which would indicate adjustments are required to the purchase price allocation, such adjustments will be included in the purchase price allocation retrospectively.

	Fair Value
Cash and cash equivalents	$	48,532
Interest-bearing time deposits	292
Loans held for sale	7,626
Loans	224,680
Premises and equipment	1,986
Federal Home Loan Bank stock	1,091
Interest receivable	653
Other assets	1,620
Deposits	(252,783		)
Interest payable	(244		)
Other liabilities	(3,106		)
Net tangible assets acquired	30,347
Core deposit intangible	4,526
Goodwill	47,719
Purchase price	$	82,592

Of the total purchase price, $4,526,000 has been allocated to a core deposit intangible that will be amortized over its estimated life of 10 years. The remaining purchase price has been allocated to goodwill, which is not deductible for tax purposes.

Acquired loan data for Arlington Bank can be found in the table below:

	Fair Value of Acquired Loans at Acquisition Date		Gross Contractual Amounts Receivable at Acquisition Date		Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected
Acquired receivables subject to ASC 310-30	$	2,625	$	6,183	$	2,891
Acquired receivables not subject to ASC 310-30	$	222,055	$	308,857	$	2,741

Pro Forma Financial Information

The results of operations of Arlington Bank and IAB have been included in the Corporation's consolidated financial statements since the acquisition dates. The following schedule includes pro forma results for the three and nine months ended September 30, 2017 and the annual period ended December 31, 2016, as if the Arlington Bank and IAB acquisitions occurred as of the beginning of the periods presented.

	Three Months Ended September 30, 2017		Nine Months Ended September 30, 2017
Total revenue (net interest income plus other income)	$	96,178	$	281,392
Net income	$	19,603	$	70,651
Net income available to common shareholders
Earnings per share:
Basic	$	0.40	$	1.44
Diluted	$	0.39	$	1.43

	2016
Total revenue (net interest income plus other income)	$	353,732
Net income	$	95,288
Earnings per share:
Basic	$	1.95
Diluted	$	1.94

The pro forma information includes adjustments for interest income on loans, interest expense on deposits and borrowings, premises expense for the banking centers acquired and amortization of intangibles arising from the transaction and the related income tax effects. The pro forma information for the three months ended September 30, 2017 includes operating revenue of $3.7 million and $9.4 million from Arlington Bank and IAB acquisitions since the date of acquisition, respectively. Additionally, $10.9 million, net of tax, of non-recurring expenses directly attributable to the Arlington Bank and IAB acquisitions were included in the three months ended September 30, 2017 pro forma information. For the nine months end September 30, 2017, the pro forma information includes operating revenue of $5.2 million and $9.4 million from Arlington Bank and IAB acquisitions since the date of acquisition, respectively. The pro forma information for the nine months ended September 30, 2017 also includes $14.5 million, net of tax, of non-recurring expenses directly attributable to the Arlington Bank and IAB acquisitions. The pro forma information for the year ended December 31, 2016 includes operating results from Arlington Bank and IAB as if the acquisitions occurred at the beginning of the year. The pro forma information is presented for information purposes only and is not indicative of the results of operations that actually would have been achieved had the acquisitions been consummated as of that time, nor is it intended to be a projection of future results.

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Investment Securities

9 Months Ended

Sep. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Investment Securities

INVESTMENT SECURITIES

The amortized cost, gross unrealized gains, gross unrealized losses and approximate market value of the Corporation's investment securities at the dates indicated were:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available for sale at September 30, 2017
U.S. Treasury	$	250					$	250
State and municipal	452,666		$	13,748	$	2,006	464,408
U.S. Government-sponsored mortgage-backed securities	423,390		2,242		1,957		423,675
Corporate obligations	31						31
Equity securities	2,357						2,357
Total available for sale	878,694		15,990		3,963		890,721
Held to maturity at September 30, 2017
U.S. Government-sponsored agency securities	22,618				311		22,307
State and municipal	237,257		5,935		575		242,617
U.S. Government-sponsored mortgage-backed securities	317,291		4,867		812		321,346
Foreign Investments	1,000						1,000
Total held to maturity	578,166		10,802		1,698		587,270
Total Investment Securities	$	1,456,860	$	26,792	$	5,661	$	1,477,991

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available for sale at December 31, 2016
U.S. Government-sponsored agency securities	$	100					$	100
State and municipal	360,779		$	8,443	$	5,564	363,658
U.S. Government-sponsored mortgage-backed securities	313,459		1,904		3,071		312,292
Corporate obligations	31						31
Equity securities	21,820				1,039		20,781
Total available for sale	696,189		10,347		9,674		696,862
Held to maturity at December 31, 2016
U.S. Government-sponsored agency securities	22,619				479		22,140
State and municipal	224,811		3,136		1,796		226,151
U.S. Government-sponsored mortgage-backed securities	360,213		4,956		1,527		363,642
Total held to maturity	607,643		8,092		3,802		611,933
Total Investment Securities	$	1,303,832	$	18,439	$	13,476	$	1,308,795

The amortized cost and fair value of available for sale and held to maturity securities at September 30, 2017 and December 31, 2016, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Available for Sale				Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Maturity Distribution at September 30, 2017:
Due in one year or less	$	674	$	675	$	7,329	$	7,417
Due after one through five years	8,970		9,398		79,466		80,423
Due after five through ten years	84,977		88,832		53,423		54,573
Due after ten years	358,326		365,784		120,657		123,511
	$	452,947	$	464,689	$	260,875	$	265,924
U.S. Government-sponsored mortgage-backed securities	423,390		423,675		317,291		321,346
Equity securities	2,357		2,357
Total Investment Securities	$	878,694	$	890,721	$	578,166	$	587,270

	Available for Sale				Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Maturity Distribution at December 31, 2016
Due in one year or less	$	2,703	$	2,717	$	2,046	$	2,047
Due after one through five years	16,359		17,068		61,921		63,193
Due after five through ten years	60,614		62,241		61,606		61,145
Due after ten years	281,234		281,763		121,857		121,906
	$	360,910	$	363,789	$	247,430	$	248,291
U.S. Government-sponsored mortgage-backed securities	313,459		312,292		360,213		363,642
Equity securities	21,820		20,781
Total Investment Securities	$	696,189	$	696,862	$	607,643	$	611,933

The carrying value of securities pledged as collateral, to secure borrowings and for other purposes, was $511,192,000 at September 30, 2017, and $572,896,000 at December 31, 2016.

The book value of securities sold under agreements to repurchase amounted to $141,329,000 at September 30, 2017, and $145,936,000 at December 31, 2016.

Gross gains on the sales and redemptions of available for sale securities for the three and nine months ended September 30, 2017 and 2016 are shown below.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Sales and Redemptions of Available for Sale Securities:
Gross gains	$	382	$	839	$	1,547	$	2,542
Gross losses	50				50

The following tables show the Corporation’s gross unrealized losses and fair value, aggregated by investment category and length of time the individual securities have been in a continuous unrealized loss position at September 30, 2017, and December 31, 2016:

	Less than 12 Months				12 Months or Longer				Total
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Temporarily Impaired Available for Sale Securities at September 30, 2017
State and municipal	$	76,469	$	959	$	21,693	$	1,047	$	98,162	$	2,006
U.S. Government-sponsored mortgage-backed securities	153,833		1,794		8,149		163		161,982		1,957
Total Temporarily Impaired Available for Sale Securities	230,302		2,753		29,842		1,210		260,144		3,963
Temporarily Impaired Held to Maturity Securities at September 30, 2017
U.S. Government-sponsored agency securities	9,941		78		12,267		233		22,208		311
State and municipal	18,754		402		6,216		173		24,970		575
U.S. Government-sponsored mortgage-backed securities	74,950		812						74,950		812
Total Temporarily Impaired Held to Maturity Securities	103,645		1,292		18,483		406		122,128		1,698
Total Temporarily Impaired Investment Securities	$	333,947	$	4,045	$	48,325	$	1,616	$	382,272	$	5,661

	Less than 12 Months				12 Months or Longer		Total
	Fair Value		Gross Unrealized Losses		Fair Value	Gross Unrealized Losses	Fair Value		Gross Unrealized Losses
Temporarily Impaired Available for Sale Securities at December 31, 2016
State and municipal	$	126,593	$	5,564			$	126,593	$	5,564
U.S. Government-sponsored mortgage-backed securities	185,544		3,071				185,544		3,071
Equity Securities	18,765		1,039				18,765		1,039
Total Temporarily Impaired Available for Sale Securities	330,902		9,674				330,902		9,674
Temporarily Impaired Held to Maturity Securities at December 31, 2016
U.S. Government-sponsored agency securities	19,121		479				19,121		479
State and municipal	50,897		1,796				50,897		1,796
U.S. Government-sponsored mortgage-backed securities	109,377		1,527				109,377		1,527
Total Temporarily Impaired Held to Maturity Securities	179,395		3,802				179,395		3,802
Total Temporarily Impaired Investment Securities	$	510,297	$	13,476			$	510,297	$	13,476

Certain investments in debt and equity securities are reported in the financial statements at an amount less than their historical cost as indicated in the table below.

	September 30, 2017			December 31, 2016
Investments reported at less than historical cost:
Historical cost	$	388,181		$	523,773
Fair value	$	382,272		$	510,297
Percent of the Corporation's investment portfolio	26.0		%	39.1		%

Except as discussed below, management believes the decline in fair value for these securities was temporary. Should the impairment of any of these securities become other-than-temporary, the cost basis of the investment will be reduced and the resulting loss recognized in net income during the period the other-than-temporary-impairment is identified.

The Corporation’s management has evaluated all securities with unrealized losses for other-than temporary impairment as of September 30, 2017. The evaluations are based on the nature of the securities, the extent and duration of the loss and the intent and ability of the Corporation to hold these securities either to maturity or through the expected recovery period.

In determining the fair value of the investment securities portfolio, the Corporation utilizes a third party for portfolio accounting services, including market value input, for those securities classified as Level 1 and Level 2 in the fair value hierarchy. The Corporation has obtained an understanding of what inputs are being used by the vendor in pricing the portfolio and how the vendor was classifying these securities based upon these inputs.  From these discussions, the Corporation’s management is comfortable that the classifications are proper. The Corporation has gained trust in the data for two reasons:  (a) independent spot testing of the data is conducted by the Corporation through obtaining market quotes from various brokers on a periodic basis and (b) actual gains or losses resulting from the sale of certain securities has proven the data to be accurate over time.  The fair value of securities classified as Level 3 in the valuation hierarchy was determined using a discounted cash flow model that incorporated market estimates of interest rates and volatility in markets that have not been active.

State and Municipal and U.S. Government-Sponsored Agency Securities

The unrealized losses on the Corporation's investments in state and municipal securities and U.S. Government-Sponsored Agency securities were caused by interest rate increases. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Corporation does not intend to sell the investments and it is not more likely than not that the Corporation will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Corporation does not consider those investments to be other-than-temporarily impaired at September 30, 2017. The state and municipal securities portfolio contains unrealized losses of $2,006,000 on eighty-three securities and $575,000 on thirty-one securities in the available for sale and held to maturity portfolios, respectively. The U.S. Government-Sponsored Agency securities portfolio contains no unrealized losses in the available for sale portfolio, and $311,000 on four securities in the held to maturity portfolio.

U.S. Government-Sponsored Mortgage-Backed Securities

The unrealized losses on the Corporation's investment in mortgage-backed securities were a result of interest rate changes. The Corporation expects to recover the amortized cost basis over the term of the securities. Because the decline in market value is attributable to changes in interest rates and not credit quality, and because the Corporation does not intend to sell the investments and it is not more likely than not that the Corporation will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Corporation does not consider those investments to be other-than-temporarily impaired at September 30, 2017. The mortgage-backed securities portfolio contains unrealized losses of $1,957,000 on thirty-nine securities and $812,000 on twenty-three securities in the available for sale and held to maturity portfolios, respectively. All these securities are issued by a U.S. government-sponsored entity.

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Loans and Allowance

9 Months Ended

Sep. 30, 2017

Receivables [Abstract]

Loans and Allowance

LOANS AND ALLOWANCE

The Corporation’s primary lending focus is small business and middle market commercial, commercial real estate and residential real estate. The following tables show the composition of the loan portfolio, the allowance for loan losses and certain credit quality aspects, all excluding loans held for sale.  Loans held for sale as of September 30, 2017, and December 31, 2016, were $4,514,000 and $2,929,000, respectively.

The following table shows the composition of the Corporation’s loan portfolio by loan class for the periods indicated:

	September 30, 2017			December 31, 2016
Commercial and industrial loans	$	1,436,092		$	1,194,646
Agricultural production financing and other loans to farmers	117,751			79,689
Real estate loans:
Construction	498,862			418,703
Commercial and farmland	2,571,253			1,953,062
Residential	938,437			739,169
Home equity	502,240			418,525
Individuals' loans for household and other personal expenditures	86,406			77,479
Lease financing receivables, net of unearned income	3,877			311
Other commercial loans	328,530			258,061
Loans	$	6,483,448		$	5,139,645
Allowance for loan losses	(73,354		)	(66,037		)
Net Loans	$	6,410,094		$	5,073,608

Allowance, Credit Quality and Loan Portfolio

The Corporation maintains an allowance for loan losses to cover probable credit losses identified during its loan review process. Management believes the allowance for loan losses is adequate to cover probable losses inherent in the loan portfolio at September 30, 2017.  The process for determining the adequacy of the allowance for loan losses is critical to the Corporation’s financial results.  It requires management to make difficult, subjective and complex judgments, to estimate the effect of uncertain matters.  The allowance for loan losses considers current factors, including economic conditions and ongoing internal and external examinations, and will increase or decrease as deemed necessary to ensure it remains adequate.  In addition, the allowance as a percentage of charge-offs and nonperforming loans will change at different points in time based on credit performance, portfolio mix and collateral values.

The allowance for loan losses is maintained through the provision for loan losses, which is a charge against earnings. The allowance is increased by provision expense and decreased by charge-offs less recoveries. All charge-offs are approved by the Bank's senior credit officers and in accordance with established policies. The Bank charges off a loan when a determination is made that all or a portion of the loan is uncollectible. The amount provided for loan losses in a given period may be greater than or less than net loan losses experienced during the period, and is based on management’s judgment as to the appropriate level of the allowance for loan losses. The determination of the provision amount is based on management’s ongoing review and evaluation of the loan portfolio, including an internally administered loan "watch" list and independent loan reviews.  The evaluation takes into consideration identified credit problems, the possibility of losses inherent in the loan portfolio that are not specifically identified and management’s judgment as to the impact of the current environment and economic conditions on the portfolio.

The allowance consists of specific impairment reserves as required by ASC 310-10-35, a component for historical losses in accordance with ASC 450 and the consideration of current environmental factors in accordance with ASC 450. A loan is deemed impaired when, based on current information or events, it is probable that all amounts due of principal and interest according to the contractual terms of the loan agreement will not be collected.

The historical loss allocation for loans not deemed impaired according to ASC 450 is the product of the volume of loans within the non-impaired criticized and non-criticized risk grade classifications, each segmented by call code, and the historical loss factor for each respective classification and call code segment. The historical loss factors are based upon actual loss experience within each risk and call code classification. The historical look back period for non-criticized loans looks to the most recent rolling-four-quarter average and aligns with the look back period for non-impaired criticized loans. Each of the rolling four quarter periods used to obtain the average, include all charge-offs for the previous twelve-month period, therefore the historical look back period includes seven quarters. The resulting allocation is reflective of current conditions. Criticized loans are grouped based on the risk grade assigned to the loan. Loans with a special mention grade are assigned a loss factor, and loans with a classified grade but not impaired are assigned a separate loss factor. The loss factor computation for this allocation includes a segmented historical loss migration analysis of risk grades to charge-off.

In addition to the specific reserves and historical loss components of the allowance, consideration is given to asset quality metrics and various environmental factors to ensure that losses inherent in the portfolio are reflected in the allowance for loan losses. The environmental component adjusts the historical loss allocations for non-impaired loans to reflect relevant current conditions that, in management's opinion, have an impact on loss recognition. Environmental factors that management reviews in the analysis include: national and local economic trends and conditions; trends in growth in the loan portfolio and growth in higher risk areas; levels of, and trends in, delinquencies and non-accruals; experience and depth of lending management and staff; adequacy of, and adherence to, lending policies and procedures including those for underwriting; industry concentrations of credit; and adequacy of risk identification systems and controls through the internal loan review and internal audit processes.

In conformance with ASC 805 and ASC 820, loans purchased after December 31, 2008 are recorded at the acquisition date fair value. Such loans are included in the allowance to the extent a specific impairment is identified that exceeds the fair value adjustment on an impaired loan or the historical loss and environmental factor analysis indicates losses inherent in a purchased portfolio exceeds the fair value adjustment on the portion of the purchased portfolio not deemed impaired.

The following tables summarize changes in the allowance for loan losses by loan segment for the three and nine months ended September 30, 2017, and September 30, 2016:

	Three Months Ended September 30, 2017
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, June 30, 2017	$	28,906		$	25,236		$	3,372		$	12,955		$	2	$	70,471
Provision for losses	921			374			342			446					2,083
Recoveries on loans	324			1,327			51			157					1,859
Loans charged-off	(468		)	(190		)	(174		)	(227		)			(1,059		)
Balances, September 30, 2017	$	29,683		$	26,747		$	3,591		$	13,331		$	2	$	73,354

	Nine Months Ended September 30, 2017
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, December 31, 2016	$	27,696		$	23,661		$	2,923		$	11,755		$	2	$	66,037
Provision for losses	2,279			2,023			877			2,164					7,343
Recoveries on loans	987			2,066			253			547					3,853
Loans charged-off	(1,279		)	(1,003		)	(462		)	(1,135		)			(3,879		)
Balances, September 30, 2017	$	29,683		$	26,747		$	3,591		$	13,331		$	2	$	73,354

	Three Months Ended September 30, 2016
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, June 30, 2016	$	26,321		$	22,280		$	2,684		$	10,899		$	2	$	62,186
Provision for losses	727			578			115			480					1,900
Recoveries on loans	175			651			101			324					1,251
Loans charged-off	(720		)	(572		)	(114		)	(475		)			(1,881		)
Balances, September 30, 2016	$	26,503		$	22,937		$	2,786		$	11,228		$	2	$	63,456

	Nine Months Ended September 30, 2016
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, December 31, 2015	$	26,478		$	22,145		$	2,689		$	11,139		$	2	$	62,453
Provision for losses	1,266			992			192			790					3,240
Recoveries on loans	1,150			1,879			286			909					4,224
Loans charged-off	(2,391		)	(2,079		)	(381		)	(1,610		)			(6,461		)
Balances, September 30, 2016	$	26,503		$	22,937		$	2,786		$	11,228		$	2	$	63,456

The following tables show the Corporation’s allowance for loan losses and loan portfolio by segment as of the periods indicated:

	September 30, 2017
	Commercial		Commercial Real Estate		Consumer		Residential		Finance Leases		Total
Allowance Balances:
Individually evaluated for impairment	$	476	$	923			$	389			$	1,788
Collectively evaluated for impairment	29,207		25,824		$	3,591	12,942		$	2	71,566
Loans Acquired with Deteriorated Credit Quality
Total Allowance for Loan Losses	$	29,683	$	26,747	$	3,591	$	13,331	$	2	$	73,354
Loan Balances:
Individually evaluated for impairment	$	6,781	$	18,911	$	6	$	4,073			$	29,771
Collectively evaluated for impairment	1,874,225		3,027,247		86,400		1,435,089		$	3,877	6,426,838
Loans Acquired with Deteriorated Credit Quality	1,367		23,957				1,515				26,839
Loans	$	1,882,373	$	3,070,115	$	86,406	$	1,440,677	$	3,877	$	6,483,448

	December 31, 2016
	Commercial		Commercial Real Estate		Consumer		Residential		Finance Leases		Total
Allowance Balances:
Individually evaluated for impairment	$	37	$	553			$	298			$	888
Collectively evaluated for impairment	27,659		23,108		$	2,923	11,457		$	2	65,149
Loans Acquired with Deteriorated Credit Quality
Total Allowance for Loan Losses	$	27,696	$	23,661	$	2,923	$	11,755	$	2	$	66,037
Loan Balances:
Individually evaluated for impairment	$	4,762	$	21,358	$	9	$	4,450			$	30,579
Collectively evaluated for impairment	1,520,981		2,315,686		77,470		1,151,396		$	311	5,065,844
Loans Acquired with Deteriorated Credit Quality	6,653		34,721				1,848				43,222
Loans	$	1,532,396	$	2,371,765	$	77,479	$	1,157,694	$	311	$	5,139,645

The risk characteristics of the Corporation’s material portfolio segments are as follows:

Commercial

Commercial lending is primarily based on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower. The cash flows of borrowers, however, may not be as expected and the collateral securing these loans may fluctuate in value. Most commercial loans are secured by the tangible assets being financed such as equipment or real estate or other business assets such as accounts receivable or inventory and may incorporate a personal guarantee. Other loans may be unsecured, secured but under-collateralized or otherwise made on the basis of the enterprise value of an organization. In the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers.

Commercial real estate

These loans are viewed primarily as cash flow loans and secondarily as loans secured by real estate. Commercial real estate lending typically involves higher loan principal amounts and the repayment of these loans is generally dependent on the successful operation of the property securing the loan or the business conducted on the property securing the loan. Commercial real estate loans may be more adversely affected by conditions in the real estate markets or in the general economy. Management monitors and evaluates commercial real estate loans based on collateral and risk grade criteria. In addition, management tracks the level of owner-occupied commercial real estate loans versus non-owner occupied loans.

Consumer and Residential

With respect to residential loans that are secured by 1-4 family residences and are typically owner occupied, the Corporation generally establishes a maximum loan-to-value ratio and requires private mortgage insurance if that ratio is exceeded. Home equity loans are secured by a subordinate interest in 1-4 family residences, and consumer loans are secured by consumer assets such as automobiles or recreational vehicles. Some consumer loans are unsecured such as small installment loans and certain lines of credit. Repayment of these loans is primarily dependent on the personal income and credit rating of the borrowers, which can be impacted by economic conditions in their market areas such as unemployment levels. Repayment on loans secured by 1-4 family residences can be impacted by changes in property values. Risk is mitigated by the fact that the loans are of smaller individual amounts and spread over a large number of borrowers.

Loans are reclassified to a non-accruing status when, in management’s judgment, the collateral value and financial condition of the borrower do not justify accruing interest. When the interest accrual is discontinued, all unpaid accrued interest is reversed against earnings when considered uncollectable. Payments subsequently received on non-accrual loans are applied to principal. A loan is returned to accrual status when principal and interest are no longer past due and collectability is probable, typically after a minimum of six consecutive months of performance.  Payments received on impaired accruing or delinquent loans are applied to interest income as accrued.

The following table summarizes the Corporation’s non-accrual loans by loan class as of the periods indicated:

	September 30, 2017		December 31, 2016
Commercial and industrial loans	$	4,910	$	1,839
Agriculture production financing and other loans to farmers	1,282		1,329
Real estate loans:
Construction	67		73
Commercial and farmland	12,152		15,754
Residential	11,973		9,523
Home equity	1,818		1,457
Individuals' loans for household and other personal expenditures	51		23
Total	$	32,253	$	29,998

Commercial impaired loans include non-accrual loans, loans accounted for under ASC 310-30, and loans risk graded as substandard, doubtful and loss that were still accruing but deemed impaired according to the guidance set forth in ASC 310. Also included in impaired loans are accruing loans that are contractually past due 90 days or more and troubled debt loan restructures.

Allowable methods for determining the amount of impairment include estimating fair value using the fair value of the collateral for collateral dependent loans. If the impaired loan is identified as collateral dependent, then the fair value method for measuring the amount of impairment is utilized.  This method requires obtaining a current independent appraisal of the collateral and applying a discount factor, which includes selling costs if applicalble, to the value. The fair value of real estate is generally based on appraisals by qualified licensed appraisers. The appraisers typically determine the value of the real estate by utilizing an income or market valuation approach. If an appraisal is not available, the fair value may be determined by using a cash flow analysis. Fair value on other collateral such as business assets is typically ascertained by assessing, either singularly or some combination of, asset appraisals, accounts receivable aging reports, inventory listings andor customer financial statements. Both appraised values and values based on borrower’s financial information are discounted as considered appropriate based on age and quality of the information and current market conditions.

The following tables show the composition of the Corporation’s commercial impaired loans, related allowance and interest income recognized while impaired by loan class as of the periods indicated:

	September 30, 2017
	Unpaid Principal Balance		Recorded Investment		Related Allowance
Impaired loans with no related allowance:
Commercial and industrial loans	$	15,443	$	4,526
Agriculture production financing and other loans to farmers	1,818		1,489
Real estate Loans:
Construction	2,583		1,422
Commercial and farmland	51,302		38,098
Residential	5,611		3,310
Home equity	195		154
Total	76,952		48,999
Impaired loans with related allowance:
Commercial and industrial loans	1,824		1,796		$	206
Agriculture production financing and other loans to farmers	357		337		270
Real estate Loans:
Commercial and farmland	4,077		3,347		923
Total	6,258		5,480		1,399
Total Impaired Loans	$	83,210	$	54,479	$	1,399

	December 31, 2016
	Unpaid Principal Balance		Recorded Investment		Related Allowance
Impaired loans with no related allowance:
Commercial and industrial loans	$	17,645	$	10,074
Agriculture production financing and other loans to farmers	757		680
Real estate Loans:
Construction	5,946		3,178
Commercial and farmland	67,936		49,731
Residential	8,039		4,664
Home equity	82		44
Other commercial loans	11
Total	100,416		68,371
Impaired loans with related allowance:
Agriculture production financing and other loans to farmers	660		660		$	36
Real estate Loans:
Commercial and farmland	4,238		2,985		553
Residential	65		34		23
Total	4,963		3,679		612
Total Impaired Loans	$	105,379	$	72,050	$	612

	Three Months Ended September 30, 2017				Nine Months Ended September 30, 2017
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Impaired loans with no related allowance:
Commercial and industrial loans	$	4,668	$	56	$	8,821	$	149
Agriculture production financing and other loans to farmers	1,489		9		1,491		9
Real estate Loans:
Construction	1,427		26		1,438		36
Commercial and farmland	40,668		475		42,459		1,266
Residential	3,410		31		3,637		92
Home equity	158		1		163		1
Total	51,820		598		58,009		1,553
Impaired loans with related allowance:
Commercial and industrial loans	1,796				1,796
Agriculture production financing and other loans to farmers	337				337
Real estate Loans:
Commercial and farmland	3,359				3,377		4
Total	5,492				5,510		4
Total Impaired Loans	$	57,312	$	598	$	63,519	$	1,557

	Three Months Ended September 30, 2016				Nine Months Ended September 30, 2016
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Impaired loans with no related allowance:
Commercial and industrial loans	$	10,025	$	89	$	10,436	$	261
Agriculture production financing and other loans to farmers	636		3		644		3
Real estate Loans:
Construction	3,526		72		3,572		215
Commercial and farmland	61,903		854		63,722		2,576
Residential	5,081		40		5,453		118
Home equity	44				57
Total	81,215		1,058		83,884		3,173
Impaired loans with related allowance:
Commercial and industrial loans	469				471
Agriculture production financing and other loans to farmers	1,164		6		1,236		6
Real estate Loans:
Commercial and farmland	1,850				1,894
Residential	34				39
Total	3,517		6		3,640		6
Total Impaired Loans	$	84,732	$	1,064	$	87,524	$	3,179

As part of the ongoing monitoring of the credit quality of the Corporation's loan portfolio, management tracks certain credit quality indicators including trends related to: (i) the level of criticized commercial loans, (ii) net charge-offs, (iii) non-performing loans, (iv) covenant failures and (v) the general national and local economic conditions.

The Corporation utilizes a risk grading of pass, special mention, substandard, doubtful and loss to assess the overall credit quality of large commercial loans. All large commercial credit grades are reviewed at a minimum of once a year for pass grade loans. Loans with grades below pass are reviewed more frequently depending on the grade. A description of the general characteristics of these grades is as follows:

• Pass - Loans that are considered to be of acceptable credit quality.

• Special Mention - Loans which possess some credit deficiency or potential weakness, which deserves close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the Corporation's credit position at some future date. Special mention assets are not adversely classified and do not expose the Corporation to sufficient risk to warrant adverse classification. The key distinctions of this category's classification are that it is indicative of an unwarranted level of risk; and weaknesses are considered “potential”, not “defined”, impairments to the primary source of repayment. Examples include businesses that may be suffering from inadequate management, loss of key personnel or significant customer or litigation.

• Substandard - A substandard loan is inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified have a well-defined weakness that jeopardizes the liquidation of the debt. They are characterized by the distinct possibility that the Corporation will sustain some loss if the deficiencies are not corrected. Other characteristics may include:

o the likelihood that a loan will be paid from the primary source of repayment is uncertain or financial deterioration is underway and very close attention is warranted to ensure that the loan is collected without loss,

o the primary source of repayment is gone, and the Corporation is forced to rely on a secondary source of repayment, such as collateral liquidation or guarantees,

o loans have a distinct possibility that the Corporation will sustain some loss if deficiencies are not corrected,

o unusual courses of action are needed to maintain a high probability of repayment,

o the borrower is not generating enough cash flow to repay loan principal; however, it continues to make interest payments,

o the Corporation is forced into a subordinated or unsecured position due to flaws in documentation,

o loans have been restructured so that payment schedules, terms and collateral represent concessions to the borrower when compared to the normal loan terms,

o the Corporation is seriously contemplating foreclosure or legal action due to the apparent deterioration of the loan, and

o there is significant deterioration in market conditions to which the borrower is highly vulnerable.

• Doubtful - Loans that have all of the weaknesses of those classified as Substandard. However, based on currently existing facts, conditions and values, these weaknesses make full collection of principal highly questionable and improbable. Other credit characteristics may include the primary source of repayment is gone or there is considerable doubt as to the quality of the secondary sources of repayment. The possibility of loss is high, but because of certain important pending factors that may strengthen the loan, loss classification is deferred until the exact status of repayment is known.

• Loss – Loans that are considered uncollectible and of such little value that continuing to carry them as an asset is not warranted. Loans will be classified as Loss when it is neither practical not desirable to defer writing off or reserving all or a portion of a basically worthless asset, even though partial recovery may be possible at some time in the future.

The following tables summarize the credit quality of the Corporation’s loan portfolio, by loan class for the periods indicated.  Consumer non-performing loans include accruing consumer loans 90 plus days delinquent and consumer non-accrual loans.  The entire balance of a loan is considered delinquent if the minimum payment contractually required to be made is not received by the specified date. Loans that evidenced deterioration of credit quality since origination and it was probable, at acquisition, that all contractually required payments would not be collected are included in the applicable categories below.

	September 30, 2017
	Commercial Pass		Commercial Special Mention		Commercial Substandard		Commercial Doubtful		Commercial Loss	Consumer Performing		Consumer Non-Performing		Total
Commercial and industrial loans	$	1,366,945	$	43,245	$	25,234	$	668						$	1,436,092
Agriculture production financing and other loans to farmers	64,699		29,765		22,516		622			$	149			117,751
Real estate Loans:
Construction	469,967		1,619		986					26,155		$	135	498,862
Commercial and farmland	2,409,972		70,397		85,732		1,976			3,173		3		2,571,253
Residential	175,260		4,161		4,259		149			743,713		10,895		938,437
Home equity	25,610				124		112			474,465		1,929		502,240
Individuals' loans for household and other personal expenditures										86,340		66		86,406
Lease financing receivables, net of unearned income	3,497		380											3,877
Other commercial loans	327,483				1,047									328,530
Loans	$	4,843,433	$	149,567	$	139,898	$	3,527		$	1,333,995	$	13,028	$	6,483,448

	December 31, 2016
	Commercial Pass		Commercial Special Mention		Commercial Substandard		Commercial Doubtful	Commercial Loss	Consumer Performing		Consumer Non-Performing		Total
Commercial and industrial loans	$	1,117,545	$	30,919	$	46,182							$	1,194,646
Agriculture production financing and other loans to farmers	30,712		25,273		23,704								79,689
Real estate Loans:
Construction	398,646		3,490		1,858				$	14,636	$	73	418,703
Commercial and farmland	1,811,367		60,028		80,626				1,034		7		1,953,062
Residential	146,251		5,106		6,046				574,054		7,712		739,169
Home equity	7,310		47		516				409,237		1,415		418,525
Individuals' loans for household and other personal expenditures									77,456		23		77,479
Lease financing receivables, net of unearned income	228				83								311
Other commercial loans	257,861				200								258,061
Loans	$	3,769,920	$	124,863	$	159,215			$	1,076,417	$	9,230	$	5,139,645

The tables below show a past due aging of the Corporation’s loan portfolio, by loan class, as of September 30, 2017, and December 31, 2016.

	September 30, 2017
	Current		30-59 Days Past Due		60-89 Days Past Due		Loans > 90 Days And Accruing		Non-Accrual		Total Past Due & Non-Accrual		Total
Commercial and industrial loans	$	1,430,469	$	196	$	492	$	25	$	4,910	$	5,623	$	1,436,092
Agriculture production financing and other loans to farmers	116,410		59						1,282		1,341		117,751
Real estate loans:
Construction	498,233		432		62		68		67		629		498,862
Commercial and farmland	2,555,261		2,952		879		9		12,152		15,992		2,571,253
Residential	922,848		2,960		613		43		11,973		15,589		938,437
Home equity	497,692		1,880		585		265		1,818		4,548		502,240
Individuals' loans for household and other personal expenditures	85,877		300		163		15		51		529		86,406
Lease financing receivables, net of unearned income	3,877												3,877
Other commercial loans	328,390				140						140		328,530
Loans	$	6,439,057	$	8,779	$	2,934	$	425	$	32,253	$	44,391	$	6,483,448

	December 31, 2016
	Current		30-59 Days Past Due		60-89 Days Past Due		Loans > 90 Days And Accruing		Non-Accrual		Total Past Due & Non-Accrual		Total
Commercial and industrial loans	$	1,192,079	$	466	$	162	$	100	$	1,839	$	2,567	$	1,194,646
Agriculture production financing and other loans to farmers	78,360								1,329		1,329		79,689
Real estate loans:
Construction	415,975		2,655						73		2,728		418,703
Commercial and farmland	1,932,896		1,385		3,027				15,754		20,166		1,953,062
Residential	725,338		3,664		635		9		9,523		13,831		739,169
Home equity	415,969		850		246		3		1,457		2,556		418,525
Individuals' loans for household and other personal expenditures	76,929		470		57				23		550		77,479
Lease financing receivables, net of unearned income	311												311
Other commercial loans	258,061												258,061
Loans	$	5,095,918	$	9,490	$	4,127	$	112	$	29,998	$	43,727	$	5,139,645

See the information regarding the analysis of loan loss experience in the "LOAN QUALITY/PROVISION FOR LOAN LOSSES" section of Management’s Discussion and Analysis of Financial Condition and Results of Operations included as ITEM 2 of this Quarterly Report on Form 10-Q.

On occasion, borrowers experience declines in income and cash flow. As a result, these borrowers seek to reduce contractual cash outlays including debt payments. Concurrently, in an effort to preserve and protect its earning assets, specifically troubled loans, the Corporation works to maintain its relationship with certain customers who are experiencing financial difficulty by contractually modifying the borrower's debt agreement with the Corporation. In certain loan restructuring situations, the Corporation may grant a concession to a debtor experiencing financial difficulty, resulting in a trouble debt restructuring. A concession is deemed to be granted when, as a result of the restructuring, the Corporation does not expect to collect all original amounts due, including interest accrued at the original contract rate. If the payment of principal at original maturity is primarily dependent on the value of collateral, the current value of the collateral is considered in determining whether the principal will be paid.

The following tables summarize troubled debt restructurings in the Corporation's loan portfolio that occurred during the periods indicated:

	Three Months Ended September 30, 2017					Nine Months Ended September 30, 2017
	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans
Commercial and industrial loans	$	6	$	6	1	$	400	$	176	2
Real estate loans:
Commercial and farmland						357		492		6
Residential	120		122		1	570		520		8
Home equity	68		73		2	190		73		2
Total	$	194	$	201	4	$	1,517	$	1,261	18

	Three Months Ended September 30, 2016					Nine Months Ended September 30, 2016
	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans
Commercial and industrial loans						$	260	$	260	3
Agriculture production financing and other loans to farmers						1,606		1,472		5
Real estate loans:
Commercial and farmland	$	87	$	95	1	3,978		3,955		7
Residential	611		678		11	724		811		14
Home equity	55		58		2	229		204		3
Total	$	753	$	831	14	$	6,797	$	6,702	32

The following tables summarize the recorded investment of troubled debt restructurings as of September 30, 2017 and 2016, by modification type, that occurred during the periods indicated:

	Three Months Ended September 30, 2017
	Term Modification		Rate Modification		Combination	Total Modification
Commercial and industrial loans	$	5				$	5
Real estate loans:
Residential			$	122		122
Home equity			73			73
Total	$	5	$	195		$	200

	Nine Months Ended September 30, 2017
	Term Modification		Rate Modification		Combination		Total Modification
Commercial and industrial loans	$	5			$	168	$	173
Real estate loans:
Commercial and farmland	41		$	61	232		334
Residential			466		42		508
Home Equity			73				73
Total	$	46	$	600	$	442	$	1,088

	Three Months Ended September 30, 2016
	Term Modification	Rate Modification		Combination		Total Modification
Real estate loans:
Commercial and farmland				$	95	$	95
Residential		$	663			663
Home equity		56				56
Total		$	719	$	95	$	814

	Nine Months Ended September 30, 2016
	Term Modification		Rate Modification		Combination		Total Modification
Commercial and industrial loans					$	197	$	197
Agriculture production financing and other loans to farmers	$	898					898
Real estate loans:
Commercial and farmland	416				3,487		3,903
Residential			$	773			773
Home equity			197				197
Total	$	1,314	$	970	$	3,684	$	5,968

Loans secured by residential real estate made up 97 percent of the post-modification balance of troubled debt restructured loans made in the three months ended September 30, 2017. The same loan classification made up 47 percent of the post-modification balance of troubled debt restructured loans made in the nine months ended September 30, 2017.

There were no troubled debt restructures that occurred during the twelve months ended September 30, 2017, that subsequently defaulted during the three and nine month periods ended September 30, 2017 and remained in default at period end. The following table summarizes troubled debt restructures that occurred during the twelve months ended September 30, 2016, that subsequently defaulted during the period indicated and remained in default at period end. For purposes of this discussion, a loan is considered in default if it is 30 or more days past due.

	Three Months Ended September 30, 2016			Nine Months Ended September 30, 2016
	Number of Loans	Recorded Balance		Number of Loans	Recorded Balance
Commercial and industrial loans				3	$	197
Real estate loans:
Residential	1	$	54	1	54
Total	1	$	54	4	$	251

For potential consumer loan restructures, impairment evaluation occurs prior to modification. Any subsequent impairment is typically addressed through the charge-off process, or may be addressed through a specific reserve. Consumer troubled debt loan restructures are generally included in the general historical allowance for loan loss at the post modification balance. Consumer non-accrual and delinquent troubled debt loan restructures are also considered in the calculation of the non-accrual and delinquency trend environmental allowance allocation. Consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process totaled $1,847,000 and$1,530,000 at September 30, 2017 and December 31, 2016, respectively.

Commercial troubled debt restructured loans risk graded special mention, substandard, doubtful and loss are individually evaluated for impairment under ASC 310. Any resulting specific reserves are included in the allowance for loan losses. Commercial 30 - 89 day delinquent troubled debt loan restructures are included in the calculation of the delinquency trend environmental allowance allocation. All commercial non-impaired loans, including non-accrual and 90+ day delinquents, are included in the ASC 450 loss migration analysis.

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Accounting for Certain Loans Acquired in a Purchase

9 Months Ended

Sep. 30, 2017

Receivables [Abstract]

Accounting for Certain Loans Acquired in a Purchase

ACCOUNTING FOR CERTAIN LOANS ACQUIRED IN A PURCHASE

The acquired loans detailed in the tables below are included in NOTE 4. LOANS AND ALLOWANCE, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q. As described in NOTE 4, loans purchased after December 31, 2008 are recorded at the acquisition date fair value, which could result in a fair value discount or premium. Purchased loans with evidence of credit deterioration since origination and for which it is probable at the date of acquisition that the acquirer will not collect all contractually required principal and interest payments are accounted for under ASC 310-30, Loans Acquired with Deteriorated Credit Quality. The difference between contractually required payments and the cash flows expected to be collected at acquisition is referred to as the nonaccretable difference. The accretable portion of the fair value discount or premium is the difference between the expected cash flows and the net present value of expected cash flows, with such difference accreted into earnings over the term of the loans. All other loans not accounted for under ASC 310-30 are accounted for under ASC 310-20, which allows the fair value adjustment to be accreted into income over the remaining life of the loans.

The Corporation's most recent acquisitions, Arlington Bank and IAB, are detailed in NOTE 2. ACQUISITIONS, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q. All of the Corporation's acquisitions since December 31, 2008 are as indicated below. The following tables include the outstanding balance and carrying amount of all acquired loans which were included in the Corporation's balance sheet at September 30, 2017, and December 31, 2016.

	September 30, 2017
	IAB			Arlington Bank			Ameriana			C Financial			Community			CFS			SCB			Total
Outstanding Balance:
Commercial and industrial loans	$	107,827		$	4,131		$	4,823		$	70		$	409		$	9,509		$	2,171		$	128,940
Agricultural production financing and other loans to farmers	39,558												93			50			1,116			40,817
Real estate loans:
Construction	32,866			16,025			9,269			1,122			1,721			103						61,106
Commercial and farmland	370,664			84,212			83,030			18,149			29,681			83,186			6,970			675,892
Residential	106,466			71,752			89,773			35,027			6,845			83,421			3,104			396,388
Home equity	38,581			26,918			9,333			6,211			4,615			21,306			10,298			117,262
Individuals' loans for household and other personal expenditures	4,236			755			417						89			57			23			5,577
Lease financing receivables, net of unearned income	2,405																					2,405
Other commercial loans	12,960			94			1,745									60						14,859
Total	715,563			203,887			198,390			60,579			43,453			197,692			23,682			1,443,246
Remaining fair value discount	(22,501		)	(5,901		)	(7,065		)	(1,383		)	(2,545		)	(6,185		)	(2,298		)	(47,878		)
Carrying amount	693,062			197,986			191,325			59,196			40,908			191,507			21,384			1,395,368
Allowance	362						411						52			38						863
Carrying amount net of allowance	$	692,700		$	197,986		$	190,914		$	59,196		$	40,856		$	191,469		$	21,384		$	1,394,505

	December 31, 2016
	Ameriana			C Financial			Community			CFS			SCB			Total
Outstanding Balance:
Commercial and industrial loans	$	8,003		$	85		$	2,269		$	23,327		$	3,552		$	37,236
Agricultural production financing and other loans to farmers							1,030			50			1,630			2,710
Real estate loans:
Construction	22,017			2,835			4,026			420						29,298
Commercial and farmland	103,075			22,130			36,947			131,895			9,315			303,362
Residential	103,414			44,101			9,363			96,627			4,135			257,640
Home equity	11,728			7,947			6,326			26,894			11,924			64,819
Individuals' loans for household and other personal expenditures	762			2			147			201			30			1,142
Other commercial loans	1,825									65						1,890
Total	250,824			77,100			60,108			279,479			30,586			698,097
Remaining fair value discount	(10,771		)	(1,906		)	(4,101		)	(12,634		)	(3,268		)	(32,680		)
Carrying amount	240,053			75,194			56,007			266,845			27,318			665,417
Allowance	265						23			92						380
Carrying amount net of allowance	$	239,788		$	75,194		$	55,984		$	266,753		$	27,318		$	665,037

The outstanding balance and related carrying amount of loans acquired and accounted for under ASC 310-30 as of September 30, 2017 were $42.1 million and $26.8 million, respectively; with no required allowance for loan losses. The outstanding balance and related carrying amount of those loans as of December 31, 2016 were $60.5 million and $43.2 million, respectively; with no required allowance for loan losses. During the nine months ended September 30, 2017, one loan, with a December 31, 2016 outstanding balance of $12.1 million and a carrying amount of $7.6 million, was transferred to Other Real Estate Owned.

As customer cash flow expectations improve, nonaccretable yield can be reclassified to accretable yield. The accretable yield, or income expected to be collected, and reclassifications from nonaccretable, are identified in the tables below.  The tables reflect only purchased loans accounted for under ASC 310-30 and not the entire portfolio of purchased loans.

	Three Months Ended September 30, 2017
	IAB		Arlington Bank			Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance			$	667		$	671		$	63		$	890		$	81		$	235		$	2,607
Additions	$	941																			941
Accretion			(38		)	(156		)	(134		)	(11		)	(166		)	(181		)	(686		)
Reclassification from nonaccretable			26			23			71						170			159			449
Disposals
Ending balance	$	941	$	655		$	538					$	879		$	85		$	213		$	3,311

	Nine Months Ended September 30, 2017
	IAB		Arlington Bank			Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance						$	1,630		$	73		$	1,233		$	736		$	279		$	3,951
Additions	$	941	$	667																	1,608
Accretion			(38		)	(2,814		)	(222		)	(444		)	(1,053		)	(511		)	(5,082		)
Reclassification from nonaccretable			26			1,722			149			212			947			445			3,501
Disposals												(122		)	(545		)				(667		)
Ending balance	$	941	$	655		$	538					$	879		$	85		$	213		$	3,311

	Three Months Ended September 30, 2016
	Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance	$	1,846		$	81		$	1,345		$	904		$	451		$	4,627
Additions
Accretion	(67		)	(18		)	(63		)	(665		)	(199		)	(1,012		)
Reclassification from nonaccretable	4			15			22			585			72			698
Disposals
Ending balance	$	1,783		$	78		$	1,304		$	824		$	324		$	4,313

	Nine Months Ended September 30, 2016
	Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance	$	2,160		$	114		$	1,508		$	1,188		$	642		$	5,612
Additions
Accretion	(154		)	(104		)	(975		)	(2,810		)	(580		)	(4,623		)
Reclassification from nonaccretable	9			68			771			2,457			262			3,567
Disposals	(232		)							(11		)				(243		)
Ending balance	$	1,783		$	78		$	1,304		$	824		$	324		$	4,313

The following table presents loans acquired during the nine month period ended September 30, 2017, for which it was probable that all contractually required payments would not be collected:

	IAB		Arlington Bank
Contractually required payments receivable at acquisition date	$	14,131	$	6,183
Nonaccretable difference	8,352		2,891
Expected cash flows at acquisition date	5,779		3,292
Accretable difference	941		667
Basis in loans at acquisition date	$	4,838	$	2,625

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Goodwill

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

GOODWILL

Goodwill is recorded on the acquisition date of an entity. During the measurement period, the Corporation may record subsequent adjustments to goodwill for provisional amounts recorded at the acquisition date. The IAB acquisition on July, 14, 2017 resulted in $153,636,000 of goodwill. The Arlington Bank acquisition on May 19, 2017 resulted in $47,719,000 of goodwill, which includes a reduction of $469,000. This reduction was recorded in the third quarter of 2017 as a measurement period adjustment. The Ameriana acquisition on December 31, 2015 resulted in $38,624,000 of goodwill, of which, $871,000 was recorded during the first quarter of 2016 as a measurement period adjustment. Details regarding the IAB and Arlington Bank acquisitions are discussed in NOTE 2. ACQUISITIONS, in the Notes to Consolidated Financial Statements of this Quarterly Report on Form 10-Q.

	2017
Balance, January 1	$	244,000
Goodwill acquired	201,824
Measurement period adjustment	(469		)
Balance, September 30	$	445,355

	2016
Balance, January 1	$	243,129
Measurement period adjustment	871
Balance, December 31	$	244,000

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Other Intangibles

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangibles

OTHER INTANGIBLES

Core deposit intangibles and other intangibles are recorded on the acquisition date of an entity. During the measurement period, the Corporation may record subsequent adjustments to these intangibles for provisional amounts recorded at the acquisition date. The IAB acquisition on July 14, 2017 resulted in a core deposit intangible of $13,638,000 and other intangibles, consisting of non-compete intangibles, of $3,765,000. The Arlington Bank acquisition on May 19, 2017 resulted in a core deposit intangible of $4,526,000. The Ameriana acquisition on December 31, 2015 resulted in a core deposit intangible of $5,342,000, of which, $2,142,000 was recorded as a measurement period adjustment in the first quarter of 2016. Details regarding the IAB and Arlington Bank acquisitions are discussed in NOTE 2. ACQUISITIONS, in the Notes to Consolidated Financial Statements of this Quarterly Report on Form 10-Q.

The carrying basis and accumulated amortization of recognized core deposit intangibles and other intangibles are noted below.

	September 30, 2017			December 31, 2016
Gross carrying amount	$	63,940		$	61,798
Core deposit intangibles acquired	18,164
Other intangibles acquired	3,765
Measurement period adjustment				2,142
Accumulated amortization	(52,666		)	(49,074		)
Total other intangibles	$	33,203		$	14,866

The core deposit intangibles and other intangibles are being amortized primarily on an accelerated basis over their estimated useful lives, generally over a period of two to ten years. Estimated future amortization expense is summarized as follows:

	Amortization Expense
2017	$	2,055
2018	6,719
2019	5,169
2020	3,632
2021	3,427
After 2021	12,201
	$	33,203

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Derivative Financial Instruments

9 Months Ended

Sep. 30, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

DERIVATIVE FINANCIAL INSTRUMENTS

Risk Management Objective of Using Derivatives

The Corporation is exposed to certain risks arising from both its business operations and economic conditions.  The Corporation principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. The Corporation manages economic risks, including interest rate, liquidity, and credit risk, primarily by managing the amount, sources, and duration of its assets and liabilities and through the use of derivative financial instruments.  Specifically, the Corporation enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates.  The Corporation’s derivative financial instruments are used to manage differences in the amount, timing, and duration of the Corporation’s known or expected cash payments principally related to certain variable-rate liabilities.  The Corporation also has derivatives that are a result of a service the Corporation provides to certain qualifying customers, and, therefore, are not used to manage interest rate risk in the Corporation’s assets or liabilities. The Corporation manages a matched book with respect to its derivative instruments offered as a part of this service to its customers in order to minimize its net risk exposure resulting from such transactions.

Cash Flow Hedges of Interest Rate Risk

The Corporation’s objectives in using interest rate derivatives are to add stability to interest expense and to manage its exposure to interest rate movements. To accomplish these objectives, the Corporation primarily uses interest rate swaps and interest rate caps as part of its interest rate risk management strategy.  Interest rate swaps designated as cash flow hedges involve the payment of fixed amounts to a counterparty in exchange for the Corporation receiving variable payments over the life of the agreements without exchange of the underlying notional amount.  Interest rate caps designated as cash flow hedges involve the receipt of variable amounts from a counterparty if interest rates rise above the strike rate on the contract in exchange for an up-front premium.  As of September 30, 2017 and December 31, 2016, the Corporation had five interest rate swaps with a notional amount of $56.0 million and one interest rate cap with a notional amount of $13.0 million that were designated as cash flow hedges. 

Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense as interest payments are made on the Corporation's variable-rate liabilities. During the next twelve months, the Corporation expects to reclassify $803,000 from accumulated other comprehensive income to interest expense.

The effective portion of changes in the fair value of derivatives designated and that qualify as cash flow hedges is recorded in accumulated other comprehensive income and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings.

During 2017, $26.0 million of the interest rate swaps and the $13.0 million interest rate cap were used to hedge the variable cash outflows (LIBOR-based) associated with existing trust preferred securities when the outflows converted from a fixed rate to variable rate in September of 2012.  In addition, the remaining $30.0 million of interest rate swaps were used to hedge the variable cash outflows (LIBOR-based) associated with three Federal Home Loan Bank advances. The ineffective portion of the change in fair value of the derivatives is recognized directly in earnings. During the nine months ended September 30, 2017, and 2016, the Corporation did not recognize any ineffectiveness.

Non-designated Hedges

The Corporation does not use derivatives for trading or speculative purposes.  Derivatives not designated as hedges are not speculative and result from a service the Corporation provides to certain customers. The Corporation executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies.  Those interest rate swaps are simultaneously hedged by offsetting interest rate swaps that the Corporation executes with a third party, such that the Corporation minimizes its net risk exposure resulting from such transactions.  As the interest rate swaps associated with this program do not meet the strict hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting swaps are recognized directly in earnings.  As of September 30, 2017, the notional amount of customer-facing swaps was approximately $383,658,000.  This amount is offset with third party counterparties, as described above.

Fair Values of Derivative Instruments on the Balance Sheet

The table below presents the fair value of the Corporation’s derivative financial instruments, as well as their classification on the Balance Sheet, as of September 30, 2017, and December 31, 2016.

Asset Derivatives

Liability Derivatives

September 30, 2017

December 31, 2016

September 30, 2017

December 31, 2016

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Derivatives designated as hedging instruments:

Interest rate contracts

Other Assets

$

1

Other Assets

$

15

Other Liabilities

$

1,934

Other Liabilities

$

2,182

Derivatives not designated as hedging instruments:

Interest rate contracts

Other Assets

$

7,060

Other Assets

$

6,295

Other Liabilities

$

7,060

Other Liabilities

$

6,295

The amount of gain (loss) recognized in other comprehensive income is included in the table below for the periods indicated.

Derivatives in Cash Flow Hedging Relationships	Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)
	Three Months Ended					Nine Months Ended
	September 30, 2017			September 30, 2016		September 30, 2017			September 30, 2016
Interest Rate Products	$	(10	)	$	384	$	(380	)	$	(2,383	)

Effect of Derivative Instruments on the Income Statement

The tables below present the effect of the Corporation’s derivative financial instruments on the Income Statement for the three and nine months ended September 30, 2017 and 2016.

Derivatives Not Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative
		Three Months Ended September 30, 2017	Three Months Ended September 30, 2016
Interest rate contracts	Other income		$	211

Derivatives Not Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative
		Nine Months Ended September 30, 2017	Nine Months Ended September 30, 2016
Interest rate contracts	Other income		$	698

The amount of gain (loss) reclassified from other comprehensive income into income is included in the table below for the periods indicated.

Derivatives Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Reclassed from Other Comprehensive Income into Income (Effective Portion)
		Three Months Ended September 30, 2017			Three Months Ended September 30, 2016
Interest rate contracts	Interest Expense	$	(240	)	$	(317	)

Derivatives Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Reclassed from Other Comprehensive Income into Income (Effective Portion)
		Nine Months Ended September 30, 2017			Nine Months Ended September 30, 2016
Interest rate contracts	Interest Expense	$	(759	)	$	(959	)

The Corporation’s exposure to credit risk occurs because of nonperformance by its counterparties.  The counterparties approved by the Corporation are usually financial institutions, which are well capitalized and have credit ratings through Moody’s and/or Standard & Poor’s at or above investment grade.  The level of risk is monitored by performing quarterly financial reviews, comparing mark-to-mark values with policy limitations, monitoring credit ratings and pledging of collateral.

Credit-risk-related Contingent Features

The Corporation has agreements with certain of its derivative counterparties that contain a provision where if the Corporation fails to maintain its status as a well or adequately capitalized institution, then the Corporation could be required to terminate or fully collateralize all outstanding derivative contracts.

The Corporation also has agreements with certain of its derivative counterparties that contain a provision where if the Corporation defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender, the Corporation could also be declared in default on its derivative obligations. As of September 30, 2017, the termination value of derivatives in a net liability position related to these agreements was $3,877,000. As of September 30, 2017, the Corporation had minimum collateral posting thresholds with certain of its derivative counterparties and had posted collateral of $12,366,000. If the Corporation had breached any of these provisions at September 30, 2017, it could have been required to settle its obligations under the agreements at their termination value.

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Disclosures About Fair Value of Assets and Liabilities

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Disclosures About Fair Value of Assets and Liabilities

DISCLOSURES ABOUT FAIR VALUE OF ASSETS AND LIABILITIES

The Corporation used fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The accounting guidance defines fair value, establishes a framework for measuring fair value and expands disclosures about fair value measurements.  ASC 820 applies only when other guidance requires or permits assets or liabilities to be measured at fair value; it does not expand the use of fair value in any new circumstances.

As defined in ASC 820, fair value is the price to sell an asset or transfer a liability in an orderly transaction between market participants. It represents an exit price at the measurement date. Market participants are buyers and sellers, who are independent, knowledgeable, and willing and able to transact in the principal (or most advantageous) market for the asset or liability being measured. Current market conditions, including imbalances between supply and demand, are considered in determining fair value. The Corporation values its assets and liabilities in the principal market where it sells the particular asset or transfers the liability with the greatest volume and level of activity. In the absence of a principal market, the valuation is based on the most advantageous market for the asset or liability (i.e., the market where the asset could be sold or the liability transferred at a price that maximizes the amount to be received for the asset or minimizes the amount to be paid to transfer the liability).

Valuation inputs refer to the assumptions market participants would use in pricing a given asset or liability. Inputs can be observable or unobservable. Observable inputs are those assumptions which market participants would use in pricing the particular asset or liability. These inputs are based on market data and are obtained from a source independent of the Corporation. Unobservable inputs are assumptions based on the Corporation’s own information or estimate of assumptions used by market participants in pricing the asset or liability. Unobservable inputs are based on the best and most current information available on the measurement date. All inputs, whether observable or unobservable, are ranked in accordance with a prescribed fair value hierarchy which gives the highest ranking to quoted prices (unadjusted) in active markets for identical assets or liabilities (Level 1) and the lowest ranking to unobservable inputs for which there is little or no market activity (Level 3). Fair values for assets or liabilities classified as Level 2 are based on one or a combination of the following factors: (i) quoted prices for similar assets; (ii) observable inputs for the asset or liability, such as interest rates or yield curves; or (iii) inputs derived principally from or corroborated by observable market data. The level in the fair value hierarchy within which the fair value measurement in its entirety falls is determined based on the lowest level input that is significant to the fair value measurement in its entirety. The Corporation considers an input to be significant if it drives 10 percent or more of the total fair value of a particular asset or liability.

RECURRING MEASUREMENTS

Assets and liabilities are considered to be measured at fair value on a recurring basis if fair value is measured regularly (i.e., daily, weekly,

monthly or quarterly). Recurring valuation occurs at a minimum on the measurement date. Assets and liabilities are considered to be measured

at fair value on a nonrecurring basis if the fair value measurement of the instrument does not necessarily result in a change in the amount

recorded on the balance sheet. Generally, nonrecurring valuation is the result of the application of other accounting pronouncements which

require assets or liabilities to be assessed for impairment or recorded at the lower of cost or fair value. The fair value of assets or liabilities

transferred in or out of Level 3 is measured on the transfer date, with any additional changes in fair value subsequent to the transfer considered

to be realized or unrealized gains or losses.

Following is a description of the valuation methodologies used for instruments measured at fair value on a recurring basis and recognized in the

accompanying balance sheets, as well as the general classification of such instruments pursuant to the valuation hierarchy.

Investment Securities

Where quoted, market prices are available in an active market and securities are classified within Level 1 of the valuation hierarchy. Level 1

securities include U.S. Treasury securities. If quoted market prices are not available, then fair values are estimated by using pricing models, quoted prices of securities with similar characteristics or discounted cash flows. Level 2 securities include government-sponsored mortgage backs, state and municipal and equity securities. In certain cases where Level 1 or Level 2 inputs are not available, securities are classified within Level 3 of the hierarchy and include state and municipal, corporate obligations and equity securities. Level 3 fair value for state and municipal, corporate obligations and equity securities was determined using a discounted cash flow model that incorporated market estimates of interest rates and volatility in markets that have not been active.

Third party vendors compile prices from various sources and may apply such techniques as matrix pricing to determine the value of identical or

similar investment securities (Level 2). Matrix pricing is a mathematical technique widely used in the banking industry to value investment

securities without relying exclusively on quoted prices for specific investment securities but rather relying on the investment securities’

relationship to other benchmark quoted investment securities. Any investment security not valued based upon the methods above are

considered Level 3.

Interest Rate Derivative Agreements

See information regarding the Corporation's interest rate derivative products in NOTE 8. DERIVATIVE FINANCIAL INSTRUMENTS, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

The following tables present the fair value measurements of assets and liabilities recognized in the Consolidated Condensed Balance Sheets measured at fair value on a recurring basis and the level within the fair value hierarchy in which the fair value measurements fall at September 30, 2017, and December 31, 2016.

			Fair Value Measurements Using:
September 30, 2017	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities:
U.S. Treasury	$	250	$	250
State and municipal	464,408				$	460,456	$	3,952
U.S. Government-sponsored mortgage-backed securities	423,675				423,675
Corporate obligations	31						31
Equity securities	2,357				2,353		4
Interest rate swap asset	7,060				7,060
Interest rate cap	1				1
Interest rate swap liability	8,994				8,994

			Fair Value Measurements Using:
December 31, 2016	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities:
U.S. Government-sponsored agency securities	$	100			$	100
State and municipal	363,658				358,524		$	5,134
U.S. Government-sponsored mortgage-backed securities	312,292				312,292
Corporate obligations	31						31
Equity securities	20,781		$	18,765	2,012		4
Interest rate swap asset	6,295				6,295
Interest rate cap	15				15
Interest rate swap liability	8,477				8,477

Level 3 Reconciliation

The following is a reconciliation of the beginning and ending balances of recurring fair value measurements recognized in the Consolidated Condensed Balance Sheets using significant unobservable (Level 3) inputs for the three and nine months ended September 30, 2017 and 2016.

	Available for Sale Securities
	Three Months Ended						Nine Months ended
	September 30, 2017			September 30, 2016			September 30, 2017			September 30, 2016
Balance at beginning of the period	$	3,330		$	5,564		$	5,169		$	5,932
Included in other comprehensive income	(22		)	(45		)	38			52
Principal payments	679			(77		)	(1,220		)	(542		)
Ending balance	$	3,987		$	5,442		$	3,987		$	5,442

There were no gains or losses for the period included in earnings that were attributable to the changes in unrealized gains or losses related to assets or liabilities held at September 30, 2017 or December 31, 2016.

Transfers Between Levels

There were no transfers in or out of Level 3 for the three and nine months ended September 30, 2017 and 2016.

Nonrecurring Measurements

Following is a description of valuation methodologies used for instruments measured at fair value on a non-recurring basis and recognized in the

accompanying balance sheets, as well as the general classification of such instruments pursuant to the valuation hierarchy for

September 30, 2017, and December 31, 2016.

			Fair Value Measurements Using
September 30, 2017	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Impaired loans (collateral dependent)	$	8,045			$	8,045
Other real estate owned	1,818				1,818

			Fair Value Measurements Using
December 31, 2016	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable  Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Impaired loans (collateral dependent)	$	15,318			$	15,318
Other real estate owned	1,612				1,612

Impaired Loans (collateral dependent)

Loans for which it is probable that the Corporation will not collect all principal and interest due according to contractual terms are measured for impairment. Allowable methods for determining the amount of impairment include estimating fair value of the collateral for collateral dependent loans. If the impaired loan is identified as collateral dependent, then the fair value method of measuring the amount of impairment is utilized. This method requires obtaining a current independent appraisal of the collateral and applying a discount factor to the value. A portion of the allowance for loan losses is allocated to impaired loans if the value of such loans is deemed to be less than the unpaid balance. If these allocations cause the allowance for loan losses to increase, such increase is reported as a component of the provision for loan losses. Loan losses are charged against the allowance when management believes the uncollectability of the loan is confirmed. During 2017, certain impaired loans were partially charged off or re-evaluated. Impaired loans that are collateral dependent are classified within Level 3 of the fair value hierarchy when impairment is determined using the fair value method.

Other Real Estate Owned

The fair value for impaired loans and other real estate owned is measured based on the value of the collateral securing those loans or real

estate and is determined using several methods. The fair value of real estate is generally determined based on appraisals by qualified licensed

appraisers. The appraisers typically determine the value of the real estate by utilizing an income or market valuation approach. If an appraisal is

not available, the fair value may be determined by using a discounted cash flow analysis. Fair value on other collateral such as business assets

is typically ascertained by assessing, either singularly or some combination of, asset appraisals, accounts receivable aging reports, inventory

listings and or customer financial statements. Both appraised values and values based on borrower’s financial information are discounted as

considered appropriate based on age and quality of the information and current market conditions.

Unobservable (Level 3) Inputs

The following table presents quantitative information about unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements, other than goodwill, at September 30, 2017 and December 31, 2016.

September 30, 2017	Fair Value		Valuation Technique	Unobservable Inputs	Range (Weighted-Average)
State and municipal securities	$	3,952	Discounted cash flow	Maturity/Call date	1 month to 20 yrs
				US Muni BQ curve	A- to BBB-
				Discount rate	.69% - 5%
Corporate obligations and Equity securities	$	35	Discounted cash flow	Risk free rate	3 month LIBOR
				plus premium for illiquidity	plus 200bps
Impaired loans (collateral dependent)	$	8,045	Collateral based measurements	Discount to reflect current market conditions and ultimate collectability	0% - 10% (1%)
Other real estate owned	$	1,818	Appraisals	Discount to reflect current market conditions	0% - 15% (4%)

December 31, 2016	Fair Value		Valuation Technique	Unobservable Inputs	Range (Weighted-Average)
State and municipal securities	$	5,134	Discounted cash flow	Maturity/Call date	1 month to 20 yrs
				US Muni BQ curve	A- to BBB-
				Discount rate	.69% - 5%
Corporate obligations and Equity securities	$	35	Discounted cash flow	Risk free rate	3 month LIBOR
				plus premium for illiquidity	plus 200bps
Impaired loans (collateral dependent)	$	15,318	Collateral based measurements	Discount to reflect current market conditions and ultimate collectability	0% - 10% (1%)
Other real estate owned	$	1,612	Appraisals	Discount to reflect current market conditions	0% - 10% (9%)

Sensitivity of Significant Unobservable Inputs

The following is a discussion of the sensitivity of significant unobservable inputs, the interrelationships between those inputs and other unobservable inputs used in recurring fair value measurement and how those inputs might magnify or mitigate the effect of changes in the unobservable inputs on the fair value measurement.

State and Municipal Securities, Corporate Obligations and Equity Securities

The significant unobservable inputs used in the fair value measurement of the Corporation's state and municipal securities, corporate obligations

and equity securities are premiums for unrated securities and marketability discounts. Significant increases or decreases in either of those

inputs in isolation would result in a significantly lower or higher fair value measurement. Generally, changes in either of those inputs will not

affect the other input.

Fair Value of Financial Instruments

The following table presents estimated fair values of the Corporation’s financial instruments and the level within the fair value hierarchy in which the fair value measurements fall at September 30, 2017, and December 31, 2016.

			September 30, 2017
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Carrying Amount		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash and cash equivalents	$	146,607	$	146,607
Interest-bearing time deposits	72,950		72,950
Investment securities available for sale	890,721		250		$	886,484	$	3,987
Investment securities held to maturity	578,166				574,698		12,572
Loans held for sale	4,514				4,514
Loans	6,410,094						6,301,582
Federal Home Loan Bank stock	23,825				23,825
Interest rate swap and cap asset	7,061				7,061
Interest receivable	32,366				32,366
Liabilities:
Deposits	$	6,911,019	$	5,447,422	$	1,445,246
Borrowings:
Federal funds purchased	100,000				100,000
Securities sold under repurchase agreements	142,107				142,060
Federal Home Loan Bank advances	406,820				407,708
Subordinated debentures and term loans	139,686				114,435
Interest rate swap liability	8,994				8,994
Interest payable	4,956				4,956

			December 31, 2016
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Carrying Amount		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash and cash equivalents	$	127,927	$	127,927
Interest-bearing time deposits	24,459		24,459
Investment securities available for sale	696,862		18,765		$	672,928	$	5,169
Investment securities held to maturity	607,643				597,246		14,687
Loans held for sale	2,929				2,929
Loans	5,073,608						4,933,552
Federal Home Loan Bank stock	17,964				17,964
Interest rate swap and cap asset	6,310				6,310
Interest receivable	26,194				26,194
Liabilities:
Deposits	$	5,556,498	$	4,427,605	$	1,111,491
Borrowings:
Federal funds purchased	120,349				120,349
Securities sold under repurchase agreements	146,480				146,449
Federal Home Loan Bank advances	298,923				297,465
Subordinated debentures and term loans	128,445				105,930
Interest rate swap liability	8,477				8,477
Interest payable	3,110				3,110

The following methods were used to estimate the fair value of all other financial instruments recognized in the Consolidated Condensed Balance

Sheets at amounts other than fair value.

Cash and cash equivalents: The fair value of cash and cash equivalents approximates carrying value.

Interest-bearing time deposits: The fair value of interest-bearing time deposits approximates carrying value.

Investment securities: Fair value is based on quoted market prices, if available. If a quoted market price is not available, fair value is estimated

using quoted market prices for similar securities. The fair value of certain Level 3 securities is estimated using a discounted cash flow model that incorporated market estimates of interest rates and volatility in markets that have not been active.

Loans held for sale: The carrying amount approximates fair value due to the short duration between origination and date of sale.

Loans: The fair value for loans is estimated using discounted cash flow analysis, using interest rates currently being offered for loans with similar

terms to borrowers of similar credit quality. See Impaired Loans above.

Federal Home Loan Bank stock: The fair value of Federal Home Loan Bank stock is based on the price which it may be resold to the Federal Home Loan Bank.

Derivative instruments: The fair value of interest rate swaps reflects the estimated amounts that would have been received to terminate these

contracts at the reporting date based upon pricing or valuation models applied to current market information. Interest rate caps are valued using

the market standard methodology of discounting the future expected cash receipts that would occur if variable interest rates rose above the

strike rate of the caps. The projected cash receipts on the caps are based on an expectation of future interest rates derived from observed

market interest rate curves and volatilities.

Interest receivable and Interest payable: The fair value of interest receivable and payable approximates carrying value.

Deposits: The fair values of noninterest-bearing and interest-bearing demand accounts and savings deposits are equal to the amount payable

on demand at the balance sheet date. The carrying amounts for variable rate, fixed-term certificates of deposit approximate their fair values at

the balance sheet date. Fair values for fixed-rate certificates of deposit and other time deposits are estimated using a discounted cash flow

calculation that applies interest rates currently being offered to a schedule of aggregated expected monthly maturities on such time deposits.

Borrowings: The fair value of federal funds purchased approximates the carrying amount. The fair value of all other borrowings is estimated

using a discounted cash flow calculation, based on current rates for similar debt.

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Transfers Accounted for as Secured Borrowings

9 Months Ended

Sep. 30, 2017

Banking and Thrift [Abstract]

Transfers Accounted for as Secured Borrowings

TRANSFERS ACCOUNTED FOR AS SECURED BORROWINGS

The collateral pledged for all repurchase agreements that are accounted for as secured borrowings as of September 30, 2017 and December 31, 2016 were:

	September 30, 2017
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 Days		Total
U.S. Government-sponsored mortgage-backed securities	$	129,128	$	1,339	$	2,544	$	9,096	$	142,107

	December 31, 2016
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 Days		Total
U.S. Government-sponsored mortgage-backed securities	$	129,617	$	1,337	$	10,253	$	5,273	$	146,480

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Accumulated Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2017

Equity [Abstract]

Accumulated Other Comprehensive Income (Loss)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The following table summarizes the changes in the balances of each component of accumulated other comprehensive income (loss), net of tax, as of September 30, 2017 and 2016:

	Accumulated Other Comprehensive Income (Loss)
	Unrealized Gains (Losses) on Securities Available for Sale			Unrealized Gains (Losses) on Cash Flow Hedges			Unrealized Gains (Losses) on Defined Benefit Plans			Total
Balance at December 31, 2016	$	1,035		$	(1,774	)	$	(12,842	)	$	(13,581	)
Other comprehensive income before reclassifications	8,124			(246		)				7,878
Amounts reclassified from accumulated other comprehensive income	(973		)	493			(175		)	(655		)
Period change	7,151			247			(175		)	7,223
Balance at September 30, 2017	$	8,186		$	(1,527	)	$	(13,017	)	$	(6,358	)
Balance at December 31, 2015	$	12,325		$	(2,347	)	$	(11,340	)	$	(1,362	)
Other comprehensive income before reclassifications	7,863			(1,548		)				6,315
Amounts reclassified from accumulated other comprehensive income	(1,652		)	623						(1,029		)
Period change	6,211			(925		)	—			5,286
Balance at September 30, 2016	$	18,536		$	(3,272	)	$	(11,340	)	$	3,924

The following tables present the reclassification adjustments out of accumulated other comprehensive income (loss) that were included in net income in the Consolidated Condensed Statements of Income for the three and nine months ended September 30, 2017 and 2016.

	Amount Reclassified from Accumulated Other Comprehensive Income (Loss) For the Three Months Ended September 30,
Details about Accumulated Other Comprehensive Income (Loss)Components	2017			2016			Affected Line Item in the Statements of Income
Unrealized gains (losses) on available for sale securities (1)
Realized securities gains reclassified into income	$	332		$	839		Other income - net realized gains on sales of available for sale securities
Related income tax expense	(116		)	(294		)	Income tax expense
	$	216		$	545
Unrealized gains (losses) on cash flow hedges (2)
Interest rate contracts	$	(240	)	$	(317	)	Interest expense - subordinated debentures and term loans
Related income tax benefit	84			111			Income tax expense
	$	(156	)	$	(206	)
Unrealized gains (losses) on defined benefit plans
Amortization of prior service costs	$	89					Other expenses - salaries and employee benefits
Related income tax expense	(31		)				Income tax expense
	$	58		$	—
Total reclassifications for the period, net of tax	$	118		$	339

	Amount Reclassified from Accumulated Other Comprehensive Income (Loss) For the Nine Months Ended September 30,
Details about Accumulated Other Comprehensive Income (Loss)Components	2017			2016			Affected Line Item in the Statements of Income
Unrealized gains (losses) on available for sale securities (1)
Realized securities gains reclassified into income	$	1,497		$	2,542		Other income - net realized gains on sales of available for sale securities
Related income tax expense	(524		)	(890		)	Income tax expense
	$	973		$	1,652
Unrealized gains (losses) on cash flow hedges (2)
Interest rate contracts	$	(759	)	$	(959	)	Interest expense - subordinated debentures and term loans
Related income tax benefit	266			336			Income tax expense
	$	(493	)	$	(623	)
Unrealized gains (losses) on defined benefit plans
Amortization of net loss and prior service costs	$	269					Other expenses - salaries and employee benefits
Related income tax expense	(94		)				Income tax expense
	$	175		$	—
Total reclassifications for the period, net of tax	$	655		$	1,029

⁽¹⁾ For additional detail related to unrealized gains (losses) on available for sale securities and related amounts reclassified from accumulated other comprehensive income see NOTE 3. INVESTMENT SECURITIES, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

⁽²⁾ For additional detail related to unrealized gains (losses) on cash flow hedges and related amounts reclassified from accumulated other comprehensive income see NOTE 8. DERIVATIVE FINANCIAL INSTRUMENTS, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

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Share-Based Compensation

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-Based Compensation

SHARE-BASED COMPENSATION

Stock options and RSAs have been issued to directors, officers and other management employees under the Corporation's 1999 Long-term Equity Incentive Plan and the 2009 Long-term Equity Incentive Plan.  The stock options, which have a ten year life, become 100 percent vested ranging from six months to two years and are fully exercisable when vested. Option exercise prices equal the Corporation's common stock closing price on NASDAQ on the date of grant.  RSAs issued to employees and non-employee directors provide for the issuance of shares of the Corporation's common stock at no cost to the holder and generally vest after three years.  The RSAs vest only if the employee is actively employed by the Corporation on the vesting date and, therefore, any unvested shares are forfeited.  For non-employee directors, the RSAs vest only if the non-employee director remains as an active board member on the vesting date and, therefore, any unvested shares are forfeited. RSAs for employees and non-employee directors retired from the Corporation are either immediately vested at retirement or continue to vest after retirement, depending on the plan under which the shares were granted. Deferred Stock Units ("DSU") can be credited to non-employee directors who have elected to defer payment of compensation under the Corporation's 2008 Equity Compensation Plan for Non-employee Directors.  DSUs credited are equal to the restricted shares that the non-employee director would have received under the plan.  As of September 30, 2017, there were no outstanding DSUs.

The Corporation’s 2009 ESPP provides eligible employees of the Corporation and its subsidiaries an opportunity to purchase shares of common stock of the Corporation through quarterly offerings financed by payroll deductions. The price of the stock to be paid by the employees shall be equal to 85 percent of the average of the closing price of the Corporation’s common stock on each trading day during the offering period. However, in no event shall such purchase price be less than the lesser of an amount equal to 85 percent of the market price of the Corporation’s stock on the offering date or an amount equal to 85 percent of the market value on the date of purchase. Common stock purchases are made quarterly and are paid through advance payroll deductions up to a calendar year maximum of $25,000.

Compensation expense related to unvested share-based awards is recorded by recognizing the unamortized grant date fair value of these awards over the remaining service periods of those awards, with no change in historical reported fair values and earnings.  Awards are valued at fair value in accordance with provisions of share-based compensation guidance and are recognized on a straight-line basis over the service periods of each award. To complete the exercise of vested stock options, RSA’s and ESPP options, the Corporation generally issues new shares from its authorized but unissued share pool. Share-based compensation for the three and nine months ended September 30, 2017 was $823,000 and $1,884,000, respectively, compared to $648,000 and $1,883,000, respectively, for the three and nine months ended September 30, 2016. Share-based compensation has been recognized as a component of salaries and benefits expense in the accompanying Consolidated Condensed Statements of Income.

The estimated fair value of the stock options granted during 2014 and in prior years was calculated using a Black Scholes option pricing model.  There have been no stock options granted since 2014.

The Black Scholes model incorporates assumptions to value share-based awards. The risk-free rate of interest, for periods equal to the expected life of the option, is based on a U.S. government instrument over a similar contractual term of the equity instrument. Expected price volatility is based on historical volatility of the Corporation’s common stock.  In addition, the Corporation generally uses historical information to determine the dividend yield and weighted-average expected life of the options until exercise. Separate groups of employees that have similar historical exercise behavior with regard to option exercise timing and forfeiture rates are considered separately for valuation and attribution purposes.

Share-based compensation expense recognized in the Consolidated Condensed Statements of Income is based on awards ultimately expected to vest and is reduced for estimated forfeitures. Share-based compensation guidance requires forfeitures to be estimated at the time of grant and revised, if necessary, in subsequent periods, if actual forfeitures differ from those estimates. Pre-vesting forfeitures were estimated to be approximately 2.8 percent for the nine months ended September 30, 2017, based on historical experience.

The following table summarizes the components of the Corporation's share-based compensation awards recorded as expense and the income tax benefit of such awards. The income tax benefit increase in the three and nine months ended September 30, 2017 is due to the implementation of ASU 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. This ASU requires all income tax effects of awards to be recognized as income tax expense or benefit in the income statement when the awards vest or are settled. Implementation of the ASU was effective January 1, 2017 and resulted in approximately $9,000 and $846,000 of income tax benefit in the three and nine months ended September 30, 2017, respectively.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Stock and ESPP Options
Pre-tax compensation expense	$	23		$	18		$	93		$	54
Income tax expense (benefit)	(9		)	3			(313		)	12
Stock and ESPP option expense, net of income taxes	$	14		$	21		$	(220	)	$	66
Restricted Stock Awards
Pre-tax compensation expense	$	800		$	630		$	1,791		$	1,829
Income tax benefit	(280		)	(221		)	(1,160		)	(640		)
Restricted stock awards expense, net of income taxes	$	520		$	409		$	631		$	1,189
Total Share-Based Compensation
Pre-tax compensation expense	$	823		$	648		$	1,884		$	1,883
Income tax benefit	(289		)	(218		)	(1,473		)	(628		)
Total share-based compensation expense, net of income taxes	$	534		$	430		$	411		$	1,255

As of September 30, 2017, unrecognized compensation expense related to RSAs was $6,810,000 and is expected to be recognized over a weighted-average period of 1.66 years. The Corporation did not have any unrecognized compensation expense related to stock options as of September 30, 2017.

Stock option activity under the Corporation's stock option plans as of September 30, 2017 and changes during the nine months ended September 30, 2017, were as follows:

	Number of Shares		Weighted-Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2017	260,211		$	19.26
Granted
Exercised	(101,759	)	$	22.83
Canceled
OutstandingSeptember 30, 2017	158,452		$	16.96	2.55	$	4,114,422
Vested and Expected to Vest at September 30, 2017	158,452		$	16.96	2.55	$	4,114,422
Exercisable at September 30, 2017	158,452		$	16.96	2.55	$	4,114,422

The aggregate intrinsic value in the table above represents the total pre-tax intrinsic value (the difference between the Corporation's closing stock price on the last trading day of the first nine months of 2017 and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holders had all option holders exercised their stock options on September 30, 2017.  The amount of aggregate intrinsic value will change based on the fair market value of the Corporation's common stock. The aggregate intrinsic value of stock options exercised during the nine months ended September 30, 2017 and 2016 was $1,675,000 and $245,000, respectively. Cash receipts of stock options exercised during this same period were $2,323,000 and $309,000, respectively.

The following table summarizes information on unvested RSAs outstanding as of September 30, 2017:

	Number of Shares		Weighted-Average Grant Date Fair Value
Unvested RSAs at January 1, 2017	328,347		$	22.87
Granted	127,757		$	40.41
Vested	(84,795	)	$	20.45
Forfeited	(4,220	)	$	23.11
Unvested RSAs at September 30, 2017	367,089		$	29.53

The grant date fair value of ESPP options was estimated at the beginning of the July 1, 2017 quarterly offering period of approximately $23,000. The ESPP options vested during the three months ending September 30, 2017, leaving no unrecognized compensation expense related to unvested ESPP options at September 30, 2017.

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Income Tax

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Income Tax

INCOME TAX

The following table summarizes the major components creating differences between income taxes at the federal statutory and the effective tax rate recorded in the consolidated statements of income for the three and nine months ended September 30, 2017 and 2016:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Reconciliation of Federal Statutory to Actual Tax Expense:
Federal statutory income tax at 35%	$	11,304		$	9,985		$	32,900		$	27,481
Tax-exempt interest income	(2,881		)	(2,198		)	(8,062		)	(6,328		)
Share-based compensation	(78		)	(29		)	(862		)	(10		)
Tax-exempt earnings and gains on life insurance	(551		)	(216		)	(1,905		)	(1,186		)
Tax credits	(132		)	(165		)	(396		)	(423		)
Other	277			92			639			225
Actual Tax Expense	$	7,939		$	7,469		$	22,314		$	19,759
Effective Tax Rate	24.6		%	26.2		%	23.7		%	25.2		%

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Net Income Per Share

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Net Income Per Share

NET INCOME PER SHARE

Basic net income per share is computed by dividing net income by the weighted-average shares outstanding during the reporting period. Diluted net income per share is computed by dividing net income by the combination of the weighted-average shares outstanding during the reporting period and all potentially dilutive common shares. Potentially dilutive common shares include stock options and RSAs issued under the Corporation's share-based compensation plans. Potentially dilutive common shares are excluded from the computation of diluted earnings per share in the periods where the effect would be antidilutive.

The following table reconciles basic and diluted net income per share for the three and nine months ended September 30, 2017 and 2016.

	Three Months Ended September 30,
	2017					2016
	Net Income		Weighted-Average Shares	Per Share Amount		Net Income		Weighted-Average Shares	Per Share Amount
Net income available to common stockholders	$	24,358	48,431,880	$	0.50	$	21,059	40,779,423	$	0.51
Effect of potentially dilutive stock options and restricted stock awards			211,894					246,361
Diluted net income per share	$	24,358	48,643,774	$	0.50	$	21,059	41,025,784	$	0.51

	Nine Months Ended September 30,
	2017					2016
	Net Income		Weighted-Average Shares	Per Share Amount		Net Income		Weighted-Average Shares	Per Share Amount
Net income available to common stockholders	$	71,687	43,845,675	$	1.64	$	58,758	40,740,714	$	1.44
Effect of potentially dilutive stock options and restricted stock awards			217,544					229,501
Diluted net income per share	$	71,687	44,063,219	$	1.63	$	58,758	40,970,215	$	1.43

For the three months ended September 30, 2017, there were no stock options with an option price greater than the average market price of the common shares. Stock options to purchase 53,550 shares for the three months ended September 30, 2016 were excluded from the computation of diluted net income per share because the exercise price for the options was greater than the average market price of the common shares and, therefore, the effect would be antidilutive.

For the nine months ended September 30, 2017, there were no stock options with an option price greater than the average market price of the common shares. Stock options to purchase 119,157 shares for the nine months ended September 30, 2016 were excluded from the computation of diluted net income per share because the exercise price for the options was greater than the average market price of the common shares and, therefore, the effect would be antidilutive.

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Impact of Accounting Changes

9 Months Ended

Sep. 30, 2017

Accounting Changes and Error Corrections [Abstract]

Impact of Accounting Changes

IMPACT OF ACCOUNTING CHANGES

The Corporation continually monitors potential accounting changes and pronouncements. The following pronouncements have been deemed to have the most applicability to the Corporation's financial statements:

FASB Accounting Standards Update No. 2017-12 - Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities

Summary - The FASB has issued an Accounting Standards Update (ASU) No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities. The new standard is intended to improve and simplify accounting rules around hedge accounting. The ASU is effective for public companies in 2019 and private companies in 2020. Early adoption is permitted.

The new standard refines and expands hedge accounting for both financial (e.g., interest rate) and commodity risks. Its provisions create more transparency around how economic results are presented, both on the face of the financial statements and in the footnotes, for investors and analysts.

The new standard takes effect for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018, for public companies and for fiscal years beginning after December 15, 2019 (and interim periods for fiscal years beginning after December 15, 2020), for private companies. Early adoption is permitted in any interim period or fiscal years before the effective date of the standard. The Corporation plans to adopt ASU 2017-12 in the first quarter of 2019.

ASU 2017-12 requires a modified retrospective transition method in which the Corporation will recognize the cumulative effect of the change on the opening balance of each affected component of equity in the statement of financial position as of the date of adoption. While the Corporation continues to assess all potential impacts of the standard, adoption of the standard is not expected to have a significant effect on the Corporation’s consolidated financial statements.

FASB Accounting Standards Update No. 2017-08 - Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2017-08, Receivables-Nonrefundable Fees and Other Costs (Subtopic 310-20), Premium Amortization on Purchased Callable Debt Securities. The ASU shortens the amortization period for certain callable debt securities held at a premium to the earliest call date.

Under current GAAP, entities normally amortize the premium as an adjustment of yield over the contractual life of the instrument. Stakeholders have expressed concerns with the current approach on the basis that current GAAP excludes certain callable debt securities from consideration of early repayment of principal even if the holder is certain that the call will be exercised. As a result, upon the exercise of a call on a callable debt security held at a premium, the unamortized premium is recorded as a loss in earnings. Further, there is diversity in practice (1) in the amortization period for premiums of callable debt securities, and (2) in how the potential for exercise of a call is factored into current impairment assessments.

Another issue is that the practice in the United States is to quote, price, and trade callable debt securities assuming a model that incorporates consideration of calls (also referred to as “yield-to-worst” pricing).

The ASU shortens the amortization period for certain callable debt securities held at a premium and requires the premium to be amortized to the earliest call date. However, the amendments do not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity.

The amendments are effective for public business entities for annual periods beginning after December 15, 2018, including interim periods within those annual periods. For other entities, the amendments are effective for annual periods beginning after December 15, 2019, and interim periods within annual periods beginning after December 15, 2020. Early adoption is permitted.

Entities are required to apply the amendments on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. The entity is required to provide disclosures about a change in accounting principle in the period of adoption. The Corporation plans to adopt ASU 2017-08 in the first quarter of 2019. Adoption of this ASU is not expected to have a significant effect on the Corporation’s consolidated financial statements.

FASB Accounting Standards Update No. 2017-07 - Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The amendments apply to all employers, including not-for-profit entities, that offer to their employees defined benefit pension plans, other postretirement benefit plans, or other types of benefits accounted for under Topic 715, Compensation - Retirement Benefits.

The amendments require that an employer report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented. If a separate line item or items are used to present the other components of net benefit cost, that line item or items must be appropriately described. If a separate line item or items are not used, the line item or items used in the income statement to present the other components of net benefit cost must be disclosed.

The amendments also allow only the service cost component to be eligible for capitalization when applicable (e.g., as a cost of internally manufactured inventory or a self-constructed asset).

The amendments are effective for public business entities for annual periods beginning after December 15, 2017, including interim periods within those annual periods. For other entities, the amendments are effective for annual periods beginning after December 15, 2018, and interim periods within annual periods beginning after December 15, 2019. Early adoption is permitted as of the beginning of an annual period for which financial statements (interim or annual) have not been issued or made available for issuance. The Corporation plans to adopt this ASU in the first quarter of 2018. Adoption of this ASU is not expected to have a significant effect on the Corporation’s consolidated financial statements.

FASB Accounting Standards Update No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This new guidance was issued to address concerns that current generally accepted accounting principles (GAAP) restricts the ability to record credit losses that are expected, but do not yet meet the “probable” threshold by replacing the current “incurred loss” model for recognizing credit losses with an “expected life of loan loss” model referred to as the Current Expected Credit Loss (CECL) model.

Under the CECL model, certain financial assets carried at amortized cost, such as loans held for investment and held-to-maturity debt securities, are required to be presented at the net amount expected to be collected. The measurement of expected credit losses is to be based on information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. This measurement will take place at the time the financial asset is first added to the balance sheet and periodically thereafter. This differs significantly from the “incurred loss” model required under current GAAP, which delays recognition until it is probable a loss has been incurred. The change could materially affect how the allowance for loan losses is determined and cause a charge to earnings through the provision for loan losses. Such would adversely affect the financial condition of the Corporation.

The ASU is effective for SEC filers for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019 (i.e., January 1, 2020, for calendar year entities). Early application will be permitted for all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. The Corporation plans to adopt this ASU in the first quarter of 2020.

The impact of CECL model implementation is being evaluated, but it’s expected a one-time cumulative-effect adjustment to the allowance for loan losses will be recognized in retained earnings on the consolidated balance sheet as of the beginning of the first reporting period in which the new standard is effective, as is consistent with regulatory expectations set forth in interagency guidance issued at the end of 2016. The magnitude of any such adjustment or the overall impact of the new standard on financial condition or results of operations cannot yet be determined.

FASB Accounting Standards Update No. 2016-02 - Leases (Topic 842)

Summary - The FASB has issued its new lease accounting guidance in Accounting Standards Update (ASU) No. 2016-02, Leases (Topic 842). Under the new guidance, lessees will be required to recognize the following for all leases (with the exception of short-term leases) at the commencement date:

• A lease liability, which is a lessee‘s obligation to make lease payments arising from a lease, measured on a discounted basis; and

• A right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term.

Under the new guidance, lessor accounting is largely unchanged. Certain targeted improvements were made to align, where necessary, lessor accounting with the lessee accounting model and Topic 606, Revenue from Contracts with Customers. The new lease guidance simplified the accounting for sale and leaseback transactions primarily because lessees must recognize lease assets and lease liabilities. Lessees will no longer be provided with a source of off-balance sheet financing.

Public business entities should apply the amendments in ASU 2016-02 for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years (i.e., January 1, 2019, for a calendar year entity). Nonpublic business entities should apply the amendments for fiscal years beginning after December 15, 2019 (i.e., January 1, 2020, for a calendar year entity), and interim periods within fiscal years beginning after December 15, 2020. Early application is permitted for all public business entities and all nonpublic business entities upon issuance.

Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. The impact of this ASU is being evaluated, but it’s expected a one-time adjustment to the Corporation’s other assets and other liabilities on the consolidated balance sheet will occur as of the beginning of the first reporting period in which the new standard is effective. The magnitude of any such adjustment or the overall impact of the new standard on financial condition, results of operations and regulatory capital cannot yet be determined.

FASB Accounting Standards Updates No. 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities. The new guidance is intended to improve the recognition and measurement of financial instruments. The ASU affects public and private companies, not-for-profit organizations, and employee benefit plans that hold financial assets or owe financial liabilities.

The new guidance makes targeted improvements to existing U.S. GAAP by:

• Requiring equity investments (except those accounted for under the equity method of accounting, or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income;

• Requiring public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes;

• Requiring separate presentation of financial assets and financial liabilities by measurement category and form of financial asset (i.e., securities or loans and receivables) on the balance sheet or the accompanying notes to the financial statements;

• Eliminating the requirement to disclose the fair value of financial instruments measured at amortized cost for organizations that are not public business entities;

• Eliminating the requirement for public business entities to disclose the method(s) and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet; and

• Requiring a reporting organization to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk (also referred to as “own credit”) when the organization has elected to measure the liability at fair value in accordance with the fair value option for financial instruments.

The new guidance is effective for public companies for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. For private companies, not-for-profit organizations, and employee benefit plans, the new guidance becomes effective for fiscal years beginning after December 15, 2018, and for interim periods within fiscal years beginning after December 15, 2019. The new guidance permits early adoption of the own credit provision. In addition, the new guidance permits early adoption of the provision that exempts private companies and not-for-profit organizations from having to disclose fair value information about financial instruments measured at amortized cost. The Corporation plans to adopt this ASU in the first quarter of 2018. Adoption of this ASU is not expected to have a significant effect on the Corporation’s consolidated financial statements.

FASB Accounting Standards Updates No. 2014-09, Revenue from Contracts with Customers (Topic 606):

Summary - The FASB has issued Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers (Topic 606). The amendments in this update supersede virtually all existing GAAP revenue recognition guidance, including most industry-specific revenue recognition guidance. ASU 2014-09 creates a single, principle-based revenue recognition framework and will require entities to apply significantly more judgment and expanded disclosures surrounding revenue recognition. The core principle requires an entity to recognize revenue in a manner that depicts the transfer of goods or services to customers at an amount that reflects the consideration to which the entity expects to be entitled in exchange for those good or services. ASU 2014-09 applies to contracts with customers to provide goods and services, with certain exclusion such as lease contracts, financing arrangements and financial instruments. The amendments in ASU 2014-09 are effective for annual reporting periods beginning after December 15, 2017. Early adoption is permitted for annual reporting periods beginning after December 15, 2016.

The Corporation’s revenue is comprised of net interest income on financial assets and financial liabilities, which is explicitly excluded from the scope of ASU 2014-09, and non-interest income. We are finalizing our in-depth assessment and have identified the revenue line items within the scope of this new guidance. Our accounting policies will not materially change since the principles of revenue recognition from the ASU are largely consistent with existing guidance and our current practices. While certain implementation issues relevant to our industry are still pending resolution, such as the applicability of interchange revenues, our preliminary conclusions reached as to the application of this new guidance are not expected to be significantly affected. We have elected to implement using the modified retrospective application, with the cumulative effect recorded as an adjustment to opening retained earnings at January 1, 2018. We will provide qualitative disclosures of our performance obligations related to revenue recognition and we continue to evaluate disaggregation for significant categories of revenue in the scope of the guidance.

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General Litigation and Regulatory Examinations

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

General Litigation and Regulatory Examinations

GENERAL LITIGATION AND REGULATORY EXAMINATIONS

The Corporation is subject to claims and lawsuits that arise primarily in the ordinary course of business. Additionally, the Corporation is subject to periodic examinations by various regulatory agencies. It is the opinion of management that the disposition or ultimate resolution of such claims, lawsuits, and examinations will not have a material adverse effect on the consolidated financial position, results of operations and cash flow of the Corporation.

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Acquisitions (Tables)

9 Months Ended

Sep. 30, 2017

Business Combinations [Abstract]

Schedule of preliminary valuations of the fair value of assets acquired and liabilities assumed

	Fair Value
Cash and cash equivalents	$	6,016
Interest-bearing time deposits	248,212
Investment securities	4,078
Loans held for sale	594
Loans	725,382
Premises and equipment	10,107
Federal Home Loan Bank stock	4,810
Interest receivable	3,445
Cash surrender value of life insurance	26,964
Other assets	11,780
Deposits	(862,271		)
Securities sold under repurchase agreements	(17,915		)
Federal Home Loan Bank Advances	(47,575		)
Subordinated debentures	(10,583		)
Interest payable	(1,005		)
Other liabilities	(14,472		)
Net tangible assets acquired	87,567
Other Intangible assets	17,403
Goodwill	153,636
Purchase price	$	258,606

	Fair Value
Cash and cash equivalents	$	48,532
Interest-bearing time deposits	292
Loans held for sale	7,626
Loans	224,680
Premises and equipment	1,986
Federal Home Loan Bank stock	1,091
Interest receivable	653
Other assets	1,620
Deposits	(252,783		)
Interest payable	(244		)
Other liabilities	(3,106		)
Net tangible assets acquired	30,347
Core deposit intangible	4,526
Goodwill	47,719
Purchase price	$	82,592

Schedule of Acquired Loan Data

Acquired loan data for Arlington Bank can be found in the table below:

	Fair Value of Acquired Loans at Acquisition Date		Gross Contractual Amounts Receivable at Acquisition Date		Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected
Acquired receivables subject to ASC 310-30	$	2,625	$	6,183	$	2,891
Acquired receivables not subject to ASC 310-30	$	222,055	$	308,857	$	2,741

Acquired loan data for IAB can be found in the table below:

	Fair Value of Acquired Loans at Acquisition Date		Gross Contractual Amounts Receivable at Acquisition Date		Best Estimate at Acquisition Date of Contractual Cash Flows Not Expected to be Collected
Acquired receivables subject to ASC 310-30	$	4,838	$	14,131	$	8,352
Acquired receivables not subject to ASC 310-30	$	720,544	$	864,613	$	9,786

Schedule of pro forma financial information

The results of operations of Arlington Bank and IAB have been included in the Corporation's consolidated financial statements since the acquisition dates. The following schedule includes pro forma results for the three and nine months ended September 30, 2017 and the annual period ended December 31, 2016, as if the Arlington Bank and IAB acquisitions occurred as of the beginning of the periods presented.

	Three Months Ended September 30, 2017		Nine Months Ended September 30, 2017
Total revenue (net interest income plus other income)	$	96,178	$	281,392
Net income	$	19,603	$	70,651
Net income available to common shareholders
Earnings per share:
Basic	$	0.40	$	1.44
Diluted	$	0.39	$	1.43

	2016
Total revenue (net interest income plus other income)	$	353,732
Net income	$	95,288
Earnings per share:
Basic	$	1.95
Diluted	$	1.94

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Investment Securities (Tables)

9 Months Ended

Sep. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized cost, gross unrealized gains, gross unrealized losses and approximate fair value of investment securities

The amortized cost, gross unrealized gains, gross unrealized losses and approximate market value of the Corporation's investment securities at the dates indicated were:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available for sale at September 30, 2017
U.S. Treasury	$	250					$	250
State and municipal	452,666		$	13,748	$	2,006	464,408
U.S. Government-sponsored mortgage-backed securities	423,390		2,242		1,957		423,675
Corporate obligations	31						31
Equity securities	2,357						2,357
Total available for sale	878,694		15,990		3,963		890,721
Held to maturity at September 30, 2017
U.S. Government-sponsored agency securities	22,618				311		22,307
State and municipal	237,257		5,935		575		242,617
U.S. Government-sponsored mortgage-backed securities	317,291		4,867		812		321,346
Foreign Investments	1,000						1,000
Total held to maturity	578,166		10,802		1,698		587,270
Total Investment Securities	$	1,456,860	$	26,792	$	5,661	$	1,477,991

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available for sale at December 31, 2016
U.S. Government-sponsored agency securities	$	100					$	100
State and municipal	360,779		$	8,443	$	5,564	363,658
U.S. Government-sponsored mortgage-backed securities	313,459		1,904		3,071		312,292
Corporate obligations	31						31
Equity securities	21,820				1,039		20,781
Total available for sale	696,189		10,347		9,674		696,862
Held to maturity at December 31, 2016
U.S. Government-sponsored agency securities	22,619				479		22,140
State and municipal	224,811		3,136		1,796		226,151
U.S. Government-sponsored mortgage-backed securities	360,213		4,956		1,527		363,642
Total held to maturity	607,643		8,092		3,802		611,933
Total Investment Securities	$	1,303,832	$	18,439	$	13,476	$	1,308,795

Schedule of amortized cost and fair value of available for sale securities and held to maturity securities

The amortized cost and fair value of available for sale and held to maturity securities at September 30, 2017 and December 31, 2016, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Available for Sale				Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Maturity Distribution at September 30, 2017:
Due in one year or less	$	674	$	675	$	7,329	$	7,417
Due after one through five years	8,970		9,398		79,466		80,423
Due after five through ten years	84,977		88,832		53,423		54,573
Due after ten years	358,326		365,784		120,657		123,511
	$	452,947	$	464,689	$	260,875	$	265,924
U.S. Government-sponsored mortgage-backed securities	423,390		423,675		317,291		321,346
Equity securities	2,357		2,357
Total Investment Securities	$	878,694	$	890,721	$	578,166	$	587,270

	Available for Sale				Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Maturity Distribution at December 31, 2016
Due in one year or less	$	2,703	$	2,717	$	2,046	$	2,047
Due after one through five years	16,359		17,068		61,921		63,193
Due after five through ten years	60,614		62,241		61,606		61,145
Due after ten years	281,234		281,763		121,857		121,906
	$	360,910	$	363,789	$	247,430	$	248,291
U.S. Government-sponsored mortgage-backed securities	313,459		312,292		360,213		363,642
Equity securities	21,820		20,781
Total Investment Securities	$	696,189	$	696,862	$	607,643	$	611,933

Schedule of gross gains on sales and redemptions of available for sale securities

Gross gains on the sales and redemptions of available for sale securities for the three and nine months ended September 30, 2017 and 2016 are shown below.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Sales and Redemptions of Available for Sale Securities:
Gross gains	$	382	$	839	$	1,547	$	2,542
Gross losses	50				50

Schedule of investment securities with unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position

The following tables show the Corporation’s gross unrealized losses and fair value, aggregated by investment category and length of time the individual securities have been in a continuous unrealized loss position at September 30, 2017, and December 31, 2016:

	Less than 12 Months				12 Months or Longer				Total
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Temporarily Impaired Available for Sale Securities at September 30, 2017
State and municipal	$	76,469	$	959	$	21,693	$	1,047	$	98,162	$	2,006
U.S. Government-sponsored mortgage-backed securities	153,833		1,794		8,149		163		161,982		1,957
Total Temporarily Impaired Available for Sale Securities	230,302		2,753		29,842		1,210		260,144		3,963
Temporarily Impaired Held to Maturity Securities at September 30, 2017
U.S. Government-sponsored agency securities	9,941		78		12,267		233		22,208		311
State and municipal	18,754		402		6,216		173		24,970		575
U.S. Government-sponsored mortgage-backed securities	74,950		812						74,950		812
Total Temporarily Impaired Held to Maturity Securities	103,645		1,292		18,483		406		122,128		1,698
Total Temporarily Impaired Investment Securities	$	333,947	$	4,045	$	48,325	$	1,616	$	382,272	$	5,661

	Less than 12 Months				12 Months or Longer		Total
	Fair Value		Gross Unrealized Losses		Fair Value	Gross Unrealized Losses	Fair Value		Gross Unrealized Losses
Temporarily Impaired Available for Sale Securities at December 31, 2016
State and municipal	$	126,593	$	5,564			$	126,593	$	5,564
U.S. Government-sponsored mortgage-backed securities	185,544		3,071				185,544		3,071
Equity Securities	18,765		1,039				18,765		1,039
Total Temporarily Impaired Available for Sale Securities	330,902		9,674				330,902		9,674
Temporarily Impaired Held to Maturity Securities at December 31, 2016
U.S. Government-sponsored agency securities	19,121		479				19,121		479
State and municipal	50,897		1,796				50,897		1,796
U.S. Government-sponsored mortgage-backed securities	109,377		1,527				109,377		1,527
Total Temporarily Impaired Held to Maturity Securities	179,395		3,802				179,395		3,802
Total Temporarily Impaired Investment Securities	$	510,297	$	13,476			$	510,297	$	13,476

Schedule of investments in debt and equity securities reported in the financial statements at an amount less than their historical cost

Certain investments in debt and equity securities are reported in the financial statements at an amount less than their historical cost as indicated in the table below.

	September 30, 2017			December 31, 2016
Investments reported at less than historical cost:
Historical cost	$	388,181		$	523,773
Fair value	$	382,272		$	510,297
Percent of the Corporation's investment portfolio	26.0		%	39.1		%

XML

Loans and Allowance (Tables)

9 Months Ended

Sep. 30, 2017

Receivables [Abstract]

Composition of loan portfolio by loan class

The following table shows the composition of the Corporation’s loan portfolio by loan class for the periods indicated:

	September 30, 2017			December 31, 2016
Commercial and industrial loans	$	1,436,092		$	1,194,646
Agricultural production financing and other loans to farmers	117,751			79,689
Real estate loans:
Construction	498,862			418,703
Commercial and farmland	2,571,253			1,953,062
Residential	938,437			739,169
Home equity	502,240			418,525
Individuals' loans for household and other personal expenditures	86,406			77,479
Lease financing receivables, net of unearned income	3,877			311
Other commercial loans	328,530			258,061
Loans	$	6,483,448		$	5,139,645
Allowance for loan losses	(73,354		)	(66,037		)
Net Loans	$	6,410,094		$	5,073,608

Changes in allowance for loan losses

The following tables summarize changes in the allowance for loan losses by loan segment for the three and nine months ended September 30, 2017, and September 30, 2016:

	Three Months Ended September 30, 2017
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, June 30, 2017	$	28,906		$	25,236		$	3,372		$	12,955		$	2	$	70,471
Provision for losses	921			374			342			446					2,083
Recoveries on loans	324			1,327			51			157					1,859
Loans charged-off	(468		)	(190		)	(174		)	(227		)			(1,059		)
Balances, September 30, 2017	$	29,683		$	26,747		$	3,591		$	13,331		$	2	$	73,354

	Nine Months Ended September 30, 2017
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, December 31, 2016	$	27,696		$	23,661		$	2,923		$	11,755		$	2	$	66,037
Provision for losses	2,279			2,023			877			2,164					7,343
Recoveries on loans	987			2,066			253			547					3,853
Loans charged-off	(1,279		)	(1,003		)	(462		)	(1,135		)			(3,879		)
Balances, September 30, 2017	$	29,683		$	26,747		$	3,591		$	13,331		$	2	$	73,354

	Three Months Ended September 30, 2016
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, June 30, 2016	$	26,321		$	22,280		$	2,684		$	10,899		$	2	$	62,186
Provision for losses	727			578			115			480					1,900
Recoveries on loans	175			651			101			324					1,251
Loans charged-off	(720		)	(572		)	(114		)	(475		)			(1,881		)
Balances, September 30, 2016	$	26,503		$	22,937		$	2,786		$	11,228		$	2	$	63,456

	Nine Months Ended September 30, 2016
	Commercial			Commercial Real Estate			Consumer			Residential			Finance Leases		Total
Allowance for loan losses:
Balances, December 31, 2015	$	26,478		$	22,145		$	2,689		$	11,139		$	2	$	62,453
Provision for losses	1,266			992			192			790					3,240
Recoveries on loans	1,150			1,879			286			909					4,224
Loans charged-off	(2,391		)	(2,079		)	(381		)	(1,610		)			(6,461		)
Balances, September 30, 2016	$	26,503		$	22,937		$	2,786		$	11,228		$	2	$	63,456

Allowance for credit losses and loan portfolio by loan segment

The following tables show the Corporation’s allowance for loan losses and loan portfolio by segment as of the periods indicated:

	September 30, 2017
	Commercial		Commercial Real Estate		Consumer		Residential		Finance Leases		Total
Allowance Balances:
Individually evaluated for impairment	$	476	$	923			$	389			$	1,788
Collectively evaluated for impairment	29,207		25,824		$	3,591	12,942		$	2	71,566
Loans Acquired with Deteriorated Credit Quality
Total Allowance for Loan Losses	$	29,683	$	26,747	$	3,591	$	13,331	$	2	$	73,354
Loan Balances:
Individually evaluated for impairment	$	6,781	$	18,911	$	6	$	4,073			$	29,771
Collectively evaluated for impairment	1,874,225		3,027,247		86,400		1,435,089		$	3,877	6,426,838
Loans Acquired with Deteriorated Credit Quality	1,367		23,957				1,515				26,839
Loans	$	1,882,373	$	3,070,115	$	86,406	$	1,440,677	$	3,877	$	6,483,448

	December 31, 2016
	Commercial		Commercial Real Estate		Consumer		Residential		Finance Leases		Total
Allowance Balances:
Individually evaluated for impairment	$	37	$	553			$	298			$	888
Collectively evaluated for impairment	27,659		23,108		$	2,923	11,457		$	2	65,149
Loans Acquired with Deteriorated Credit Quality
Total Allowance for Loan Losses	$	27,696	$	23,661	$	2,923	$	11,755	$	2	$	66,037
Loan Balances:
Individually evaluated for impairment	$	4,762	$	21,358	$	9	$	4,450			$	30,579
Collectively evaluated for impairment	1,520,981		2,315,686		77,470		1,151,396		$	311	5,065,844
Loans Acquired with Deteriorated Credit Quality	6,653		34,721				1,848				43,222
Loans	$	1,532,396	$	2,371,765	$	77,479	$	1,157,694	$	311	$	5,139,645

Summary of non-accrual loans by loan class

The following table summarizes the Corporation’s non-accrual loans by loan class as of the periods indicated:

	September 30, 2017		December 31, 2016
Commercial and industrial loans	$	4,910	$	1,839
Agriculture production financing and other loans to farmers	1,282		1,329
Real estate loans:
Construction	67		73
Commercial and farmland	12,152		15,754
Residential	11,973		9,523
Home equity	1,818		1,457
Individuals' loans for household and other personal expenditures	51		23
Total	$	32,253	$	29,998

Composition of impaired loans by loan class

The following tables show the composition of the Corporation’s commercial impaired loans, related allowance and interest income recognized while impaired by loan class as of the periods indicated:

	September 30, 2017
	Unpaid Principal Balance		Recorded Investment		Related Allowance
Impaired loans with no related allowance:
Commercial and industrial loans	$	15,443	$	4,526
Agriculture production financing and other loans to farmers	1,818		1,489
Real estate Loans:
Construction	2,583		1,422
Commercial and farmland	51,302		38,098
Residential	5,611		3,310
Home equity	195		154
Total	76,952		48,999
Impaired loans with related allowance:
Commercial and industrial loans	1,824		1,796		$	206
Agriculture production financing and other loans to farmers	357		337		270
Real estate Loans:
Commercial and farmland	4,077		3,347		923
Total	6,258		5,480		1,399
Total Impaired Loans	$	83,210	$	54,479	$	1,399

	December 31, 2016
	Unpaid Principal Balance		Recorded Investment		Related Allowance
Impaired loans with no related allowance:
Commercial and industrial loans	$	17,645	$	10,074
Agriculture production financing and other loans to farmers	757		680
Real estate Loans:
Construction	5,946		3,178
Commercial and farmland	67,936		49,731
Residential	8,039		4,664
Home equity	82		44
Other commercial loans	11
Total	100,416		68,371
Impaired loans with related allowance:
Agriculture production financing and other loans to farmers	660		660		$	36
Real estate Loans:
Commercial and farmland	4,238		2,985		553
Residential	65		34		23
Total	4,963		3,679		612
Total Impaired Loans	$	105,379	$	72,050	$	612

	Three Months Ended September 30, 2017				Nine Months Ended September 30, 2017
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Impaired loans with no related allowance:
Commercial and industrial loans	$	4,668	$	56	$	8,821	$	149
Agriculture production financing and other loans to farmers	1,489		9		1,491		9
Real estate Loans:
Construction	1,427		26		1,438		36
Commercial and farmland	40,668		475		42,459		1,266
Residential	3,410		31		3,637		92
Home equity	158		1		163		1
Total	51,820		598		58,009		1,553
Impaired loans with related allowance:
Commercial and industrial loans	1,796				1,796
Agriculture production financing and other loans to farmers	337				337
Real estate Loans:
Commercial and farmland	3,359				3,377		4
Total	5,492				5,510		4
Total Impaired Loans	$	57,312	$	598	$	63,519	$	1,557

	Three Months Ended September 30, 2016				Nine Months Ended September 30, 2016
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Impaired loans with no related allowance:
Commercial and industrial loans	$	10,025	$	89	$	10,436	$	261
Agriculture production financing and other loans to farmers	636		3		644		3
Real estate Loans:
Construction	3,526		72		3,572		215
Commercial and farmland	61,903		854		63,722		2,576
Residential	5,081		40		5,453		118
Home equity	44				57
Total	81,215		1,058		83,884		3,173
Impaired loans with related allowance:
Commercial and industrial loans	469				471
Agriculture production financing and other loans to farmers	1,164		6		1,236		6
Real estate Loans:
Commercial and farmland	1,850				1,894
Residential	34				39
Total	3,517		6		3,640		6
Total Impaired Loans	$	84,732	$	1,064	$	87,524	$	3,179

Credit quality of loan portfolio by loan class

The following tables summarize the credit quality of the Corporation’s loan portfolio, by loan class for the periods indicated.  Consumer non-performing loans include accruing consumer loans 90 plus days delinquent and consumer non-accrual loans.  The entire balance of a loan is considered delinquent if the minimum payment contractually required to be made is not received by the specified date. Loans that evidenced deterioration of credit quality since origination and it was probable, at acquisition, that all contractually required payments would not be collected are included in the applicable categories below.

	September 30, 2017
	Commercial Pass		Commercial Special Mention		Commercial Substandard		Commercial Doubtful		Commercial Loss	Consumer Performing		Consumer Non-Performing		Total
Commercial and industrial loans	$	1,366,945	$	43,245	$	25,234	$	668						$	1,436,092
Agriculture production financing and other loans to farmers	64,699		29,765		22,516		622			$	149			117,751
Real estate Loans:
Construction	469,967		1,619		986					26,155		$	135	498,862
Commercial and farmland	2,409,972		70,397		85,732		1,976			3,173		3		2,571,253
Residential	175,260		4,161		4,259		149			743,713		10,895		938,437
Home equity	25,610				124		112			474,465		1,929		502,240
Individuals' loans for household and other personal expenditures										86,340		66		86,406
Lease financing receivables, net of unearned income	3,497		380											3,877
Other commercial loans	327,483				1,047									328,530
Loans	$	4,843,433	$	149,567	$	139,898	$	3,527		$	1,333,995	$	13,028	$	6,483,448

	December 31, 2016
	Commercial Pass		Commercial Special Mention		Commercial Substandard		Commercial Doubtful	Commercial Loss	Consumer Performing		Consumer Non-Performing		Total
Commercial and industrial loans	$	1,117,545	$	30,919	$	46,182							$	1,194,646
Agriculture production financing and other loans to farmers	30,712		25,273		23,704								79,689
Real estate Loans:
Construction	398,646		3,490		1,858				$	14,636	$	73	418,703
Commercial and farmland	1,811,367		60,028		80,626				1,034		7		1,953,062
Residential	146,251		5,106		6,046				574,054		7,712		739,169
Home equity	7,310		47		516				409,237		1,415		418,525
Individuals' loans for household and other personal expenditures									77,456		23		77,479
Lease financing receivables, net of unearned income	228				83								311
Other commercial loans	257,861				200								258,061
Loans	$	3,769,920	$	124,863	$	159,215			$	1,076,417	$	9,230	$	5,139,645

Past due aging of loan portfolio by loan class

The tables below show a past due aging of the Corporation’s loan portfolio, by loan class, as of September 30, 2017, and December 31, 2016.

	September 30, 2017
	Current		30-59 Days Past Due		60-89 Days Past Due		Loans > 90 Days And Accruing		Non-Accrual		Total Past Due & Non-Accrual		Total
Commercial and industrial loans	$	1,430,469	$	196	$	492	$	25	$	4,910	$	5,623	$	1,436,092
Agriculture production financing and other loans to farmers	116,410		59						1,282		1,341		117,751
Real estate loans:
Construction	498,233		432		62		68		67		629		498,862
Commercial and farmland	2,555,261		2,952		879		9		12,152		15,992		2,571,253
Residential	922,848		2,960		613		43		11,973		15,589		938,437
Home equity	497,692		1,880		585		265		1,818		4,548		502,240
Individuals' loans for household and other personal expenditures	85,877		300		163		15		51		529		86,406
Lease financing receivables, net of unearned income	3,877												3,877
Other commercial loans	328,390				140						140		328,530
Loans	$	6,439,057	$	8,779	$	2,934	$	425	$	32,253	$	44,391	$	6,483,448

	December 31, 2016
	Current		30-59 Days Past Due		60-89 Days Past Due		Loans > 90 Days And Accruing		Non-Accrual		Total Past Due & Non-Accrual		Total
Commercial and industrial loans	$	1,192,079	$	466	$	162	$	100	$	1,839	$	2,567	$	1,194,646
Agriculture production financing and other loans to farmers	78,360								1,329		1,329		79,689
Real estate loans:
Construction	415,975		2,655						73		2,728		418,703
Commercial and farmland	1,932,896		1,385		3,027				15,754		20,166		1,953,062
Residential	725,338		3,664		635		9		9,523		13,831		739,169
Home equity	415,969		850		246		3		1,457		2,556		418,525
Individuals' loans for household and other personal expenditures	76,929		470		57				23		550		77,479
Lease financing receivables, net of unearned income	311												311
Other commercial loans	258,061												258,061
Loans	$	5,095,918	$	9,490	$	4,127	$	112	$	29,998	$	43,727	$	5,139,645

Schedules of troubled debt restructurings

The following tables summarize troubled debt restructurings in the Corporation's loan portfolio that occurred during the periods indicated:

	Three Months Ended September 30, 2017					Nine Months Ended September 30, 2017
	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans
Commercial and industrial loans	$	6	$	6	1	$	400	$	176	2
Real estate loans:
Commercial and farmland						357		492		6
Residential	120		122		1	570		520		8
Home equity	68		73		2	190		73		2
Total	$	194	$	201	4	$	1,517	$	1,261	18

	Three Months Ended September 30, 2016					Nine Months Ended September 30, 2016
	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans	Pre-Modification Recorded Balance		Post-Modification Recorded Balance		Number of Loans
Commercial and industrial loans						$	260	$	260	3
Agriculture production financing and other loans to farmers						1,606		1,472		5
Real estate loans:
Commercial and farmland	$	87	$	95	1	3,978		3,955		7
Residential	611		678		11	724		811		14
Home equity	55		58		2	229		204		3
Total	$	753	$	831	14	$	6,797	$	6,702	32

The following tables summarize the recorded investment of troubled debt restructurings as of September 30, 2017 and 2016, by modification type, that occurred during the periods indicated:

	Three Months Ended September 30, 2017
	Term Modification		Rate Modification		Combination	Total Modification
Commercial and industrial loans	$	5				$	5
Real estate loans:
Residential			$	122		122
Home equity			73			73
Total	$	5	$	195		$	200

	Nine Months Ended September 30, 2017
	Term Modification		Rate Modification		Combination		Total Modification
Commercial and industrial loans	$	5			$	168	$	173
Real estate loans:
Commercial and farmland	41		$	61	232		334
Residential			466		42		508
Home Equity			73				73
Total	$	46	$	600	$	442	$	1,088

	Three Months Ended September 30, 2016
	Term Modification	Rate Modification		Combination		Total Modification
Real estate loans:
Commercial and farmland				$	95	$	95
Residential		$	663			663
Home equity		56				56
Total		$	719	$	95	$	814

	Nine Months Ended September 30, 2016
	Term Modification		Rate Modification		Combination		Total Modification
Commercial and industrial loans					$	197	$	197
Agriculture production financing and other loans to farmers	$	898					898
Real estate loans:
Commercial and farmland	416				3,487		3,903
Residential			$	773			773
Home equity			197				197
Total	$	1,314	$	970	$	3,684	$	5,968

Troubled debt restructurings that subsequently defaulted

The following table summarizes troubled debt restructures that occurred during the twelve months ended September 30, 2016, that subsequently defaulted during the period indicated and remained in default at period end. For purposes of this discussion, a loan is considered in default if it is 30 or more days past due.

	Three Months Ended September 30, 2016			Nine Months Ended September 30, 2016
	Number of Loans	Recorded Balance		Number of Loans	Recorded Balance
Commercial and industrial loans				3	$	197
Real estate loans:
Residential	1	$	54	1	54
Total	1	$	54	4	$	251

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Accounting for Certain Loans Acquired in a Purchase (Tables)

9 Months Ended

Sep. 30, 2017

Receivables [Abstract]

Schedule of outstanding balance and carrying amount of loans acquired during the period

The following tables include the outstanding balance and carrying amount of all acquired loans which were included in the Corporation's balance sheet at September 30, 2017, and December 31, 2016.

	September 30, 2017
	IAB			Arlington Bank			Ameriana			C Financial			Community			CFS			SCB			Total
Outstanding Balance:
Commercial and industrial loans	$	107,827		$	4,131		$	4,823		$	70		$	409		$	9,509		$	2,171		$	128,940
Agricultural production financing and other loans to farmers	39,558												93			50			1,116			40,817
Real estate loans:
Construction	32,866			16,025			9,269			1,122			1,721			103						61,106
Commercial and farmland	370,664			84,212			83,030			18,149			29,681			83,186			6,970			675,892
Residential	106,466			71,752			89,773			35,027			6,845			83,421			3,104			396,388
Home equity	38,581			26,918			9,333			6,211			4,615			21,306			10,298			117,262
Individuals' loans for household and other personal expenditures	4,236			755			417						89			57			23			5,577
Lease financing receivables, net of unearned income	2,405																					2,405
Other commercial loans	12,960			94			1,745									60						14,859
Total	715,563			203,887			198,390			60,579			43,453			197,692			23,682			1,443,246
Remaining fair value discount	(22,501		)	(5,901		)	(7,065		)	(1,383		)	(2,545		)	(6,185		)	(2,298		)	(47,878		)
Carrying amount	693,062			197,986			191,325			59,196			40,908			191,507			21,384			1,395,368
Allowance	362						411						52			38						863
Carrying amount net of allowance	$	692,700		$	197,986		$	190,914		$	59,196		$	40,856		$	191,469		$	21,384		$	1,394,505

	December 31, 2016
	Ameriana			C Financial			Community			CFS			SCB			Total
Outstanding Balance:
Commercial and industrial loans	$	8,003		$	85		$	2,269		$	23,327		$	3,552		$	37,236
Agricultural production financing and other loans to farmers							1,030			50			1,630			2,710
Real estate loans:
Construction	22,017			2,835			4,026			420						29,298
Commercial and farmland	103,075			22,130			36,947			131,895			9,315			303,362
Residential	103,414			44,101			9,363			96,627			4,135			257,640
Home equity	11,728			7,947			6,326			26,894			11,924			64,819
Individuals' loans for household and other personal expenditures	762			2			147			201			30			1,142
Other commercial loans	1,825									65						1,890
Total	250,824			77,100			60,108			279,479			30,586			698,097
Remaining fair value discount	(10,771		)	(1,906		)	(4,101		)	(12,634		)	(3,268		)	(32,680		)
Carrying amount	240,053			75,194			56,007			266,845			27,318			665,417
Allowance	265						23			92						380
Carrying amount net of allowance	$	239,788		$	75,194		$	55,984		$	266,753		$	27,318		$	665,037

Schedule of accretable yield, or income expected to be collected, and reclassifications from nonaccretable yield

The accretable yield, or income expected to be collected, and reclassifications from nonaccretable, are identified in the tables below.  The tables reflect only purchased loans accounted for under ASC 310-30 and not the entire portfolio of purchased loans.

	Three Months Ended September 30, 2017
	IAB		Arlington Bank			Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance			$	667		$	671		$	63		$	890		$	81		$	235		$	2,607
Additions	$	941																			941
Accretion			(38		)	(156		)	(134		)	(11		)	(166		)	(181		)	(686		)
Reclassification from nonaccretable			26			23			71						170			159			449
Disposals
Ending balance	$	941	$	655		$	538					$	879		$	85		$	213		$	3,311

	Nine Months Ended September 30, 2017
	IAB		Arlington Bank			Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance						$	1,630		$	73		$	1,233		$	736		$	279		$	3,951
Additions	$	941	$	667																	1,608
Accretion			(38		)	(2,814		)	(222		)	(444		)	(1,053		)	(511		)	(5,082		)
Reclassification from nonaccretable			26			1,722			149			212			947			445			3,501
Disposals												(122		)	(545		)				(667		)
Ending balance	$	941	$	655		$	538					$	879		$	85		$	213		$	3,311

	Three Months Ended September 30, 2016
	Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance	$	1,846		$	81		$	1,345		$	904		$	451		$	4,627
Additions
Accretion	(67		)	(18		)	(63		)	(665		)	(199		)	(1,012		)
Reclassification from nonaccretable	4			15			22			585			72			698
Disposals
Ending balance	$	1,783		$	78		$	1,304		$	824		$	324		$	4,313

	Nine Months Ended September 30, 2016
	Ameriana			C Financial			Community			CFS			SCB			Total
Beginning balance	$	2,160		$	114		$	1,508		$	1,188		$	642		$	5,612
Additions
Accretion	(154		)	(104		)	(975		)	(2,810		)	(580		)	(4,623		)
Reclassification from nonaccretable	9			68			771			2,457			262			3,567
Disposals	(232		)							(11		)				(243		)
Ending balance	$	1,783		$	78		$	1,304		$	824		$	324		$	4,313

Schedule of loans for which contractually required payments are uncertain

The following table presents loans acquired during the nine month period ended September 30, 2017, for which it was probable that all contractually required payments would not be collected:

	IAB		Arlington Bank
Contractually required payments receivable at acquisition date	$	14,131	$	6,183
Nonaccretable difference	8,352		2,891
Expected cash flows at acquisition date	5,779		3,292
Accretable difference	941		667
Basis in loans at acquisition date	$	4,838	$	2,625

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Goodwill (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

	2017
Balance, January 1	$	244,000
Goodwill acquired	201,824
Measurement period adjustment	(469		)
Balance, September 30	$	445,355

	2016
Balance, January 1	$	243,129
Measurement period adjustment	871
Balance, December 31	$	244,000

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Other Intangibles (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of core deposit

The carrying basis and accumulated amortization of recognized core deposit intangibles and other intangibles are noted below.

	September 30, 2017			December 31, 2016
Gross carrying amount	$	63,940		$	61,798
Core deposit intangibles acquired	18,164
Other intangibles acquired	3,765
Measurement period adjustment				2,142
Accumulated amortization	(52,666		)	(49,074		)
Total other intangibles	$	33,203		$	14,866

Schedule of estimated future amortization expense

Estimated future amortization expense is summarized as follows:

	Amortization Expense
2017	$	2,055
2018	6,719
2019	5,169
2020	3,632
2021	3,427
After 2021	12,201
	$	33,203

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Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair value of derivative financial instruments and their classification on Balance Sheet

The table below presents the fair value of the Corporation’s derivative financial instruments, as well as their classification on the Balance Sheet, as of September 30, 2017, and December 31, 2016.

Asset Derivatives

Liability Derivatives

September 30, 2017

December 31, 2016

September 30, 2017

December 31, 2016

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Derivatives designated as hedging instruments:

Interest rate contracts

Other Assets

$

1

Other Assets

$

15

Other Liabilities

$

1,934

Other Liabilities

$

2,182

Derivatives not designated as hedging instruments:

Interest rate contracts

Other Assets

$

7,060

Other Assets

$

6,295

Other Liabilities

$

7,060

Other Liabilities

$

6,295

Amount of gain (loss) recognized in other comprehensive income

The amount of gain (loss) recognized in other comprehensive income is included in the table below for the periods indicated.

Derivatives in Cash Flow Hedging Relationships	Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)
	Three Months Ended					Nine Months Ended
	September 30, 2017			September 30, 2016		September 30, 2017			September 30, 2016
Interest Rate Products	$	(10	)	$	384	$	(380	)	$	(2,383	)

Schedule of derivative instruments, gain (loss) in Income Statement

The tables below present the effect of the Corporation’s derivative financial instruments on the Income Statement for the three and nine months ended September 30, 2017 and 2016.

Derivatives Not Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative
		Three Months Ended September 30, 2017	Three Months Ended September 30, 2016
Interest rate contracts	Other income		$	211

Derivatives Not Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Recognized in Income on Derivative
		Nine Months Ended September 30, 2017	Nine Months Ended September 30, 2016
Interest rate contracts	Other income		$	698

The amount of gain (loss) reclassified from other comprehensive income into income is included in the table below for the periods indicated.

Derivatives Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Reclassed from Other Comprehensive Income into Income (Effective Portion)
		Three Months Ended September 30, 2017			Three Months Ended September 30, 2016
Interest rate contracts	Interest Expense	$	(240	)	$	(317	)

Derivatives Designated as Hedging Instruments under FASB ASC 815-10	Location of Gain (Loss) Recognized Income on Derivative	Amount of Gain (Loss) Reclassed from Other Comprehensive Income into Income (Effective Portion)
		Nine Months Ended September 30, 2017			Nine Months Ended September 30, 2016
Interest rate contracts	Interest Expense	$	(759	)	$	(959	)

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Disclosures About Fair Value of Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Fair value measurements of assets and liabilities recognized in Consolidated Condensed Balance Sheets measured at fair value

The following tables present the fair value measurements of assets and liabilities recognized in the Consolidated Condensed Balance Sheets measured at fair value on a recurring basis and the level within the fair value hierarchy in which the fair value measurements fall at September 30, 2017, and December 31, 2016.

			Fair Value Measurements Using:
September 30, 2017	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities:
U.S. Treasury	$	250	$	250
State and municipal	464,408				$	460,456	$	3,952
U.S. Government-sponsored mortgage-backed securities	423,675				423,675
Corporate obligations	31						31
Equity securities	2,357				2,353		4
Interest rate swap asset	7,060				7,060
Interest rate cap	1				1
Interest rate swap liability	8,994				8,994

			Fair Value Measurements Using:
December 31, 2016	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities:
U.S. Government-sponsored agency securities	$	100			$	100
State and municipal	363,658				358,524		$	5,134
U.S. Government-sponsored mortgage-backed securities	312,292				312,292
Corporate obligations	31						31
Equity securities	20,781		$	18,765	2,012		4
Interest rate swap asset	6,295				6,295
Interest rate cap	15				15
Interest rate swap liability	8,477				8,477

Reconciliation of beginning and ending balances of recurring fair value measurements recognized in Consolidated Condensed Balance Sheets using significant unobservable Level 3 inputs

The following is a reconciliation of the beginning and ending balances of recurring fair value measurements recognized in the Consolidated Condensed Balance Sheets using significant unobservable (Level 3) inputs for the three and nine months ended September 30, 2017 and 2016.

	Available for Sale Securities
	Three Months Ended						Nine Months ended
	September 30, 2017			September 30, 2016			September 30, 2017			September 30, 2016
Balance at beginning of the period	$	3,330		$	5,564		$	5,169		$	5,932
Included in other comprehensive income	(22		)	(45		)	38			52
Principal payments	679			(77		)	(1,220		)	(542		)
Ending balance	$	3,987		$	5,442		$	3,987		$	5,442

Description of valuation methodologies used for instruments measured at fair value on a non-recurring basis and recognized in Consolidated Condensed Balance Sheets

Following is a description of valuation methodologies used for instruments measured at fair value on a non-recurring basis and recognized in the

accompanying balance sheets, as well as the general classification of such instruments pursuant to the valuation hierarchy for

September 30, 2017, and December 31, 2016.

			Fair Value Measurements Using
September 30, 2017	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Impaired loans (collateral dependent)	$	8,045			$	8,045
Other real estate owned	1,818				1,818

			Fair Value Measurements Using
December 31, 2016	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable  Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Impaired loans (collateral dependent)	$	15,318			$	15,318
Other real estate owned	1,612				1,612

Unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements other than goodwill

The following table presents quantitative information about unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements, other than goodwill, at September 30, 2017 and December 31, 2016.

September 30, 2017	Fair Value		Valuation Technique	Unobservable Inputs	Range (Weighted-Average)
State and municipal securities	$	3,952	Discounted cash flow	Maturity/Call date	1 month to 20 yrs
				US Muni BQ curve	A- to BBB-
				Discount rate	.69% - 5%
Corporate obligations and Equity securities	$	35	Discounted cash flow	Risk free rate	3 month LIBOR
				plus premium for illiquidity	plus 200bps
Impaired loans (collateral dependent)	$	8,045	Collateral based measurements	Discount to reflect current market conditions and ultimate collectability	0% - 10% (1%)
Other real estate owned	$	1,818	Appraisals	Discount to reflect current market conditions	0% - 15% (4%)

December 31, 2016	Fair Value		Valuation Technique	Unobservable Inputs	Range (Weighted-Average)
State and municipal securities	$	5,134	Discounted cash flow	Maturity/Call date	1 month to 20 yrs
				US Muni BQ curve	A- to BBB-
				Discount rate	.69% - 5%
Corporate obligations and Equity securities	$	35	Discounted cash flow	Risk free rate	3 month LIBOR
				plus premium for illiquidity	plus 200bps
Impaired loans (collateral dependent)	$	15,318	Collateral based measurements	Discount to reflect current market conditions and ultimate collectability	0% - 10% (1%)
Other real estate owned	$	1,612	Appraisals	Discount to reflect current market conditions	0% - 10% (9%)

Estimated fair values of financial instruments

The following table presents estimated fair values of the Corporation’s financial instruments and the level within the fair value hierarchy in which the fair value measurements fall at September 30, 2017, and December 31, 2016.

			September 30, 2017
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Carrying Amount		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash and cash equivalents	$	146,607	$	146,607
Interest-bearing time deposits	72,950		72,950
Investment securities available for sale	890,721		250		$	886,484	$	3,987
Investment securities held to maturity	578,166				574,698		12,572
Loans held for sale	4,514				4,514
Loans	6,410,094						6,301,582
Federal Home Loan Bank stock	23,825				23,825
Interest rate swap and cap asset	7,061				7,061
Interest receivable	32,366				32,366
Liabilities:
Deposits	$	6,911,019	$	5,447,422	$	1,445,246
Borrowings:
Federal funds purchased	100,000				100,000
Securities sold under repurchase agreements	142,107				142,060
Federal Home Loan Bank advances	406,820				407,708
Subordinated debentures and term loans	139,686				114,435
Interest rate swap liability	8,994				8,994
Interest payable	4,956				4,956

			December 31, 2016
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Carrying Amount		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash and cash equivalents	$	127,927	$	127,927
Interest-bearing time deposits	24,459		24,459
Investment securities available for sale	696,862		18,765		$	672,928	$	5,169
Investment securities held to maturity	607,643				597,246		14,687
Loans held for sale	2,929				2,929
Loans	5,073,608						4,933,552
Federal Home Loan Bank stock	17,964				17,964
Interest rate swap and cap asset	6,310				6,310
Interest receivable	26,194				26,194
Liabilities:
Deposits	$	5,556,498	$	4,427,605	$	1,111,491
Borrowings:
Federal funds purchased	120,349				120,349
Securities sold under repurchase agreements	146,480				146,449
Federal Home Loan Bank advances	298,923				297,465
Subordinated debentures and term loans	128,445				105,930
Interest rate swap liability	8,477				8,477
Interest payable	3,110				3,110

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Transfers Accounted for as Secured Borrowings (Tables)

9 Months Ended

Sep. 30, 2017

Banking and Thrift [Abstract]

Schedule of collateral pledged for all repurchase agreements accounted for as secured borrowings

The collateral pledged for all repurchase agreements that are accounted for as secured borrowings as of September 30, 2017 and December 31, 2016 were:

	September 30, 2017
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 Days		Total
U.S. Government-sponsored mortgage-backed securities	$	129,128	$	1,339	$	2,544	$	9,096	$	142,107

	December 31, 2016
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 Days		Total
U.S. Government-sponsored mortgage-backed securities	$	129,617	$	1,337	$	10,253	$	5,273	$	146,480

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Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2017

Equity [Abstract]

Schedule of accumulated other comprehensive income (loss)

The following table summarizes the changes in the balances of each component of accumulated other comprehensive income (loss), net of tax, as of September 30, 2017 and 2016:

	Accumulated Other Comprehensive Income (Loss)
	Unrealized Gains (Losses) on Securities Available for Sale			Unrealized Gains (Losses) on Cash Flow Hedges			Unrealized Gains (Losses) on Defined Benefit Plans			Total
Balance at December 31, 2016	$	1,035		$	(1,774	)	$	(12,842	)	$	(13,581	)
Other comprehensive income before reclassifications	8,124			(246		)				7,878
Amounts reclassified from accumulated other comprehensive income	(973		)	493			(175		)	(655		)
Period change	7,151			247			(175		)	7,223
Balance at September 30, 2017	$	8,186		$	(1,527	)	$	(13,017	)	$	(6,358	)
Balance at December 31, 2015	$	12,325		$	(2,347	)	$	(11,340	)	$	(1,362	)
Other comprehensive income before reclassifications	7,863			(1,548		)				6,315
Amounts reclassified from accumulated other comprehensive income	(1,652		)	623						(1,029		)
Period change	6,211			(925		)	—			5,286
Balance at September 30, 2016	$	18,536		$	(3,272	)	$	(11,340	)	$	3,924

Reclassification out of accumulated other comprehensive income (loss)

The following tables present the reclassification adjustments out of accumulated other comprehensive income (loss) that were included in net income in the Consolidated Condensed Statements of Income for the three and nine months ended September 30, 2017 and 2016.

	Amount Reclassified from Accumulated Other Comprehensive Income (Loss) For the Three Months Ended September 30,
Details about Accumulated Other Comprehensive Income (Loss)Components	2017			2016			Affected Line Item in the Statements of Income
Unrealized gains (losses) on available for sale securities (1)
Realized securities gains reclassified into income	$	332		$	839		Other income - net realized gains on sales of available for sale securities
Related income tax expense	(116		)	(294		)	Income tax expense
	$	216		$	545
Unrealized gains (losses) on cash flow hedges (2)
Interest rate contracts	$	(240	)	$	(317	)	Interest expense - subordinated debentures and term loans
Related income tax benefit	84			111			Income tax expense
	$	(156	)	$	(206	)
Unrealized gains (losses) on defined benefit plans
Amortization of prior service costs	$	89					Other expenses - salaries and employee benefits
Related income tax expense	(31		)				Income tax expense
	$	58		$	—
Total reclassifications for the period, net of tax	$	118		$	339

	Amount Reclassified from Accumulated Other Comprehensive Income (Loss) For the Nine Months Ended September 30,
Details about Accumulated Other Comprehensive Income (Loss)Components	2017			2016			Affected Line Item in the Statements of Income
Unrealized gains (losses) on available for sale securities (1)
Realized securities gains reclassified into income	$	1,497		$	2,542		Other income - net realized gains on sales of available for sale securities
Related income tax expense	(524		)	(890		)	Income tax expense
	$	973		$	1,652
Unrealized gains (losses) on cash flow hedges (2)
Interest rate contracts	$	(759	)	$	(959	)	Interest expense - subordinated debentures and term loans
Related income tax benefit	266			336			Income tax expense
	$	(493	)	$	(623	)
Unrealized gains (losses) on defined benefit plans
Amortization of net loss and prior service costs	$	269					Other expenses - salaries and employee benefits
Related income tax expense	(94		)				Income tax expense
	$	175		$	—
Total reclassifications for the period, net of tax	$	655		$	1,029

⁽¹⁾ For additional detail related to unrealized gains (losses) on available for sale securities and related amounts reclassified from accumulated other comprehensive income see NOTE 3. INVESTMENT SECURITIES, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

⁽²⁾ For additional detail related to unrealized gains (losses) on cash flow hedges and related amounts reclassified from accumulated other comprehensive income see NOTE 8. DERIVATIVE FINANCIAL INSTRUMENTS, in the Notes to Consolidated Condensed Financial Statements of this Quarterly Report on Form 10-Q.

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Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Components of share-based compensation awards

The following table summarizes the components of the Corporation's share-based compensation awards recorded as expense and the income tax benefit of such awards. The income tax benefit increase in the three and nine months ended September 30, 2017 is due to the implementation of ASU 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. This ASU requires all income tax effects of awards to be recognized as income tax expense or benefit in the income statement when the awards vest or are settled. Implementation of the ASU was effective January 1, 2017 and resulted in approximately $9,000 and $846,000 of income tax benefit in the three and nine months ended September 30, 2017, respectively.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Stock and ESPP Options
Pre-tax compensation expense	$	23		$	18		$	93		$	54
Income tax expense (benefit)	(9		)	3			(313		)	12
Stock and ESPP option expense, net of income taxes	$	14		$	21		$	(220	)	$	66
Restricted Stock Awards
Pre-tax compensation expense	$	800		$	630		$	1,791		$	1,829
Income tax benefit	(280		)	(221		)	(1,160		)	(640		)
Restricted stock awards expense, net of income taxes	$	520		$	409		$	631		$	1,189
Total Share-Based Compensation
Pre-tax compensation expense	$	823		$	648		$	1,884		$	1,883
Income tax benefit	(289		)	(218		)	(1,473		)	(628		)
Total share-based compensation expense, net of income taxes	$	534		$	430		$	411		$	1,255

Stock option activity under stock option plans

Stock option activity under the Corporation's stock option plans as of September 30, 2017 and changes during the nine months ended September 30, 2017, were as follows:

	Number of Shares		Weighted-Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2017	260,211		$	19.26
Granted
Exercised	(101,759	)	$	22.83
Canceled
OutstandingSeptember 30, 2017	158,452		$	16.96	2.55	$	4,114,422
Vested and Expected to Vest at September 30, 2017	158,452		$	16.96	2.55	$	4,114,422
Exercisable at September 30, 2017	158,452		$	16.96	2.55	$	4,114,422

Unvested RSAs outstanding

The following table summarizes information on unvested RSAs outstanding as of September 30, 2017:

	Number of Shares		Weighted-Average Grant Date Fair Value
Unvested RSAs at January 1, 2017	328,347		$	22.87
Granted	127,757		$	40.41
Vested	(84,795	)	$	20.45
Forfeited	(4,220	)	$	23.11
Unvested RSAs at September 30, 2017	367,089		$	29.53

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Income Tax (Tables)

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Summary of differences between income taxes at federal statutory tax rate and effective tax rate

The following table summarizes the major components creating differences between income taxes at the federal statutory and the effective tax rate recorded in the consolidated statements of income for the three and nine months ended September 30, 2017 and 2016:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Reconciliation of Federal Statutory to Actual Tax Expense:
Federal statutory income tax at 35%	$	11,304		$	9,985		$	32,900		$	27,481
Tax-exempt interest income	(2,881		)	(2,198		)	(8,062		)	(6,328		)
Share-based compensation	(78		)	(29		)	(862		)	(10		)
Tax-exempt earnings and gains on life insurance	(551		)	(216		)	(1,905		)	(1,186		)
Tax credits	(132		)	(165		)	(396		)	(423		)
Other	277			92			639			225
Actual Tax Expense	$	7,939		$	7,469		$	22,314		$	19,759
Effective Tax Rate	24.6		%	26.2		%	23.7		%	25.2		%

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Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Basic and diluted net income per share

The following table reconciles basic and diluted net income per share for the three and nine months ended September 30, 2017 and 2016.

	Three Months Ended September 30,
	2017					2016
	Net Income		Weighted-Average Shares	Per Share Amount		Net Income		Weighted-Average Shares	Per Share Amount
Net income available to common stockholders	$	24,358	48,431,880	$	0.50	$	21,059	40,779,423	$	0.51
Effect of potentially dilutive stock options and restricted stock awards			211,894					246,361
Diluted net income per share	$	24,358	48,643,774	$	0.50	$	21,059	41,025,784	$	0.51

	Nine Months Ended September 30,
	2017					2016
	Net Income		Weighted-Average Shares	Per Share Amount		Net Income		Weighted-Average Shares	Per Share Amount
Net income available to common stockholders	$	71,687	43,845,675	$	1.64	$	58,758	40,740,714	$	1.44
Effect of potentially dilutive stock options and restricted stock awards			217,544					229,501
Diluted net income per share	$	71,687	44,063,219	$	1.63	$	58,758	40,970,215	$	1.43

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Acquisitions - Narrative (Details) $ / shares in Units, $ in Thousands				3 Months Ended	9 Months Ended
	Jul. 14, 2017 USD ($) bank_branch shares	May 19, 2017 USD ($) bank shares	Nov. 21, 2016 USD ($) $ / shares shares	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($) shares	Sep. 30, 2016 USD ($)
Business Acquisition [Line Items]
Issuance of common stock related to acquisition					$ 321,431
Common Stock
Business Acquisition [Line Items]
Stock issued as a part of acquisition (in shares) | shares					8,044,446
Issuance of common stock related to acquisition					$ 1,006
IAB
Business Acquisition [Line Items]
Shares purchased (in shares) | shares			495,112
Percentage of interest acquired			12.10%
Value of acquired shares			$ 19,800
Purchase price per share (usd per share) | $ / shares			$ 40.00
Number of banking centers acquired | bank_branch	16
Stock issued as a part of acquisition (in shares) | shares	6,000,000
Issuance of common stock related to acquisition	$ 238,800
Total purchase price	258,600
Fair value of equity interest after adjustment				$ 19,800
Remeasurement loss				50
Other intangible assets	17,403
Operating revenue				9,400	9,400
IAB | Core deposits
Business Acquisition [Line Items]
Other intangible assets	$ 13,638
Acquired intangible asset, expected useful life	10 years
IAB | Noncompete agreements
Business Acquisition [Line Items]
Other intangible assets	$ 3,765
Acquired intangible asset, expected useful life	2 years
IAB | Common Stock
Business Acquisition [Line Items]
Number of shares of common stock	1.653
Arlington Bank
Business Acquisition [Line Items]
Percentage of interest acquired		100.00%
Number of banking centers acquired | bank		3
Stock issued as a part of acquisition (in shares) | shares		2,100,000
Issuance of common stock related to acquisition		$ 82,600
Other intangible assets		4,526
Operating revenue				3,700	5,200
Arlington Bank | Core deposits
Business Acquisition [Line Items]
Other intangible assets		$ 4,526
Acquired intangible asset, expected useful life		10 years
Arlington Bank | Common Stock
Business Acquisition [Line Items]
Number of shares of common stock		2.7245
Expenses directly attributable to acquisitions | Arlington Bank and IAB
Business Acquisition [Line Items]
Non-recurring expenses				$ 10,900	$ 14,500

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Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jul. 14, 2017	May 19, 2017	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill	$ 445,355			$ 244,000	$ 243,129
IAB
Business Acquisition [Line Items]
Cash and cash equivalents		$ 6,016
Interest-bearing time deposits		248,212
Investment securities		4,078
Loans held for sale		594
Loans		725,382
Premises and equipment		10,107
Federal Home Loan Bank stock		4,810
Interest receivable		3,445
Cash surrender value of life insurance		26,964
Other assets		11,780
Deposits		(862,271)
Securities sold under repurchase agreements		(17,915)
Federal Home Loan Bank Advances		(47,575)
Subordinated debentures		(10,583)
Interest payable		(1,005)
Other liabilities		(14,472)
Net tangible assets acquired		87,567
Core deposit intangible		17,403
Goodwill		153,636
Purchase price		$ 258,606
Arlington Bank
Business Acquisition [Line Items]
Cash and cash equivalents			$ 48,532
Interest-bearing time deposits			292
Loans held for sale			7,626
Loans			224,680
Premises and equipment			1,986
Federal Home Loan Bank stock			1,091
Interest receivable			653
Other assets			1,620
Deposits			(252,783)
Interest payable			(244)
Other liabilities			(3,106)
Net tangible assets acquired			30,347
Core deposit intangible			4,526
Goodwill			47,719
Purchase price			$ 82,592

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Acquisitions - Pro Forma Financial Information (Details) - Arlington Bank and IAB - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Total revenue (net interest income plus other income)	$ 96,178	$ 281,392	$ 353,732
Net income	$ 19,603	$ 70,651	$ 95,288
Basic (in dollars per share)	$ 0.40	$ 1.44	$ 1.95
Diluted (in dollars per share)	$ 0.39	$ 1.43	$ 1.94

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Acquisitions - Schedule of Acquired Loan Data (Details) - USD ($) $ in Thousands	Jul. 14, 2017	May 19, 2017
IAB
Business Acquisition [Line Items]
Basis in loans at acquisition date	$ 4,838
Contractually required payments receivable at acquisition date	14,131
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Not Expected to be Collected at Acquisition	8,352
Business Combination, Acquired Receivable, Fair Value	720,544
Business Combination, Acquired Receivables, Gross Contractual Amount	864,613
Business Combination, Acquired Receivables, Estimated Uncollectible	$ 9,786
Arlington Bank
Business Acquisition [Line Items]
Basis in loans at acquisition date		$ 2,625
Contractually required payments receivable at acquisition date		6,183
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Not Expected to be Collected at Acquisition		2,891
Business Combination, Acquired Receivable, Fair Value		222,055
Business Combination, Acquired Receivables, Gross Contractual Amount		308,857
Business Combination, Acquired Receivables, Estimated Uncollectible		$ 2,741

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Investment Securities - Amortized Cost and Approximate Fair Value of Securities (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Available for sale securities
Amortized Cost	$ 878,694,000	$ 696,189,000
Gross Unrealized Gains	15,990,000	10,347,000
Gross Unrealized Losses	3,963,000	9,674,000
Fair Value	890,721,000	696,862,000
Held to maturity securities
Total Investment Securities	578,166,000	607,643,000
Gross Unrealized Gains	10,802,000	8,092,000
Gross Unrealized Losses	1,698,000	3,802,000
Fair Value	587,270,000	611,933,000
Amortized Cost	1,456,860,000	1,303,832,000
Gross Unrealized Gains	26,792,000	18,439,000
Gross Unrealized Losses	5,661,000	13,476,000
Fair Value	1,477,991,000	1,308,795,000
U.S. Treasury
Available for sale securities
Amortized Cost	250,000
Fair Value	250,000
U.S. Government-sponsored agency securities
Available for sale securities
Amortized Cost		100,000
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value		100,000
State and municipal
Available for sale securities
Amortized Cost	452,666,000	360,779,000
Gross Unrealized Gains	13,748,000	8,443,000
Gross Unrealized Losses	2,006,000	5,564,000
Fair Value	464,408,000	363,658,000
Held to maturity securities
Total Investment Securities	237,257,000	224,811,000
Gross Unrealized Gains	5,935,000	3,136,000
Gross Unrealized Losses	575,000	1,796,000
Fair Value	242,617,000	226,151,000
U.S. Government-sponsored mortgage-backed securities
Available for sale securities
Amortized Cost	423,390,000	313,459,000
Gross Unrealized Gains	2,242,000	1,904,000
Gross Unrealized Losses	1,957,000	3,071,000
Fair Value	423,675,000	312,292,000
Held to maturity securities
Total Investment Securities	317,291,000	360,213,000
Gross Unrealized Gains	4,867,000	4,956,000
Gross Unrealized Losses	812,000	1,527,000
Fair Value	321,346,000	363,642,000
Corporate obligations
Available for sale securities
Amortized Cost	31,000	31,000
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value	31,000	31,000
Equity securities
Available for sale securities
Amortized Cost	2,357,000	21,820,000
Gross Unrealized Gains
Gross Unrealized Losses		1,039,000
Fair Value	2,357,000	20,781,000
U.S. Government-sponsored agency securities
Available for sale securities
Gross Unrealized Losses	0
Held to maturity securities
Total Investment Securities	22,618,000	22,619,000
Gross Unrealized Gains
Gross Unrealized Losses	311,000	479,000
Fair Value	22,307,000	$ 22,140,000
Foreign Investments
Held to maturity securities
Total Investment Securities	1,000,000
Fair Value	$ 1,000,000

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Investment Securities - Amortized Cost and Fair Value of Available for Sale Securities and Held to Maturity Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Amortized Cost
Due in one year or less	$ 674	$ 2,703
Due after one through five years	8,970	16,359
Due after five through ten years	84,977	60,614
Due after ten years	358,326	281,234
Total debt securities with a single maturity date	452,947	360,910
Total Investment Securities	878,694	696,189
Fair Value
Due in one year or less	675	2,717
Due after one through five years	9,398	17,068
Due after five through ten years	88,832	62,241
Due after ten years	365,784	281,763
Total debt securities with a single maturity date	464,689	363,789
Total Investment Securities	890,721	696,862
Amortized Cost
Due in one year or less	7,329	2,046
Due after one through five years	79,466	61,921
Due after five through ten years	53,423	61,606
Due after ten years	120,657	121,857
Total debt securities with a single maturity date	260,875	247,430
Total Investment Securities	578,166	607,643
Fair Value
Due in one year or less	7,417	2,047
Due after one through five years	80,423	63,193
Due after five through ten years	54,573	61,145
Due after ten years	123,511	121,906
Total debt securities with a single maturity date	265,924	248,291
Investment securities held to maturity	587,270	611,933
U.S. Government-sponsored mortgage-backed securities
Amortized Cost
Without single maturity date	423,390	313,459
Fair Value
Without single maturity date	423,675	312,292
Amortized Cost
Without single maturity date	317,291	360,213
Total Investment Securities	317,291	360,213
Fair Value
Without single maturity date	321,346	363,642
Investment securities held to maturity	321,346	363,642
Equity securities
Amortized Cost
Without single maturity date	2,357	21,820
Fair Value
Without single maturity date	2,357	20,781
Amortized Cost
Without single maturity date
Fair Value
Without single maturity date

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Investment Securities - Narrative (Details)	Sep. 30, 2017 USD ($) security	Dec. 31, 2016 USD ($)
Investments, Debt and Equity Securities [Abstract]
Carrying value of securities pledged as collateral	$ 511,192,000	$ 572,896,000
Book value of securities sold under agreements to repurchase	141,329,000	145,936,000
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]
Available-for-sale unrealized losses	3,963,000	9,674,000
Held-to-maturity unrealized losses	1,698,000	3,802,000
State and municipal
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]
Available-for-sale unrealized losses	$ 2,006,000	5,564,000
Available-for-sale, number of securities in unrealized loss positions | security	83
Held-to-maturity unrealized losses	$ 575,000	1,796,000
Held-to-maturity, number of securities in unrealized loss positions | security	31
U.S. Government-sponsored agency securities
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]
Available-for-sale unrealized losses	$ 0
Available-for-sale, number of securities in unrealized loss positions | security	0
Held-to-maturity unrealized losses	$ 311,000	479,000
Held-to-maturity, number of securities in unrealized loss positions | security	4
U.S. Government-sponsored mortgage-backed securities
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]
Available-for-sale unrealized losses	$ 1,957,000	3,071,000
Available-for-sale, number of securities in unrealized loss positions | security	39
Held-to-maturity unrealized losses	$ 812,000	$ 1,527,000
Held-to-maturity, number of securities in unrealized loss positions | security	23

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Investment Securities - Gross Gains on Sales and Redemptions of Available for Sale Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Sales and Redemptions of Available for Sale Securities:
Gross gains	$ 382	$ 839	$ 1,547	$ 2,542
Gross losses	$ 50		$ 50

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Investment Securities - Investments' Gross Unrealized Losses and Fair Value Aggregated by Investment Category and Length of Time in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value
Less than 12 Months	$ 230,302	$ 330,902
12 Months or Longer	29,842
Total	260,144	330,902
Gross Unrealized Losses
Less than 12 Months	2,753	9,674
12 Months or Longer	1,210
Total	3,963	9,674
Fair Value
Less than 12 Months	103,645	179,395
12 Months or Longer	18,483
Total	122,128	179,395
Gross Unrealized Losses
Less than 12 Months	1,292	3,802
12 Months or Longer	406
Total	1,698	3,802
Available-for-sale Securities and Held-to-maturity Securities [Abstract]
Less than 12 Months, Fair Value	333,947	510,297
12 Months or Longer, Fair Value	48,325
Total, Fair Value	382,272	510,297
Less than 12 Months, Gross Unrealized Losses	4,045	13,476
12 Months or Longer, Gross Unrealized Losses	1,616
Total, Gross Unrealized Losses	5,661	13,476
State and municipal
Fair Value
Less than 12 Months	76,469	126,593
12 Months or Longer	21,693
Total	98,162	126,593
Gross Unrealized Losses
Less than 12 Months	959	5,564
12 Months or Longer	1,047
Total	2,006	5,564
U.S. Government-sponsored mortgage-backed securities
Fair Value
Less than 12 Months	153,833	185,544
12 Months or Longer	8,149
Total	161,982	185,544
Gross Unrealized Losses
Less than 12 Months	1,794	3,071
12 Months or Longer	163
Total	1,957	3,071
Equity securities
Fair Value
Less than 12 Months		18,765
Total		18,765
Gross Unrealized Losses
Less than 12 Months		1,039
Total		1,039
U.S. Government-sponsored agency securities
Fair Value
Less than 12 Months	9,941	19,121
12 Months or Longer	12,267
Total	22,208	19,121
Gross Unrealized Losses
Less than 12 Months	78	479
12 Months or Longer	233
Total	311	479
State and municipal
Fair Value
Less than 12 Months	18,754	50,897
12 Months or Longer	6,216
Total	24,970	50,897
Gross Unrealized Losses
Less than 12 Months	402	1,796
12 Months or Longer	173
Total	575	1,796
U.S. Government-sponsored mortgage-backed securities
Fair Value
Less than 12 Months	74,950	109,377
12 Months or Longer
Total	74,950	109,377
Gross Unrealized Losses
Less than 12 Months	812	1,527
12 Months or Longer
Total	$ 812	$ 1,527

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Investment Securities - Investments in Debt and Equity Securities Reported Less than Historical Cost (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Investments [Line Items]
Fair value	$ 382,272	$ 510,297
Investments reported at less than historical cost
Schedule of Investments [Line Items]
Historical cost	388,181	523,773
Fair value	$ 382,272	$ 510,297
Percent of the Corporation's investment portfolio	26.00%	39.10%

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Loans and Allowance - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Dec. 31, 2016
Receivables [Abstract]
Loans held for sale	$ 4,514	$ 4,514	$ 2,929
Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of troubled debt restructured loans	97.00%	47.00%
Mortgage loans with formal foreclosure proceedings	$ 1,847	$ 1,847	$ 1,530

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Loans and Allowance - Composition of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 6,483,448		$ 5,139,645
Allowance for loan losses	(73,354)	$ (70,471)	(66,037)	$ (63,456)	$ (62,186)	$ (62,453)
Net Loans	6,410,094		5,073,608
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,436,092		1,194,646
Agricultural production financing and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	117,751		79,689
Real estate loans - Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	498,862		418,703
Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,571,253		1,953,062
Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	938,437		739,169
Allowance for loan losses	(13,331)	(12,955)	(11,755)	(11,228)	(10,899)	(11,139)
Real estate loans - Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	502,240		418,525
Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	86,406		77,479
Allowance for loan losses	(3,591)	(3,372)	(2,923)	(2,786)	(2,684)	(2,689)
Lease financing receivables, net of unearned income
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,877		311
Allowance for loan losses	(2)	$ (2)	(2)	$ (2)	$ (2)	$ (2)
Other commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 328,530		$ 258,061

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Loans and Allowance - Changes in Allowance for Loan Losses by Loan Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Allowance for loan losses:
Beginning balance	$ 70,471	$ 62,186	$ 66,037	$ 62,453
Provision for losses	2,083	1,900	7,343	3,240
Recoveries on loans	1,859	1,251	3,853	4,224
Loans charged-off	(1,059)	(1,881)	(3,879)	(6,461)
Ending balance	73,354	63,456	73,354	63,456
Commercial
Allowance for loan losses:
Beginning balance	28,906	26,321	27,696	26,478
Provision for losses	921	727	2,279	1,266
Recoveries on loans	324	175	987	1,150
Loans charged-off	(468)	(720)	(1,279)	(2,391)
Ending balance	29,683	26,503	29,683	26,503
Commercial Real Estate
Allowance for loan losses:
Beginning balance	25,236	22,280	23,661	22,145
Provision for losses	374	578	2,023	992
Recoveries on loans	1,327	651	2,066	1,879
Loans charged-off	(190)	(572)	(1,003)	(2,079)
Ending balance	26,747	22,937	26,747	22,937
Consumer
Allowance for loan losses:
Beginning balance	3,372	2,684	2,923	2,689
Provision for losses	342	115	877	192
Recoveries on loans	51	101	253	286
Loans charged-off	(174)	(114)	(462)	(381)
Ending balance	3,591	2,786	3,591	2,786
Residential
Allowance for loan losses:
Beginning balance	12,955	10,899	11,755	11,139
Provision for losses	446	480	2,164	790
Recoveries on loans	157	324	547	909
Loans charged-off	(227)	(475)	(1,135)	(1,610)
Ending balance	13,331	11,228	13,331	11,228
Lease financing receivables, net of unearned income
Allowance for loan losses:
Beginning balance	2	2	2	2
Provision for losses
Recoveries on loans
Loans charged-off
Ending balance	$ 2	$ 2	$ 2	$ 2

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Loans and Allowance - Allowance for Credit Losses and Loan Portfolio by Loan Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Allowance Balances:
Individually evaluated for impairment	$ 1,788		$ 888
Collectively evaluated for impairment	71,566		65,149
Total Allowance for Loan Losses	73,354	$ 70,471	66,037	$ 63,456	$ 62,186	$ 62,453
Loan Balance [Abstract]
Individually evaluated for impairment	29,771		30,579
Collectively evaluated for impairment	6,426,838		5,065,844
Loans	6,483,448		5,139,645
Loans Acquired with Deteriorated Credit Quality
Allowance Balances:
Total Allowance for Loan Losses
Loan Balance [Abstract]
Loans	26,839		43,222
Commercial
Allowance Balances:
Individually evaluated for impairment	476		37
Collectively evaluated for impairment	29,207		27,659
Total Allowance for Loan Losses	29,683	28,906	27,696	26,503	26,321	26,478
Loan Balance [Abstract]
Individually evaluated for impairment	6,781		4,762
Collectively evaluated for impairment	1,874,225		1,520,981
Loans	1,882,373		1,532,396
Commercial | Loans Acquired with Deteriorated Credit Quality
Allowance Balances:
Total Allowance for Loan Losses
Loan Balance [Abstract]
Loans	1,367		6,653
Commercial Real Estate
Allowance Balances:
Individually evaluated for impairment	923		553
Collectively evaluated for impairment	25,824		23,108
Total Allowance for Loan Losses	26,747	25,236	23,661	22,937	22,280	22,145
Loan Balance [Abstract]
Individually evaluated for impairment	18,911		21,358
Collectively evaluated for impairment	3,027,247		2,315,686
Loans	3,070,115		2,371,765
Commercial Real Estate | Loans Acquired with Deteriorated Credit Quality
Allowance Balances:
Total Allowance for Loan Losses
Loan Balance [Abstract]
Loans	23,957		34,721
Consumer
Allowance Balances:
Individually evaluated for impairment
Collectively evaluated for impairment	3,591		2,923
Total Allowance for Loan Losses	3,591	3,372	2,923	2,786	2,684	2,689
Loan Balance [Abstract]
Individually evaluated for impairment	6		9
Collectively evaluated for impairment	86,400		77,470
Loans	86,406		77,479
Consumer | Loans Acquired with Deteriorated Credit Quality
Allowance Balances:
Total Allowance for Loan Losses
Loan Balance [Abstract]
Loans
Residential
Allowance Balances:
Individually evaluated for impairment	389		298
Collectively evaluated for impairment	12,942		11,457
Total Allowance for Loan Losses	13,331	12,955	11,755	11,228	10,899	11,139
Loan Balance [Abstract]
Individually evaluated for impairment	4,073		4,450
Collectively evaluated for impairment	1,435,089		1,151,396
Loans	1,440,677		1,157,694
Residential | Loans Acquired with Deteriorated Credit Quality
Allowance Balances:
Total Allowance for Loan Losses
Loan Balance [Abstract]
Loans	1,515		1,848
Lease financing receivables, net of unearned income
Allowance Balances:
Individually evaluated for impairment
Collectively evaluated for impairment	2		2
Total Allowance for Loan Losses	2	$ 2	2	$ 2	$ 2	$ 2
Loan Balance [Abstract]
Individually evaluated for impairment
Collectively evaluated for impairment	3,877		311
Loans	3,877		311
Lease financing receivables, net of unearned income | Loans Acquired with Deteriorated Credit Quality
Allowance Balances:
Total Allowance for Loan Losses
Loan Balance [Abstract]
Loans

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Loans and Allowance - Summary of Non-Accrual Loans by Loan Class (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 32,253	$ 29,998
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	4,910	1,839
Agricultural production financing and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,282	1,329
Real estate loans - Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	67	73
Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	12,152	15,754
Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	11,973	9,523
Real estate loans - Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,818	1,457
Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 51	$ 23

XML

Loans and Allowance - Composition of Impaired Loans by Loan Class (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Unpaid Principal Balance
Impaired loans with no related allowance	$ 76,952		$ 76,952		$ 100,416
Impaired loans with related allowance	6,258		6,258		4,963
Total Impaired Loans	83,210		83,210		105,379
Recorded Investment
Impaired loans with no related allowance	48,999		48,999		68,371
Impaired loans with related allowance	5,480		5,480		3,679
Total Impaired Loans	54,479		54,479		72,050
Related Allowance	1,399		1,399		612
Average Recorded Investment
Impaired loans with no related allowance	51,820	$ 81,215	58,009	$ 83,884
Impaired loans with related allowance	5,492	3,517	5,510	3,640
Total Impaired Loans	57,312	84,732	63,519	87,524
Interest Income Recognized
Impaired loans with no related allowance	598	1,058	1,553	3,173
Impaired loans with related allowance		6	4	6
Total Impaired Loans	598	1,064	1,557	3,179
Commercial and industrial loans
Unpaid Principal Balance
Impaired loans with no related allowance	15,443		15,443		17,645
Impaired loans with related allowance	1,824		1,824
Recorded Investment
Impaired loans with no related allowance	4,526		4,526		10,074
Impaired loans with related allowance	1,796		1,796
Related Allowance	206		206
Average Recorded Investment
Impaired loans with no related allowance	4,668	10,025	8,821	10,436
Impaired loans with related allowance	1,796	469	1,796	471
Interest Income Recognized
Impaired loans with no related allowance	56	89	149	261
Impaired loans with related allowance
Agricultural production financing and other loans to farmers
Unpaid Principal Balance
Impaired loans with no related allowance	1,818		1,818		757
Impaired loans with related allowance	357		357		660
Recorded Investment
Impaired loans with no related allowance	1,489		1,489		680
Impaired loans with related allowance	337		337		660
Related Allowance	270		270		36
Average Recorded Investment
Impaired loans with no related allowance	1,489	636	1,491	644
Impaired loans with related allowance	337	1,164	337	1,236
Interest Income Recognized
Impaired loans with no related allowance	9	3	9	3
Impaired loans with related allowance		6		6
Real estate loans - Construction
Unpaid Principal Balance
Impaired loans with no related allowance	2,583		2,583		5,946
Recorded Investment
Impaired loans with no related allowance	1,422		1,422		3,178
Average Recorded Investment
Impaired loans with no related allowance	1,427	3,526	1,438	3,572
Interest Income Recognized
Impaired loans with no related allowance	26	72	36	215
Real estate loans - Commercial and farmland
Unpaid Principal Balance
Impaired loans with no related allowance	51,302		51,302		67,936
Impaired loans with related allowance	4,077		4,077		4,238
Recorded Investment
Impaired loans with no related allowance	38,098		38,098		49,731
Impaired loans with related allowance	3,347		3,347		2,985
Related Allowance	923		923		553
Average Recorded Investment
Impaired loans with no related allowance	40,668	61,903	42,459	63,722
Impaired loans with related allowance	3,359	1,850	3,377	1,894
Interest Income Recognized
Impaired loans with no related allowance	475	854	1,266	2,576
Impaired loans with related allowance			4
Real estate loans - Residential
Unpaid Principal Balance
Impaired loans with no related allowance	5,611		5,611		8,039
Impaired loans with related allowance					65
Recorded Investment
Impaired loans with no related allowance	3,310		3,310		4,664
Impaired loans with related allowance					34
Related Allowance					23
Average Recorded Investment
Impaired loans with no related allowance	3,410	5,081	3,637	5,453
Impaired loans with related allowance		34		39
Interest Income Recognized
Impaired loans with no related allowance	31	40	92	118
Impaired loans with related allowance
Real estate loans - Home equity
Unpaid Principal Balance
Impaired loans with no related allowance	195		195		82
Recorded Investment
Impaired loans with no related allowance	154		154		44
Average Recorded Investment
Impaired loans with no related allowance	158	44	163	57
Interest Income Recognized
Impaired loans with no related allowance	$ 1		$ 1
Other commercial loans
Unpaid Principal Balance
Impaired loans with no related allowance					11
Recorded Investment
Impaired loans with no related allowance

XML

Loans and Allowance - Credit Quality of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 6,483,448	$ 5,139,645
Commercial and industrial loans
Financing Receivable, Recorded Investment [Line Items]
Loans	1,436,092	1,194,646
Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment [Line Items]
Loans	117,751	79,689
Real estate loans - Construction
Financing Receivable, Recorded Investment [Line Items]
Loans	498,862	418,703
Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment [Line Items]
Loans	2,571,253	1,953,062
Real estate loans - Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	938,437	739,169
Real estate loans - Home equity
Financing Receivable, Recorded Investment [Line Items]
Loans	502,240	418,525
Individuals' loans for household and other personal expenditures
Financing Receivable, Recorded Investment [Line Items]
Loans	86,406	77,479
Lease financing receivables, net of unearned income
Financing Receivable, Recorded Investment [Line Items]
Loans	3,877	311
Other commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans	328,530	258,061
Commercial Pass
Financing Receivable, Recorded Investment [Line Items]
Loans	4,843,433	3,769,920
Commercial Pass | Commercial and industrial loans
Financing Receivable, Recorded Investment [Line Items]
Loans	1,366,945	1,117,545
Commercial Pass | Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment [Line Items]
Loans	64,699	30,712
Commercial Pass | Real estate loans - Construction
Financing Receivable, Recorded Investment [Line Items]
Loans	469,967	398,646
Commercial Pass | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment [Line Items]
Loans	2,409,972	1,811,367
Commercial Pass | Real estate loans - Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	175,260	146,251
Commercial Pass | Real estate loans - Home equity
Financing Receivable, Recorded Investment [Line Items]
Loans	25,610	7,310
Commercial Pass | Lease financing receivables, net of unearned income
Financing Receivable, Recorded Investment [Line Items]
Loans	3,497	228
Commercial Pass | Other commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans	327,483	257,861
Commercial Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	149,567	124,863
Commercial Special Mention | Commercial and industrial loans
Financing Receivable, Recorded Investment [Line Items]
Loans	43,245	30,919
Commercial Special Mention | Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment [Line Items]
Loans	29,765	25,273
Commercial Special Mention | Real estate loans - Construction
Financing Receivable, Recorded Investment [Line Items]
Loans	1,619	3,490
Commercial Special Mention | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment [Line Items]
Loans	70,397	60,028
Commercial Special Mention | Real estate loans - Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	4,161	5,106
Commercial Special Mention | Real estate loans - Home equity
Financing Receivable, Recorded Investment [Line Items]
Loans		47
Commercial Special Mention | Lease financing receivables, net of unearned income
Financing Receivable, Recorded Investment [Line Items]
Loans	380
Commercial Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	139,898	159,215
Commercial Substandard | Commercial and industrial loans
Financing Receivable, Recorded Investment [Line Items]
Loans	25,234	46,182
Commercial Substandard | Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment [Line Items]
Loans	22,516	23,704
Commercial Substandard | Real estate loans - Construction
Financing Receivable, Recorded Investment [Line Items]
Loans	986	1,858
Commercial Substandard | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment [Line Items]
Loans	85,732	80,626
Commercial Substandard | Real estate loans - Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	4,259	6,046
Commercial Substandard | Real estate loans - Home equity
Financing Receivable, Recorded Investment [Line Items]
Loans	124	516
Commercial Substandard | Lease financing receivables, net of unearned income
Financing Receivable, Recorded Investment [Line Items]
Loans		83
Commercial Substandard | Other commercial loans
Financing Receivable, Recorded Investment [Line Items]
Loans	1,047	200
Commercial Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans	3,527
Commercial Doubtful | Commercial and industrial loans
Financing Receivable, Recorded Investment [Line Items]
Loans	668
Commercial Doubtful | Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment [Line Items]
Loans	622
Commercial Doubtful | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment [Line Items]
Loans	1,976
Commercial Doubtful | Real estate loans - Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	149
Commercial Doubtful | Real estate loans - Home equity
Financing Receivable, Recorded Investment [Line Items]
Loans	112
Commercial Loss
Financing Receivable, Recorded Investment [Line Items]
Loans
Commercial Loss | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment [Line Items]
Loans
Consumer Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	1,333,995	1,076,417
Consumer Performing | Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment [Line Items]
Loans	149
Consumer Performing | Real estate loans - Construction
Financing Receivable, Recorded Investment [Line Items]
Loans	26,155	14,636
Consumer Performing | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment [Line Items]
Loans	3,173	1,034
Consumer Performing | Real estate loans - Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	743,713	574,054
Consumer Performing | Real estate loans - Home equity
Financing Receivable, Recorded Investment [Line Items]
Loans	474,465	409,237
Consumer Performing | Individuals' loans for household and other personal expenditures
Financing Receivable, Recorded Investment [Line Items]
Loans	86,340	77,456
Consumer Non-Performing
Financing Receivable, Recorded Investment [Line Items]
Loans	13,028	9,230
Consumer Non-Performing | Real estate loans - Construction
Financing Receivable, Recorded Investment [Line Items]
Loans	135	73
Consumer Non-Performing | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment [Line Items]
Loans	3	7
Consumer Non-Performing | Real estate loans - Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	10,895	7,712
Consumer Non-Performing | Real estate loans - Home equity
Financing Receivable, Recorded Investment [Line Items]
Loans	1,929	1,415
Consumer Non-Performing | Individuals' loans for household and other personal expenditures
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 66	$ 23

XML

Loans and Allowance - Past Due Aging of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 6,439,057	$ 5,095,918
Non-Accrual	32,253	29,998
Total Past Due & Non-Accrual	44,391	43,727
Total	6,483,448	5,139,645
Commercial and industrial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,430,469	1,192,079
Non-Accrual	4,910	1,839
Total Past Due & Non-Accrual	5,623	2,567
Total	1,436,092	1,194,646
Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	116,410	78,360
Non-Accrual	1,282	1,329
Total Past Due & Non-Accrual	1,341	1,329
Total	117,751	79,689
Real estate loans - Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	498,233	415,975
Non-Accrual	67	73
Total Past Due & Non-Accrual	629	2,728
Total	498,862	418,703
Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	2,555,261	1,932,896
Non-Accrual	12,152	15,754
Total Past Due & Non-Accrual	15,992	20,166
Total	2,571,253	1,953,062
Real estate loans - Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	922,848	725,338
Non-Accrual	11,973	9,523
Total Past Due & Non-Accrual	15,589	13,831
Total	938,437	739,169
Real estate loans - Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	497,692	415,969
Non-Accrual	1,818	1,457
Total Past Due & Non-Accrual	4,548	2,556
Total	502,240	418,525
Individuals' loans for household and other personal expenditures
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	85,877	76,929
Non-Accrual	51	23
Total Past Due & Non-Accrual	529	550
Total	86,406	77,479
Lease financing receivables, net of unearned income
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	3,877	311
Total	3,877	311
Other commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	328,390	258,061
Total Past Due & Non-Accrual	140
Total	328,530	258,061
30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	8,779	9,490
30-59 Days Past Due | Commercial and industrial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	196	466
30-59 Days Past Due | Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	59
30-59 Days Past Due | Real estate loans - Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	432	2,655
30-59 Days Past Due | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,952	1,385
30-59 Days Past Due | Real estate loans - Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,960	3,664
30-59 Days Past Due | Real estate loans - Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,880	850
30-59 Days Past Due | Individuals' loans for household and other personal expenditures
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	300	470
60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,934	4,127
60-89 Days Past Due | Commercial and industrial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	492	162
60-89 Days Past Due | Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due
60-89 Days Past Due | Real estate loans - Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	62
60-89 Days Past Due | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	879	3,027
60-89 Days Past Due | Real estate loans - Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	613	635
60-89 Days Past Due | Real estate loans - Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	585	246
60-89 Days Past Due | Individuals' loans for household and other personal expenditures
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	163	57
60-89 Days Past Due | Other commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	140
Loans 90 Days And Accruing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	425	112
Loans 90 Days And Accruing | Commercial and industrial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	25	100
Loans 90 Days And Accruing | Agricultural production financing and other loans to farmers
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due
Loans 90 Days And Accruing | Real estate loans - Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	68
Loans 90 Days And Accruing | Real estate loans - Commercial and farmland
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	9
Loans 90 Days And Accruing | Real estate loans - Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	43	9
Loans 90 Days And Accruing | Real estate loans - Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	265	3
Loans 90 Days And Accruing | Individuals' loans for household and other personal expenditures
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 15

XML

Loans and Allowance - Summary of Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($) loan	Sep. 30, 2016 USD ($) loan	Sep. 30, 2017 USD ($) loan	Sep. 30, 2016 USD ($) loan
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Balance	$ 194	$ 753	$ 1,517	$ 6,797
Post-Modification Recorded Balance	$ 201	$ 831	$ 1,261	$ 6,702
Number of Loans | loan	4	14	18	32
Commercial and industrial loans
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Balance	$ 6		$ 400	$ 260
Post-Modification Recorded Balance	$ 6		$ 176	$ 260
Number of Loans | loan	1		2	3
Agricultural production financing and other loans to farmers
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Balance				$ 1,606
Post-Modification Recorded Balance				$ 1,472
Number of Loans | loan				5
Real estate loans - Commercial and farmland
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Balance		$ 87	$ 357	$ 3,978
Post-Modification Recorded Balance		$ 95	$ 492	$ 3,955
Number of Loans | loan		1	6	7
Real estate loans - Residential
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Balance	$ 120	$ 611	$ 570	$ 724
Post-Modification Recorded Balance	$ 122	$ 678	$ 520	$ 811
Number of Loans | loan	1	11	8	14
Real estate loans - Home equity
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Balance	$ 68	$ 55	$ 190	$ 229
Post-Modification Recorded Balance	$ 73	$ 58	$ 73	$ 204
Number of Loans | loan	2	2	2	3

XML

Loans and Allowance - Summary of Troubled Debt Restructurings by Modification Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Financing Receivable, Modifications [Line Items]
Modification	$ 200	$ 814	$ 1,088	$ 5,968
Term Modification
Financing Receivable, Modifications [Line Items]
Modification	5		46	1,314
Rate Modification
Financing Receivable, Modifications [Line Items]
Modification	195	719	600	970
Combination
Financing Receivable, Modifications [Line Items]
Modification		95	442	3,684
Commercial and industrial loans
Financing Receivable, Modifications [Line Items]
Modification	5		173	197
Commercial and industrial loans | Term Modification
Financing Receivable, Modifications [Line Items]
Modification	5		5
Commercial and industrial loans | Rate Modification
Financing Receivable, Modifications [Line Items]
Modification
Commercial and industrial loans | Combination
Financing Receivable, Modifications [Line Items]
Modification			168	197
Agricultural production financing and other loans to farmers
Financing Receivable, Modifications [Line Items]
Modification				898
Agricultural production financing and other loans to farmers | Term Modification
Financing Receivable, Modifications [Line Items]
Modification				898
Agricultural production financing and other loans to farmers | Rate Modification
Financing Receivable, Modifications [Line Items]
Modification
Real estate loans - Commercial and farmland
Financing Receivable, Modifications [Line Items]
Modification		95	334	3,903
Real estate loans - Commercial and farmland | Term Modification
Financing Receivable, Modifications [Line Items]
Modification			41	416
Real estate loans - Commercial and farmland | Rate Modification
Financing Receivable, Modifications [Line Items]
Modification			61
Real estate loans - Commercial and farmland | Combination
Financing Receivable, Modifications [Line Items]
Modification		95	232	3,487
Real estate loans - Residential
Financing Receivable, Modifications [Line Items]
Modification	122	663	508	773
Real estate loans - Residential | Term Modification
Financing Receivable, Modifications [Line Items]
Modification
Real estate loans - Residential | Rate Modification
Financing Receivable, Modifications [Line Items]
Modification	122	663	466	773
Real estate loans - Residential | Combination
Financing Receivable, Modifications [Line Items]
Modification			42
Real estate loans - Home equity
Financing Receivable, Modifications [Line Items]
Modification	73	56	73	197
Real estate loans - Home equity | Term Modification
Financing Receivable, Modifications [Line Items]
Modification
Real estate loans - Home equity | Rate Modification
Financing Receivable, Modifications [Line Items]
Modification	73	56	73	197
Real estate loans - Home equity | Combination
Financing Receivable, Modifications [Line Items]
Modification

XML

Loans and Allowance - Subsequent Default (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016 USD ($) loan	Sep. 30, 2016 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	1	4
Recorded Balance | $	$ 54	$ 251
Commercial and industrial loans
Financing Receivable, Modifications [Line Items]
Number of Loans | loan		3
Recorded Balance | $		$ 197
Real estate loans - Residential
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	1	1
Recorded Balance | $	$ 54	$ 54

XML

Accounting for Certain Loans Acquired in a Purchase - Carrying Amount of Loans Included in Balance Sheet (Details) $ in Thousands	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	$ 1,443,246	$ 698,097
Remaining fair value discount	(47,878)	(32,680)
Carrying amount	1,395,368	665,417
Allowance	863	380
Loans acquired and accounted for under ASC 310-30, carrying amount	1,394,505	665,037
Loans Acquired with Deteriorated Credit Quality
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	42,100	60,500
Loans acquired and accounted for under ASC 310-30, carrying amount	26,800	43,200
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	128,940	37,236
Agricultural production financing and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	40,817	2,710
Real estate loans - Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	61,106	29,298
Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	675,892	303,362
Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	396,388	257,640
Real estate loans - Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	117,262	64,819
Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	5,577	1,142
Lease financing receivables, net of unearned income
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	2,405
Other commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	14,859	1,890
Transferred to Other Real Estate Owned | Loans Acquired with Deteriorated Credit Quality
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance		12,100
Loans acquired and accounted for under ASC 310-30, carrying amount		$ 7,600
Loans transferred to Other Real Estate Owned, number | loan		1
IAB
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	715,563
Remaining fair value discount	(22,501)
Carrying amount	693,062
Allowance	362
Loans acquired and accounted for under ASC 310-30, carrying amount	692,700
IAB | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	107,827
IAB | Agricultural production financing and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	39,558
IAB | Real estate loans - Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	32,866
IAB | Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	370,664
IAB | Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	106,466
IAB | Real estate loans - Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	38,581
IAB | Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	4,236
IAB | Lease financing receivables, net of unearned income
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	2,405
IAB | Other commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	12,960
Arlington Bank
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	203,887
Remaining fair value discount	(5,901)
Carrying amount	197,986
Loans acquired and accounted for under ASC 310-30, carrying amount	197,986
Arlington Bank | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	4,131
Arlington Bank | Real estate loans - Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	16,025
Arlington Bank | Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	84,212
Arlington Bank | Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	71,752
Arlington Bank | Real estate loans - Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	26,918
Arlington Bank | Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	755
Arlington Bank | Other commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	94
Ameriana
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	198,390	$ 250,824
Remaining fair value discount	(7,065)	(10,771)
Carrying amount	191,325	240,053
Allowance	411	265
Loans acquired and accounted for under ASC 310-30, carrying amount	190,914	239,788
Ameriana | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	4,823	8,003
Ameriana | Real estate loans - Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	9,269	22,017
Ameriana | Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	83,030	103,075
Ameriana | Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	89,773	103,414
Ameriana | Real estate loans - Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	9,333	11,728
Ameriana | Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	417	762
Ameriana | Other commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	1,745	1,825
C Financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	60,579	77,100
Remaining fair value discount	(1,383)	(1,906)
Carrying amount	59,196	75,194
Loans acquired and accounted for under ASC 310-30, carrying amount	59,196	75,194
C Financial | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	70	85
C Financial | Real estate loans - Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	1,122	2,835
C Financial | Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	18,149	22,130
C Financial | Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	35,027	44,101
C Financial | Real estate loans - Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	6,211	7,947
C Financial | Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance		2
Community
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	43,453	60,108
Remaining fair value discount	(2,545)	(4,101)
Carrying amount	40,908	56,007
Allowance	52	23
Loans acquired and accounted for under ASC 310-30, carrying amount	40,856	55,984
Community | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	409	2,269
Community | Agricultural production financing and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	93	1,030
Community | Real estate loans - Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	1,721	4,026
Community | Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	29,681	36,947
Community | Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	6,845	9,363
Community | Real estate loans - Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	4,615	6,326
Community | Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	89	147
CFS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	197,692	279,479
Remaining fair value discount	(6,185)	(12,634)
Carrying amount	191,507	266,845
Allowance	38	92
Loans acquired and accounted for under ASC 310-30, carrying amount	191,469	266,753
CFS | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	9,509	23,327
CFS | Agricultural production financing and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	50	50
CFS | Real estate loans - Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	103	420
CFS | Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	83,186	131,895
CFS | Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	83,421	96,627
CFS | Real estate loans - Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	21,306	26,894
CFS | Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	57	201
CFS | Other commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	60	65
SCB
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	23,682	30,586
Remaining fair value discount	(2,298)	(3,268)
Carrying amount	21,384	27,318
Loans acquired and accounted for under ASC 310-30, carrying amount	21,384	27,318
SCB | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	2,171	3,552
SCB | Agricultural production financing and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	1,116	1,630
SCB | Real estate loans - Commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	6,970	9,315
SCB | Real estate loans - Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	3,104	4,135
SCB | Real estate loans - Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	10,298	11,924
SCB | Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired and accounted for under ASC 310-30, outstanding balance	$ 23	$ 30

XML

Accounting for Certain Loans Acquired in a Purchase - Accretable Yield or Income Expected to be Collected (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning balance	$ 2,607	$ 4,627	$ 3,951	$ 5,612
Additions	941		1,608
Accretion	(686)	(1,012)	(5,082)	(4,623)
Reclassification from nonaccretable	449	698	3,501	3,567
Disposals			(667)	(243)
Ending balance	3,311	4,313	3,311	4,313
IAB
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning balance
Additions	941		941
Accretion
Reclassification from nonaccretable
Disposals
Ending balance	941		941
Arlington Bank
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning balance	667
Additions			667
Accretion	(38)		(38)
Reclassification from nonaccretable	26		26
Disposals
Ending balance	655		655
Ameriana
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning balance	671	1,846	1,630	2,160
Additions
Accretion	(156)	(67)	(2,814)	(154)
Reclassification from nonaccretable	23	4	1,722	9
Disposals				(232)
Ending balance	538	1,783	538	1,783
C Financial
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning balance	63	81	73	114
Additions
Accretion	(134)	(18)	(222)	(104)
Reclassification from nonaccretable	71	15	149	68
Disposals
Ending balance		78		78
Community
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning balance	890	1,345	1,233	1,508
Additions
Accretion	(11)	(63)	(444)	(975)
Reclassification from nonaccretable		22	212	771
Disposals			(122)
Ending balance	879	1,304	879	1,304
CFS
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning balance	81	904	736	1,188
Additions
Accretion	(166)	(665)	(1,053)	(2,810)
Reclassification from nonaccretable	170	585	947	2,457
Disposals			(545)	(11)
Ending balance	85	824	85	824
SCB
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning balance	235	451	279	642
Additions
Accretion	(181)	(199)	(511)	(580)
Reclassification from nonaccretable	159	72	445	262
Disposals
Ending balance	$ 213	$ 324	$ 213	$ 324

XML

Accounting for Certain Loans Acquired in a Purchase - Loans Acquired for Which Contractually Required Payments Would not be Collected (Details) - USD ($) $ in Thousands	Jul. 14, 2017	May 19, 2017
IAB
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contractually required payments receivable at acquisition date	$ 14,131
Nonaccretable difference	8,352
Expected cash flows at acquisition date	5,779
Accretable difference	941
Basis in loans at acquisition date	$ 4,838
Arlington Bank
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contractually required payments receivable at acquisition date		$ 6,183
Nonaccretable difference		2,891
Expected cash flows at acquisition date		3,292
Accretable difference		667
Basis in loans at acquisition date		$ 2,625

XML

Goodwill - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2017	Mar. 31, 2016	Sep. 30, 2017	Dec. 31, 2016	Jul. 14, 2017	May 19, 2017	Dec. 31, 2015
Goodwill [Line Items]
Goodwill	$ 445,355		$ 445,355	$ 244,000			$ 243,129
Goodwill, measurement period adjustment			$ (469)	$ 871
IAB
Goodwill [Line Items]
Goodwill					$ 153,636
Arlington Bank
Goodwill [Line Items]
Goodwill						$ 47,719
Goodwill, measurement period adjustment	$ 469
Ameriana
Goodwill [Line Items]
Goodwill							$ 38,624
Goodwill, measurement period adjustment		$ 871

XML

Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 244,000	$ 243,129
Goodwill acquired	201,824
Measurement period adjustment	(469)	871
Goodwill, ending balance	$ 445,355	$ 244,000

XML

Other Intangibles - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2016	Sep. 30, 2017	Dec. 31, 2016	Jul. 14, 2017	May 19, 2017	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Measurement period adjustment			$ 2,142
Core deposits | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life of core deposit intangibles and other intangibles		2 years
Core deposits | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life of core deposit intangibles and other intangibles		10 years
IAB
Finite-Lived Intangible Assets [Line Items]
Core deposit intangible				$ 17,403
IAB | Core deposits
Finite-Lived Intangible Assets [Line Items]
Core deposit intangible				13,638
IAB | Noncompete agreements
Finite-Lived Intangible Assets [Line Items]
Core deposit intangible				$ 3,765
Arlington Bank
Finite-Lived Intangible Assets [Line Items]
Core deposit intangible					$ 4,526
Arlington Bank | Core deposits
Finite-Lived Intangible Assets [Line Items]
Core deposit intangible					$ 4,526
Ameriana
Finite-Lived Intangible Assets [Line Items]
Measurement period adjustment	$ 2,142
Ameriana | Core deposits
Finite-Lived Intangible Assets [Line Items]
Core deposit intangible						$ 5,342

XML

Other Intangibles - Schedule of Core Deposit and Other Intangibles (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 63,940	$ 61,798
Measurement period adjustment		2,142
Accumulated amortization	(52,666)	(49,074)
Total other intangibles	33,203	14,866
Core deposits
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles acquired	18,164
Other intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles acquired	$ 3,765

XML

Other Intangibles - Estimated Future Amortization Expense (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Amortization Expense
2017	$ 2,055
2018	6,719
2019	5,169
2020	3,632
2021	3,427
After 2021	12,201
Total other intangibles	$ 33,203	$ 14,866

XML

Derivative Financial Instruments - Narrative (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2017 USD ($) interest_rate_swap interest_rate_cap instrument	Dec. 31, 2016 USD ($) interest_rate_swap interest_rate_cap
Derivative [Line Items]
Estimated amount to be transferred from accumulated other comprehensive income to earnings	$ 803
Termination value of derivatives in a net liability position	3,877
Derivative collateral posted	12,366
Not Designated as Hedging Instrument
Derivative [Line Items]
Notional amount of interest rate derivatives	$ 383,658
Federal Home Loan Bank Advances
Derivative [Line Items]
Number of debt instruments held | instrument	3
Cash Flow Hedging | Interest Rate Swap
Derivative [Line Items]
Number of interest rate derivatives held | interest_rate_swap	5	5
Notional amount of interest rate derivatives	$ 56,000	$ 56,000
Cash Flow Hedging | Interest Rate Swap | Trust Preferred Debt
Derivative [Line Items]
Notional amount of interest rate derivatives	26,000
Cash Flow Hedging | Interest Rate Swap | Federal Home Loan Bank Advances
Derivative [Line Items]
Notional amount of interest rate derivatives	$ 30,000
Cash Flow Hedging | Interest Rate Cap
Derivative [Line Items]
Number of interest rate derivatives held | interest_rate_cap	1	1
Notional amount of interest rate derivatives	$ 13,000	$ 13,000
Cash Flow Hedging | Interest Rate Cap | Trust Preferred Debt
Derivative [Line Items]
Notional amount of interest rate derivatives	$ 13,000

XML

Derivative Financial Instruments - Fair Value of Derivative Financial Instruments and Their Classification on Balance Sheet (Details) - Interest rate contracts - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Derivatives designated as hedging instruments | Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 1	$ 15
Derivatives designated as hedging instruments | Other Liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	1,934	2,182
Derivatives not designated as hedging instruments | Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	7,060	6,295
Derivatives not designated as hedging instruments | Other Liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 7,060	$ 6,295

XML

Derivative Financial Instruments - Effect of Derivative Financial Instruments on Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Products
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)	$ (10)	$ 384	$ (380)	$ (2,383)

XML

Derivative Financial Instruments - Effect of Derivative Financial Instruments on Income Statement (Details) - Interest rate contracts - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Derivatives not designated as hedging instruments | Other income
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivative		$ 211		$ 698
Derivatives designated as hedging instruments | Interest Expense
Derivative [Line Items]
Amount of Gain (Loss) Reclassified from Other Comprehensive Income into Income (Effective Portion)	$ (240)	$ (317)	$ (759)	$ (959)

XML

Disclosures About Fair Value of Assets and Liabilities - Fair Value Measurements of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	$ 890,721	$ 696,862
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	250	18,765
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	886,484	672,928
Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	3,987	5,169
Fair Value, Measurements, Recurring | Interest rate swap liability | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swap liability	8,994	8,477
Fair Value, Measurements, Recurring | U.S. Treasury | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	250
Fair Value, Measurements, Recurring | U.S. Treasury | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities
Fair Value, Measurements, Recurring | U.S. Government-sponsored agency securities | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities		100
Fair Value, Measurements, Recurring | State and municipal | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	460,456	358,524
Fair Value, Measurements, Recurring | State and municipal | Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	3,952	5,134
Fair Value, Measurements, Recurring | U.S. Government-sponsored mortgage-backed securities | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	423,675	312,292
Fair Value, Measurements, Recurring | Corporate obligations | Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	31	31
Fair Value, Measurements, Recurring | Equity securities | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities		18,765
Fair Value, Measurements, Recurring | Equity securities | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	2,353	2,012
Fair Value, Measurements, Recurring | Equity securities | Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	4	4
Fair Value, Measurements, Recurring | Interest rate swap asset | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate derivatives	7,060	6,295
Fair Value, Measurements, Recurring | Interest rate cap | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate derivatives	1	15
Fair Value, Measurements, Recurring | Fair Value | Interest rate swap liability
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swap liability	8,994	8,477
Fair Value, Measurements, Recurring | Fair Value | U.S. Treasury
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	250
Fair Value, Measurements, Recurring | Fair Value | U.S. Government-sponsored agency securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities		100
Fair Value, Measurements, Recurring | Fair Value | State and municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	464,408	363,658
Fair Value, Measurements, Recurring | Fair Value | U.S. Government-sponsored mortgage-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	423,675	312,292
Fair Value, Measurements, Recurring | Fair Value | Corporate obligations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	31	31
Fair Value, Measurements, Recurring | Fair Value | Equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	2,357	20,781
Fair Value, Measurements, Recurring | Fair Value | Interest rate swap asset
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate derivatives	7,060	6,295
Fair Value, Measurements, Recurring | Fair Value | Interest rate cap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate derivatives	$ 1	$ 15

XML

Disclosures About Fair Value of Assets and Liabilities - Reconciliation of Beginning and Ending Balances of Recurring Fair Value Measurements using Significant Unobservable Level 3 Inputs (Details) - Fair Value, Measurements, Recurring - Available for Sale Securities - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Available for Sale Securities
Balance at beginning of the period	$ 3,330	$ 5,564	$ 5,169	$ 5,932
Included in other comprehensive income	(22)	(45)	38	52
Principal payments	679	(77)	(1,220)	(542)
Ending balance	$ 3,987	$ 5,442	$ 3,987	$ 5,442

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Disclosures About Fair Value of Assets and Liabilities - Transfers Between Levels (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fair Value Disclosures [Abstract]
Transfers in or out of Level 3	$ 0	$ 0	$ 0	$ 0

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Disclosures About Fair Value of Assets and Liabilities - Valuation Methodologies Used for Instruments Measured at Fair Value on Non-Recurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Impaired loans (collateral dependent)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 8,045	$ 15,318
Impaired loans (collateral dependent) | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	8,045	15,318
Other real estate owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	1,818	1,612
Other real estate owned | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 1,818	$ 1,612

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Disclosures About Fair Value of Assets and Liabilities - Unobservable Inputs Used in Recurring and Nonrecurring Level 3 Fair Value Measurements Other Than Goodwill (Details) - Significant Unobservable Inputs (Level 3) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
State and municipal securities | Discounted cash flow
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 3,952	$ 5,134
State and municipal securities | Discounted cash flow | Minimum
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Maturity/Call date	1 month	1 month
US Muni BQ curve	A-	A-
Discount rate	0.69%	0.69%
State and municipal securities | Discounted cash flow | Maximum
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Maturity/Call date	20 years	20 years
US Muni BQ curve	BBB-	BBB-
Discount rate	5.00%	5.00%
Corporate obligations and Equity securities | Discounted cash flow
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 35	$ 35
Risk free rate	3 month LIBOR	3 month LIBOR
Discount to reflect current market conditions	2.00%	2.00%
Impaired loans (collateral dependent) | Collateral based measurements
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 8,045	$ 15,318
Impaired loans (collateral dependent) | Collateral based measurements | Minimum
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Discount to reflect current market conditions and ultimate collectability	0.00%	0.00%
Impaired loans (collateral dependent) | Collateral based measurements | Maximum
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Discount to reflect current market conditions and ultimate collectability	10.00%	10.00%
Impaired loans (collateral dependent) | Collateral based measurements | Weighted Average
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Discount to reflect current market conditions and ultimate collectability	1.00%	1.00%
Other real estate owned | Appraisals
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 1,818	$ 1,612
Other real estate owned | Appraisals | Minimum
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Discount to reflect current market conditions	0.00%	0.00%
Other real estate owned | Appraisals | Maximum
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Discount to reflect current market conditions	15.00%	10.00%
Other real estate owned | Appraisals | Weighted Average
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Discount to reflect current market conditions	4.00%	9.00%

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Disclosures About Fair Value of Assets and Liabilities - Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets:
Investment securities available for sale	$ 890,721	$ 696,862
Investment securities held to maturity	587,270	611,933
Loans held for sale	4,514	2,929
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash and cash equivalents	146,607	127,927
Interest-bearing time deposits	72,950	24,459
Investment securities available for sale	250	18,765
Liabilities:
Deposits	5,447,422	4,427,605
Significant Other Observable Inputs (Level 2)
Assets:
Investment securities available for sale	886,484	672,928
Investment securities held to maturity	574,698	597,246
Loans held for sale	4,514	2,929
Federal Home Loan Bank stock	23,825	17,964
Interest rate swap and cap asset	7,061	6,310
Interest receivable	32,366	26,194
Liabilities:
Deposits	1,445,246	1,111,491
Borrowings:
Federal funds purchased	100,000	120,349
Securities sold under repurchase agreements	142,060	146,449
Federal Home Loan Bank advances	407,708	297,465
Subordinated debentures and term loans	114,435	105,930
Interest rate swap liability	8,994	8,477
Interest payable	4,956	3,110
Significant Unobservable Inputs (Level 3)
Assets:
Investment securities available for sale	3,987	5,169
Investment securities held to maturity	12,572	14,687
Loans	6,301,582	4,933,552
Carrying Amount
Assets:
Cash and cash equivalents	146,607	127,927
Interest-bearing time deposits	72,950	24,459
Investment securities available for sale	890,721	696,862
Investment securities held to maturity	578,166	607,643
Loans held for sale	4,514	2,929
Loans	6,410,094	5,073,608
Federal Home Loan Bank stock	23,825	17,964
Interest rate swap and cap asset	7,061	6,310
Interest receivable	32,366	26,194
Liabilities:
Deposits	6,911,019	5,556,498
Borrowings:
Federal funds purchased	100,000	120,349
Securities sold under repurchase agreements	142,107	146,480
Federal Home Loan Bank advances	406,820	298,923
Subordinated debentures and term loans	139,686	128,445
Interest rate swap liability	8,994	8,477
Interest payable	$ 4,956	$ 3,110

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Transfers Accounted for as Secured Borrowings (Details) - U.S. Government-sponsored mortgage-backed securities - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets Sold under Agreements to Repurchase [Line Items]
Collateral pledged for all repurchase agreements accounted for as secured borrowings	$ 142,107	$ 146,480
Overnight and Continuous
Assets Sold under Agreements to Repurchase [Line Items]
Collateral pledged for all repurchase agreements accounted for as secured borrowings	129,128	129,617
Up to 30 Days
Assets Sold under Agreements to Repurchase [Line Items]
Collateral pledged for all repurchase agreements accounted for as secured borrowings	1,339	1,337
30-90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Collateral pledged for all repurchase agreements accounted for as secured borrowings	2,544	10,253
Greater Than 90 Days
Assets Sold under Agreements to Repurchase [Line Items]
Collateral pledged for all repurchase agreements accounted for as secured borrowings	$ 9,096	$ 5,273

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Accumulated Other Comprehensive Income (Loss) - Changes in Balances of Each Component (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss)
Beginning balance			$ 901,657
Other comprehensive income before reclassifications			7,878	$ 6,315
Amounts reclassified from accumulated other comprehensive income	$ (118)	$ (339)	(655)	(1,029)
Period change	(7,742)	(3,111)	7,223	5,286
Ending balance	1,283,120		1,283,120
Total
Accumulated Other Comprehensive Income (Loss)
Beginning balance			(13,581)	(1,362)
Period change			7,223
Ending balance	(6,358)	3,924	(6,358)	3,924
Unrealized Gains (Losses) on Securities Available for Sale
Accumulated Other Comprehensive Income (Loss)
Beginning balance			1,035	12,325
Other comprehensive income before reclassifications			8,124	7,863
Amounts reclassified from accumulated other comprehensive income	(216)	(545)	(973)	(1,652)
Period change			7,151	6,211
Ending balance	8,186	18,536	8,186	18,536
Unrealized Gains (Losses) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss)
Beginning balance			(1,774)	(2,347)
Other comprehensive income before reclassifications			(246)	(1,548)
Amounts reclassified from accumulated other comprehensive income	156	206	493	623
Period change			247	(925)
Ending balance	(1,527)	(3,272)	(1,527)	(3,272)
Unrealized Gains (Losses) on Defined Benefit Plans
Accumulated Other Comprehensive Income (Loss)
Beginning balance			(12,842)	(11,340)
Other comprehensive income before reclassifications
Amounts reclassified from accumulated other comprehensive income			(175)
Period change			(175)	0
Ending balance	$ (13,017)	$ (11,340)	$ (13,017)	$ (11,340)

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Accumulated Other Comprehensive Income (Loss) - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]
Other income - net realized gains on sales of available for sale securities	$ 332	$ 839	$ 1,497	$ 2,542
Interest expense - subordinated debentures and term loans	1,945	1,797	5,602	5,368
Amortization of prior service costs	33,244	26,651	86,052	79,558
Income tax expense	(7,939)	(7,469)	(22,314)	(19,759)
Total reclassifications for the period, net of tax	118	339	655	1,029
Unrealized gains (losses) on available for sale securities
Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for the period, net of tax	216	545	973	1,652
Unrealized gains (losses) on cash flow hedges
Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for the period, net of tax	(156)	(206)	(493)	(623)
Unrealized Gains (Losses) on Defined Benefit Plans
Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for the period, net of tax			175
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) for the Period | Unrealized gains (losses) on available for sale securities
Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]
Other income - net realized gains on sales of available for sale securities	332	839	1,497	2,542
Income tax expense	(116)	(294)	(524)	(890)
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) for the Period | Unrealized gains (losses) on cash flow hedges
Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	84	111	266	336
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) for the Period | Unrealized gains (losses) on cash flow hedges | Interest rate contracts
Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]
Interest expense - subordinated debentures and term loans	(240)	(317)	(759)	(959)
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) for the Period | Unrealized Gains (Losses) on Defined Benefit Plans
Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior service costs	89		269
Income tax expense	(31)		(94)
Total reclassifications for the period, net of tax	$ 58	$ 0	$ 175	$ 0

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Share-Based Compensation - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended		33 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of average closing price to be paid by employees			85.00%
Maximum common stock purchases through advance payroll deductions in a calendar year			$ 25,000
Share-based compensation	$ 823,000	$ 648,000	$ 1,884,000	$ 1,883,000
Options granted (in shares)					0
Forfeiture rate			2.80%
Income tax benefit from adoption of ASU 2016-09	9,000		$ 846,000
Unrecognized compensation expense related to stock options	$ 0		0		$ 0
Aggregate intrinsic value of stock options exercised			1,675,000	245,000
Cash receipts of stock options exercised			$ 2,323,000	$ 309,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option term			10 years
Stock options vesting percentage			100.00%
Stock Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested period			6 months
Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested period			2 years
RSAs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested period			3 years
Outstanding DSUs (in shares)	367,089		367,089		367,089	328,347
Unrecognized compensation expense related to RSAs	$ 6,810,000		$ 6,810,000		$ 6,810,000
Unrecognized compensation expense expected recognition period			1 year 7 months 28 days
DSUs | Non-employee Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding DSUs (in shares)	0		0		0
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to stock options	$ 0		$ 0		$ 0
Grant date fair value of ESPP options	$ 23,000

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Share-Based Compensation - Components of Share-Based Compensation Awards (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 823	$ 648	$ 1,884	$ 1,883
Income tax expense (benefit)	(289)	(218)	(1,473)	(628)
Total share-based compensation expense, net of income taxes	534	430	411	1,255
Stock and ESPP Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	23	18	93	54
Income tax expense (benefit)	(9)	3	(313)	12
Total share-based compensation expense, net of income taxes	14	21	(220)	66
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	800	630	1,791	1,829
Income tax expense (benefit)	(280)	(221)	(1,160)	(640)
Total share-based compensation expense, net of income taxes	$ 520	$ 409	$ 631	$ 1,189

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Share-Based Compensation - Stock Option Activity under Stock Option Plans (Details)	9 Months Ended	33 Months Ended
	Sep. 30, 2017 USD ($) $ / shares shares	Sep. 30, 2017 USD ($) $ / shares shares
Number of Shares
Beginning balance (in shares) | shares	260,211
Granted (in shares) | shares		0
Exercised (in shares) | shares	(101,759)
Cancelled (in shares) | shares
Ending balance (in shares) | shares	158,452	158,452
Vested and Expected to Vest (in shares) | shares	158,452	158,452
Exercisable (in shares) | shares	158,452	158,452
Weighted-Average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 19.26
Granted (in dollars per share) | $ / shares
Exercised (in dollars per share) | $ / shares	22.83
Cancelled (in dollars per share) | $ / shares
Ending balance (in dollars per share) | $ / shares	16.96	$ 16.96
Vested and Expected to Vest (in dollars per share) | $ / shares	16.96	16.96
Exercisable (in dollars per share) | $ / shares	$ 16.96	$ 16.96
Weighted Average Remaining Contractual Term (in Years)
Outstanding (term)	2 years 6 months 20 days
Vested and Expected to Vest (term)	2 years 6 months 20 days
Exercisable (term)	2 years 6 months 20 days
Aggregate Intrinsic Value
Outstanding | $	$ 4,114,422	$ 4,114,422
Vested and Expected to Vest | $	4,114,422	4,114,422
Exercisable | $	$ 4,114,422	$ 4,114,422

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Share-Based Compensation - Unvested RSAs Outstanding (Details) - RSAs	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Number of Shares
Unvested RSAs, Beginning Balance (in shares) | shares	328,347
Granted (in shares) | shares	127,757
Vested (in shares) | shares	(84,795)
Forfeited (in shares) | shares	(4,220)
Unvested RSAs, Ending Balance (in shares) | shares	367,089
Weighted-Average Grant Date Fair Value
Unvested RSAs, Beginning Balance (in dollars per share) | $ / shares	$ 22.87
Granted (in dollars per share) | $ / shares	40.41
Vested (in dollars per share) | $ / shares	20.45
Forfeited (in dollars per share) | $ / shares	23.11
Unvested RSAs, Ending Balance (in dollars per share) | $ / shares	$ 29.53

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Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Reconciliation of Federal Statutory to Actual Tax Expense:
Federal statutory income tax at 35%	$ 11,304	$ 9,985	$ 32,900	$ 27,481
Federal statutory income tax rate	35.00%	35.00%	35.00%	35.00%
Tax-exempt interest income	$ (2,881)	$ (2,198)	$ (8,062)	$ (6,328)
Share-based compensation	(78)	(29)	(862)	(10)
Tax-exempt earnings and gains on life insurance	(551)	(216)	(1,905)	(1,186)
Tax credits	(132)	(165)	(396)	(423)
Other	277	92	639	225
Actual Tax Expense	$ 7,939	$ 7,469	$ 22,314	$ 19,759
Effective Tax Rate	24.60%	26.20%	23.70%	25.20%

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Net Income Per Share - Reconciliation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net Income
Net income available to common stockholders	$ 24,358	$ 21,059	$ 71,687	$ 58,758
Diluted net income per share	$ 24,358	$ 21,059	$ 71,687	$ 58,758
Weighted-Average Shares
Net income available to common stockholders (in shares)	48,431,880	40,779,423	43,845,675	40,740,714
Effect of potentially dilutive stock options and restricted stock awards (in shares)	211,894	246,361	217,544	229,501
Diluted net income per share (in shares)	48,643,774	41,025,784	44,063,219	40,970,215
Per Share Amount
Net income available to common stockholders (in dollars per share)	$ 0.50	$ 0.51	$ 1.64	$ 1.44
Diluted net income per share (in dollars per share)	$ 0.50	$ 0.51	$ 1.63	$ 1.43

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Net Income Per Share - Narrative (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options not included in the earnings per share calculation (in shares)	0	53,550	0	119,157