10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2016

Commission File Number:  001-33912

Enterprise Bancorp, Inc.

(Exact name of registrant as specified in its charter)

Massachusetts	04-3308902
(State or other jurisdiction of	(I.R.S. Employer Identification No.)
incorporation or organization)
222 Merrimack Street, Lowell, Massachusetts	01852
(Address of principal executive offices)	(Zip code)

(978) 459-9000

(Registrant's telephone number, including area code)

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.  x Yes   o  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 (§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)  x Yes  o  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 definition for "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act (Check one): 

Large accelerated filer o	Accelerated filer x
Non-accelerated filer o	Smaller reporting company o

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

As of November 1, 2016, there were 11,449,122 shares of the issuer's common stock outstanding- Par Value $0.01 per share.

ENTERPRISE BANCORP, INC.

INDEX

		Page Number
	Cover Page	1
	Index	2
	PART I - FINANCIAL INFORMATION
Item 1	Financial Statements	3
	Consolidated Balance Sheets - September 30, 2016 and December 31, 2015	3
	Consolidated Statements of Income -Three and nine months ended September 30, 2016 and 2015	4
	Consolidated Statements of Comprehensive Income -Three and nine months ended September 30, 2016 and 2015	5
	Consolidated Statement of Changes in Stockholders’ Equity - Nine months ended September 30, 2016	6
	Consolidated Statements of Cash Flows - Nine months ended September 30, 2016 and 2015	7
	Notes to Unaudited Consolidated Interim Financial Statements	8
Item 2	Management’s Discussion and Analysis of Financial Condition and Results of Operations	39
Item 3	Quantitative and Qualitative Disclosures About Market Risk	66
Item 4	Controls and Procedures	67
	PART II - OTHER INFORMATION
Item 1	Legal Proceedings	68
Item 1A	Risk Factors	68
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	68
Item 3	Defaults Upon Senior Securities	68
Item 4	Mine Safety Disclosures	68
Item 5	Other Information	68
Item 6	Exhibits	69
	Signature page	70

2

PART I-FINANCIAL INFORMATION

Item 1 - Financial Statements

ENTERPRISE BANCORP, INC.

Consolidated Balance Sheets

(Unaudited)

(Dollars in thousands)	September 30, 2016		December 31, 2015
Assets
Cash and cash equivalents:
Cash and due from banks	$	34,337	$	32,318
Interest-earning deposits	27,823		19,177
Total cash and cash equivalents	62,160		51,495
Investment securities at fair value	349,064		300,358
Federal Home Loan Bank stock	1,884		3,050
Loans held for sale	2,171		1,709
Loans, less allowance for loan losses of $31,589 at September 30, 2016 and $29,008 at December 31, 2015	1,954,265		1,830,954
Premises and equipment, net	33,861		30,553
Accrued interest receivable	8,467		7,790
Deferred income taxes, net	13,405		14,111
Bank-owned life insurance	28,582		28,018
Prepaid income taxes	57		57
Prepaid expenses and other assets	11,277		11,780
Goodwill	5,656		5,656
Total assets	$	2,470,849	$	2,285,531
Liabilities and Stockholders' Equity
Liabilities
Deposits	$	2,221,609	$	2,018,148
Borrowed funds	671		53,671
Subordinated debt	14,831		14,822
Accrued expenses and other liabilities	17,504		18,287
Accrued interest payable	194		276
Total liabilities	$	2,254,809	$	2,105,204
Commitments and Contingencies
Stockholders' Equity
Preferred stock, $0.01 par value per share; 1,000,000 shares authorized; no shares issued	—		—
Common stock $0.01 par value per share; 20,000,000 shares authorized; 11,448,502 shares issued and outstanding at September 30, 2016 (including 142,162 shares of unvested participating restricted awards), 10,377,787 shares issued and outstanding at December 31, 2015 (including 144,717 shares of unvested participating restricted awards)	114		104
Additional paid-in-capital	83,394		61,008
Retained earnings	126,543		116,941
Accumulated other comprehensive income	5,989		2,274
Total stockholders' equity	$	216,040	$	180,327
Total liabilities and stockholders' equity	$	2,470,849	$	2,285,531

See the accompanying notes to the unaudited consolidated interim financial statements.

3

ENTERPRISE BANCORP, INC.

Consolidated Statements of Income

(Unaudited)

	Three months ended September 30,				Nine months ended September 30,
(Dollars in thousands, except per share data)	2016		2015		2016		2015
Interest and dividend income:
Loans and loans held for sale	$	21,466	$	19,785	$	63,379	$	57,538
Investment securities	1,629		1,377		4,720		3,825
Other interest-earning assets	96		62		189		137
Total interest and dividend income	23,191		21,224		68,288		61,500
Interest expense:
Deposits	1,138		1,022		3,325		3,033
Borrowed funds	2		10		79		32
Subordinated debt	234		232		695		837
Total interest expense	1,374		1,264		4,099		3,902
Net interest income	21,817		19,960		64,189		57,598
Provision for loan losses	1,386		250		2,503		2,100
Net interest income after provision for loan losses	20,431		19,710		61,686		55,498
Non-interest income:
Investment advisory fees	1,162		1,182		3,593		3,568
Deposit and interchange fees	1,272		1,207		3,790		3,575
Income on bank-owned life insurance, net	182		157		564		358
Net gains on sales of investment securities	546		7		611		1,363
Gains on sales of loans	198		89		392		373
Other income	588		542		1,786		1,650
Total non-interest income	3,948		3,184		10,736		10,887
Non-interest expense:
Salaries and employee benefits	10,948		10,255		32,458		29,934
Occupancy and equipment expenses	1,859		1,775		5,453		5,484
Technology and telecommunications expenses	1,577		1,428		4,548		4,223
Advertising and public relations expenses	591		641		2,087		2,180
Audit, legal and other professional fees	446		564		1,342		1,305
Deposit insurance premiums	347		299		997		889
Supplies and postage expenses	241		226		728		736
Investment advisory and custodial expenses	107		102		283		237
Other operating expenses	1,298		1,258		3,929		4,037
Total non-interest expense	17,414		16,548		51,825		49,025
Income before income taxes	6,965		6,346		20,597		17,360
Provision for income taxes	2,251		2,054		6,799		5,933
Net income	$	4,714	$	4,292	$	13,798	$	11,427
Basic earnings per share	$	0.41	$	0.41	$	1.28	$	1.11
Diluted earnings per share	$	0.41	$	0.41	$	1.27	$	1.10
Basic weighted average common shares outstanding	11,430,134		10,349,232		10,801,278		10,308,310
Diluted weighted average common shares outstanding	11,498,990		10,414,254		10,869,405		10,373,464

See the accompanying notes to the unaudited consolidated interim financial statements.

4

ENTERPRISE BANCORP, INC.

Consolidated Statements of Comprehensive Income

(Unaudited)

	Three months ended September 30,						Nine months ended September 30,
(Dollars in thousands)	2016			2015			2016			2015
Net income	$	4,714		$	4,292		$	13,798		$	11,427
Other comprehensive income (loss), net of taxes:
Gross change in unrealized holding gains (losses) on investments arising during the period	(558		)	1,065			6,522			234
Income tax (expense) benefit	213			(388		)	(2,416		)	(70		)
Net unrealized holding gains (losses), net of tax	(345		)	677			4,106			164
Less: Reclassification adjustment for net gains included in net income
Net realized gains on sales of securities during the period	546			7			611			1,363
Income tax expense	(196		)	(2		)	(220		)	(475		)
Reclassification adjustment for gains realized, net of tax	350			5			391			888
Total other comprehensive income (loss)	(695		)	672			3,715			(724		)
Comprehensive income	$	4,019		$	4,964		$	17,513		$	10,703

See the accompanying notes to the unaudited consolidated interim financial statements.

5

ENTERPRISE BANCORP, INC.

Consolidated Statement of Changes in Stockholders' Equity

(Unaudited)

(Dollars in thousands, except per share data)	Common Stock		Additional Paid-in Capital		Retained Earnings			Accumulated Other Comprehensive Income		Total Stockholders' Equity
Balance at December 31, 2015	$	104	$	61,008	$	116,941		$	2,274	$	180,327
Net income					13,798					13,798
Other comprehensive income, net								3,715		3,715
Tax benefit from stock compensation			229							229
Common stock dividend paid ($0.39 per share)					(4,196		)			(4,196		)
Common stock issued under dividend reinvestment plan	—		1,023							1,023
Common stock issued other, net of expenses	9		19,784							19,793
Stock-based compensation, net	1		1,117							1,118
Stock options exercised, net	—		233							233
Balance at September 30, 2016	$	114	$	83,394	$	126,543		$	5,989	$	216,040

See the accompanying notes to the unaudited consolidated interim financial statements.

6

ENTERPRISE BANCORP, INC.

Consolidated Statements of Cash Flows

(Unaudited)

	Nine months ended September 30,
(Dollars in thousands)	2016			2015
Cash flows from operating activities:
Net income	$	13,798		$	11,427
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	2,503			2,100
Depreciation and amortization	4,387			4,162
Stock-based compensation expense	1,349			1,365
Mortgage loans originated for sale	(19,943		)	(18,013		)
Proceeds from mortgage loans sold	19,873			19,432
Net gains on sales of loans	(392		)	(373		)
Net gains on sales of OREO	—			(154		)
Net gains on sales of investments	(611		)	(1,363		)
Income on bank-owned life insurance, net	(564		)	(358		)
Changes in:
Accrued interest receivable	(677		)	(1,001		)
Prepaid expenses and other assets	357			7,807
Deferred income taxes	(1,490		)	(427		)
Accrued expenses and other liabilities	290			1,700
Subordinated debt issuance costs	9			(190		)
Accrued interest payable	(82		)	(314		)
Net cash provided by operating activities	18,807			25,800
Cash flows from investing activities:
Proceeds from sales of investment securities available-for-sale	4,729			13,677
Net proceeds (purchases) from FHLB capital stock	1,166			(882		)
Proceeds from maturities, calls and pay-downs of investment securities	16,708			21,276
Purchase of investment securities	(65,846		)	(73,940		)
Net increase in loans	(125,814		)	(119,095		)
Additions to premises and equipment, net	(7,033		)	(2,970		)
Proceeds from OREO sales and payments	—			1,015
Proceeds from bank-owned life insurance	405			—
Purchase of bank-owned life insurance	—			(11,390		)
Net cash used in investing activities	(175,685		)	(172,309		)
Cash flows from financing activities:
Net increase in deposits	203,461			195,069
Net decrease in borrowed funds	(53,000		)	(34,729		)
Repayment of subordinated debt	—			(10,825		)
Proceeds from issuance of subordinated debt	—			15,000
Cash dividends paid	(4,196		)	(3,863		)
Proceeds from issuance of common stock	20,816			1,086
Proceeds from exercise of stock options, net of repurchases for tax withholdings	233			407
Tax benefit from stock-based compensation	229			4
Net cash provided by financing activities	167,543			162,149
Net increase in cash and cash equivalents	10,665			15,640
Cash and cash equivalents at beginning of period	51,495			40,146
Cash and cash equivalents at end of period	$	62,160		$	55,786
Supplemental financial data:
Cash Paid For: Interest	$	4,098		$	4,216
Cash Paid For: Income Taxes	8,021			5,291
Supplemental schedule of non-cash investing activity:
Net purchases of investment securities not yet settled	1,215			—

 See accompanying notes to the unaudited consolidated interim financial statements.

7

ENTERPRISE BANCORP, INC.

Notes to the Unaudited Consolidated Interim Financial Statements

(1)Summary of Significant Accounting Policies

(a) Organization of Holding Company and Basis of Presentation

The accompanying unaudited consolidated interim financial statements and these notes should be read in conjunction with the December 31, 2015 audited consolidated financial statements and notes thereto contained in the 2015 Annual Report on Form 10-K of Enterprise Bancorp, Inc. (the "Company" or "Enterprise"), a Massachusetts corporation, as filed with the Securities and Exchange Commission (the "SEC") on March 15, 2016 (the "2015 Annual Report on Form 10-K").  The Company has not changed its accounting policies from those disclosed in its 2015 Annual Report on Form 10-K.

The Company's unaudited consolidated interim financial statements include the accounts of the Company and its wholly owned subsidiary, Enterprise Bank and Trust Company (the "Bank").  The Bank is a Massachusetts trust company organized in 1989. Substantially all of the Company's operations are conducted through the Bank and its subsidiaries.

The Bank's subsidiaries include Enterprise Insurance Services, LLC and Enterprise Investment Services, LLC, organized under the laws of the State of Delaware for the purposes of engaging in insurance sales activities and offering non-deposit investment products and services, respectively.  In addition, the Bank has the following subsidiaries that are incorporated in the Commonwealth of Massachusetts and classified as security corporations in accordance with applicable Massachusetts General Laws: Enterprise Security Corporation; Enterprise Security Corporation II; and Enterprise Security Corporation III.  The security corporations, which hold various types of qualifying securities, are limited to conducting securities investment activities that the Bank itself would be allowed to conduct under applicable laws.

At September 30, 2016, the Company had 23 full service branches serving the greater Merrimack Valley and North Central regions of Massachusetts and Southern New Hampshire. The Company also recently announced the anticipated opening of its 24^th branch in Windham, NH in 2017, subject to the receipt of all requisite regulatory approvals. Through the Bank and its subsidiaries, the Company offers a range of commercial and consumer loan products, and deposit and cash management services. The Company also offers investment advisory and wealth management, trust and insurance services.  The services offered through the Bank and its subsidiaries are managed as one strategic unit and represent the Company's only reportable operating segment.

The Federal Deposit Insurance Corporation (the "FDIC") and the Massachusetts Division of Banks (the "Division") have regulatory authority over the Bank.  The Bank is also subject to certain regulatory requirements of the Board of Governors of the Federal Reserve System (the "Federal Reserve Board") and, with respect to its New Hampshire branch operations, the New Hampshire Banking Department.  The business and operations of the Company are subject to the regulatory oversight of the Federal Reserve Board.  The Division also retains supervisory jurisdiction over the Company.

The accompanying unaudited consolidated interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States ("GAAP") for interim financial information and the instructions for Form 10-Q through the rules and interpretive releases of the SEC under federal securities law. In the opinion of management, the accompanying unaudited consolidated interim financial statements reflect all necessary adjustments consisting of normal recurring accruals for a fair presentation.  All significant intercompany balances and transactions have been eliminated in the accompanying unaudited consolidated interim financial statements. Certain previous years' amounts in the consolidated financial statements, and notes thereto, have been reclassified to conform to the current year's presentation. Interim results are not necessarily indicative of results to be expected for the entire year. The Company has evaluated subsequent events and transactions from September 30, 2016 through November 7, 2016 for potential recognition or disclosure as required by GAAP.

(b) Critical Accounting Estimates

In preparing the unaudited consolidated interim financial statements in conformity with GAAP, management is required to exercise judgment in determining many of the methodologies, assumptions and estimates to be utilized.  These assumptions and estimates affect the reported values of assets and liabilities as of the balance sheet date and income and expenses for the period then ended.  As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates should the assumptions and estimates used change over time due to changes in circumstances.  Changes in those estimates resulting from continuing change in the economic environment and other factors will be reflected in the financial statements and results of operations in future periods.

8

Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

As discussed in the Company's 2015 Annual Report on Form 10-K, the three most significant areas in which management applies critical assumptions and estimates that are particularly susceptible to change relate to the determination of the allowance for loan losses, impairment review of investment securities and the impairment review of goodwill.  Refer to Note 1, "Summary of Significant Accounting Policies," to the Company's consolidated financial statements included in the Company's 2015 Annual Report on Form 10-K for significant accounting policies. The Company has not changed its significant accounting policies from those disclosed in its 2015 Annual Report on Form 10-K.

(c) Reporting Comprehensive Income

Comprehensive income is defined as all changes to stockholders' equity except investments by and distributions to stockholders.  Net income is one component of comprehensive income, with other components referred to in the aggregate as other comprehensive income.  The Company's only other comprehensive income component is the net unrealized holding gains or losses on investments available-for-sale, net of deferred income taxes. Pursuant to Accounting Standards, the Company initially excludes these unrealized holding gains and losses from net income; however, they are later reported as reclassifications out of accumulated other comprehensive income into net income when the securities are sold. When securities are sold, the reclassification of realized gains and losses on available-for-sale securities are included on the Consolidated Statements of Income under the "non-interest income" subheading on the line item "net gains on sales of investment securities" and the related income tax expense is included in the line item "provision for income taxes," both of which are also detailed on the Consolidated Statements of Comprehensive Income under the subheading "reclassification adjustment for net gains included in net income."

(d) Restricted Investments

As a member of the Federal Home Loan Bank of Boston ("FHLB"), the Company is required to purchase certain levels of FHLB capital stock at par value in association with the Company's borrowing relationship from the FHLB.  From time-to-time, the FHLB may initiate the repurchase, at par value, of "excess" levels of its capital stock held by member banks. This stock is classified as a restricted investment and carried at cost, which management believes approximates fair value.  FHLB stock represents the only restricted investment held by the Company.

In conjunction with the other-than-temporary-impairment ("OTTI") review on available-for-sale investments (See Note 2, "Investments," for additional information), management also regularly reviews its holdings of FHLB stock for OTTI. Based on management's periodic review, the Company has not recorded any OTTI charges on this investment to date. If it was determined that a write-down of FHLB stock was required, impairment would be recognized through a charge to earnings.

(e) Income Taxes

The Company uses the asset and liability method of accounting for income taxes.  Under this method, deferred tax assets and liabilities are recognized for the future tax attributable to differences between the financial statement carrying amounts and the tax basis of assets and liabilities.  The deferred tax assets and liabilities are reflected at currently enacted income tax rates applicable to the period in which the deferred tax assets or liabilities are expected to be realized or settled.  As changes in tax laws or rates are enacted, deferred tax assets and liabilities will be adjusted accordingly through the provision for income taxes.

The Company's policy is to classify interest resulting from underpayment of income taxes as income tax expense in the first period the interest would begin accruing according to the provisions of the relevant tax law.  The Company classifies penalties resulting from underpayment of income taxes as income tax expense in the period for which the Company claims or expects to claim an uncertain tax position or in the period in which the Company's judgment changes regarding an uncertain tax position.

The income tax provisions will differ from the expense that would result from applying the federal statutory rate to income before taxes, due primarily to the impact of tax exempt interest from certain investment securities, loans and bank-owned life insurance.

The Company did not have any unrecognized tax benefits accrued as income tax liabilities or receivables or as deferred tax items at September 30, 2016.  The Company is subject to U.S. federal and state income tax examinations by taxing authorities for the 2013 through 2015 tax years.

9

Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

(f) Capital Raised

In the second quarter of 2016, the Company completed a combined shareholder subscription rights offering and supplemental community offering, at an offering price of $21.50 per share, under its SEC shelf registration statement that expired in September 2016. The Company issued 930 thousand shares of common stock and received gross proceeds of $20.0 million ($19.7 million, net of offering costs). The Company contributed the net proceeds to the Bank to support future asset growth and for general corporate purposes.

(g) Recent Accounting Pronouncements

Accounting pronouncements adopted by the Company

In April 2015, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2015-03, Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs. The amendments in this ASU require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs are not affected by the amendments in this ASU. Entities are required to apply the new guidance on a retrospective basis, wherein the balance sheet of each individual period presented should be adjusted to reflect the period-specific effects of applying the new guidance. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments is permitted for financial statements that have not been previously issued. The Company early adopted this ASU as of January 1, 2015 in relation to the Company's Fixed-to-Floating Rate Subordinated Notes issued in January 2015. This adoption did not have a material impact on the Company's financial statements or results of operations.

In January 2015, the FASB issued ASU No. 2015-01, "Income Statement-Extraordinary and Unusual Items (Subtopic 225-20): Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items." This ASU will align more closely GAAP income statement presentation guidance with International Audit Standards (IAS) 1, Presentation of Financial Statements, which prohibits the presentation and disclosure of extraordinary items. The amendments in this update are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. The adoption of this standard did not have an impact on the Company's financial statements. 

Accounting pronouncements not yet adopted by the Company

In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)". This ASU is intended to create a single source of revenue guidance which is more principles based than current revenue guidance. The guidance affects any entity that either enters into contracts with customers to transfer goods or services, or enters into contracts for the transfer of non-financial assets, unless those contracts are within the scope of other standards. In August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date" to amend the effective date of ASU 2014-09. The amendments in ASU 2014-09 are effective for annual and interim periods within fiscal years beginning after December 15, 2017. Earlier adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The FASB has since issued additional related ASUs amendments intended to clarify certain aspects and improve understanding of the implementation guidance of Topic 606 but do not change the core principles of the guidance in Topic 606. The effective date and transition requirements for the amendments are the same as the effective date and transition requirements of Topic 606. The Company is currently evaluating the potential impact of the ASU and its amendments on the Company's financial statements and results of operations.

In January 2016, the FASB issued ASU No. 2016-01, "Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities," which updates certain aspects of recognition, measurement, presentation and disclosure of financial instruments.

Among other things, the new guidance:

• Requires 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;

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

10

Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

• Requires 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.

The new guidance is effective for public companies for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the effects of this ASU on the Company's financial statements and results of operations.

In February 2016, the FASB issued ASU No. 2016-02, "Leases (Topic 842)," which supersedes previous leasing guidance in Topic 840, Leases. Under the new guidance, lessees are required to recognize lease assets and lease liabilities on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. The Company is currently evaluating the effects of this ASU on the Company's financial statements and results of operations.

In March 2016, the FASB issued ASU No. 2016-09, "Compensation - Stock Compensation (Topic 718): Improvement to Employee Share-Based Payment Accounting." The amendments are intended to improve the accounting for employee share-based payments and affect all organizations that issue share-based payment awards to their employees. Several aspects of the accounting are simplified including, generally: a) income tax consequences; b) classification of awards as either equity or liabilities; c) accounting for forfeitures; and d) classification on the statement of cash flows. Among the changes, the amendment allows for entities to partially settle awards in cash up to the maximum individual statutory tax rate in the applicable jurisdiction and still qualify for equity classification; all excess tax benefits and tax deficiencies (including tax benefits of dividends on share-based payment awards) will be recognized as income tax expense or benefit in the income statement; in addition, an entity can make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest (current GAAP) or account for forfeitures when they occur; among other changes. The new standard is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The Company is currently evaluating the potential impact of the ASU on the Company's financial statements and results of operations.

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326)." The amendments in this Update require a financial asset (or a group of financial assets) measured at amortized cost basis to be presented at the net amount expected to be collected. Previously, when credit losses were measured under GAAP, an entity generally only considered past events and current conditions in measuring the incurred loss and generally recognition of the full amount of credit losses was delayed until the loss was probable of occurring. The amendments in this Update eliminate the probable initial recognition threshold in current GAAP and, instead, reflect an entity’s current estimate of all expected credit losses.

The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. The income statement reflects the measurement of credit losses for newly recognized financial assets, as well as the expected increases or decreases of expected credit losses that have taken place during the period. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset.

Credit losses on available-for-sale debt securities should be measured in a manner similar to current GAAP. However, the amendments in this Update require that credit losses be presented as an allowance rather than as a write-down. Unlike current GAAP, the Update provides for reversals of credit losses in future period net income in situations where the estimate of loss declines.

An entity will apply the amendments in this Update through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective (that is, a modified-retrospective approach). For public business entities that are SEC filers, such as the Company, the amendments in this Update are effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The Company is currently evaluating the potential impact of the ASU on the Company's financial statements and results of operations.

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In August 2016, the FASB issued ASU 2016-15, "Statement of Cashflows - Classification of Certain Cash Receipts and Cash Payments. The amendments are intended to reduce diversity in practice related to the presentation of eight specific cashflow issues. For public business entities that are SEC filers, such as the Company, the amendments in this Update are effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Because this amendment primarily impacts the presentation and classification of information, the Company does not expect it to have a material impact on the Company's financial statements and results of operations.

(2)Investments

The amortized cost and carrying values of investment securities at the dates specified are summarized as follows:

	September 30, 2016
(Dollars in thousands)	Amortized cost		Unrealized gains		Unrealized losses		Fair Value
Federal agency obligations (1)	$	78,667	$	1,478	$	—	$	80,145
Residential federal agency MBS (1)	87,678		1,215		187		88,706
Commercial federal agency MBS(1)	43,801		907		29		44,679
Municipal securities	107,768		3,822		34		111,556
Corporate bonds	10,850		284		3		11,131
Certificates of deposits (2)	950		20		—		970
Total fixed income securities	329,714		7,726		253		337,187
Equity investments	9,962		2,065		150		11,877
Total available-for-sale securities, at fair value	$	339,676	$	9,791	$	403	$	349,064

	December 31, 2015
(Dollars in thousands)	Amortized cost		Unrealized gains		Unrealized losses		Fair Value
Federal agency obligations(1)	$	78,626	$	352	$	153	$	78,825
Residential federal agency MBS(1)	75,105		406		648		74,863
Commercial federal agency MBS(1)	23,908		—		363		23,545
Municipal securities	96,189		2,357		35		98,511
Corporate bonds	10,257		44		95		10,206
Certificates of deposits (2)	2,753		—		2		2,751
Total fixed income securities	286,838		3,159		1,296		288,701
Equity investments	10,043		1,966		352		11,657
Total available-for-sale securities, at fair value	$	296,881	$	5,125	$	1,648	$	300,358

__________________________________________

⁽¹⁾  These categories may include investments issued or guaranteed by government sponsored enterprises such as Fannie Mae ("FNMA"), Freddie Mac ("FHLMC"), Federal Farm Credit Bank ("FFCB"), or one of several Federal Home Loan Banks, as well as, investments guaranteed by Ginnie Mae ("GNMA"), a wholly-owned government entity. 

⁽²⁾  Certificates of deposits ("CDs") represent term deposits issued by banks that are subject to FDIC insurance and purchased on the open market.

Included in the residential federal agency MBS category were collateralized mortgage obligations (“CMOs”) totaling $33.9 million and $20.8 million at September 30, 2016 and December 31, 2015 respectively. All of the commercial MBS investments held by the Company were CMOs issued by U.S agencies.

At September 30, 2016, the equity portfolio consisted primarily of investments in a diversified group of mutual funds, with a portion of the portfolio (approximately 18%) invested in individual common stock of entities in the financial services industry.

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

Net unrealized appreciation and depreciation on investments available-for-sale, net of applicable income taxes, are reflected as a component of accumulated other comprehensive income (loss).

The net unrealized gain or loss in the Company's fixed income portfolio fluctuates as market interest rates rise and fall.  Due to the fixed rate nature of this portfolio, as market rates fall, the value of the portfolio rises, and as market rates rise, the value of the portfolio declines.  The unrealized gains or losses on fixed income investments will also decline as the securities approach maturity, or if the issuer is credit impaired. Unrealized gains or losses will be recognized in the statements of income if the securities are sold. However, if an unrealized loss on a fixed income investment is deemed to be other than temporary, the credit loss portion is charged to earnings and the noncredit portion is recognized in accumulated other comprehensive income.

The net unrealized gain or loss on equity securities will fluctuate based on changes in the market value of the mutual funds and individual securities held in the portfolio.  Unrealized gains or losses will be recognized in the statements of income if the securities are sold. However, if an unrealized loss on an equity security is deemed to be other than temporary prior to a sale, the loss is charged to earnings.

The following tables summarize investments having temporary impairment, due to the fair market values having declined below the amortized costs of the individual investments, and the period that the investments have been temporarily impaired at September 30, 2016 and December 31, 2015.

	September 30, 2016
	Less than 12 months				12 months or longer				Total
(Dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		# of holdings
Federal agency obligations	$	—	$	—	$	—	$	—	$	—	$	—	—
Residential federal agency MBS	17,008		106		8,650		81		25,658		187		9
Commercial federal agency MBS	9,305		29		—		—		9,305		29		4
Municipal securities	3,720		34		—		—		3,720		34		6
Corporate bonds	637		2		109		1		746		3		4
Certificates of deposit	—		—		—		—		—		—		—
Equity investments	—		—		2,826		150		2,826		150		3
Total temporarily impaired investments	$	30,670	$	171	$	11,585	$	232	$	42,255	$	403	26

	December 31, 2015
	Less than 12 months				12 months or longer				Total
(Dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		# of holdings
Federal agency obligations	$	27,420	$	153	$	—	$	—	$	27,420	$	153	8
Residential federal agency MBS	20,517		275		10,935		373		31,452		648		14
Commercial federal agency MBS	23,545		363		—		—		23,545		363		9
Municipal securities	6,988		33		261		2		7,249		35		13
Corporate bonds	4,574		78		419		17		4,993		95		37
Certificates of deposit	1,976		2		—		—		1,976		2		10
Equity investments	4,204		351		24		1		4,228		352		5
Total temporarily impaired investments	$	89,224	$	1,255	$	11,639	$	393	$	100,863	$	1,648	96

Management regularly reviews the portfolio for securities with unrealized losses that could be other-than-temporarily impaired.  During the nine months endedSeptember 30, 2016 and 2015, the Company did not record any fair value impairment charges on its investments. Management attributes these unrealized losses to increases in market yields compared to the yields at the time the investments were purchased by the Company and the impact of market value

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fluctuations on the equity portion of our portfolio. Management does not consider these investments to be other-than-temporarily impaired at September 30, 2016, because (1) the decline in market value is not attributable to credit quality for fixed income securities or a fundamental deterioration in the equity fund or issuers, and (2) the Company does not intend to, and it is more likely than not that it will not be required to, sell those investments prior to a market price recovery or maturity.  

In assessing the Company's investments in federal agency mortgage-backed securities and federal agency obligations, the contractual cash flows of these investments are guaranteed by the respective government sponsored enterprise (FHLMC, FNMA, FFCB, or FHLB) or wholly-owned government corporation (GNMA). Accordingly, it is expected that the securities would not be settled at a price less than the par value of the Company's investments. Management's assessment of other fixed income investments within the portfolio includes reviews of market pricing, ongoing credit quality evaluations, assessment of the investments' materiality, and duration of the investments' unrealized loss position. In addition, the Company utilizes an outside registered investment adviser to manage the corporate and municipal bond portfolios, within prescribed guidelines set by management, and to provide assistance in assessing the credit risk of those portfolios. At September 30, 2016, the Company's corporate and municipal bond portfolios did not contain any securities below investment grade, as reported by major credit rating agencies. For equities and funds, management's assessment includes the severity of the declines, whether it is unlikely that the security or fund will completely recover its unrealized loss within a reasonable time period and if the equity security or fund exhibits fundamental deterioration.

The contractual maturity distribution at September 30, 2016 of total fixed income investments was as follows:

(Dollars in thousands)	Amortized Cost		Fair Value
Due in one year or less	$	14,615	$	14,666
Due after one, but within five years	102,882		104,944
Due after five, but within ten years	98,651		101,813
Due after ten years	113,566		115,764
Total fixed income securities	$	329,714	$	337,187

Scheduled contractual maturities shown above may not reflect the actual maturities of the investments. The actual MBS/CMO cash flows likely will be faster than presented above due to prepayments and amortization. Similarly, included in the carrying value of fixed income investments above are callable securities, comprised of municipal securities and corporate bonds totaling $51.1 million, which can be redeemed by the issuer prior to the maturity presented above.  Management considers these factors when evaluating the interest rate risk in the Company's asset-liability management program.

From time to time, the Company may pledge securities as collateral for deposit account balances of municipal deposit customers, and for borrowing capacity with the FHLB and the Federal Reserve Bank of Boston (the "FRB").  The fair value of securities pledged as collateral for these purposes was $335.0 million at September 30, 2016.

Sales of investments, including pending trades, for the three and nine months ended September 30, 2016 and September 30, 2015 are summarized as follows:

	Three months ended September 30,				Nine months ended September 30,
(Dollars in thousands)	2016		2015		2016		2015
Amortized cost of investments sold	$	2,354	$	1,456	$	4,118	$	12,314
Gross realized gains on sales	546		7		611		1,522
Gross realized losses on sales	—		—		—		(159		)
Total proceeds from sales of investments	$	2,900	$	1,463	$	4,729	$	13,677

See Note 11, "Fair Value Measurements," below for further information regarding the Company's fair value measurements for available-for-sale securities.

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(3) Loans

The Company specializes in lending to business entities, non-profit organizations, professionals and individuals. The Company's primary lending focus is on the development of high quality commercial relationships achieved through active business development efforts, long-term relationships with established commercial developers, strong community involvement and focused marketing strategies.  Loans made to businesses include commercial mortgage loans, construction and land development loans, secured and unsecured commercial loans and lines of credit, and standby letters of credit.  The Company also originates equipment lease financing for businesses. Loans made to individuals include conventional residential mortgage loans, home equity loans and lines, residential construction loans on primary and secondary residences, and secured and unsecured personal loans and lines of credit. The Company manages its loan portfolio to avoid concentration by industry and loan size to lessen its credit risk exposure.

See Note 4, "Allowance for Loan Losses," for information on the Company's credit risk management, non-accrual, impaired and troubled debt restructured loans and the allowance for loan losses.

Major classifications of loans at the periods indicated were as follows:

(Dollars in thousands)	September 30, 2016			December 31, 2015
Commercial real estate	$	1,008,362		$	936,921
Commercial and industrial	490,590			458,553
Commercial construction	215,432			202,993
Total commercial loans	1,714,384			1,598,467
Residential mortgages	172,556			169,188
Home equity loans and lines	90,116			83,373
Consumer	10,634			10,747
Total retail loans	273,306			263,308
Gross loans	1,987,690			1,861,775
Deferred loan origination fees, net	(1,836		)	(1,813		)
Total loans	1,985,854			1,859,962
Allowance for loan losses	(31,589		)	(29,008		)
Net loans	$	1,954,265		$	1,830,954

Loan Categories

- Commercial loans:

Commercial real estate loans include loans secured by both owner-use and non-owner occupied real estate.  These loans are typically secured by a variety of commercial and industrial property types, including one-to-four and multi-family apartment buildings, office, industrial or mixed-use facilities, strip shopping centers, or other commercial properties, and are generally guaranteed by the principals of the borrower. Commercial real estate loans generally have repayment periods of approximately fifteen to twenty-five years.  Variable interest rate loans have a variety of adjustment terms and underlying interest rate indices, and are generally fixed for an initial period before periodic rate adjustments begin.

Commercial and industrial loans include seasonal revolving lines of credit, working capital loans, equipment financing (including equipment leases), and term loans.  Also included in commercial and industrial loans are loans partially guaranteed by the U.S. Small Business Administration ("SBA"), and loans under various programs and agencies.  Commercial and industrial credits may be unsecured loans and lines to financially strong borrowers, loans secured in whole or in part by real estate unrelated to the principal purpose of the loan or secured by inventories, equipment, or receivables, and are generally guaranteed by the principals of the borrower.  Variable rate loans and lines in this portfolio have interest rates that are periodically adjusted, with loans generally having fixed initial periods.  Commercial and industrial loans have average repayment periods of one to seven years.

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

Commercial construction loans include the development of residential housing and condominium projects, the development of commercial and industrial use property, and loans for the purchase and improvement of raw land.  These loans are secured in whole or in part by underlying real estate collateral and are generally guaranteed by the principals of the borrowers.  Construction lenders work to cultivate long-term relationships with established commercial developers. The Company limits the amount of financing provided to any single developer for the construction of properties built on a speculative basis.  Funds for construction projects are disbursed as pre-specified stages of construction are completed.  Regular site inspections are performed, prior to advancing additional funds, at each construction phase, either by experienced construction lenders on staff or by independent outside inspection companies.  Commercial construction loans generally are variable rate loans and lines with interest rates that are periodically adjusted and generally have terms of one to three years.

From time to time, the Company participates with other banks in the financing of certain commercial projects.  Participating loans with other institutions provide banks the opportunity to retain customer relationships and reduce credit risk exposure among each participating bank, while providing customers with larger credit vehicles than the individual bank might be willing or able to offer independently. In some cases, the Company may act as the lead lender, originating and servicing the loans, but participating out a portion of the funding to other banks.  In other cases, the Company may participate in loans originated by other institutions. In each case, the participating bank funds a percentage of the loan commitment and takes on the related pro-rata risk.  In each case in which the Company participates in a loan, the rights and obligations of each participating bank are divided proportionately among the participating banks in an amount equal to their share of ownership and with equal priority among all banks.  The balances participated out to other institutions are not carried as assets on the Company's financial statements.  Loans originated by other banks in which the Company is a participating institution are carried in the loan portfolio at the Company's pro rata share of ownership.  The Company performs an independent credit analysis of each commitment and a review of the participating institution prior to participation in the loan.  Loans originated by other banks in which the Company is a participating institution amounted to $86.8 million at September 30, 2016 and $62.3 million at December 31, 2015.

Standby letters of credit are conditional commitments issued by the Company to guarantee the financial obligation or performance of a customer to a third party.  The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.  If the letter of credit is drawn upon, a loan is created for the customer, generally a commercial loan, with the same criteria associated with similar commercial loans.

- Residential loans:

Enterprise originates conventional mortgage loans on one-to-four family residential properties.  These properties may serve as the borrower's primary residence, or be vacation homes or investment properties.  Loan to value limits vary, generally from 75% for multi-family, owner-occupied properties, up to 97% for single family, owner-occupied properties, with mortgage insurance coverage required for loan-to-value ratios greater than 80% based on program parameters.  In addition, financing is provided for the construction of owner-occupied primary and secondary residences.  Residential mortgage loans may have terms of up to 30 years at either fixed or adjustable rates of interest.  Fixed and adjustable rate residential mortgage loans are generally originated using secondary market underwriting and documentation standards.

Depending on the current interest rate environment, management projections of future interest rates and the overall asset-liability management program of the Company, management may elect to sell those fixed and adjustable rate residential mortgage loans which are eligible for sale in the secondary market, or hold some or all of this residential loan production for the Company's portfolio.  Mortgage loans are generally not pooled for sale, but instead sold on an individual basis. The Company may retain or sell the servicing when selling the loans.  Loans sold are subject to standard secondary market underwriting and eligibility representations and warranties over the life of the loan and are subject to an early payment default period covering the first four payments for certain loan sales. Loans classified as held for sale are carried as a separate line item on the balance sheet.

- Home equity loans and lines of credit:

Home equity term loans are originated for one-to-four family residential properties with maximum original loan to value ratios generally up to 80% of the assessed or appraised value of the property securing the loan.  Home equity loan payments consist of monthly principal and interest based on amortization ranging from three to fifteen years.  The rates may also be fixed for three to fifteen years.

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The Company originates home equity revolving lines of credit for one-to-four family residential properties with maximum original loan to value ratios generally up to 80% of the appraised value of the property securing the loan.  Home equity lines generally have interest rates that adjust monthly based on changes in the Prime Rate, although minimum rates may be applicable.  Some home equity line rates may be fixed for a period of time and then adjusted monthly thereafter. The payment schedule for home equity lines requires interest only payments for the first ten years of the lines. Generally at the end of ten years, the line may be frozen to future advances, and principal plus interest payments are collected over a fifteen-year amortization schedule or, for eligible borrowers meeting certain requirements, the line availability may be extended for an additional interest only period.

- Consumer loans:

Consumer loans consist primarily of secured or unsecured personal loans, loans under energy efficiency financing programs in conjunction with Massachusetts public utilities, and overdraft protection lines on checking accounts extended to individual customers. The aggregate amount of overdrawn deposit accounts are reclassified as loan balances.

Loans serviced for others

At September 30, 2016 and December 31, 2015, the Company was servicing residential mortgage loans owned by investors amounting to $18.4 million and $18.5 million, respectively.  Additionally, the Company was servicing commercial loans participated out to various other institutions amounting to $62.4 million and $52.7 million at September 30, 2016 and December 31, 2015, respectively. See the discussion above for further information regarding commercial participations.

Loans serving as collateral

Loans designated as qualified collateral and pledged to the FHLB for borrowing capacity are summarized below:

(Dollars in thousands)	September 30, 2016		December 31, 2015
Commercial real estate	$	263,718	$	281,802
Residential mortgages	122,635		118,855
Home equity	13,309		13,972
Total loans pledged to FHLB	$	399,662	$	414,629

(4) Allowance for Loan Losses

Inherent in the lending process is the risk of loss due to customer non-payment, or "credit risk." The Company seeks to lessen its credit risk exposure by managing its loan portfolio to avoid concentration by industry and loan size, and through sound underwriting practices and the risk management function; however, management recognizes that loan losses will occur and that the amount of these losses will fluctuate depending on the risk characteristics of the loan portfolio and economic conditions.

The allowance for loan losses is an estimate of probable credit risk inherent in the loan portfolio as of the specified balance sheet dates. The Company maintains the allowance at a level that it deems adequate to absorb all reasonably anticipated probable losses from specifically known and other credit risks associated with the portfolio. In making its assessment on the adequacy of the allowance, management considers several quantitative and qualitative factors that could have an effect on the credit quality of the portfolio, including individual assessment of larger and high risk credits, delinquency trends and the level of non-performing loans, impaired, adversely classified, and restructured loans, net charge-offs, the growth and composition of the loan portfolio, expansion in the geographic market area, the experience level of lenders and changes in underwriting criteria, and the strength of the local and national economies, among other factors. However, despite prudent loan underwriting and ongoing credit risk management, adverse changes within the Company's market area or deterioration in the local, regional or national economic conditions could negatively impact the portfolio's credit risk profile and the Company's asset quality in the future.

There have been no material changes to the Company's underwriting practices, credit risk management system, or to the allowance assessment methodology used to estimate loan loss exposure as reported in the 2015 Annual Report on Form 10-K.  Refer to heading "Allowance for probable loan losses methodology" contained in Note 4 "Allowance For Loan Losses," to the

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

Company's consolidated financial statements contained in the 2015 Annual Report on Form 10-K for further discussion of management's methodology used to estimate the loan loss exposure inherent in the portfolio for purposes of establishing a sufficient allowance.

Allowance for probable loan losses methodology

On a quarterly basis, management prepares an estimate of the allowance necessary to cover estimated probable credit losses.  The Company uses a systematic methodology to measure the amount of estimated loan loss exposure inherent in the portfolio for purposes of establishing a sufficient allowance for loan losses. The methodology makes use of specific reserves for loans individually evaluated and deemed impaired, and general reserves for larger groups of homogeneous loans, which are collectively evaluated relying on a combination of qualitative and quantitative factors that may affect credit quality of the pool.

The balances of loans as of September 30, 2016 by segment and evaluation method are summarized as follows: 

(Dollars in thousands)	Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Gross Loans
Commercial real estate	$	14,533	$	993,829	$	1,008,362
Commercial and industrial	10,343		480,247		490,590
Commercial construction	3,059		212,373		215,432
Residential mortgages	297		172,259		172,556
Home equity loans and lines	499		89,617		90,116
Consumer	3		10,631		10,634
Total gross loans	$	28,734	$	1,958,956	$	1,987,690

The balances of loans as of December 31, 2015 by segment and evaluation method are summarized as follows:

(Dollars in thousands)	Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Gross Loans
Commercial real estate	$	12,287	$	924,634	$	936,921
Commercial and industrial	7,810		450,743		458,553
Commercial construction	3,032		199,961		202,993
Residential mortgages	366		168,822		169,188
Home equity loans and lines	169		83,204		83,373
Consumer	24		10,723		10,747
Total gross loans	$	23,688	$	1,838,087	$	1,861,775

Credit quality indicators

Early detection of credit issues is critical to minimize credit losses. Accordingly, management regularly monitors internal credit quality indicators such as the risk classification of individual loans, adversely classified loans, past due and non-accrual loans, impaired and restructured loans, and the level of foreclosure activity, as well as trends in the general levels of these indicators. These credit quality indicators are discussed below.

Adversely classified loans

The Company's loan risk rating system classifies loans depending on risk of loss characteristics.  The classifications range from "substantially risk free" for the highest quality loans and loans that are secured by cash collateral, through a satisfactory range of "minimal," "moderate," "better than average," and "average" risk, to the regulatory problem-asset classifications of "criticized," for loans that may need additional monitoring, and the more severe adverse classifications of "substandard," "doubtful," and "loss" based on criteria established under banking regulations.

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

Loans classified as substandard include those loans characterized by the distinct possibility that the Company will sustain some loss if deficiencies are not corrected.  These loans are inadequately protected by the sound net worth and paying capacity of the borrower; repayment has become increasingly reliant on collateral liquidation or reliance on guarantees; credit weaknesses are well-defined; and borrower cash flow is insufficient to meet required debt service specified in loan terms and to meet other obligations, such as trade debt and tax payments.

Loans classified as doubtful have all the weaknesses inherent in a substandard rated loan with the added characteristic that the weaknesses make collection or full payment from liquidation, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.  The probability of loss is extremely high, but because of certain important and reasonably specific pending factors which may work to the advantage and strengthening of the loan, its classification as an estimated loss is deferred until more exact status may be determined.

Loans classified as loss are generally considered uncollectible at present, although long-term recovery of part or all of loan proceeds may be possible.  These "loss" loans would require a specific loss reserve or charge-off.

Adversely classified loans may be accruing or in non-accrual status and may be additionally designated as impaired or restructured, or some combination thereof.  Loans which are evaluated to be of weaker credit quality are reviewed on a more frequent basis by management.

The following tables present the Company's credit risk profile for each class of loan in its portfolio by internally assigned risk rating category at the periods indicated. 

	September 30, 2016
	Adversely Classified						Not Adversely
(Dollars in thousands)	Substandard		Doubtful		Loss		Classified		Gross Loans
Commercial real estate	$	16,280	$	—	$	—	$	992,082	$	1,008,362
Commercial and industrial	13,044		182		2		477,362		490,590
Commercial construction	1,636		—		—		213,796		215,432
Residential mortgages	1,190		—		—		171,366		172,556
Home equity loans and lines	658		—		—		89,458		90,116
Consumer	31		—		—		10,603		10,634
Total gross loans	$	32,839	$	182	$	2	$	1,954,667	$	1,987,690

	December 31, 2015
	Adversely Classified						Not Adversely
(Dollars in thousands)	Substandard		Doubtful		Loss		Classified		Gross Loans
Commercial real estate	$	12,487	$	—	$	—	$	924,434	$	936,921
Commercial and industrial	8,670		—		3		449,880		458,553
Commercial construction	1,776		—		—		201,217		202,993
Residential mortgages	1,278		—		—		167,910		169,188
Home equity loans and lines	503		—		5		82,865		83,373
Consumer	38		11		—		10,698		10,747
Total gross loans	$	24,752	$	11	$	8	$	1,837,004	$	1,861,775

Total adversely classified loans amounted to 1.66% of total loans at September 30, 2016, as compared to 1.33% at December 31, 2015. At September 30, 2016, as compared to December 31, 2015, adversely classified balances increased, due primarily to four larger commercial relationships downgraded during the period with a net aggregate carrying value of approximately $17.5 million, partially offset by payoffs, credit upgrades and principal payments. Although some weaknesses had been identified necessitating the downgrades, these loans continued to perform in accordance with their original terms.

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

Past due and non-accrual loans

Loans on which the accrual of interest has been discontinued are designated as non-accrual and the classified portions are credit downgraded to one of the adversely classified categories noted above.  Accrual of interest on loans is generally discontinued when a loan becomes contractually past due, with respect to interest or principal, by 90 days, or when reasonable doubt exists as to the full and timely collection of interest or principal. When a loan is placed on non-accrual status, all interest previously accrued but not collected is reversed against current period interest income. Interest payments received on loans in a non-accrual status are generally applied to principal on the books of the Company. Interest accruals are resumed on such loans only when payments are brought current and have remained current for a period of 180 days and when, in the judgment of management, the collectability of both principal and interest is reasonably assured. Additionally, deposit accounts overdrawn for 90 or more days are included in the consumer non-accrual balances below.

 The following tables present an age analysis of past due loans as of the dates indicated. 

	Balance at September 30, 2016
(Dollars in thousands)	Loans 30-59 Days Past Due		Loans 60-89 Days Past Due		Loans Past Due 90 days or more		Total Past Due Loans		Current Loans		Gross Loans		Non-accrual Loans
Commercial real estate	$	5,030	$	822	$	1,319	$	7,171	$	1,001,191	$	1,008,362	$	5,639
Commercial and industrial	198		385		1,236		1,819		488,771		490,590		3,128
Commercial construction	2,866		—		—		2,866		212,566		215,432		209
Residential mortgages	1,552		—		103		1,655		170,901		172,556		297
Home equity loans and lines	680		60		296		1,036		89,080		90,116		607
Consumer	106		4		8		118		10,516		10,634		8
Total gross loans	$	10,432	$	1,271	$	2,962	$	14,665	$	1,973,025	$	1,987,690	$	9,888

	Balance at December 31, 2015
(Dollars in thousands)	Loans 30-59 Days Past Due		Loans 60-89 Days Past Due		Loans Past Due 90 days or more		Total Past Due Loans		Current Loans		Gross Loans		Non-accrual Loans
Commercial real estate	$	1,641	$	1,532	$	3,256	$	6,429	$	930,492	$	936,921	$	8,506
Commercial and industrial	1,332		693		2,125		4,150		454,403		458,553		4,323
Commercial construction	581		—		7		588		202,405		202,993		335
Residential mortgages	354		280		57		691		168,497		169,188		366
Home equity loans and lines	634		9		73		716		82,657		83,373		288
Consumer	36		15		7		58		10,689		10,747		27
Total gross loans	$	4,578	$	2,529	$	5,525	$	12,632	$	1,849,143	$	1,861,775	$	13,845

The past due figures above may include those loans that have also been designated as non-accrual despite their payment due status. At September 30, 2016 and December 31, 2015, all loans 90 days or more past due were carried as non-accrual. Non-accrual loans that were not adversely classified amounted to $254 thousand at September 30, 2016 and $402 thousand at December 31, 2015. These balances primarily represented the guaranteed portions of non-performing SBA loans. The majority of the non-accrual loan balances were also carried as impaired loans during the periods noted, and are discussed further below. The increase in loans 30-59 days past due category occurred primarily within the commercial real estate and

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

commercial construction portfolios at September 30, 2016 , with the majority of these loans having subsequent payments made by mid-October.

The ratio of non-accrual loans to total loans amounted to 0.50% at September 30, 2016, 0.74% at December 31, 2015, and 0.81% at September 30, 2015. Non-accrual loan balances decreased due primarily to several larger commercial loan payoffs and principal payments, partially offset by additional loans added to non-accrual status during the period.

The Company's obligation to fulfill the additional funding commitments on non-accrual loans is generally contingent on the borrower's compliance with the terms of the credit agreement. If the borrower is not in compliance, additional funding commitments may or may not be made at the Company's discretion. At September 30, 2016 additional funding commitments for non-accrual loans was not material.

Impaired loans

Impaired loans are individually significant loans for which management considers it probable that not all amounts due (principal and interest) in accordance with the original contractual terms will be collected.  The majority of impaired loans are included within the non-accrual balances; however, not every loan on non-accrual status has been designated as impaired.  Impaired loans include loans that have been modified in a troubled debt restructuring (or "TDR," see below).  Impaired loans exclude large groups of smaller-balance homogeneous loans, such as residential mortgage loans and consumer loans, which are collectively evaluated for impairment, and loans that are measured at fair value, unless the loan is amended in a TDR. 

Management does not set any minimum delay of payments as a factor in reviewing for impaired classification.  Management considers the individual payment status, net worth and earnings potential of the borrower, and the value and cash flow of the collateral as factors to determine if a loan will be paid in accordance with its contractual terms. An impaired or TDR loan classification will be considered for upgrade based on the borrower's sustained performance over time and their improving financial condition. Consistent with the criteria for returning non-accrual loans to accrual status, the borrower must demonstrate the ability to continue to service the loan in accordance with the original or modified terms and, in the judgment of management, the collectability of the remaining balances, both principal and interest, are reasonably assured. In the case of TDR loans having had a modified interest rate, that rate must be at, or greater than, a market rate for a similar credit at the time of modification for an upgrade to be considered.

Impaired loans are individually evaluated for credit loss and a specific allowance reserve is assigned for the amount of the estimated probable credit loss.  Refer to heading "Allowance for probable loan losses methodology" contained in Note 4 "Allowance For Loan Losses," to the Company's consolidated financial statements contained in the 2015 Annual Report on Form 10-K for further discussion of management's methodology used to estimate specific reserves for impaired loans.

The carrying value of impaired loans amounted to $28.7 million and $23.7 million at September 30, 2016 and December 31, 2015, respectively.  Total accruing impaired loans amounted to $19.0 million and $10.1 million at September 30, 2016 and December 31, 2015, respectively, while non-accrual impaired loans amounted to $9.7 million and $13.6 million as of September 30, 2016 and December 31, 2015, respectively.  In the current period, among other downgrades to impaired status, the credit rating of one larger commercial relationship (having both commercial real estate and commercial & industrial components) with a net carrying value of approximately $7.8 million was downgraded to an adverse risk rating and also designated as accruing-impaired based on a review of the individual business circumstances. These downgrades were partially offset by principal pay-downs, credit upgrades, and charge-offs during the period.

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

The following tables set forth the recorded investment in impaired loans and the related specific allowance allocated as of the dates indicated.

	Balance at September 30, 2016
(Dollars in thousands)	Unpaid contractual principal balance		Total recorded investment in impaired loans		Recorded investment with no allowance		Recorded investment with allowance		Related specific allowance
Commercial real estate	$	16,332	$	14,533	$	12,568	$	1,965	$	518
Commercial and industrial	11,150		10,343		7,752		2,591		975
Commercial construction	3,098		3,059		1,632		1,427		473
Residential mortgages	391		297		297		—		—
Home equity loans and lines	646		499		499		—		—
Consumer	3		3		—		3		2
Total	$	31,620	$	28,734	$	22,748	$	5,986	$	1,968

	Balance at December 31, 2015
(Dollars in thousands)	Unpaid contractual principal  balance		Total recorded investment in impaired loans		Recorded investment with no allowance		Recorded investment with allowance		Related specific allowance
Commercial real estate	$	14,903	$	12,287	$	11,734	$	553	$	186
Commercial and industrial	9,816		7,810		5,253		2,557		1,078
Commercial construction	3,147		3,032		1,583		1,449		499
Residential mortgages	453		366		366		—		—
Home equity loans and lines	308		169		164		5		5
Consumer	25		24		—		24		24
Total	$	28,652	$	23,688	$	19,100	$	4,588	$	1,792

The following table presents the average recorded investment in impaired loans and the related interest recognized during the three months indicated:

	Three Months Ended September 30, 2016					Three Months Ended September 30, 2015
(Dollars in thousands)	Average recorded investment		Interest income recognized			Average recorded investment		Interest income recognized
Commercial real estate	$	14,828	$	107		$	13,360	$	56
Commercial and industrial	9,889		69			8,567		16
Commercial construction	3,113		39			1,834		17
Residential mortgages	300		—			440		—
Home equity loans and lines	368		(2		)	174		1
Consumer	13		1			47		—
Total	$	28,511	$	214		$	24,422	$	90

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

The following table presents the average recorded investment in impaired loans and the related interest recognized during the nine month periods indicated:

	Nine Months Ended September 30, 2016					Nine Months Ended September 30, 2015
(Dollars in thousands)	Average recorded investment		Interest income recognized			Average recorded investment		Interest income recognized
Commercial real estate	$	12,399	$	214		$	14,277	$	153
Commercial and industrial	8,801		134			9,881		74
Commercial construction	3,059		113			2,142		59
Residential mortgages	304		—			449		—
Home equity loans and lines	307		(4		)	177		2
Consumer	18		1			48		—
Total	$	24,888	$	458		$	26,974	$	288

At September 30, 2016, additional funding commitments for impaired loans totaled $394 thousand. The Company's obligation to fulfill the additional funding commitments on impaired loans is generally contingent on the borrower's compliance with the terms of the credit agreement. If the borrower is not in compliance, additional funding commitments may or may not be made at the Company's discretion.

Troubled debt restructurings

Loans are designated as a TDR when, as part of an agreement to modify the original contractual terms of the loan as a result of financial difficulties of the borrower, the Bank grants the borrower a concession on the terms, that would not otherwise be considered.  Typically, such concessions may consist of a reduction in interest rate to a below market rate, taking into account the credit quality of the note, extension of additional credit based on receipt of adequate collateral, or a deferment or reduction of payments (principal or interest) which materially alters the Bank's position or significantly extends the note's maturity date, such that the present value of cash flows to be received is materially less than those contractually established at the loan's origination. All loans that are modified are reviewed by the Company to identify if a TDR has occurred. TDR loans are included in the impaired loan category and, as such, these loans are individually evaluated and a specific reserve is assigned for the amount of the estimated probable credit loss. 

Total TDR loans, included in the impaired loan balances above, as of September 30, 2016 and December 31, 2015, were $24.1 million and $17.1 million, respectively. The increase in TDR loans was primarily due to the impaired commercial relationship noted above, with a net carrying value of approximately $7.8 million, also being designated as a TDR due to additional funding of $1.5 million after the pledge of additional collateral by the borrower. TDR loans on accrual status amounted to $18.9 million and $10.1 million at September 30, 2016 and December 31, 2015, respectively. TDR loans included in non-performing loans amounted to $5.2 million and $7.1 million at September 30, 2016 and December 31, 2015, respectively. The Company continues to work with commercial relationships and enters into loan modifications to the extent deemed to be necessary or appropriate while attempting to achieve the best mutual outcome given the individual financial circumstances and future prospects of the borrower.

At September 30, 2016, additional funding commitments for TDR loans totaled $394 thousand. The Company's obligation to fulfill the additional funding commitments on TDR loans is generally contingent on the borrower's compliance with the terms of the credit agreement. If the borrower is not in compliance, additional funding commitments may or may not be made at the Company's discretion.

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

The following tables present certain information regarding loan modifications classified as troubled debt restructurings.

Loans modified as troubled debt restructurings during the three-month period ended September 30, 2016 are detailed below. 

	Three months ended September 30, 2016
(Dollars in thousands)	Number of restructurings	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment
Commercial real estate	3	$	532	$	2,026
Commercial and industrial	2	224		200
Commercial construction	—	—		—
Residential mortgages	—	—		—
Home equity loans and lines	—	—		—
Consumer	—	—		—
Total	5	$	756	$	2,226

Payment defaults, during the three-month period ended September 30, 2016, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Three months ended September 30, 2016
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	1	$	148
Commercial and industrial	—	—
Commercial construction	1	1,188
Residential mortgages	—	—
Home equity loans and lines	—	—
Consumer	—	—
Total	2	$	1,336

Loans modified as troubled debt restructurings during the nine months endedSeptember 30, 2016 are detailed below.

	Nine months ended September 30, 2016
(Dollars in thousands)	Number of restructurings	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment
Commercial real estate	7	$	5,624	$	7,016
Commercial and industrial	8	2,282		2,237
Commercial construction	—	—		—
Residential mortgages	—	—		—
Home equity loans and lines	—	—		—
Consumer	—	—		—
Total	15	$	7,906	$	9,253

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

Payment defaults, during the nine months endedSeptember 30, 2016, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Nine months ended September 30, 2016
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	1	$	148
Commercial and industrial	2	389
Commercial construction	1	1,188
Residential mortgages	—	—
Home equity loans and lines	—	—
Consumer	—	—
Total	4	$	1,725

There were no subsequent charge-offs associated with the TDRs noted in the table above during the nine months endedSeptember 30, 2016. At September 30, 2016, there were $204 thousand specific reserves allocated to the TDRs entered into during the 2016 period as management considered it likely that the unreserved principal will ultimately be collected. Interest payments received on non-accruing TDRs in the table above which were applied to principal and not recognized in interest income during the nine months endedSeptember 30, 2016 were not material.

There were no loans modified as troubled debt restructurings during the three month period ended September 30, 2015.

Payment defaults, during the three months endedSeptember 30, 2015, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Three months ended September 30, 2015
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	—	$	—
Commercial and industrial	2	679
Commercial construction	—	—
Residential	—	—
Home Equity	—	—
Consumer	—	—
Total	2	$	679

Loans modified as troubled debt restructurings during the nine month period ended September 30, 2015 are detailed below. 

	Nine months ended September 30, 2015
(Dollars in thousands)	Number of restructurings	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment
Commercial real estate	3	$	269	$	274
Commercial and industrial	4	869		823
Commercial construction	—	—		—
Residential mortgages	—	—		—
Home equity loans and lines	—	—		—
Consumer	1	4		3
Total	8	$	1,142	$	1,100

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

Payment defaults, during the nine month period ended September 30, 2015, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Nine months ended September 30, 2015
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	—	$	—
Commercial and industrial	2	679
Commercial construction	—	—
Residential	—	—
Home Equity	—	—
Consumer	—	—
Total	2	$	679

At September 30, 2015, there were specific reserves of $20 thousand allocated to the TDRs entered into during the 2015 period as management considered it likely that the unreserved principal would ultimately be collected. Interest payments received on non-accruing TDRs in the table above which were applied to principal and not recognized in interest income during the nine months ended amounted to $18 thousand.

There were no subsequent charge-offs associated with the TDRs noted in the table above during the nine months endedSeptember 30, 2015.

Other real estate owned ("OREO")

Real estate acquired by the Company through foreclosure proceedings or the acceptance of a deed in lieu of foreclosure is classified as OREO. When property is acquired, it is generally recorded at the lesser of the loan's remaining principal balance, net of any unamortized deferred fees, or the estimated fair value of the property acquired, less estimated costs to sell, establishing a new cost basis. The estimated fair value is based on market appraisals and the Company's internal analysis. Any loan balance in excess of the estimated realizable fair value on the date of transfer is charged to the allowance for loan losses on that date. All costs incurred thereafter in maintaining the property, as well as subsequent declines in fair value, are charged to non-interest expense.

The Company carried no OREO at either September 30, 2016 or December 31, 2015. There were no sales on OREO during the nine months endedSeptember 30, 2016; there were also no additions to OREO, or subsequent impairment write-downs during the period. During the nine months endedSeptember 30, 2015, the Company recorded $154 thousand of net gains on OREO sales; there were no subsequent write-downs of OREO during that period.

At September 30, 2016, the Company had consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process according to local requirements of the applicable jurisdictions totaling $325 thousand compared with none at December 31, 2015.

Allowance for loan loss activity

The allowance for loan losses is established through a provision for loan losses, a direct charge to earnings.  Loan losses are charged against the allowance when management believes that the collectability of the loan principal is unlikely.  Recoveries on loans previously charged-off are credited to the allowance.

The allowance for loan losses amounted to $31.6 million at September 30, 2016, compared to $29.0 million at December 31, 2015, and $28.1 million at September 30, 2015. For the nine months endedSeptember 30, 2016 and September 30, 2015, the provision for loan losses amounted to $2.5 million and $2.1 million, respectively. The increase in the provision for 2016 was due primarily to credit downgrades (partially offset by a lower level of charge-offs), and the higher level of loan growth during the 2016 period, as compared to the 2015 period as noted below.

In determining the provision to the allowance for loan losses, management takes into consideration the level of loan growth and an estimate of credit risk, which includes such items as adversely classified and non-performing loans, the estimated

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

specific reserves needed for impaired loans, the level of net charge-offs, and the estimated impact of current economic conditions on credit quality. Loan growth for the nine months endedSeptember 30, 2016 was $125.9 million compared to $118.0 million during the nine months endedSeptember 30, 2015. Total non-performing loans as a percentage of total loans declined to 0.50% at September 30, 2016, compared to 0.81% at September 30, 2015. The Company recorded net recoveries of $78 thousand for the nine months endedSeptember 30, 2016, compared to net charge-offs of $1.1 million for the nine months endedSeptember 30, 2015. The balance of the allowance for loan losses allocated to impaired and classified loans amounted to $4.1 million at September 30, 2016, compared to $3.2 million at September 30, 2015. During the current period. management downgraded the credit rating three larger commercial relationships to "criticized" or "adverse" risk ratings, based on a review of their individual business circumstances, requiring higher levels of reserves in the current period, which increased the provision and the allowance to total loan ratio compared to December 31, 2015; however, these loans continue to perform in accordance with their original terms.

The allowance for loan losses to total loans ratio was 1.59% at September 30, 2016, 1.56% at December 31, 2015 and 1.57% at September 30, 2015. As noted above, during the nine months endedSeptember 30, 2016, the credit ratings of three larger commercial relationships were downgraded to "criticized" or "adverse" risk-ratings, based on a review of their individual business circumstances, requiring higher levels of reserves in the current period which increased the allowance to total loan ratio compared to December 31, 2015.

Based on management's judgment as to the existing credit risks inherent in the loan portfolio, as discussed above under the heading "Credit Quality Indicators," management believes that the Company's allowance for loan losses is adequate to absorb probable losses from specifically known and other credit risks associated with the portfolio as of September 30, 2016.

Changes in the allowance for loan losses by portfolio segment for the three months endedSeptember 30, 2016 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial		Cmml Constr		Resid. Mortgage		Home Equity		Consumer		Total
Beginning Balance at June 30, 2016	$	14,514	$	9,913	$	4,056	$	1,085	$	552	$	225	$	30,345
Provision	581		761		22		17		4		1		1,386
Recoveries	—		28		—		—		—		1		29
Less: Charge offs	—		151		—		—		—		20		171
Ending Balance at September 30, 2016	$	15,095	$	10,551	$	4,078	$	1,102	$	556	$	207	$	31,589

Changes in the allowance for loan losses by segment for the nine months endedSeptember 30, 2016 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial		Cmml Constr		Resid. Mortgage		Home Equity		Consumer		Total
Beginning Balance at December 31, 2015	$	13,514	$	9,758	$	3,905	$	1,061	$	540	$	230	$	29,008
Provision	1,740		510		178		41		19		15		2,503
Recoveries	20		637		—		—		2		4		663
Less: Charge offs	179		354		5		—		5		42		585
Ending Balance at September 30, 2016	$	15,095	$	10,551	$	4,078	$	1,102	$	556	$	207	$	31,589
Ending allowance balance:
Allocated to loans individually evaluated for impairment	$	518	$	975	$	473	$	—	$	—	$	2	$	1,968
Allocated to loans collectively evaluated for impairment	$	14,577	$	9,576	$	3,605	$	1,102	$	556	$	205	$	29,621

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

Changes in the allowance for loan losses by segment for the three months endedSeptember 30, 2015 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial			Cmml Constr		Resid. Mortgage			Home Equity			Consumer		Total
Beginning Balance at June 30, 2015	$	12,864	$	10,022		$	3,447	$	1,022		$	575		$	232	$	28,162
Provision	435		(311		)	207		(50		)	(52		)	21		250
Recoveries	—		65			—		—			1			2		68
Less: Charge offs	108		232			—		—			—			10		350
Ending Balance at September 30, 2015	$	13,191	$	9,544		$	3,654	$	972		$	524		$	245	$	28,130

Changes in the allowance for loan losses by segment for the nine months endedSeptember 30, 2015 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial		Cmml Constr		Resid. Mortgage			Home Equity			Consumer		Total
Beginning Balance at December 31, 2014	$	12,664	$	9,245	$	3,384	$	989		$	608		$	231	$	27,121
Provision	630		1,268		245		(17		)	(99		)	73		2,100
Recoveries	5		232		25		—			15			14		291
Less: Charge offs	108		1,201		—		—			—			73		1,382
Ending Balance at September 30, 2015	$	13,191	$	9,544	$	3,654	$	972		$	524		$	245	$	28,130
Ending allowance balance:
Allocated to loans individually evaluated for impairment	$	160	$	1,265	$	516	$	—		$	—		$	44	$	1,985
Allocated to loans collectively evaluated for impairment	$	13,031	$	8,279	$	3,138	$	972		$	524		$	201	$	26,145

(5) Deposits

Deposits are summarized as follows:

(Dollars in thousands)	September 30, 2016		December 31, 2015
Non-interest bearing demand deposits	$	645,907	$	570,589
Interest bearing checking	346,957		313,674
Savings	181,653		167,304
Money market	815,861		692,114
Certificates of deposit $250,000 or less	127,520		129,993
Certificates of deposit more than $250,000	44,371		37,704
Total non-brokered deposits (1)	2,162,269		1,911,378
Brokered deposits (2)	59,340		106,770
Total deposits	$	2,221,609	$	2,018,148

__________________________________________

⁽¹⁾    Includes reciprocal money market deposits and CDs received from participating banks in nationwide networks as a result of our customers electing to participate in programs to obtain full FDIC insurance. Essentially, the equivalent of the original deposit comes back to the Company as non-brokered deposits within the appropriate category under total deposits on the balance sheet.

⁽²⁾  Primarily brokered CDs $250,000 and under.

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

(6) Borrowed Funds and Subordinated Debt

Borrowed funds amounted to $671 thousand at September 30, 2016, compared to $53.7 million at December 31, 2015. At September 30, 2016 borrowed funds consisted of FHLB borrowings only. At December 31, 2015, the borrowed funds balance was comprised of FHLB borrowings of $40.7 million and an overnight borrowing with a correspondent bank, totaling $13.0 million.

The Company also carried subordinated debt of $14.8 million at both September 30, 2016 and December 31, 2015, which consisted of $15.0 million in aggregate principal amount of Fixed-to-Floating Rate Subordinated Notes (the "Notes"), issued in January 2015, in a private placement to an accredited investor. The Notes, which are intended to qualify as Tier 2 capital for regulatory purposes, mature on January 30, 2030 (the "Maturity Date") and are callable by the Company, subject to regulatory approval, at a premium beginning January 30, 2020, and at par beginning January 30, 2025. The Notes pay interest at a fixed rate of 6.00% per annum through January 30, 2025, and beginning on January 31, 2025 through the Maturity Date, or any early redemption date, the interest rate on the Notes will adjust monthly at an interest rate of 3.90% plus 30-day LIBOR. Original note issuance costs were $190 thousand and have been netted against the subordinated debt on the balance sheet in accordance with accounting guidance that the Company adopted in the first quarter of 2015. These costs are being amortized over the life of the Notes.

In March 2015, the Company used the net proceeds from the issuance of the Notes to pay off $10.8 million of outstanding Junior Subordinated debentures that originated in 2000, from the sale of trust preferred securities by Enterprise Capital Trust (the "Trust"), a former subsidiary of the Company. The pay down of this debt allowed the trust preferred securities to be redeemed in full and the Trust to subsequently be dissolved in April 2015.

(7) Derivatives and Hedging Activities

Interest rate lock commitments related to the origination of mortgage loans that will be sold are considered derivative instruments.  The commitments to sell loans are also considered derivative instruments. The Company generally does not pool mortgage loans for sale, but instead, sells the loans on an individual basis. To reduce the net interest rate exposure arising from its loan sale activity, the Company enters into the commitment to sell these loans at essentially the same time that the interest rate lock commitment is quoted on the origination of the loan. The Company estimates the fair value of these derivatives based on current secondary mortgage market prices. At September 30, 2016 and 2015, the estimated fair values of these derivative instruments were considered to be immaterial.

Beginning in the fourth quarter of 2015, the Company implemented a “Back-to-Back Swap” program whereby the Bank enters into an interest rate swap with a qualified commercial banking customer and simultaneously enters into an equal and opposite interest rate swap with a counterparty. The customer interest rate swap agreement allows commercial banking customers to convert a floating-rate loan payment to fixed-rate loan payment. The transaction structure effectively minimizes the Bank’s net risk exposure resulting from such transactions. Customer related credit risk is minimized by the cross collateralization of the loan and the interest rate swap agreement.

Back-to-Back Swaps are not speculative but rather, result from a service the Company provides to certain customers. Back-to-Back Swaps do not meet hedge accounting requirements and therefore changes in the fair value of both the customer swaps and the counterparty swaps, which have an inverse equal relationship, are recognized directly in earnings. As such, there was no net gain or loss recognized in income on Back-to-Back Swaps during the three months endedSeptember 30, 2016.

The Company had four interest-rate swaps at September 30, 2016 with an aggregate notional amount of $26.8 million compared to two interest-rate swaps with an aggregate notional amount of $10.1 million at December 31, 2015.

Asset derivatives and liability derivatives are included in prepaid expenses and other assets and accrued expenses and other liabilities on the consolidated balance sheets, respectively.

The table below presents the fair value and classification of the Company’s derivative financial instruments for the periods presented:

	As of September 30, 2016				As of December 31, 2015
(Dollars in thousands)	Asset Derivatives		Liability Derivatives		Asset Derivatives		Liability Derivatives
Back-to-Back Swaps	$	318	$	318	$	16	$	16

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By using derivative financial instruments, the Company exposes itself to counterparty credit risk. Credit risk is the risk of failure by the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is positive, the counterparty owes the Company, which creates credit risk for the Company. When the fair value of a derivative is negative, the Company owes the counterparty and, therefore, it does not possess credit risk. The credit risk in derivative instruments is mitigated by entering into transactions with highly-rated counterparties that management believes to be creditworthy. The Company did not have any counterparty credit risk exposure for derivative financial instruments at September 30, 2016.

Certain derivative agreements contain provisions that require the Company to post collateral if the derivative exposure exceeds a threshold amount. See the table below for amounts held at each period presented. The table below also presents the Company's asset and liability derivative positions and the potential effect of netting arrangements on its financial position, as of the periods presented.

	September 30, 2016
	Gross Amounts of Recognized Asset/Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross amounts not offset in the Statement of Financial Position
(Dollars in thousands)							Financial Instruments		Cash collateral (Received)/Posted		Net Amount
Asset Derivatives
Back-to-Back Swaps	$	318	$	—	$	318	$	—	$	—	$	318
Liability Derivatives
Back-to-Back Swaps	$	318	$	—	$	318	$	—	$	340	$	(22	)

	December 31, 2015
	Gross Amounts of Recognized Asset/Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross amounts not offset in the Statement of Financial Position
(Dollars in thousands)							Financial Instruments		Cash collateral (Received)/Posted		Net Amount
Asset Derivatives
Back-to-Back Swaps	$	16	$	—	$	16	$	—	$	—	$	16
Liability Derivatives
Back-to-Back Swaps	$	16	$	—	$	16	$	—	$	—	$	16

The Company has agreements with certain derivative counterparties that contain credit-risk-related contingent provisions. These provisions provide the counterparty with the right to terminate its derivative positions and require the Company to settle its obligations under the agreements if the Company defaults on certain of its indebtedness.

The Company also participates in loans originated by third party banks, where the originating bank utilizes a back-to-back interest rate swap structure; however, the Company is not a party to the swap agreements. Under the terms of the loan participations, the Company has accepted contingent liabilities that would only occur if the swaps were terminated early and there were outstanding losses not covered by the underlying borrowers and the borrowers' pledged collateral.  If applicable, the Company’s swap loss exposure would be equal to the percentage of the Company’s participation in the underlying loan applied

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to the originating bank's swap loss.  At September 30, 2016, the Company had two such participation loans and management considers the risk of material swap loss exposure to be unlikely based on the swap mark-to-market and the borrower's underlying collateral and financial strength. At December 31, 2015, the Company did not have any of these agreements.

(8) Supplemental Retirement Plan and Other Postretirement Benefit Obligations

Supplemental Employee Retirement Plan ("SERP")

The Company has salary continuation agreements with two of its current executive officers and one former executive officer. These agreements provide for predetermined fixed-cash supplemental retirement benefits to be provided for a period of 20 years after each individual reaches a defined "benefit age." The individuals covered under the SERP have reached the defined benefit age and are receiving payments under the plan. Additionally, the Company has not recognized service costs in the current or prior year as each officer had previously attained their individually defined benefit age and was fully vested under the plan.

This non-qualified plan represents a direct liability of the Company, and as such has no specific assets set aside to settle the benefit obligation.  The funded status is the aggregate amount accrued, or the "accumulated benefit obligation," which is equal to the present value of the benefits to be provided to the employee or any beneficiary.  Because the Company's benefit obligations provide for predetermined fixed-cash payments, the Company does not have any unrecognized costs to be included as a component of accumulated other comprehensive income.

Total net periodic benefit costs, comprised of interest costs only, were $31 thousand and $93 thousand for both the three and nine months ended September 30, 2016, compared to $31 thousand and $94 thousand for the three and nine months ended September 30, 2015.

Benefits paid amounted to $69 thousand and $207 thousand for both the three and nine months ended September 30, 2016 and September 30, 2015. The Company anticipates accruing an additional $31 thousand to the SERP during the remainder of 2016.

Supplemental Life Insurance

The Company has provided supplemental life insurance through split-dollar life insurance arrangements for certain executive and senior officers on whom the Bank owns bank-owned life insurance ("BOLI").

These arrangements provide a death benefit to the officer's designated beneficiaries that extend to postretirement periods for some of the supplemental life insurance plans. The Company has recognized a liability for these future postretirement benefits.

These non-qualified plans represent a direct liability of the Company, and as such has no specific assets set aside to settle the benefit obligation.  The funded status is the aggregate amount accrued, or the "accumulated postretirement benefit obligation," which is the present value of the post-retirement benefits associated with this arrangement.

The following table illustrates the net periodic post-retirement benefit cost for the supplemental life insurance plans for the periods indicated:

	Three months ended September 30,						Nine months ended September 30,
(Dollars in thousands)	2016			2015			2016			2015
Service Cost	$	(2	)	$	(1	)	$	(7	)	$	(3	)
Interest Cost	22			19			64			58
Net periodic post-retirement benefit cost	$	20		$	18		$	57		$	55

(9) Stock-Based Compensation

The Company currently has three individual stock incentive plans: the 2003 plan as amended in 2009, the 2009 plan as amended in 2015 and the 2016 plan. The 2016 plan which was approved by the Company's stockholders at the May 2016 annual meeting, has essentially the same terms as the 2003 and 2009 plans. The plans permit the Board of Directors to grant, under various terms, both incentive and non-qualified stock options (for the purchase of newly issued shares of common stock), restricted stock, restricted stock units and stock appreciation rights to officers and other employees, directors and consultants.

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These plans also allow for newly issued shares of common stock to be issued without restrictions to officers and other employees, directors and consultants.  As of September 30, 2016, an aggregate of 469,745 shares remain available for future grants under the 2009 and 2016 plans. The 2003 plan is closed to future grants, although several awards previously granted under this plan remain outstanding and may be exercised in the future.

The Company's stock-based compensation expense includes stock options and stock awards to officers and other employeesincluded in salary and benefits expense, and stock awards and stock compensation in lieu of cash fees to non-employee directors included in other operating expenses.  Total stock-based compensation expense was $444 thousand and $1.3 million for the three and nine months ended September 30, 2016, compared to $411 thousand and $1.4 million for the three and nine months ended September 30, 2015.

Stock Option Awards

The Company recognized stock-based compensation expense related to stock option awards of $63 thousand and $205 thousand for the three and nine months ended September 30, 2016, compared to $71 thousand and $247 thousand for the three and nine months ended September 30, 2015.

The Company utilizes the Black-Scholes option valuation model in order to determine the per share grant date fair value of option grants.

The table below provides a summary of the options granted in 2016 and 2015.

	Nine Months Ended September 30,
	2016			2015
Options granted	31,047			27,376
Term in years	10			10
Weighted average assumptions used in the fair value model:
Expected volatility	42		%	47		%
Expected dividend yield	3.02		%	2.90		%
Expected life in years	7			7
Risk-free interest rate	1.91		%	1.95		%
Weighted average market price on date of grants	$	21.91		$	21.03
Per share weighted average fair value	$	7.91		$	8.51
Fair value as a percentage of market value at grant date	36		%	40		%

Options granted during the first nine months of 2016 and 2015 generally vest 50% in year two and 50% in year four, on the anniversary date of the awards. Vested options are only exercisable while the employee remains employed with the Bank and for a limited time thereafter. If a grantee’s employment or other service relationship, such as service as a director, is terminated for any reason, then any stock options granted that have not vested as of the time of such termination generally must be forfeited, unless the Compensation Committee or the Board of Directors, as the case may be, waives such forfeiture requirement.

Refer to Note 11 "Stock-Based Compensation Plans" in the Company's 2015 Annual Report on Form 10-K for a further description of the assumptions used in the valuation model.

Stock Awards

Stock-based compensation expense recognized in association with stock awards amounted to $322 thousand and $939 thousand for the three and nine months ended September 30, 2016, compared to $295 thousand and $928 thousand for the three and nine months ended September 30, 2015.

Restricted stock awards are granted at the market price on the date of the grant. Employee awards generally vest over four years in equal portions beginning on or about the first anniversary date of the award or are performance based awards that vest

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upon the Company achieving certain predefined performance objectives. Non-employee director awards generally vest over two years in equal portions beginning on or about the first anniversary date of the award.

The table below provides a summary of restricted stock awards granted in 2016 and 2015.

	Nine Months Ended September 30,
Restricted Stock Awards	2016		2015
Two Year Vesting	9,060		7,276
Four Year Vesting	18,298		17,775
Performance-Based Vesting	35,071		30,262
Total Restricted Stock Awards	62,429		55,313
Weighted average grant date fair value	$	21.90	$	21.03

If a grantee's employment or other service relationship, such as service as a director, is terminated for any reason, then any shares of restricted stock granted that have not vested as of the time of such termination generally must be forfeited, unless the Compensation Committee or the Board of Directors, as the case may be, waives such forfeiture requirement.

The restricted stock awards allow for the receipt of dividends, and the voting of all shares, whether or not vested, throughout the vesting periods at the same proportional level as common shares outstanding.

Upon vesting, restricted stock awards may be net share-settled to cover payment for employee tax obligations, resulting in shares of common stock being reacquired by the Company. In accordance with Chapter 156D of the Massachusetts General Laws, a statute known as the Massachusetts Business Corporation Act, which applies to Massachusetts corporations such as the Company, eliminates the concept of “treasury stock” and provides that shares a Massachusetts company reacquires will be treated as authorized but unissued shares.

Any shares that are returned to the Company prior to vesting or as payment for employee tax obligations upon vesting shall remain available for issuance under such plan, while the plan is still open.

Stock in Lieu of Directors' Fees

In addition to restricted stock awards discussed above, the non-employee members of the Company's Board of Directors may opt to receive newly issued shares of the Company's common stock in lieu of cash compensation for attendance at Board and Board Committee meetings.  Stock-based compensation expense related to these directors' fees amounted to $59 thousand and $205 thousand for the three and nine months ended September 30, 2016, compared to $45 thousand and $190 thousand for the three and nine months ended September 30, 2015, and is included in other operating expenses. In January 2016, non-employee directors were issued 10,657 shares of common stock in lieu of 2015 annual cash fees of $254 thousand at a market value price of $23.86 per share, the market value of the common stock on the opt-in measurement date of January 2, 2015.

(10) Earnings per share

Basic earnings per share are calculated by dividing net income available to common stockholders by the weighted average number of common shares outstanding (including participating securities) during the year.  The Company's only participating securities are unvested restricted stock awards that contain non-forfeitable rights to dividends. Diluted earnings per share reflects the effect on weighted average shares outstanding of the number of additional shares outstanding if dilutive stock options were converted into common stock using the treasury stock method.

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Table of Contents ENTERPRISE BANCORP, INC. Notes to the Unaudited Consolidated Interim Financial Statements

The table below presents the increase in average shares outstanding, using the treasury stock method, for the diluted earnings per share calculation for the periods indicated: 

	Three months ended September 30,		Nine months ended September 30,
	2016	2015	2016	2015
Basic weighted average common shares outstanding	11,430,134	10,349,232	10,801,278	10,308,310
Dilutive shares	68,856	65,022	68,127	65,154
Diluted weighted average common shares outstanding	11,498,990	10,414,254	10,869,405	10,373,464

As of September 30, 2016, there were 57,541 options outstanding that were determined to be anti-dilutive and therefore excluded from the calculation of dilutive shares for the nine months endedSeptember 30, 2016.  These options, which were not dilutive at that date, may potentially dilute earnings per share in the future.

(11) Fair Value Measurements

The FASB defines the fair value of an asset or liability to be the price which a seller would receive in an orderly transaction between market participants (an exit price) and also establishes a fair value hierarchy segregating fair value measurements using three levels of inputs: (Level 1) quoted market prices in active markets for identical assets or liabilities; (Level 2) significant other observable inputs, including quoted prices for similar items in active markets, quoted prices for identical or similar items in markets that are not active, inputs such as interest rates and yield curves, volatilities, prepayment speeds, credit risks and default rates which provide a reasonable basis for fair value determination or inputs derived principally from observed market data; and (Level 3) significant unobservable inputs for situations in which there is little, if any, market activity for the asset or liability.  Unobservable inputs must reflect reasonable assumptions that market participants would use in pricing the asset or liability, which are developed on the basis of the best information available under the circumstances.

The following tables summarize significant assets and liabilities carried at fair value and placement in the fair value hierarchy at the dates specified:

	September 30, 2016		Fair Value Measurements using:
(Dollars in thousands)	Fair Value		(level 1)		(level 2)		(level 3)
Assets measured on a recurring basis:
Fixed income securities	$	337,187	$	—	$	337,187	$	—
Equity securities	11,877		11,877		—		—
FHLB stock	1,884		—		—		1,884
Interest-rate swaps	318		—		318		—
Assets measured on a non-recurring basis:
Impaired loans (collateral dependent)	3,951		—		—		3,951
Liabilities measured on a recurring basis:
Interest-rate swaps	318		—		318		—

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	December 31, 2015		Fair Value Measurements using:
(Dollars in thousands)	Fair Value		(level 1)		(level 2)		(level 3)
Assets measured on a recurring basis:
Fixed income securities	$	288,701	$	—	$	288,701	$	—
Equity securities	11,657		11,657		—		—
FHLB stock	3,050		—		—		3,050
Interest-rate swaps	16		—		16		—
Assets measured on a non-recurring basis:
Impaired loans (collateral dependent)	2,516		—		—		2,516
Liabilities measured on a recurring basis:
Interest-rate swaps	16		—		16		—

The Company did not have cause to transfer any assets between the fair value measurement levels during the nine months endedSeptember 30, 2016 or the year ended December 31, 2015.

All of the Company's fixed income investments and equity securities that are considered "available-for-sale" are carried at fair value.  The fixed income category above includes federal agency obligations, commercial and residential federal agency MBS, municipal securities, corporate bonds and certificates of deposits, as held at those dates.  The Company utilizes third-party pricing vendors to provide valuations on its fixed income securities.  Fair values provided by the vendors were generally determined based upon pricing matrices utilizing observable market data inputs for similar or benchmark securities in active markets and/or based on a matrix pricing methodology which employs The Bond Market Association's standard calculations for cash flow and price/yield analysis, live benchmark bond pricing and terms/condition data available from major pricing sources.  Therefore, management regards the inputs and methods used by third-party pricing vendors to be "Level 2 inputs and methods" as defined in the "fair value hierarchy." The Company periodically obtains a second price from an impartial third party on fixed income securities to assess the reasonableness of prices provided by the primary independent pricing vendor.

The Company's equity portfolio fair value is measured based on quoted market prices for the shares; therefore, these securities are categorized as Level 1 within the fair value hierarchy.

The Bank is required to purchase FHLB stock at par value in association with advances from the FHLB; this stock is classified as a restricted investment and carried at cost which management believes approximates fair value; therefore, these securities are categorized as Level 3 measures.  See Note 1, "Summary of Significant Accounting Policies," Item (d) for further information regarding the Company's fair value assessment of FHLB capital stock.

Impaired loan balances in the table above represent those collateral dependent impaired commercial loans where management has estimated the credit loss by comparing the loan's carrying value against the expected realizable fair value of the collateral (appraised value, or internal analysis less estimated cost to sell, adjusted as necessary for changes in relevant valuation factors subsequent to the measurement date).  Certain inputs used in these assessments, and possible subsequent adjustments, are not always observable, and therefore, collateral dependent impaired loans are categorized as Level 3 within the fair value hierarchy.  A specific allowance is assigned to the collateral dependent impaired loan for the amount of management's estimated probable credit loss.  The specific allowances assigned to the collateral dependent impaired loans amounted to $1.3 million at September 30, 2016 compared to $1.4 million at December 31, 2015.

When OREO property is acquired, it is generally recorded at the lesser of the loan's remaining principal balance, net of unamortized deferred fees, or the estimated fair value of the property acquired, less estimated costs to sell.  The estimated fair value is based on market appraisals and the Company's internal analysis.  Certain inputs used in appraisals or the Company's internal analysis are not always observable and therefore, OREO may be categorized as Level 3 within the fair value hierarchy.  The Company carried no OREO at either September 30, 2016 or December 31, 2015.

The fair values for the interest-rate swap assets and liabilities represent a FASB Level 2 measurement and are based on settlement values adjusted for credit risks associated with the counterparties and the Company and observable market interest rate curves. The settlement values are based on discounted cash flow analysis, a widely accepted valuation technique, reflecting

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the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves. Credit risk adjustments consider factors such as the likelihood of default by the Company and its counterparties, its net exposures and remaining contractual life. The change in value of interest-rate swap assets and liabilities attributable to credit risk was not significant during the reported periods. Refer also to Note 7, "Derivatives and Hedging Activities," for additional information on the Company's interest-rate swaps.

Standby letters of credit are conditional commitments issued by the Company to guarantee the financial obligation or performance of a customer to a third party.  The fair value of these commitments was estimated to be the fees charged to enter into similar agreements, and accordingly these fair value measures are deemed to be FASB Level 2 measurements.  In accordance with the FASB, the estimated fair values of these commitments are carried on the balance sheet as a liability and amortized to income over the life of the letters of credit, which are typically one year.  The estimated fair value of these commitments carried on the balance sheet at September 30, 2016 and December 31, 2015 were deemed immaterial.

Interest rate lock commitments related to the origination of mortgage loans that will be sold are considered derivative instruments.  The commitments to sell loans are also considered derivative instruments. The Company generally does not pool mortgage loans for sale, but instead sells the loans on an individual basis. To reduce the net interest rate exposure arising from its loan sale activity, the Company enters into the commitment to sell these loans at essentially the same time that the interest rate lock commitment is quoted on the origination of the loan. The Company estimates the fair value of these derivatives based on current secondary mortgage market prices.  These commitments are accounted for in accordance with FASB guidance.  The fair values of the Company's derivative instruments are deemed to be FASB Level 2 measurements. At September 30, 2016 and December 31, 2015, the estimated fair value of the Company's derivative instruments was considered to be immaterial.

The following table presents additional quantitative information about assets measured at fair value on a recurring and non-recurring basis for which the Company utilized Level 3 inputs (significant unobservable inputs for situations in which there is little, if any, market activity for the asset or liability) to determine fair value as of September 30, 2016:

(Dollars in thousands)	Fair Value		Valuation Technique	Unobservable Input	Unobservable Input Value or Range
Assets measured on a recurring basis:
FHLB stock	$	1,884	FHLB Stated Par Value	N/A	N/A
Assets measured on a non-recurring basis:
Impaired loans (collateral dependent)	$	3,951	Appraisal of collateral	Appraisal adjustments (1)	5% - 50%

__________________________________________

⁽¹⁾    Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses.

Estimated Fair Values of Assets and Liabilities

In addition to disclosures regarding the measurement of assets and liabilities carried at fair value on the balance sheet, the Company is also required to disclose fair value information about financial instruments for which it is practicable to estimate that value, whether or not recognized on the balance sheet. 

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The carrying values, estimated fair values and placement in the fair value hierarchy of the Company's financial instruments for which fair value is only disclosed but not recognized on the balance sheet at the dates indicated are summarized as follows:

	September 30, 2016				Fair value measurement
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1 inputs		Level 2 Inputs		Level 3 Inputs
Financial assets:
Loans held for sale	$	2,171	$	2,176	$	—	$	2,176	$	—
Loans, net	1,954,265		1,961,363		—		—		1,961,363
Financial liabilities:
Certificates of deposit (including brokered)	231,231		231,698		—		231,698		—
Borrowed funds	671		671		—		671		—
Subordinated debt	14,831		15,012		—		—		15,012

	December 31, 2015				Fair value measurement
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1 inputs		Level 2 Inputs		Level 3 Inputs
Financial assets:
Loans held for sale	$	1,709	$	1,709	$	—	$	1,709	$	—
Loans, net	1,830,954		1,845,009		—		—		1,845,009
Financial liabilities:
Certificates of deposit (including brokered)	274,467		273,419		—		273,419		—
Borrowed funds	53,671		53,670		—		53,670		—
Subordinated debt	14,822		13,961		—		—		13,961

Excluded from the tables above are certain financial instruments with carrying values that approximated their fair value at the dates indicated, as they were short-term in nature or payable on demand.  These include cash and cash equivalents, accrued interest receivable, non-term deposit accounts, and accrued interest payable. The respective carrying values of these instruments would all be considered to be classified within Level 1 of their fair value hierarchy.

Also excluded from these tables are the fair values of commitments for unused portion of lines of credit and letters of credit, which were estimated to be the fees currently charged to enter into similar agreements and are deemed to be immaterial, as well as commitments to originate non-mortgage loans which were short-term, at current market rates and estimated to have no significant change in fair value.

When determining fair values noted in the tables above, in cases where quoted fair values are not available, fair values are based upon estimates using various valuation techniques.  Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows.  The following methods and assumptions were used by the Company in estimating fair values of its financial instruments:

Loans held for sale: Loans held for sale are recordedat the lower of aggregate amortized cost or market value. The fair value is based on comparable market prices for loans with similar rates and terms.

Loans: The fair value of loans was determined using discounted cash flow analysis, using interest rates currently being offered by the Company.  The incremental credit risk for adversely classified loans was considered in the determination of the fair value of the loans.  This method of estimating fair value does not incorporate the exit price concept of fair value.

Financial liabilities: The fair values of certificates of deposit and borrowings were estimated using discounted cash flow analysis using rates offered by the Bank or advance rates offered by the FHLB on September 30, 2016 and December 31, 2015

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for similar instruments.  The fair value of subordinated debt was estimated using discounted cash flow analysis using a market rate of interest at September 30, 2016 and December 31, 2015.

Limitations:  The estimates of fair value of financial instruments were based on information available at September 30, 2016 and December 31, 2015 and are not indicative of the fair market value of those instruments as of the date of this Quarterly Report on Form 10-Q.  These estimates do not reflect any premium or discount that could result from offering for sale at one time the Company's entire holdings of a particular financial instrument. The fair value of the Company's time deposit liabilities do not take into consideration the value of the Company's long-term relationships with depositors, which may have significant value.

Because no active market exists for a portion of the Company's financial instruments, fair value estimates were based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors.  These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision.  Changes in assumptions could significantly affect the estimates.

Fair value estimates were based on existing on- and off-balance sheet financial instruments without an attempt to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments, including premises and equipment and foreclosed real estate.

In addition, the tax ramifications related to the realization of the unrealized appreciation and depreciation can have a significant effect on fair value estimates and have not been considered in any of the estimates.  Accordingly, the aggregate fair value amounts presented do not represent the underlying value of the Company.

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Item 2 - Management's Discussion and Analysis of Financial Condition and Results of Operations

Management's discussion and analysis should be read in conjunction with the Company's (also referred to herein as "Enterprise," "us," "we" or "our") unaudited consolidated interim financial statements and notes thereto contained in this report and the consolidated financial statements and notes thereto contained in the Company's Annual Report on Form 10-K for the year ended December 31, 2015 (the "2015 Annual Report on Form 10-K").

Special Note Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q (this "Form 10-Q") contains certain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, including statements concerning plans, objectives, future events or performance and assumptions and other statements that are other than statements of historical fact. Forward-looking statements may be identified by reference to a future period or periods or by use of forward-looking terminology such as "anticipates," "believes," "expects," "intends," "may," "plans," "pursue," "views" and similar terms or expressions. Various statements contained in Item 2 - "Management's Discussion and Analysis of Financial Condition and Results of Operations" and Item 3 - "Quantitative and Qualitative Disclosures About Market Risk" of this Form 10-Q including, but not limited to, statements related to management's views on the banking environment and the economy, competition and market expansion opportunities, the interest rate environment, credit risk and the level of future non-performing assets and charge-offs, potential asset and deposit growth, future non-interest expenditures and non-interest income growth, and borrowing capacity are forward-looking statements. The Company cautions readers that such forward-looking statements reflect numerous assumptions and involve a number of risks and uncertainties that could cause the Company's actual results to differ materially from those expressed in, or implied by, the forward looking statement. The forward-looking statements in this Form 10-Q are based on information available to the Company as of the date of hereof, and the Company undertakes no obligation to publicly update or otherwise revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as required by applicable law. The following important factors, among others, could cause the Company's results for subsequent periods to differ materially from those expressed in any forward-looking statement made in this Form 10-Q: (i) changes in interest rates could negatively impact net interest income; (ii) changes in the business cycle and downturns in the local, regional or national economies, including deterioration in the local real estate market, could negatively impact credit and/or asset quality and result in credit losses and increases in the Company's allowance for loan losses; (iii) changes in consumer spending could negatively impact the Company's credit quality and financial results; (iv) increasing competition from larger regional and out-of-state banking organizations as well as non-bank providers of various financial services could adversely affect the Company's competitive position within its market area and reduce demand for the Company's products and services; (v) deterioration of securities markets could adversely affect the value or credit quality of the Company's assets and the availability of funding sources necessary to meet the Company's liquidity needs; (vi) changes in technology, including the increased cyber-security risk and identity theft, could adversely impact the Company's operations and increase technology-related expenditures; (vii) increases in employee compensation and benefit expenses could adversely affect the Company's financial results; (viii) changes in laws and regulations that apply to the Company's business and operations, including without limitation, the Dodd-Frank Wall Street Reform and Consumer Protection Act (the "Dodd-Frank Act"), the Jumpstart Our Business Startups Act (the "JOBS Act"), the Basel III rules adopted by the federal banking regulators and the additional regulations that will be forthcoming as a result thereof, could cause the Company to incur additional costs and adversely affect the Company's business environment, operations and financial results; (ix) changes in accounting standards, policies and practices, as may be adopted or established by the regulatory agencies, the Financial Accounting Standards Board ("FASB"), or the Public Company Accounting Oversight Board could negatively impact the Company's financial results; (x) our ability to enter new markets successfully and capitalize on growth opportunities, including the receipt of required regulatory approvals; (xi) future regulatory compliance costs, including any increase caused by new regulations imposed by the Consumer Finance Protection Bureau; and (xii) the risks and uncertainties described in the documents that the Company files or furnishes to the Securities and Exchange Commission (the "SEC"), including those discussed under "Risk Factors" in Item 1A of the Company's 2015 Annual Report on Form 10-K, which could have a material adverse effect on the Company's business, financial condition and results of operations.  Therefore, the Company cautions readers not to place undue reliance on any such forward-looking information and statements.

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Overview

Executive Summary

Net income for the three months endedSeptember 30, 2016 amounted to $4.7 million, an increase of $422 thousand, or 10%, compared to the same three-month period in 2015. Diluted earnings per share were $0.41 for both the three months ended September 30, 2016 and 2015. Net income for the nine months endedSeptember 30, 2016 amounted to $13.8 million, an increase of $2.4 million, or 21%, compared to the nine months endedSeptember 30, 2015. Diluted earnings per share were $1.27 for the nine months endedSeptember 30, 2016, an increase of 15%, compared to the nine months endedSeptember 30, 2015. In 2016, diluted earnings per share for the quarter ended September 30, 2016 fully includes the dilutive impact of the Company’s recent equity offering and the nine months endedSeptember 30, 2016 includes the dilutive effect from June 23 to September 30. See "Capital Resources" below for more information on the offering.

The increase in our 2016 earnings compared to 2015 is largely driven by our growth over the last twelve months. Loans, total assets, and deposits, excluding brokered deposits, have increased 11%, 13%, and 17%, respectively, as compared to September 30, 2015.

Strategically, our focus remains on organic growth and continually planning for and investing in our future. Our 23^rd branch, on Route 101A in Nashua, NH, opened in early July 2016. We have also recently announced that we anticipate opening our 24^th branch office in Windham, NH in 2017, which will fill a gap in our New Hampshire footprint.

Composition of Earnings

The Company's earnings are largely dependent on its net interest income, which is the difference between interest earned on loans and investments and the cost of funding (primarily deposits and borrowings).  Net interest income expressed as a percentage of average interest earning assets is referred to as net interest margin.  The Company reports net interest margin on a tax equivalent basis ("margin").

Net interest income for the three months endedSeptember 30, 2016 amounted to $21.8 million, an increase of $1.9 million, or 9%, compared to the same period in 2015. Net interest income for the nine months endedSeptember 30, 2016 amounted to $64.2 million, an increase of $6.6 million, or 11%, compared to the nine months endedSeptember 30, 2015. The increase in net interest income was due primarily to loan growth. Average loan balances (including loans held for sale) increased $185.6 million and $181.8 million for the three and nine months ended September 30, 2016, respectively, compared to the same 2015 period averages. Net interest margin was 3.86% for the three months endedSeptember 30, 2016 compared to 3.98% for the three months endedSeptember 30, 2015. The third quarter of 2016 was impacted by higher balances in low-yielding interest-earning assets from short-term customer deposits. Net interest margin was 3.96% for the nine months endedSeptember 30, 2016, compared to 3.97% for the nine months endedSeptember 30, 2015.

For the three months endedSeptember 30, 2016 and September 30, 2015, the provision for loan losses amounted to $1.4 million and $250 thousand, respectively. For the nine months endedSeptember 30, 2016 and September 30, 2015, the provision for loan losses amounted to $2.5 million and $2.1 million, respectively.

In determining the provision to the allowance for loan losses, management takes into consideration the level of loan growth (including new loan growth which requires a provision for general reserves) and an estimate of credit risk, which includes such items as adversely classified and non-performing loans, the estimated specific reserves needed for impaired loans, the level of net charge-offs, and the estimated impact of current economic conditions on credit quality. Loan growth for the nine months endedSeptember 30, 2016 was $125.9 million compared to $118.0 million during the nine months endedSeptember 30, 2015. Loan growth in 2016 was particularly strong in the third quarter compared to the same quarter in 2015. Total non-performing loans as a percentage of total loans declined to 0.50% at September 30, 2016, compared to 0.81% at September 30, 2015. The Company recorded net recoveries of $78 thousand for the nine months endedSeptember 30, 2016, compared to net charge-offs of $1.1 million for the nine months endedSeptember 30, 2015. The balance of the allowance for loan losses allocated to impaired and classified loans amounted to $4.1 million at September 30, 2016, compared to $3.2 million at September 30, 2015. During the current period. management downgraded the credit rating of three larger commercial relationships to "criticized" or "adverse" risk ratings, based on a review of their individual business circumstances, requiring higher levels of reserves in the current period, which increased the provision and the allowance to total loan ratio compared to December 31, 2015; however, these loans continue to perform in accordance with their original terms.

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The allowance for loan losses to total loans ratio was 1.59% at September 30, 2016, 1.56% at December 31, 2015 and 1.57% at September 30, 2015. In general, the credit quality of the loan portfolio is improving, in part due to improved economic conditions over the past twelve months; however, individual loan downgrades, such as those noted above, which will occur due to individual business circumstances, slightly increased the allowance to total loan ratio.

For further information regarding loan quality statistics and the allowance for loan losses, see the sections below under the heading "Financial Condition" titled "Asset Quality" and "Allowance for Loan Losses."

Non-interest income for the three months endedSeptember 30, 2016 amounted to $3.9 million, an increase of $764 thousand, or 24%, compared to the same quarter last year. This increase was primarily due to an increase in net gains on the sales of investment securities. Non-interest income for the nine months endedSeptember 30, 2016 amounted to $10.7 million, a decrease of $151 thousand, or 1%, compared to the nine months endedSeptember 30, 2015. This decrease was due primarily to a decrease in net gains on the sales of investment securities, partially offset by increases in deposit and interchange fees and income on bank-owned life insurance.

Non-interest expense for the quarter ended September 30, 2016 amounted to $17.4 million, an increase of $866 thousand, or 5%, compared to the same quarter in the prior year. For the nine months endedSeptember 30, 2016, non-interest expense amounted to $51.8 million, an increase of $2.8 million, or 6%, over the nine months endedSeptember 30, 2015. Increases in expenses over the prior year primarily related to increases in the Company’s strategic growth and market expansion initiatives, particularly salaries and benefits and technology expenses.

Sources and Uses of Funds

The Company's primary sources of funds are customer and brokered deposits, Federal Home Loan Bank ("FHLB") borrowings, current earnings and proceeds from the sales, maturities and pay-downs on loans and investment securities.  The Company may also, from time to time, utilize overnight borrowings from correspondent banks. Additionally, funding for the Company may be generated through equity transactions, including the dividend reinvestment and direct stock purchase plan or exercise of stock options, and occasionally the issuance of debt securities or the sale of new stock. During the second quarter of 2016, the Company completed an offering of shares of its common stock through a rights offering to its existing stockholders and a supplemental community offering to new members ("share offering"), raising approximately $20.0 million in new capital ($19.7 million, net of offering costs), and contributed the net proceeds to the Bank. These funds are intended to be used to originate loans, purchase investment securities, conduct operations, expand the branch network, and pay dividends to stockholders.

The investment portfolio is primarily used to provide liquidity, manage the Company's asset-liability position and to invest excess funds, providing additional sources of revenue. Total investments, one of the key components of interest earning assets, amounted to $349.1 million at September 30, 2016, and comprised 14% of total assets at September 30, 2016 compared to 13% at December 31, 2015.

Enterprise's main asset strategy is to grow loans, the largest component of interest earning assets, with a focus on high quality commercial loans.  Total loans increased $125.9 million, since December 31, 2015 and amounted to $1.99 billion at September 30, 2016, comprising 80% of total assets at September 30, 2016, compared to 81% at December 31, 2015. Total commercial loans amounted to $1.71 billion, or 86% of gross loans, at September 30, 2016, which was consistent with the composition at December 31, 2015.

Management's preferred strategy for funding asset growth is to grow relationship-based deposit balances, preferably transactional deposits (comprised of demand deposit accounts, interest and business checking accounts and traditional savings accounts).  Asset growth in excess of transactional deposits is typically funded through non-transactional deposits (comprised of money market accounts, commercial tiered rate or "investment savings" accounts and term certificates of deposit) and wholesale funding (brokered deposits and borrowed funds).

At September 30, 2016, total deposits, excluding brokered deposits, amounted to $2.16 billion, an increase of $250.9 million, or 13%, from December 31, 2015 balances. Non-brokered deposit growth since December 31, 2015 occurred in all deposit categories with the largest growth noted in money markets and checking accounts.

Wholesale funding amounted to $60.0 million at September 30, 2016, compared to $160.4 million at December 31, 2015, a decrease of $100.4 million, or 63%. Wholesale funding included FHLB advances of $671 thousand and $40.7 million at September 30, 2016 and December 31, 2015, respectively, and brokered deposits of $59.3 million and $106.8 million at September 30, 2016 and December 31, 2015, respectively. At December 31, 2015, the Company also had an overnight

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borrowing of $13.0 million with a correspondent bank. Borrowed fund balances, FHLB advances and other borrowings, have declined $53.0 million since December 31, 2015. Brokered deposits, comprised solely of CDs, have decreased $47.4 million, or 44%, during the nine months endedSeptember 30, 2016. The Company's level of wholesale funding has declined over the current year as deposit growth has exceeded loan growth.

Opportunities and Risks

The Company's ability to achieve its long-term strategic growth and market share objectives will depend in part upon the Company's continued success in differentiating itself in the market place and its ability to strengthen its competitive position. Enterprise faces robust competition to attract and retain customers within existing and neighboring geographic markets. National and larger regional banks have a local presence in the Company's market area.  These larger banks have certain competitive advantages, including greater financial resources and the ability to make larger loans to a single borrower. Numerous local savings banks, commercial banks, cooperative banks and credit unions also compete in the Company's market area. The expanded commercial lending capabilities of credit unions and the shift to commercial lending by traditional savings banks means that both of these types of traditionally consumer-orientated institutions now compete for the Company's targeted commercial customers. In addition, the non-taxable status of credit unions allows them certain advantages as compared to taxable institutions such as Enterprise. Competition for loans, deposits and cash management services, investment advisory assets, and insurance business also comes from other businesses that provide financial services, including consumer finance companies, mortgage brokers and lenders, private lenders, insurance companies, securities brokerage firms, institutional mutual funds, registered investment advisors, internet based banks, non-bank payment and funding channels, and other financial intermediaries.  Consolidation within the industry, customer disenfranchisement with larger national/international banks, banks exiting certain business lines and/or markets, the cost of compliance with new government regulations, and the continued low interest rate environment have and are expected to continue to have an impact on the regional competitive market. The Company also faces increasing competition within its marketplace on the pricing of loans. This is expected to be an ongoing competitive challenge; however, the Company is committed to maintaining asset quality and focuses its sales efforts on building long-term relationships, rather than competing for individual transactions or easing loan terms. In addition, the increased use and advances in technology such as internet and mobile banking, non-bank payment channels, electronic transaction processing and cyber-security, are expected to have a significant impact on the future competitive landscape confronting financial service businesses.

The Company's business model is to provide a full range of diversified financial products and services through a highly-trained staff of knowledgeable banking professionals, with in-depth understanding of our markets, commitment to open and honest communication with clients and dedication to active community service. Management believes the Company has differentiated itself from the competition by building a solid reputation within the local market as a dependable commercial-focused community bank, delivering consistent and exceptional customer service, offering competitive products and taking an active role in support of the communities we serve. The Company's banking professionals are committed to upholding the Company's core values, including significant and active involvement in many charitable and civic organizations, and community development programs throughout our service area. This long-held commitment to community not only contributes to the welfare of the communities we serve, it also helps to fuel the local economy and has led to a strong referral network with local businesses, non-profit organizations and community leaders. Management believes the Company's community service reputation and culture positions the Company to be a leading provider of banking, investment advisory and wealth management, trust and insurance services in its growing market area.

The Company actively seeks to increase deposit share and strengthen its competitive position through continuous reviews of deposit product offerings, cash management and ancillary services and state-of-the-art delivery channels, targeted to businesses, non-profits, professional practice groups, municipalities and consumers' needs. These products and services are delivered by experienced local banking professionals who possess strong technical skills, and function as trusted advisors to clients. In addition, Enterprise carefully plans deposit expansion through new branch development, identifying offices strategically located to complement existing locations while expanding the Company's geographic market footprint. In early July 2016, our 23^rd branch, on Route 101A in Nashua, NH, opened and the Company recently announced the anticipated opening of its 24^th branch office in Windham, NH, in 2017. Branch expansion is aimed at achieving not only deposit market share growth, but also is intended to contribute to loan originations and generate referrals for investment advisory and wealth management, trust and insurance services, residential mortgages and cash management products.

Management believes that Enterprise is also well equipped to capitalize on market potential to grow both the commercial and residential loan portfolios through strong business development efforts, while utilizing a disciplined and consistent lending approach and credit review practices, which have served to provide quality asset growth over varying economic cycles during the Company's history.  The Company has a skilled lending sales force with a broad breadth of business knowledge and depth of lending experience to draw upon, supported by a highly qualified and experienced commercial credit review function.

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The Company's investment services, including advisory, customized investment management, trust and brokerage services, provide for additional income diversification. The Company's investment advisory and management services channel derives revenues primarily from investment management fees based on assets under management. The Company's brokerage services channel revenue is split between fees based on assets under management and commissions. Management believes that the Company's investment services are distinguished from the competition by a client-centric open architecture approach in which clients work with a dedicated portfolio manager to hand-select funds with styles that match the client's investment goals. The Company's goal is to design and maintain portfolios that provide the income, growth potential, and risk tolerances that match the clients' comfort levels and exceeds their financial expectations. The Company's investment advisory team consists of a variety of certified financial and licensed brokerage professionals adept in a number of financial and investment disciplines dedicated to providing personalized investment service to each client.

Management continues to undertake significant strategic initiatives, including investments in employee training and development, marketing and public relations, technology and electronic delivery methods, ongoing improvements, renovations or strategic relocation of existing facilities and the continued development of recently added branches.  Industry consolidation also provides management the opportunity to recruit experienced banking professionals with market knowledge who complement the Enterprise sales and service culture.  While management recognizes that such investments increase expenses in the short term, Enterprise believes that such initiatives are a necessary investment in the long-term growth and earnings potential of the Company and help the Company to capitalize on opportunities in the current marketplace for community banks such as Enterprise. However, lower than expected returns on these investments, such as slower than anticipated loan and deposit growth in new branches and/or lower than expected fee or other income generated from new technology or initiatives, could decrease anticipated revenues and net income on such investments in the future.

Any prolonged deterioration of the general economic environment in the national or local New England economy could have adverse repercussions on local industries, leading to increased unemployment and mortgage foreclosures, deterioration of local commercial real estate values, and other unforeseen consequences, which could have a severe negative impact on the Company's financial condition, capital position, liquidity, and performance. In addition, the loan portfolio consists primarily of commercial real estate, commercial and industrial, and commercial construction loans.  These types of loans are typically larger and are generally viewed as having more risk of default than owner occupied residential real estate loans or consumer loans. Any significant deterioration in the credit quality of the commercial loan portfolio or underlying collateral values due to a downturn in the economic environment, or other factors, could have a material adverse effect on the Company's financial condition and results of operations. The risk of loss due to customers' non-payment of loans or lines of credit is called "credit risk."  Credit risk management is reviewed below in this Item 2 under the headings "Credit Risk," "Asset Quality" and "Allowance for Loan Losses."

The value of the investment portfolio as a whole, or individual securities held, including restricted FHLB capital stock, could be negatively impacted by any sustained volatility in the financial markets or in credit markets, or fundamental deterioration in credit quality of the individual security, fund or issuer, which could possibly result in the recognition of additional other-than-temporary-impairment ("OTTI") charges in the future.

A decline in the aggregate balance of the assets under management could decrease investment advisory fee income. The Company's ability to maintain or increase investment assets under management is subject to a number of factors, including competition from investment management companies and alternative investment options, fluctuations in financial markets and various economic conditions, among others.

In addition, a sustained low interest rate environment could negatively impact the Company's net interest income and results of operations. Interest rate risk is reviewed in more detail under the heading Item 3, "Quantitative and Qualitative Disclosures About Market Risk," below.

Liquidity management is the coordination of activities so that cash needs are anticipated and met, readily and efficiently.  Liquidity management is reviewed further below in this Item 2 under the heading "Liquidity."

Federal banking agencies require the Company and the Bank to meet minimum capital requirements. Effective January 1, 2015, the Company and the Bank implemented the Basel III regulatory capital framework. For information regarding the current capital requirements applicable to the Company and the Bank and their respective capital levels at September 30, 2016, in addition to the recent capital raised through a share offering, see the section entitled "Capital Resources" contained in this Item 2 below. As of September 30, 2016, the Company met the definition of "well capitalized" under the applicable Federal Reserve Board regulations and the Bank qualified as "well capitalized" under the prompt corrective action regulations of Basel

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III and the FDIC; however, future unanticipated charges against capital, or changes in regulatory requirements such as the phase-in requirements under Basel III, could impact those regulatory capital designations.

In addition, any further changes in government regulation or oversight, including, but not limited to, the implementation by the federal regulatory agencies of the various requirements contained in the Dodd-Frank Act and new consumer financial protection laws enacted by the Consumer Financial Protection Bureau, could affect the Company in substantial and unpredictable ways, including, but not limited to, subjecting the Company to additional operating, governance and compliance costs, potentially influencing the Company's business decisions, or causing potential loss of revenue due to the impact of an enhanced regulatory structure on the banking industry as a whole.

Compliance risk includes the threat of fines, civil money penalties, lawsuits and restricted growth opportunities resulting from violations and/or non-conformance with laws, rules, regulations, prescribed practices, internal policies and procedures, or ethical standards.  The Company maintains a Compliance Management Program (the "CMP") designed to meet regulatory and legislative requirements.  The CMP provides a framework for tracking and implementing regulatory changes, monitoring the effectiveness of policies and procedures, conducting compliance risk assessments, and educating employees in matters relating to regulatory compliance.  The Audit Committee of the Board of Directors oversees the effectiveness of the CMP.

Operational risk includes the threat of loss from inadequate or failed internal processes, people, systems or external events, due to, among other things: fraud or error; the inability to deliver products or services; failure to maintain a competitive position; lack of, or insufficient information security, cyber security or physical security; inadequate procedures or controls followed by third-party service providers; or violations of ethical standards. In addition to intensive and ongoing employee training, employee and customer awareness campaigns, controls to manage operational risk include, but are not limited to, technology administration, information security, third-party management, and disaster recovery and business continuity planning. The Banking Technology Steering Committee of the Board of Directors oversees the information security program, monitors the results of third-party testing and risk assessments, and responses to breaches of customer data, among other technology, security and business continuity related functions.

The Company's technology administration includes policies and guidelines for the design, procurement, installation, management and acceptable use of hardware, software and network devices. The Company's technology project standards are designed to provide risk based oversight, coordinate and communicate ideas, and to prioritize and manage project implementation in a manner consistent with corporate objectives.

The Company has implemented layered security approaches for all delivery channels to mitigate rising cyber-security risks. Management utilizes a combination of third-party information security assessments, key technologies and ongoing internal evaluations to provide a level of protection of non-public personal information, to continually monitor and attempt to safeguard information on its operating systems and those of third-party service providers, and to quickly detect Distributed Denial of Service attacks.  The Company also utilizes firewall technology and a combination of software and third-party monitoring to detect intrusion, guard against unauthorized cyber access, and continuously identify and prevent computer viruses on the Company's information systems. To minimize debt card losses, the Company works with a third-party provider to establish parameters for allowable transaction activity, monitor transactions, and alert customers of potential fraudulent activity. 

The Company has a third-party risk management program designed to provide a mechanism to enable management to determine what risk, if any, a particular vendor or customer exposes the Company to, and to rate and mitigate that risk by properly performing initial and ongoing due diligence when selecting or maintaining relationships with critical third-party providers and customers who in turn provide financial services or products to their own customers.

The Company's Disaster Recovery and Business Continuity Program consists of the information and procedures required to enable a rapid recovery from an occurrence that would disable the Company's operations for an extended period, due to circumstances such as: loss of personnel; loss of data and/or loss of facilities, under various scenarios, including unintentional, malicious or criminal intentions; or loss of access to, or the physical destruction or damage of, facilities, infrastructure or systems. The plan, which is reviewed annually, establishes responsibility for assessing a disruption of business, contains alternative strategies for the continuance of critical business functions during an emergency situation, assigns responsibility for restoring services, and sets priorities by which critical services will be restored.  A bank-owned and maintained secondary data center location provides the Company back-up network processing capabilities and flexibility to relocate key operational personnel if needed.

The Company has developed Incident Response Policy and Procedures in order to guide its actions in responding to real and suspected information security incidents. This includes unlawful, unauthorized, or unacceptable actions that involve a computer system or a computer network such as Distributed Denial of Service attacks, Corporate Account Takeover schemes, or an event

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that has potentially compromised customers' non-public personal information. Additionally, an event that disrupts one of the Bank's service channels, whether as a result of a security incident or not, is also considered an incident requiring a response under this program. The reaction to an incident aims to reduce potential damage and loss and to protect and restore confidence through timely communication and the restoration of normal operating conditions for computers, services and information.

Any system of controls or contingency plan, however well designed and operated, is based in part on certain assumptions and can provide only reasonable, not absolute, assurances that the objectives of the controls and procedures will be met. Any breakdown in the integrity of these information systems, infrastructure, or cyber-security measures, or the Company's inability to identify, respond and correct such breakdown, could result in a loss of customer business, expose customers' personal information to unauthorized parties, damage the Company's reputation, subject the Company to increase costs and additional regulatory scrutiny, and expose the Company to civil litigation and possible financial liability, any of which could have a material adverse effect on the Company's business, financial condition and results of operations.

This Opportunities and Risks discussion should be read in conjunction with Item 1A "Risk Factors," and the section titled "Opportunities and Risk" contained in Item 7 "Management's Discussion and Analysis of Financial Conditions and Results of Operations" included in the Company's 2015 Annual Report on Form 10-K, which address numerous other factors and details that could adversely affect the Company's business, reputation, its future results of operations and financial condition.

Accounting Policies/Critical Accounting Estimates

As discussed in the Company's 2015 Annual Report on Form 10-K, the three most significant areas in which management applies critical assumptions and estimates that are particularly susceptible to change relate to the determination of the allowance for loan losses, impairment review of investment securities and the impairment review of goodwill.  The Company has not changed its significant accounting and reporting policies from those disclosed in its 2015 Annual Report on Form 10-K.

Financial Condition

Total assets increased $185.3 million, or 8%, since December 31, 2015, to $2.47 billion at September 30, 2016.  The balance sheet composition and changes since December 31, 2015 are discussed below.

Cash and cash equivalents

Cash and cash equivalents is comprised of cash on hand and cash items due from banks, interest-earning deposits (deposit accounts, excess cash balances, money markets, and money market mutual funds accounts) and fed funds sold. Cash and cash equivalents amounted to 3% of total assets at September 30, 2016, compared to 2% at December 31, 2015. Balances in cash and cash equivalents will fluctuate due primarily to the timing of net deposit flows, borrowing and loan inflows and outflows, investment purchases and maturities, calls and sales proceeds, and the immediate liquidity needs of the Company.

Investments

At September 30, 2016, the carrying value of the investment portfolio amounted to $349.1 million, an increase of $48.7 million, or 16%, since December 31, 2015 primarily due to excess cash generated from deposit growth exceeding loan growth. 

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The following table summarizes the fair value of investments at the dates indicated:

	September 30, 2016				December 31, 2015				September 30, 2015
(Dollars in thousands)	Amount		Percent		Amount		Percent		Amount		Percent
Federal agency obligations(1)	$	80,145	23.0	%	$	78,825	26.3	%	$	69,352	24.7	%
Residential federal agency MBS(1)	88,706		25.4	%	74,863		24.9	%	96,616		34.4	%
Commercial federal agency MBS(1)	44,679		12.8	%	23,545		7.8	%	—		—	%
Municipal securities	111,556		31.9	%	98,511		32.8	%	90,902		32.3	%
Corporate bonds	11,131		3.2	%	10,206		3.4	%	9,309		3.3	%
Certificates of deposits(2)	970		0.3	%	2,751		0.9	%	3,822		1.4	%
Total fixed income securities	337,187		96.6	%	288,701		96.1	%	270,001		96.1	%
Equity investments	11,877		3.4	%	11,657		3.9	%	11,026		3.9	%
Total available-for-sale investments at fair value	$	349,064	100.0	%	$	300,358	100.0	%	$	281,027	100.0	%

__________________________________________ 

⁽¹⁾  These categories may include investments issued or guaranteed by government sponsored enterprises such as Fannie Mae ("FNMA"), Freddie Mac ("FHLMC"), Federal Farm Credit Bank ("FFCB"), or one of several Federal Home Loan Banks, as well as, investments guaranteed by Ginnie Mae ("GNMA"), a wholly-owned government entity.  

⁽²⁾  Certificates of deposits ("CDs") represent term deposits issued by banks that are subject to FDIC insurance and purchased on the open market.

Included in the residential federal agency MBS category were collateralized mortgage obligations (“CMOs”) totaling $33.9 million, $20.8 million, and $16.5 million at September 30, 2016, December 31, 2015 and September 30, 2015, respectively. All of the commercial MBS investments held by the Company were CMOs issued by U.S agencies.

During the nine months endedSeptember 30, 2016, the Company purchased $64.8 million in securities and had principal pay downs, calls and maturities totaling $16.7 million. In addition, management sold securities with an amortized cost of approximately $4.1 million realizing net gains on sales of $611 thousand during the nine months endedSeptember 30, 2016.

Net unrealized gains on the investment portfolio amounted to $9.4 million at September 30, 2016 compared to $3.5 million and $4.7 million at December 31, 2015 and September 30, 2015, respectively. The Company attributes the increase in net unrealized gains in the current period primarily due to the impact of decreases in current market yields. Unrealized gains or losses will only be recognized in the statements of income if the investments are sold. However, should an investment be deemed "other than temporarily impaired," the Company is required to write-down the fair value of the investment.  

See also Note 2, "Investment Securities," and Note 11, "Fair Value Measurements," to the Company's unaudited consolidated interim financial statements contained in Item 1 above for further information regarding the Company's unrealized gains and losses on debt and equity securities, including information about investments in an unrealized loss position for which an other-than-temporary impairment has or has not been recognized, and investments pledged as collateral, as well as the Company's fair value measurements for available-for-sale securities.

Federal Home Loan Bank Stock

The Bank is required to purchase stock of the FHLB at par value in association with advances from the FHLB; this stock is classified as a restricted investment and carried at cost, which management believes approximates fair value.  The carrying amount of FHLB stock was $1.9 million for the period ended September 30, 2016, $3.1 million at December 31, 2015 and $4.2 million at September 30, 2015.

See Note 1, "Summary of Significant Accounting Policies," Item (d), "Restricted Investments," to the Company's unaudited consolidated interim financial statements contained in Item 1 above for further information regarding the Company's investment in FHLB stock.

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Loans

Total loans represented 80% of total assets at September 30, 2016, compared to 81% at December 31, 2015.  Total loans increased $125.9 million, or 7%, compared to December 31, 2015, and $195.2 million, or 11%, since September 30, 2015.  The mix of loans within the portfolio remained relatively unchanged with commercial loans amounting to approximately 86% of gross loans, reflecting a continued focus on commercial loan growth.

The following table sets forth the loan balances by certain loan categories at the dates indicated and the percentage of each category to gross loans.

	September 30, 2016					December 31, 2015					September 30, 2015
(Dollars in thousands)	Amount			Percent		Amount			Percent		Amount			Percent
Commercial real estate	$	1,008,362		50.7	%	$	936,921		50.3	%	$	922,167		51.5	%
Commercial and industrial	490,590			24.7	%	458,553			24.7	%	431,029			24.0	%
Commercial construction	215,432			10.9	%	202,993			10.9	%	184,927			10.3	%
Total commercial loans	1,714,384			86.3	%	1,598,467			85.9	%	1,538,123			85.8	%
Residential mortgages	172,556			8.7	%	169,188			9.1	%	162,414			9.1	%
Home equity loans and lines	90,116			4.5	%	83,373			4.4	%	81,195			4.5	%
Consumer	10,634			0.5	%	10,747			0.6	%	10,520			0.6	%
Total retail loans	273,306			13.7	%	263,308			14.1	%	254,129			14.2	%
Gross loans	1,987,690			100.0	%	1,861,775			100.0	%	1,792,252			100.0	%
Deferred fees, net	(1,836		)			(1,813		)			(1,644		)
Total loans	1,985,854					1,859,962					1,790,608
Allowance for loan losses	(31,589		)			(29,008		)			(28,130		)
Net loans	$	1,954,265				$	1,830,954				$	1,762,478

As of September 30, 2016, commercial real estate loans increased $71.4 million, or 8%, compared to December 31, 2015, and increased 9% compared to September 30, 2015.  Commercial real estate loans are typically secured by one-to-four and multi-family apartment buildings, office, industrial or mixed-use facilities, strip shopping centers or other commercial properties.

Commercial and industrial loans increased $32.0 million, or 7.0%, compared to December 31, 2015, and increased 14% as compared to September 30, 2015.  These loans include seasonal revolving lines of credit, working capital loans, equipment financing (including equipment leases), and term loans.  Also included in commercial and industrial loans are loans partially guaranteed by the U.S. Small Business Administration ("SBA"), and loans under various programs and agencies.

Commercial construction loans increased by $12.4 million, or 6%, since December 31, 2015, and increased 16% as compared to September 30, 2015. Commercial construction loans include the development of residential housing and condominium projects, the development of commercial and industrial use property and loans for the purchase and improvement of raw land.

Retail loan balances increased by $10.0 million, or 4%, since December 31, 2015, and have increased by 8% since September 30, 2015.  The increase over the same period in the prior year was primarily within the residential secured portfolios.

At September 30, 2016, commercial loan balances participated out to various banks amounted to $62.4 million, compared to $52.7 million at December 31, 2015, and $51.0 million at September 30, 2015.  These balances participated out to other institutions are not carried as assets on the Company's financial statements. Commercial loans originated by other banks in which the Company is a participating institution are carried at the pro-rata share of ownership and amounted to $86.8 million, $62.3 million and $65.7 million at September 30, 2016, December 31, 2015, and September 30, 2015, respectively. In each case, the participating bank funds a percentage of the loan commitment and takes on the related pro-rata risk. The rights and obligations of each participating bank are divided proportionately among the participating banks in an amount equal to their share of ownership and with equal priority among all banks. Participating loans with other institutions provide banks the opportunity to retain customer relationships and reduce credit risk exposure among each participating bank, while providing customers with larger credit vehicles than the individual bank might be willing or able to offer independently.

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See Note 3, "Loans," to the Company's unaudited consolidated interim financial statements contained in Item 1 for information on loans serviced for others and loans pledged as collateral.

Credit Risk

Inherent in the lending process is the risk of loss due to customer non-payment, or "credit risk." The Company's commercial lending focus may entail significant additional credit risks compared to long-term financing on existing, owner-occupied residential real estate.  The Company seeks to lessen its credit risk exposure by managing its loan portfolio to avoid concentration by industry and loan size, and through sound underwriting practices and the risk management function; however, management recognizes that loan losses will occur and that the amount of these losses will fluctuate depending on the risk characteristics of the loan portfolio and economic conditions.

The credit risk management function focuses on a wide variety of factors, including, among others, current and expected economic conditions, the real estate market, the financial condition of borrowers, the ability of borrowers to adapt to changing conditions or circumstances affecting their business and the continuity of borrowers' management teams.  Early detection of credit issues is critical to minimize credit losses. Accordingly, management regularly monitors these factors, among others, through ongoing credit reviews by the Credit Department, an external loan review service, reviews by members of senior management, as well as reviews by the Loan Committee and the Board of Directors. This review includes the assessment of internal credit quality indicators such as the risk classification of loans, individual review of problem assets, past due and non-accrual loans, impaired and restructured loans, and the level of foreclosure activity, as well as trends in the general levels of these indicators.

The Company's loan risk rating system classifies loans depending on risk of loss characteristics.  The classifications range from "substantially risk free" for the highest quality loans and loans that are secured by cash collateral, through a satisfactory range of "minimal," "moderate," "better than average," and "average" risk, to the regulatory problem-asset classification of "criticized," for loans that may need additional monitoring, and the more severe adverse classifications of "substandard," "doubtful," and "loss" based on criteria established under banking regulations.  Loans classified as "substandard" include those characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Loans classified as "doubtful" have all the weaknesses inherent in a substandard rated loan with the added characteristic that the weaknesses make collection or full payment from liquidation, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.  Loans classified as "loss" are generally considered uncollectible at present, although long term recovery of part or all of loan proceeds may be possible.  These "loss" loans would require a specific loss reserve or charge-off. Adversely classified loans may be accruing or in non-accrual status and may be additionally designated as restructured and/or impaired, or some combination thereof. Loans which are evaluated to be of weaker credit quality are reviewed on a more frequent basis by management.

Loans on which the accrual of interest has been discontinued are designated as non-accrual loans and the classified portions are credit downgraded to one of the adversely classified categories noted above. Accrual of interest on loans is generally discontinued when a loan becomes contractually past due, with respect to interest or principal, by 90 days, or when reasonable doubt exists as to the full and timely collection of interest or principal. When a loan is placed on non-accrual status, all interest previously accrued but not collected is reversed against current period interest income. Interest accruals are resumed on such loans only when payments are brought current and have remained current for a period of 180 days or when, in the judgment of management, the collectability of both principal and interest is reasonably assured.  Interest payments received on loans in a non-accrual status are generally applied to principal on the books of the Company.

Impaired loans are individually significant loans for which management considers it probable that not all amounts due (principal and interest) in accordance with original contractual terms will be collected.  The majority of impaired loans are included within the non-accrual balances; however, not every loan in non-accrual status has been designated as impaired. Impaired loans include loans that have been modified in a troubled debt restructuring (or "TDR", see below). Impaired loans exclude large groups of smaller-balance homogeneous loans, such as residential mortgage loans and consumer loans, which are collectively evaluated for impairment, and loans that are measured at fair value, unless the loan is amended in a TDR.

Management does not set any minimum delay of payments as a factor in reviewing for impaired classification.  Management considers the individual payment status, net worth and earnings potential of the borrower, and the value and cash flow of the collateral as factors to determine if a loan will be paid in accordance with its contractual terms.

Impaired loans are individually evaluated for credit loss and a specific allowance reserve is assigned for the amount of the estimated probable credit loss. When a loan is deemed to be impaired, management estimates the credit loss by comparing the loan's carrying value against either 1) the present value of the expected future cash flows discounted at the loan's effective

48

interest rate; 2) the loan's observable market price; or 3) the expected realizable fair value of the collateral, in the case of collateral dependent loans.  A specific allowance is assigned to the impaired loan for the amount of estimated probable credit loss. Impaired loans are charged off, in whole or in part, when management believes that the recorded investment in the loan is uncollectible.

Loans are designated as a TDR when, as part of an agreement to modify the original contractual terms of the loan as a result of financial difficulties of the borrower, the Bank grants the borrower a concession on the terms that would otherwise not be considered.  Typically, such concessions may consist of a reduction in interest rate to a below market rate, taking into account the credit quality of the note, extension of additional credit based on receipt of adequate collateral, or a deferment or reduction of payments (principal or interest), which materially alters the Bank's position or significantly extends the note's maturity date, such that the present value of cash flows to be received is materially less than those contractually established at the loan's origination. All loans that are modified are reviewed by the Company to identify if a TDR has occurred.  TDR loans are included in the impaired loan category and as such, these loans are individually reviewed and evaluated, and a specific reserve is assigned for the amount of the estimated probable credit loss.

An impaired or TDR loan classification will be considered for upgrade based on the borrower's sustained performance over time and their improving financial condition. Consistent with the criteria for returning non-accrual loans to accrual status, the borrower must demonstrate the ability to continue to service the loan in accordance with the original or modified terms and, in the judgment of management, the collectability of the remaining balances, both principal and interest, are reasonably assured. In the case of TDR loans having had a modified interest rate, that rate must be at, or greater than, a market rate for a similar credit at the time of modification for an upgrade to be considered.

Real estate acquired by the Company through foreclosure proceedings or the acceptance of a deed in lieu of foreclosure is classified as OREO. When property is acquired, it is generally recorded at the lesser of the loan's remaining principal balance, net of any unamortized deferred fees, or the estimated fair value of the property acquired, less estimated costs to sell, establishing a new cost basis. The estimated fair value is based on market appraisals and the Company's internal analysis. Any loan balance in excess of the estimated realizable fair value on the date of transfer is charged to the allowance for loan losses on that date. All costs incurred thereafter in maintaining the property, as well as subsequent declines in fair value are charged to non-interest expense.

Non-performing assets are comprised of non-accrual loans, deposit account overdrafts that are more than 90 days past due and OREO.  The designation of a loan or other asset as non-performing does not necessarily indicate that loan principal and interest will ultimately be uncollectible.  However, management recognizes the greater risk characteristics of these assets and therefore considers the potential risk of loss on assets included in this category in evaluating the adequacy of the allowance for loan losses.  Despite prudent loan underwriting, adverse changes within the Company's market area, or deterioration in local, regional or national economic conditions, could negatively impact the Company's level of non-performing assets in the future.

Asset Quality

At September 30, 2016 and December 31, 2015, the Company had adversely classified loans (loans carrying "substandard," "doubtful" or "loss" classifications) amounting to $33.0 million and $24.8 million, respectively. Total adversely classified loans amounted to 1.66% of total loans at September 30, 2016 as compared to 1.33% at December 31, 2015. The increase in adversely classified balances was due primarily to commercial relationships downgraded during the period, as discussed below, partially offset by principal payments and payoffs.

Adversely classified loans that were performing but possessed potential weaknesses and, as a result, could ultimately become non-performing loans amounted to $23.4 million at September 30, 2016 and $11.3 million at December 31, 2015.  The remaining balances of adversely classified loans were non-accrual loans, amounting to $9.6 million and $13.4 million at September 30, 2016 and December 31, 2015, respectively.  Non-accrual loans that were not adversely classified amounted to $254 thousand and $402 thousand at September 30, 2016 and December 31, 2015, respectively, and primarily represented the guaranteed portions of non-performing SBA loans. In the current period, the credit ratings of four larger commercial relationships with aggregate net carrying value of approximately $17.5 million were downgraded to criticized or adverse risk-ratings, based on a review of their individual business circumstances, including one commercial relationship additionally designated as impaired. Although some weaknesses had been identified necessitating the downgrades, these loans continued to perform in accordance with their original terms.

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The following table sets forth information regarding non-performing assets, TDR loans and delinquent loans 60-89 days past due as to interest or principal, held by the Company at the dates indicated:

(Dollars in thousands)	September 30, 2016			December 31, 2015			September 30, 2015
Non-Accrual loan summary:
Commercial real estate	$	5,639		$	8,506		$	8,762
Commercial and industrial	3,128			4,323			4,673
Commercial construction	209			335			329
Residential	297			366			436
Home equity	607			288			206
Consumer	—			19			39
Total non-accrual loans	9,880			13,837			14,445
Overdrafts > 90 days past due	8			8			7
Total non-performing loans	9,888			13,845			14,452
OREO	—			—			—
Total non-performing assets	$	9,888		$	13,845		$	14,452
Total Loans	$	1,985,854		$	1,859,962		$	1,790,608
Accruing TDR loans not included above	$	18,917		$	10,053		$	8,418
Delinquent loans 60-89 days past due and still accruing	$	572		$	2,021		$	2,404
Loans 60-89 days past due and still accruing to total loans	0.03		%	0.11		%	0.13		%
Adversely classified loans to total loans	1.66		%	1.33		%	1.32		%
Non-performing loans to total loans	0.50		%	0.74		%	0.81		%
Non-performing assets to total assets	0.40		%	0.61		%	0.66		%
Allowance for loan losses	$	31,589		$	29,008		$	28,130
Allowance for loan losses to non-performing loans	319.47		%	209.52		%	194.64		%
Allowance for loan losses to total loans	1.59		%	1.56		%	1.57		%

The net decrease in total non-performing loans, and the resulting decrease in the ratio of non-performing loans as a percentage of total loans outstanding, was due primarily to several larger commercial loan payoffs and principal payments, partially offset by additional loans added to non-accrual status during the period. The majority of non-accrual loans were also carried as impaired loans during the periods and the changes since December are discussed further below.

Total impaired loans amounted to $28.7 million and $23.7 million at September 30, 2016 and December 31, 2015, respectively.  Total accruing impaired loans amounted to $19.0 million and $10.1 million at September 30, 2016 and December 31, 2015, respectively, while non-accrual impaired loans amounted to $9.7 million and $13.6 million as of September 30, 2016 and December 31, 2015, respectively. The increase in impaired loans was primarily due to one large commercial relationship with a net carrying value of approximately $7.8 million, which was downgraded to an adverse risk-rating and also designated as accruing-impaired, based on a review of its individual business circumstances, partially offset by principal pay-downs, credit upgrades, and charge-offs during the period.

In management's opinion, the majority of impaired loan balances at September 30, 2016 and December 31, 2015 were supported by expected future cash flows or, for those collateral dependent loans, the net realizable value of the underlying collateral. Based on management's assessment at September 30, 2016, impaired loans totaling $22.7 million required no specific reserves and impaired loans totaling $6.0 million required specific reserve allocations of $2.0 million.  At December 31, 2015, impaired loans totaling $19.1 million required no specific reserves and impaired loans totaling $4.6 million required specific reserve allocations of $1.8 million.  Management closely monitors these relationships for collateral or credit deterioration.

Total TDR loans included in the impaired loan amounts above as of September 30, 2016 and December 31, 2015 were $24.1 million and $17.1 million, respectively.  The increase in TDR loans was primarily due to the impaired commercial relationship noted above, with a net carrying value of approximately $7.8 million, also being designated as a TDR. TDR loans on accrual

50

status amounted to $18.9 million and $10.1 million at September 30, 2016 and December 31, 2015, respectively. TDR loans included in non-performing loans amounted to $5.2 million and $7.1 million at September 30, 2016 and December 31, 2015, respectively.  The Company continues to work with commercial relationships and enters into loan modifications to the extent deemed to be necessary or appropriate while attempting to achieve the best mutual outcome given the individual financial circumstances and future prospects of the borrower.

The Company carried no OREO at either September 30, 2016 or December 31, 2015. There were no sales on OREO during the nine months endedSeptember 30, 2016; there were also no additions to OREO, or subsequent impairment write-downs during the period. During the nine months endedSeptember 30, 2015, the Company recorded $154 thousand of net gains on OREO sales; there were no subsequent write downs of OREO during that period.

Management believes that the loan portfolio continued to experience a level of modest credit stabilization during the 2016 period. However, management believes that the general credit profile of the portfolio and individual commercial relationships will continue to be affected by lagging effects that the economic environment has had on the regional and local commercial markets.

Allowance for Loan Losses

On a quarterly basis, management prepares an estimate of the allowance necessary to cover estimated probable credit losses.  The allowance for loan losses is an estimate of probable credit risk inherent in the loan portfolio as of the specified balance sheet dates.  The Company maintains the allowance at a level that it deems adequate to absorb all reasonably anticipated probable losses from specifically known and other credit risks associated with the portfolio.

In making its assessment on the adequacy of the allowance, management considers several quantitative and qualitative factors that could have an effect on the credit quality of the portfolio including individual assessment of larger and high risk credits, delinquency trends and the level of non-performing loans, impaired, adversely classified, and restructured loans, net charge-offs, the growth and composition of the loan portfolio, expansion in geographic market area, the experience level of lenders and changes in underwriting criteria, and the strength of the local and national economy, among other factors.  Except for loans specifically identified as impaired, as discussed above, the estimate is a two-tiered approach that allocates loan loss reserves to "regulatory problem assets" loans by classified credit rating and to non-classified loans by credit type.  The general loss allocations take into account the quantitative historic loss experience, qualitative factors such as those identified above, as well as regulatory guidance and industry data. The allowance for loan losses is established through a provision for loan losses, which is a direct charge to earnings.  Loan losses are charged against the allowance when management believes that the collectability of loan principal is unlikely.  Recoveries on loans previously charged off are credited to the allowance.

Management closely monitors the credit quality of individual delinquent and non-performing relationships, industry concentrations, the local and regional real estate market and current economic conditions.  The level of delinquent and non-performing assets is largely a function of economic conditions and the overall banking environment.  Despite prudent loan underwriting, adverse changes within the Company's market area, or deterioration in the local, regional or national economic conditions could negatively impact the Company's level of non-performing assets in the future.

Management continues to closely monitor the necessary allowance levels, including specific reserves. The allowance for loan losses to total loans ratio was 1.59% at September 30, 2016, 1.56% at December 31, 2015, and 1.57% at September 30, 2015. In the current period, the credit ratings of three larger commercial relationships were downgraded to "criticized" or "adverse" risk-ratings, based on a review of their individual business circumstances, requiring higher levels of reserves in the current period which increased the allowance to total loan ratio compared to December 31, 2015.

Based on the foregoing, as well as management's judgment as to the existing credit risks inherent in the loan portfolio, as discussed above under the headings "Credit Risk" and "Asset Quality," management believes that the Company's allowance for loan losses is adequate to absorb probable losses from specifically known and other probable credit risks associated with the portfolio as of September 30, 2016.

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The following table summarizes the activity in the allowance for loan losses for the periods indicated:

	Nine Months Ended September 30,
(Dollars in thousands)	2016			2015
Balance at beginning of year	$	29,008		$	27,121
Provision charged to operations	2,503			2,100
Recoveries on charged-off loans:
Commercial real estate	20			5
Commercial and industrial	637			232
Commercial construction	—			25
Residential	—			—
Home equity	2			15
Consumer	4			14
Total recoveries	663			291
Charged-off loans
Commercial real estate	179			108
Commercial and industrial	354			1,201
Commercial construction	5			—
Residential	—			—
Home equity	5			—
Consumer	42			73
Total Charged off	585			1,382
Net loans charged-off (recovered)	(78		)	1,091
Ending Balance	$	31,589		$	28,130
Annualized net loans charged-off (recovered): Average loans outstanding	(0.01		)%	0.09		%

Refer to "Credit Risk," "Asset Quality" and "Allowance for Loan Losses" contained in Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations," included in the Company's 2015 Annual Report on Form 10-K for additional information regarding the Company's credit risk management process and allowance for loan losses.

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Deposits

The following table sets forth the deposit balances by certain categories at the dates indicated and the percentage of each category to total deposits.

	September 30, 2016				December 31, 2015				September 30, 2015
(Dollars in thousands)	Amount		Percent		Amount		Percent		Amount		Percent
Non-interest bearing demand deposits	$	645,907	29.1	%	$	570,589	28.3	%	$	559,367	28.5	%
Interest bearing checking	346,957		15.6	%	313,674		15.5	%	320,579		16.3	%
Total checking	992,864		44.7	%	884,263		43.8	%	879,946		44.8	%
Savings	181,653		8.2	%	167,304		8.3	%	168,175		8.6	%
Money markets	815,861		36.7	%	692,114		34.3	%	638,029		32.5	%
Total savings/money markets	997,514		44.9	%	859,418		42.6	%	806,204		41.1	%
Certificates of deposit	171,891		7.7	%	167,697		8.3	%	165,554		8.4	%
Total non-brokered deposits(1)	2,162,269		97.3	%	1,911,378		94.7	%	1,851,704		94.3	%
Brokered deposits (2)	59,340		2.7	%	106,770		5.3	%	111,911		5.7	%
Total deposits	$	2,221,609	100.0	%	$	2,018,148	100.0	%	$	1,963,615	100.0	%

__________________________________________

⁽¹⁾  Includes reciprocal money market deposits and CDs received from participating banks in nationwide networks as a result of our customers electing to participate in programs to obtain full FDIC insurance. Essentially, the equivalent of the original deposit comes back to the Company as non-brokered deposits within the appropriate category under total deposits on the balance sheet.

⁽²⁾  Primarily brokered CDs $250,000 and under.

As of September 30, 2016, deposits, excluding brokered deposits, increased $250.9 million, or 13%, since December 31, 2015, and $310.6 million, or 17%, since September 30, 2015. Non-brokered deposit growth since December 31, 2015 occurred in all deposit categories with the largest growth noted in money markets and checking accounts.

Wholesale funding, which includes brokered deposits and borrowed funds, amounted to $60.0 million at September 30, 2016, compared to $160.4 million at December 31, 2015, a decrease of $100.4 million, or 63%. Wholesale funding has declined as deposit growth has exceeded loan growth.

From time to time, management utilizes brokered deposits as cost effective wholesale funding sources to support continued loan growth and as part of the Company's asset-liability management strategy to protect against rising rates. Brokered deposits may be comprised of overnight money market deposits and selected term CDs gathered from nationwide bank networks or from large money center banks; however, at September 30, 2016, December 31, 2015, and September 30, 2015 brokered deposits were comprised only of brokered CDs. Brokered CDs decreased $47.4 million, or 44%, during the nine months endedSeptember 30, 2016. Brokered CDs outstanding at September 30, 2016 had a weighted average remaining life of approximately 1.7 years.

Borrowed Funds and Subordinated Debt

Borrowed funds amounted to $671 thousand at September 30, 2016, compared to $53.7 million at December 31, 2015 and $24.2 million at September 30, 2015. Borrowed fund balances have declined $53.0 million, since year end as deposit growth has outpaced loan growth.

At September 30, 2016 and September 30, 2015, borrowed funds consisted of FHLB borrowings only. At December 31, 2015, the borrowed funds balance was comprised of FHLB borrowings of $40.7 million and an overnight borrowing with a correspondent bank, totaling $13.0 million.

At September 30, 2016, the Bank had the capacity to borrow additional funds from the FHLB of up to approximately $433.0 million and capacity to borrow from the FRB Discount Window of approximately $117.0 million.

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The Company also had $14.8 million of outstanding subordinated debt at September 30, 2016, December 31, 2015 and September 30, 2015, which consisted of $15.0 million in aggregate principal amount of Fixed-to-Floating Rate Subordinated Notes (the "Notes") issued in January 2015, in a private placement to an accredited investor. The Notes, which are intended to qualify as Tier 2 capital for regulatory purposes, mature on January 30, 2030 (the "Maturity Date") and are callable by the Company, subject to regulatory approval, at a premium beginning January 30, 2020 and at par beginning January 30, 2025. The Notes pay interest at a fixed rate of 6.00% per annum through January 30, 2025 and beginning on January 31, 2025 through the Maturity Date, or any early redemption date, the interest rate on the Notes will adjust monthly at an interest rate of 3.90% plus 30-day LIBOR. Original debt issuance costs were $190 thousand and have been netted against the subordinated debt on the balance sheet in accordance with accounting guidance which the Company adopted in the first quarter of 2015. These costs are being amortized over the life of the Notes.

In March 2015, the Company used the net proceeds from the $15.0 million in Notes to pay off its outstanding debt of $10.8 million. See also Note 6, "Borrowed Funds and Subordinated Debt," to the Company's unaudited consolidated interim financial statements contained in Item 1 above for further information regarding the Company's previous debt.

Liquidity

Liquidity is the ability to meet cash needs arising from, among other things, fluctuations in loans, investments, deposits and borrowings.  Liquidity management is the coordination of activities so that cash needs are anticipated and met readily and efficiently.  The Company's liquidity policies are set and monitored by the Company's Board of Directors.  The Company's asset-liability objectives are to engage in sound balance sheet management strategies, maintain liquidity, provide and enhance access to a diverse and stable source of funds, provide competitively priced and attractive products to customers and conduct funding at a low cost relative to current market conditions.  Funds gathered are used to support current commitments, to fund earning asset growth, and to take advantage of selected leverage opportunities.

The Company's liquidity is maintained by projecting cash needs, balancing maturing assets with maturing liabilities, monitoring various liquidity ratios, monitoring deposit flows, maintaining cash flow within the investment portfolio, and maintaining wholesale funding resources. 

At September 30, 2016, the Company's wholesale funding sources included borrowing capacity at the FHLB and brokered deposits. In addition, the Company maintains fed fund purchase arrangements with correspondent banks and access to the FRB Discount Window.

Management believes that the Company has adequate liquidity to meet its obligations. However, if, as a result of general economic conditions or other events, these sources of external funding become restricted or are eliminated, the Company may not be able to raise adequate funds or may incur substantially higher funding costs or operating restrictions in order to raise the necessary funds to support the Company's operations and growth.

The Company has in the past also increased capital and liquidity by offering shares of the Company's common stock for sale to its existing stockholders and new investors. See "Capital Resources," below for information on the Company's recent share offering.

Capital Resources

The Company believes its current capital is adequate to support ongoing operations.  As of September 30, 2016, the Company met the definition of "well capitalized" under the applicable Federal Reserve Board regulations and the Bank qualified as "well capitalized" under the prompt corrective action regulations of Basel III and the FDIC.

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Effective January 1, 2015, the Company and the Bank implemented the Basel III regulatory capital framework. The current regulatory requirements, and the Company's and the Bank's actual capital amounts and ratios are presented as of September 30, 2016 in the tables below.

	Actual				Minimum Capital for Capital Adequacy Purposes				Minimum Capital To Be Well Capitalized*
(Dollars in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
The Company
Total Capital (to risk weighted assets)	$	246,392	11.74	%	$	167,927	8.00	%	N/A		N/A
Tier 1 Capital (to risk weighted assets)	$	204,395	9.74	%	$	125,945	6.00	%	N/A		N/A
Tier 1 Capital (to average assets) or Leverage ratio	$	204,395	8.41	%	$	97,176	4.00	%	N/A		N/A
Common equity tier 1 capital (to risk weighted assets)	$	204,395	9.74	%	$	94,459	4.50	%	N/A		N/A
The Bank
Total Capital (to risk weighted assets)	$	245,262	11.68	%	$	167,923	8.00	%	$	209,904	10.00	%
Tier 1 Capital (to risk weighted assets)	$	218,096	10.39	%	$	125,942	6.00	%	$	167,923	8.00	%
Tier 1 Capital (to average assets) or Leverage ratio	$	218,096	8.98	%	$	97,174	4.00	%	$	121,467	5.00	%
Common equity tier 1 capital (to risk weighted assets)	$	218,096	10.39	%	$	94,457	4.50	%	$	136,437	6.50	%

*For the Bank to qualify as “well capitalized," it must maintain at least the minimum ratios listed.  These requirements do not apply to the Company.

Under Basel III, capital ratio requirements for all banking organizations increased and include a "capital conservation buffer," which is being phased in through 2019, and is in addition to each risk-weighted capital ratio at a level of 2.50%. If a banking organization dips into its capital conservation buffer it may be restricted in its ability to pay dividends and discretionary bonus payments to its executive officers. The capital conservation buffer requirement phase in began in January 2016 at 0.625% of risk-weighted assets and will increase by that amount each year until fully implemented in January 2019.

The Basel III minimum capital ratio requirements as applicable to the Company and the Bank in 2019 after the full phase-in period are summarized in the table below:

	Basel III Minimum for Capital Adequacy Purposes	Basel III Additional Capital Conservation Buffer	Basel III "Adequate" Ratio with Capital Conservation Buffer
(Dollars in thousands)
Total Capital (to risk weighted assets)	8.00%	2.50%	10.50%
Tier 1 Capital (to risk weighted assets)	6.00%	2.50%	8.50%
Tier 1 Capital (to average assets) or Leverage ratio	4.00%	—%	4.00%
Common equity tier 1 capital (to risk weighted assets)	4.50%	2.50%	7.00%

In the second quarter of 2016, the Company completed a combined shareholder subscription rights offering and supplemental community offering, at an offering price of $21.50 per share, under its $40 million shelf registration statement that expired in September 2016. The Company issued 930 thousand shares of common stock and received gross proceeds of $20.0 million ($19.7 million, net of offering costs). The Company contributed the net proceeds to the Bank to support future asset growth and for general corporate purposes.

The Company maintains a dividend reinvestment plan and direct stock purchase plan (the "DRSPP"). The DRSPP enables stockholders, at their discretion, to elect to reinvest cash dividends paid on their shares of the Company's common stock by purchasing additional shares of common stock from the Company at a purchase price equal to fair market value.  Under the DRSPP, stockholders and new investors also have the opportunity to purchase shares of the Company's common stock without brokerage fees, subject to monthly minimums and maximums.

For the nine months endedSeptember 30, 2016, the Company paid $4.2 million in cash dividends. Stockholders utilized the dividend reinvestment portion of the DRSPP to purchase an aggregate of 42,509 shares of the Company's common stock totaling $1.0 million. The direct purchase component of the DRSPP was used by stockholders to purchase 1,313 shares of the Company's common stock totaling $31 thousand during the nine months endedSeptember 30, 2016.

55

On October 18, 2016, the Company announced a quarterly dividend of $0.13 per share to be paid on December 1, 2016 to stockholders of record as of November 10, 2016. The 2016 dividend rate represents a 4.0% increase over the 2015 dividend rate.

Assets Under Management

Total assets under management, includes total assets, investment assets under management, and loans serviced for others. Investment assets under management and loans serviced for others are not carried as assets on the Company's balance sheet.

The Company provides a wide range of investment advisory and wealth management services, including brokerage, trust, and investment management (together, "investment advisory services").  Also included in the investment assets under management total are customers' commercial sweep arrangements that are invested in third-party money market mutual funds.

Investment assets under management, which are carried at fair market value, increased $31.4 million, or 5%, since December 31, 2015 and increased $37.7 million, or 6%, since September 30, 2015. 

Total assets under management increased $226.3 million, or 7%, since December 31, 2015 and $325.2 million, or 11% since September 30, 2015.

The following table sets forth the value of assets under management and its components at the dates indicated.

(Dollars in thousands)	September 30, 2016		December 31, 2015		September 30, 2015
Total assets	$	2,470,849	$	2,285,531	$	2,195,314
Loans serviced for others	80,836		71,272		68,891
Investment assets under management	709,781		678,377		672,076
Total assets under management	$	3,261,466	$	3,035,180	$	2,936,281

Results of Operations

Three Months Ended September 30, 2016 vs. Three Months Ended September 30, 2015

Unless otherwise indicated, the reported results are for the three months ended September 30, 2016 with the "same period," the "comparable period," and "prior period" being the three months ended September 30, 2015. Average yields are presented on a tax equivalent basis.

The Company's third quarter 2016 net income amounted to $4.7 million, compared to $4.3 million for the same period in 2015, an increase of $422 thousand, or 10%.  Diluted earnings per common share were $0.41 for both the three months ended September 30, 2016 and September 30, 2015. Diluted earnings per share for the quarter ended September 30, 2016 fully includes the dilutive impact of the share offering.

Net Interest Income

The Company's net interest income for the quarter ended September 30, 2016 amounted to $21.8 million, compared to $20.0 million for the quarter ended September 30, 2015, an increase of $1.9 million, or 9%.  The increase in net interest income over the comparable period was due primarily to revenue generated from loan growth.

Net Interest Margin

The Company's tax equivalent net interest margin ("margin") was 3.86% for the three months ended September 30, 2016 compared to 3.98% for the quarter ended September 30, 2015.  The third quarter of 2016 was impacted by higher balances in low-yielding interest-earning assets from short-term customer deposits.

56

Rate / Volume Analysis

The following table sets forth the extent to which changes in interest rates and changes in the average balances of interest-earning assets and interest-bearing liabilities have affected interest income and expense during the three months ended September 30, 2016 compared to the three months ended September 30, 2015.  For each category of interest-earning assets and interest-bearing liabilities, information is provided on changes attributable to: (1) volume (change in average portfolio balance multiplied by prior period average rate); (2) interest rate (change in average interest rate multiplied by prior period average balance); and (3) rate and volume (the remaining difference).

				Increase (decrease) due to
(Dollars in thousands)	Net Change			Volume			Rate			Rate/ Volume
Interest Income
Loans and loans held for sale	$	1,681		$	2,120		$	(275	)	$	(164	)
Investment securities	252			349			(7		)	(90		)
Other interest earning assets (1)	34			95			(24		)	(37		)
Total interest earnings assets	1,967			2,564			(306		)	(291		)
Interest Expense
Interest checking, savings and money market	122			91			28			3
Certificates of deposit	39			5			33			1
Brokered CDs	(45		)	(96		)	87			(36		)
Borrowed funds	(8		)	(9		)	11			(10		)
Subordinated debt	2			—			1			1
Total interest-bearing funding	110			(9		)	160			(41		)
Change in net interest income	$	1,857		$	2,573		$	(466	)	$	(250	)

__________________________________________

⁽¹⁾  Income on other interest-earning assets includes interest on deposits and fed funds sold, and dividends on FHLB Stock.

57

The following table presents the Company's average balance sheet, net interest income and average rates for the three months ended September 30, 2016 and 2015.

AVERAGE BALANCES, INTEREST AND AVERAGE YIELDS

	Three Months Ended September 30, 2016						Three Months Ended September 30, 2015
(Dollars in thousands)	Average Balance		Interest		Average Yield(1)		Average Balance		Interest		Average Yield(1)
Assets:
Loans and loans held for sale (2)	$	1,945,196	$	21,466	4.45	%	$	1,759,611	$	19,785	4.52	%
Investments (3)	319,844		1,629		2.65	%	267,364		1,377		2.66	%
Other interest earning assets (4)	67,111		96		0.57	%	26,614		62		0.93	%
Total interest earnings assets	2,332,151		23,191		4.09	%	2,053,589		21,224		4.23	%
Other assets	108,485						92,629
Total assets	$	2,440,636					$	2,146,218
Liabilities and stockholders' equity:
Int chkg, savings and money market	$	1,300,326	653		0.20	%	$	1,109,271	531		0.19	%
Certificates of deposit	171,105		297		0.69	%	167,333		258		0.61	%
Brokered CDs	65,688		188		1.14	%	111,900		233		0.83	%
Borrowed funds	1,095		2		0.77	%	10,544		10		0.36	%
Subordinated debt (5)	14,829		234		6.26	%	14,817		232		6.24	%
Total interest-bearing funding	1,553,043		1,374		0.35	%	1,413,865		1,264		0.35	%
Net interest rate spread					3.74	%					3.88	%
Demand deposits	656,158		—				543,360		—
Total deposits, borrowed funds and subordinated debt	2,209,201		1,374		0.25	%	1,957,225		1,264		0.26	%
Other liabilities	17,224						14,427
Total liabilities	2,226,425						1,971,652
Stockholders' equity	214,211						174,566
Total liabilities and stockholders' equity	$	2,440,636					$	2,146,218
Net interest income			$	21,817					$	19,960
Net interest margin (tax equivalent)					3.86	%					3.98	%

__________________________________________

⁽¹⁾  Average yields are presented on a tax equivalent basis.  The tax equivalent effect associated with loans and investments, which was not included in the interest amount above, was $778 thousand and $634 thousand for the quarters ended September 30, 2016 and September 30, 2015, respectively.

⁽²⁾  Average loans and loans held for sale include non-accrual loans and are net of average deferred loan fees.

⁽³⁾  Average investments are presented at average amortized cost.

⁽⁴⁾  Average other interest earning assets include interest earning deposits, fed funds sold and FHLB stock.

⁽⁵⁾  The subordinated debt issued in January 2015 is net of average deferred debt issuance costs.

58

Interest and Dividend Income

For the third quarter of 2016, total interest and dividend income amounted to $23.2 million, an increase of $2.0 million, or 9%, compared to the prior period.  The increase resulted primarily from an increase of $278.6 million, or 14%, in the average balance of interest earning assets, mainly loans, partially offset by a 14 basis points decline in the yield.

Interest income on loans and loans held for sale, which accounts for the majority of interest income, amounted to $21.5 million for the three months ended September 30, 2016, an increase of $1.7 million, or 8%, over the comparable period, due primarily to loan growth, partially offset by a 7 basis point decline in loan yields. The average balances of loans and loans held for sale increased$185.6 million, or 11%, for the three months ended September 30, 2016 compared to the same period in 2015.

Income on investment securities amounted to $1.6 million, an increase of $252 thousand, or 18%, compared to the same period in 2015. This increase primarily resulted from an increase of $52.5 million, or 20%, in the average balance of investment securities.

Income on other interest-earning assets amounted to $96 thousand, an increase of $34 thousand, or 55%, compared to the same quarter in the prior year. This increase primarily resulted from a $40.5 millionincrease in the average balance of other interest-earning assets, partially offset by a 36 basis point decrease in the yields. The decline in yield was due in large part to higher balances in low-yielding interest-earning deposits at the Federal Reserve due to short-term customer deposits.

Interest Expense

For the three months ended September 30, 2016, total interest expense amounted to $1.4 million, an increase of $110 thousand, or 9%, compared to the prior period. The increase in interest expense was primarily due to higher average balances in interest checking, savings and money market accounts.

Interest expense on interest checking, savings and money market accounts amounted to $653 thousand, an increase of $122 thousand, or 23%, compared to the same prior year period due primarily to an increase in average balances of $191.1 million, or 17%.

Interest expense on CDs amounted to $297 thousand, and increase of $39 thousand, or 15%, compared to the same period in the prior period, primarily due to a change in rates. The average rate increased8 basis points and amounted to 0.69%.

Interest expense on brokered CDs amounted to $188 thousand, a decrease of $45 thousand, or 19%, compared to the comparable period in 2015, due primarily to a decrease in average balances, partially offset by an increase in average rates. Average balances decreased $46.2 million, or 41%, while average rates increased 31 basis points. Changes in both the average balances and average rates are due to the maturities of lower yielding shorter-term brokered CDs.

For the three months ended September 30, 2016, the average balance of non-interest bearing demand deposits increased $112.8 million, or 21%, as compared to the same period in 2015.  Non-interest bearing demand deposits are an important component of the Company's core funding strategy.  This non-interest bearing funding source represented 30% of total average deposit balances for the three months ended September 30, 2016, compared to 28% for the three months ended September 30, 2015, respectively.

Provision for Loan Loss

The provision for loan losses amounted to $1.4 million for three months ended September 30, 2016, an increase of $1.1 million compared to the same period last year.  The increase in the provision for 2016 was due primarily to credit downgrades (partially offset by a lower level of charge-offs) and the higher level of loan growth during the 2016 period, as compared to the 2015 period. In determining the provision to the allowance for loan losses, management takes into consideration the level of loan growth and an estimate of credit risk, which includes such items as adversely classified and non-performing loans, the estimated specific reserves needed for impaired loans, the level of net charge-offs, and the estimated impact of current economic conditions on credit quality.

59

The provision for loan losses is a significant factor in the Company's operating results. For further discussion regarding the provision for loan losses and management's assessment of the adequacy of the allowance for loan losses see "Credit Risk," "Asset Quality," and "Allowance for Loan Losses" under "Financial Condition" in this Item 2 above, and "Credit Risk," "Asset Quality," and "Allowance for Loan Losses" in the Financial Condition section of Management's Discussion and Analysis of Financial Condition and Results of Operations in the Company's 2015 Annual Report on Form 10-K. There have been no material changes to the Company's underwriting practices or to the allowance for loan loss methodology used to estimate loan loss exposure as reported in the Company's 2015 Annual Report on Form 10-K.

Non-Interest Income

Non-interest income for the three months ended September 30, 2016 amounted to $3.9 million, an increase of $764 thousand, or 24%, as compared to the same period. The significant changes are discussed below:

• Net gains on sales of investment securities increased$539 thousand. Investment sales are typically driven by market opportunities.

• Loans sold generated net gains on loan sales of $198 thousand and $89 thousand for the three months ended September 30, 2016 and 2015, respectively. The increase in gains on loan sales was primarily driven by increased loan volume in the current quarter.

Non-Interest Expense

Non-interest expense for the three months ended September 30, 2016 amounted to $17.4 million, an increase of $866 thousand, or 5%, compared to the same period in 2015. The significant changes are discussed below:

• Salaries and employee benefits increased$693 thousand, or 7%, to support the Company's strategic growth and market expansion initiatives since the prior period.

• Technology and telecommunications expense increased$149 thousand, or 10%, primarily as a result of investments to support our strategic growth, network infrastructure and security, improve our service capabilities and enhance business continuity.

• Audit, legal and other professional costs decreased$118 thousand, or 21%, due to lower other professional and audit costs in the current quarter.

Results of Operations

Nine Months Ended September 30, 2016 vs. Nine Months Ended September 30, 2015

Unless otherwise indicated, the reported results are for the nine months ended months ended September 30, 2016 with the "same period," the "comparable period," "prior year," and "prior period" being the nine months ended months ended September 30, 2015. Average yields are presented on a tax equivalent basis.

The Company's net income for the nine months endedSeptember 30, 2016 amounted to $13.8 million compared to $11.4 million for the same period in 2015, an increase of $2.4 million, or 21%.  Diluted earnings per share were $1.27 and $1.10 for the nine months endedSeptember 30, 2016 and September 30, 2015, respectively, an increase of 15%. In 2016, diluted earnings per share includes the dilutive impact of the share offering from June 23 to September 30.

Net Interest Income

The Company's net interest income for the nine months endedSeptember 30, 2016 was $64.2 million compared to $57.6 million for the nine months endedSeptember 30, 2015, an increase of $6.6 million, or 11%.  The increase in net interest income over the comparable period was due primarily to revenue generated from loan growth.

Net Interest Margin

The Company's margin was 3.96% for the nine months endedSeptember 30, 2016, compared to 3.97% for the nine months endedSeptember 30, 2015.

60

Rate / Volume Analysis

The following table sets forth the extent to which changes in interest rates and changes in the average balances of interest-earning assets and interest-bearing liabilities have affected interest income and expense during the nine months endedSeptember 30, 2016 compared to the nine months endedSeptember 30, 2015.  For each category of interest-earning assets and interest-bearing liabilities, information is provided on changes attributable to: (1) volume (change in average portfolio balance multiplied by prior period average rate); (2) interest rate (change in average interest rate multiplied by prior period average balance); and (3) rate and volume (the remaining difference).

				Increase (decrease) due to
(Dollars in thousands)	Net Change			Volume			Rate			Rate/ Volume
Interest Income
Loans and loans held for sale	$	5,841		$	6,196		$	(115	)	$	(240	)
Investment securities	895			1,148			56			(309		)
Other interest earning assets (1)	52			20			28			4
Total interest earnings assets	6,788			7,364			(31		)	(545		)
Interest Expense
Interest checking, savings and money market	279			237			—			42
Certificates of deposit	85			(14		)	103			(4		)
Brokered CDs	(72		)	(204		)	180			(48		)
Borrowed funds	47			19			18			10
Subordinated debt	(142		)	(56		)	(91		)	5
Total interest-bearing funding	197			(18		)	210			5
Change in net interest income	$	6,591		$	7,382		$	(241	)	$	(550	)

_________________________________

⁽¹⁾  Income on other interest-earning assets includes interest on deposits and fed funds sold, and dividends on FHLB Stock.

61

The following table presents the Company's average balance sheet, net interest income and average rates for the nine months ended months ended September 30, 2016 and 2015. 

AVERAGE BALANCES, INTEREST AND AVERAGE YIELDS

	Nine months ended September 30, 2016						Nine months ended September 30, 2015
(Dollars in thousands)	Average Balance		Interest		Average Yield(1)		Average Balance		Interest		Average Yield(1)
Assets:
Loans and loans held for sale (2)	$	1,897,372	$	63,379	4.52	%	$	1,715,527	$	57,538	4.53	%
Investments (3)	307,203		4,720		2.67	%	249,236		3,825		2.64	%
Other interest earning assets (4)	35,544		189		0.71	%	30,937		137		0.59	%
Total interest earnings assets	2,240,119		68,288		4.21	%	1,995,700		61,500		4.23	%
Other assets	104,158						91,299
Total assets	$	2,344,277					$	2,086,999
Liabilities and stockholders' equity:
Int chkg, savings and money market	$	1,231,888	1,866		0.20	%	$	1,073,759	1,587		0.20	%
Certificates of deposit	168,911		842		0.67	%	172,125		757		0.59	%
Brokered CDs	80,782		617		1.02	%	114,338		689		0.81	%
Borrowed funds	19,281		79		0.55	%	12,100		32		0.35	%
Subordinated debt (5)	14,826		695		6.26	%	15,904		837		7.03	%
Total interest-bearing funding	1,515,688		4,099		0.36	%	1,388,226		3,902		0.38	%
Net interest rate spread					3.85	%					3.85	%
Demand deposits	616,686		—				512,181		—
Total deposits, borrowed funds and subordinated debt	2,132,374		4,099		0.26	%	1,900,407		3,902		0.27	%
Other liabilities	15,572						14,566
Total liabilities	2,147,946						1,914,973
Stockholders' equity	196,331						172,026
Total liabilities and stockholders' equity	$	2,344,277					$	2,086,999
Net interest income			$	64,189					$	57,598
Net interest margin (tax equivalent)					3.96	%					3.97	%

_______________________________

⁽¹⁾  Average yields are presented on a tax equivalent basis.  The tax equivalent effect associated with loans and investments, which was not included in the interest amount above, was $2.3 million for the nine months endedSeptember 30, 2016 and $1.7 million for the comparable period in 2015.

⁽²⁾  Average loans and loans held for sale include non-accrual loans and are net of average deferred loan fees.

⁽³⁾  Average investment balances are presented at average amortized cost.

⁽⁴⁾  Average other interest earning assets includes interest-earning deposits, fed funds sold, and FHLB stock.

⁽⁵⁾  The subordinated debt issued in January 2015 is net of average deferred debt issuance costs.

62

Interest and Dividend Income

Total interest and dividend income amounted to $68.3 million for the nine months endedSeptember 30, 2016, an increase of $6.8 million, or 11%, compared to the prior period.  The increase resulted primarily from an increase of $244.4 million, or 12%, in the average balance of interest earning assets, mainly loans, partially offset by a slight decrease in yields of 2 basis points.

Interest income on loans and loans held for sale, which accounts for the majority of interest income, amounted to $63.4 million, an increase of $5.8 million, or 10%, over the comparable period, due primarily to loan growth.  The average loans and loans held for sale balances increased$181.8 million, or 11%, compared to the prior period. The average yield on loans and loans held for sale amounted to 4.52% for the nine months endedSeptember 30, 2016, a decline of 1 basis point since the same period in 2015.

Income on investment securities amounted to $4.7 million, an increase of $895 thousand, or 23%, compared to the same period in 2015. This increase primarily resulted from an increase in the average balance of investment securities by $58.0 million, or 23%. The average yield on investment securities also increased3 basis points.

Income on other interest-earning assets amounted to $189 thousand, an increase of $52 thousand, or 38%, compared to the same quarter in the prior year. This increase resulted from both an increase in rates and average balances. The average yield on other interest-earning assets increased12 basis points and the average balance increased$4.6 million, or 15%.

Interest Expense

For the nine months endedSeptember 30, 2016, total interest expense amounted to $4.1 million, an increase of $197 thousand, or 5% over the same period in 2015 due primarily to increases in the average balances of interest checking, savings and money market accounts, partially offset by lower interest expense associated with the Company's subordinated debt.

Interest expense on interest checking, savings and money market accounts amounted to $1.9 million, an increase of $279 thousand, or 18%, compared to the comparable prior year period due primarily to an increase in average balances of $158.1 million, or 15%.

Interest expense on CDs amounted to $842 thousand, an increase of $85 thousand, or 11%, over the same period in 2015 due primarily to an increase in the average rate of 8 basis points.

Interest expense on brokered CDs amounted to $617 thousand, a decrease of $72 thousand, or 10%, primarily due to a decrease in the average balance, partially offset by an increase in the average rate. The average balance decreased $33.6 million, or 29%, while the average rate increased 21 basis points. Changes in both the average balances and average rates are due to the maturities of lower yielding shorter-term brokered CDs.

Interest expense on borrowed funds amounted to $79 thousand, an increase of $47 thousand due to increases in both the average balances and the average rate. The average balance increased$7.2 million, or 59%, and the average rate increased20 basis points.

Interest expense on subordinated debt amounted to $695 thousand, a decrease of $142 thousand, or 17%, over the same period in 2015. The decrease resulted from a decrease in both the average rate and in the average balance. The average rate declined to 6.26% from 7.03% in the comparable period as a result of the lower rate on the Notes issued in January 2015. The average balances decreased$1.1 million due to the timing of the issuance of the Notes versus the redemption in full in March 2015 of the $10.8 million of outstanding Junior Subordinated debentures that originated in 2000, from the sale of trust preferred securities by Enterprise Capital Trust, a former subsidiary of the Company.

For the nine months endedSeptember 30, 2016, the average balance of non-interest bearing demand deposits increased$104.5 million, or 20%, as compared to the same period in 2015.  Non-interest bearing demand deposits are an important component of the Company's core funding strategy.  This non-interest bearing funding represented 29% and 27% of total average deposit balances for the nine months ended months ended September 30, 2016 and 2015, respectively.

63

Provision for Loan Loss

The provision for loan losses amounted to $2.5 million for the nine months endedSeptember 30, 2016, an increase of $403 thousand compared to the same period last year.  The increase in the provision for 2016 was due primarily to credit downgrades (partially offset by a lower level of charge-offs) and the higher level of loan growth during the 2016 period, as compared to the 2015 period. In determining the provision to the allowance for loan losses, management takes into consideration the level of loan growth and an estimate of credit risk, which includes such items as adversely classified and non-performing loans, the estimated specific reserves needed for impaired loans, the level of net charge-offs, and the estimated impact of current economic conditions on credit quality.

The provision for loan losses is a significant factor in the Company's operating results. For further discussion regarding the provision for loan losses and management's assessment of the adequacy of the allowance for loan losses see "Credit Risk," "Asset Quality," and "Allowance for Loan Losses" under "Financial Condition" in this Item 2 above, and "Credit Risk," "Asset Quality," and "Allowance for Loan Losses" in the Financial Condition section of Management's Discussion and Analysis of Financial Condition and Results of Operations in the Company's 2015 Annual Report on Form 10-K. There have been no material changes to the Company's underwriting practices or to the allowance for loan loss methodology used to estimate loan loss exposure as reported in the Company's 2015 Annual Report on Form 10-K.

There have been no material changes to the Company's underwriting practices or to the allowance for loan loss methodology used to estimate loan loss exposure as reported in the Company's Annual Report on Form 10-K for the year ended December 31, 2015.  The provision for loan losses is a significant factor in the Company's operating results.

Non-Interest Income

Non-interest income for the nine months endedSeptember 30, 2016 amounted to $10.7 million, a decrease of $151 thousand, or 1%, as compared to the nine months endedSeptember 30, 2015, due primarily to a reduction in net gains on sales of investment securities of $752 thousand. Investment sales are typically driven by market opportunities. The changes partially offsetting this decrease are discussed below:

• Deposit and interchange fees increased$215 thousand, or 6% due primarily to an increase in ATM interchange income from higher debit card volume and to a lesser extent an increase in overdraft fees.

• Income on bank-owned life insurance increased$206 thousand, or 58%, due primarily to the purchase of additional BOLI investments in the third quarter of 2015.

Non-Interest Expense

Non-interest expense for the nine months endedSeptember 30, 2016 amounted to $51.8 million, an increase of $2.8 million, or 6%, compared to the same period in 2015.  The significant changes are discussed below:

• Salaries and employee benefits increased by $2.5 million, or 8%, to support the Company's strategic growth and market expansion initiatives since the prior period.

• Technology and telecommunications expense increased$325 thousand, or 8%, primarily as a result of investments to support our strategic growth, network infrastructure and security, improve our service capabilities and enhance business continuity.

• Deposit insurance premiums increased$108 thousand, or 12%, primarily due to the Company's growth.

Income Taxes

The effective tax rate for the nine months endedSeptember 30, 2016 was 33.0%, compared to 34.2% for the nine months endedSeptember 30, 2015. The decline in the effective rate was primarily due to an increase in the level of tax exempt income compared to the same period in the prior year.

64

Recent Accounting Pronouncements

For information regarding recently adopted accounting pronouncements by the Company, see "Accounting pronouncements adopted by the Company" inItem (g) in Note 1, "Summary of Significant Accounting Policies," under the heading "Recent Accounting Pronouncements."

In May 2014, the FASB issued Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers (Topic 606). This ASU is intended to create a single source of revenue guidance which is more principles based than current revenue guidance. The guidance affects any entity that either enters into contracts with customers to transfer goods or services, or enters into contracts for the transfer of non-financial assets, unless those contracts are within the scope of other standards. In August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date" to amend the effective date of ASU 2014-09. The amendments in ASU 2014-09 are effective for annual and interim periods within fiscal years beginning after December 15, 2017. Earlier adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The FASB has since issued additional related ASUs amendments intended to clarify certain aspects and improve understanding of the implementation guidance of Topic 606 but do not change the core principles of the guidance in Topic 606. The effective date and transition requirements for the amendments are the same as the effective date and transition requirements of Topic 606. The Company is currently evaluating the potential impact of the ASU and its amendments on the Company's financial statements and results of operations.

In January 2016, the FASB issued ASU No. 2016-01, "Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities," which updates certain aspects of recognition, measurement, presentation and disclosure of financial instruments.

Among other things, the new guidance:

• Requires 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;

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

• Requires 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.

The new guidance is effective for public companies for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the effects of this ASU on the Company's financial statements and results of operations.

In February 2016, the FASB issued ASU No. 2016-02, "Leases (Topic 842)," which supersedes previous leasing guidance in Topic 840, Leases. Under the new guidance, lessees are required to recognize lease assets and lease liabilities on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. The Company is currently evaluating the effects of this ASU on the Company's financial statements and results of operations.

In March 2016, the FASB issued ASU No. 2016-09, "Compensation - Stock Compensation (Topic 718): Improvement to Employee Share-Based Payment Accounting." The amendments are intended to improve the accounting for employee share-based payments and affect all organizations that issue share-based payment awards to their employees. Several aspects of the accounting are simplified including, generally: a) income tax consequences; b) classification of awards as either equity or liabilities; c) accounting for forfeitures; and d) classification on the statement of cash flows. Among the changes, the amendment allows for entities to partially settle awards in cash up to the maximum individual statutory tax rate in the applicable jurisdiction and still qualify for equity classification; all excess tax benefits and tax deficiencies (including tax benefits of dividends on share-based payment awards) will be recognized as income tax expense or benefit in the income statement; in addition, an entity can make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest (current GAAP) or account for forfeitures when they occur; among other changes. The new standard is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The Company is currently evaluating the potential impact of the ASU on the Company's financial statements and results of operations.

65

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326)." The amendments in this Update require a financial asset (or a group of financial assets) measured at amortized cost basis to be presented at the net amount expected to be collected. Previously, when credit losses were measured under GAAP, an entity generally only considered past events and current conditions in measuring the incurred loss and generally recognition of the full amount of credit losses was delayed until the loss was probable of occurring. The amendments in this Update eliminate the probable initial recognition threshold in current GAAP and, instead, reflect an entity’s current estimate of all expected credit losses.

The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. The income statement reflects the measurement of credit losses for newly recognized financial assets, as well as the expected increases or decreases of expected credit losses that have taken place during the period. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset.

Credit losses on available-for-sale debt securities should be measured in a manner similar to current GAAP. However, the amendments in this Update require that credit losses be presented as an allowance rather than as a write-down. Unlike current GAAP, the Update provides for reversals of credit losses in future period net income in situations where the estimate of loss declines.

An entity will apply the amendments in this Update through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective (that is, a modified-retrospective approach). For public business entities that are SEC filers, such as the Company, the amendments in this Update are effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The Company is currently evaluating the potential impact of the ASU on the Company's financial statements and results of operations.

In August 2016, the FASB issued ASU 2016-15, "Statement of Cashflows - Classification of Certain Cash Receipts and Cash Payments. The amendments are intended to reduce diversity in practice related to the presentation of eight specific cashflow issues. For public business entities that are SEC filers, such as the Company, the amendments in this Update are effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Because this amendment primarily impacts the presentation and classification of information, the Company does not expect it to have a material impact on the Company's financial statements and results of operations.

Item 3 - Quantitative and Qualitative Disclosures About Market Risk

The Company's primary market risk is interest rate risk. Oversight of interest rate risk management is the responsibility of the Board of Directors. Annually, the Board reviews and approves the Company's asset-liability management policy, which provides management with guidelines for controlling interest rate risk, as measured through net interest income sensitivity to changes in interest rates, within certain tolerance levels.  The Board also establishes and monitors guidelines for the Company's liquidity and capital ratios.

The Company's asset-liability management strategies and guidelines are reviewed on a periodic basis by management and presented and discussed with the Board on at least a quarterly basis.  These strategies and guidelines are revised based on changes in interest rate levels, general economic conditions, competition in the marketplace, the current interest rate risk position of the Company, anticipated growth and other factors.

One of the principal factors in maintaining planned levels of net interest income is the ability to design effective strategies to manage the impact of interest rate changes on future net interest income.  Quarterly, management completes a net interest income sensitivity analysis, which is presented to the Board.  This analysis includes a simulation of the Company's net interest income under various interest rate scenarios.  Variations in the interest rate environment affect numerous factors, including prepayment speeds, reinvestment rates, maturities of investments (due to call provisions), and interest rates on various asset and liability accounts.

The Company can be subject to margin compression depending on the economic environment and the shape of the yield curve.  Under the Company's current balance sheet position, the Company's margin generally performs slightly better over time in a rising rate environment, while it generally decreases in a declining rate environment and when the yield curve is flattening or inverted.

66

Under a flattening yield curve scenario, margin compression occurs as the spread between the cost of funding and the yield on interest earning assets narrows.  Under this scenario the degree of margin compression is highly dependent on the Company's ability to fund asset growth through lower cost deposits.  However, if the curve is flattening, while short-term rates are rising, the adverse impact on margin may be somewhat delayed, as increases in the Prime Rate will initially result in the Company's asset yields re-pricing more quickly than funding costs.

Under an inverted yield curve situation, shorter-term rates exceed longer-term rates, and the impact on margin is similar but more adverse than the flat curve scenario.  Again, however, the extent of the impact on margin is highly dependent on the Company's balance sheet mix.

In a declining rate environment, margin compression will eventually occur as the yield on interest earning assets decreases more rapidly than decreases in funding costs.  The primary causes would be the impact of interest rate decreases (including decreases in the Prime Rate) on adjustable rate loans and the fact that decreases in deposit rates may be limited or lag decreases in the Prime Rate. 

Net interest margin remained relatively flat through June 2016, but declined during the third quarter of 2016 primarily due to higher balances in low-yielding interest-earning assets from short-term customer deposits. Additional margin compression may occur if the yield curve continues to flatten and loans re-price downward while the cost of deposits remains at the same level.

There have been no material changes in the results of the Company's net interest income sensitivity analysis as reported in the Company's 2015 Annual Report on Form 10-K.  At September 30, 2016, management continues to consider the Company's primary interest rate risk exposure to be margin compression that may result from changes in interest rates and/or changes in the mix of the Company's balance sheet components.  This would include the mix of fixed versus variable rate loans and investments on the asset side, and higher cost versus lower cost deposits and overnight borrowings versus term borrowings and certificates of deposit on the liability side.

Item 4 - Controls and Procedures

Evaluation of Disclosure Controls and Procedures

The Company maintains a set of disclosure controls and procedures and internal controls designed to ensure that the information required to be disclosed in reports that it files or submits to the SEC under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms.

The Company carried out an evaluation as of the end of the period covered by this report under the supervision and with the participation of the Company's management, including its principal executive officer and principal financial officer, of the effectiveness of the design and operation of the Company's disclosure controls and procedures pursuant to Exchange Act Rule 13a-15(b).  Based upon that evaluation, the Company's principal executive officer and principal financial officer concluded that the Company's disclosure controls and procedures are effective as of September 30, 2016.

Changes in Internal Control over Financial Reporting

There has been no change in the Company's internal control over financial reporting that has occurred during the Company's most recent fiscal quarter (i.e., the three months ended September 30, 2016) that has materially affected, or is reasonably likely to materially affect, the Company's internal control over financial reporting.

67

PART II - OTHER INFORMATION

Item 1 - Legal Proceedings

There are no material pending legal proceedings to which the Company or its subsidiaries are a party or to which any of its property is subject, other than ordinary routine litigation incidental to the business of the Company. Management does not believe resolution of any present litigation will have a material adverse effect on the consolidated financial condition or results of operations of the Company.

Item 1A - Risk Factors

Management believes that there have been no material changes in the Company's risk factors as reported in the Company's 2015 Annual Report on Form 10-K.

Item 2 - Unregistered Sales of Equity Securities and Use of Proceeds

None.

Item 3 - Defaults upon Senior Securities

Not Applicable.

Item 4 - Mine Safety Disclosures

Not Applicable.

Item 5 - Other Information

Not Applicable.

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Item 6 - Exhibits

EXHIBIT INDEX

_____________

Exhibit No.Description

3.1 Amended and Restated Articles of Organization of the Company, incorporated by reference to the Company's Current Report on Form 8-K filed June 10, 2013.

3.2 Amended and Restated Bylaws of the Company, as amended as of January 15, 2013, incorporated by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K filed on January 22, 2013.

4.1 Renewal Rights Agreement dated as of December 11, 2007 by and between the Company and Computershare Trust Company, N.A., as Rights Agent, including Terms of Series A Junior Participating Preferred Stock, Summary of Rights to Purchase Shares of Series A Junior Participating Preferred Stock, and Form of Rights Certificate attached as Exhibits A, B and C thereto, incorporated by reference to Exhibit 4.5 to the Company's Current Report on Form 8-K filed on December 13, 2007.

31.1* Certification of Principal Executive Officer under Securities Exchange Act Rule 13a-14(a)

31.2* Certification of Principal Financial Officer under Securities Exchange Act Rule 13a-14(a)

32* Certification of Principal Executive Officer and Principal Financial Officer under 18 U.S.C. § 1350 Furnished Pursuant to Securities Exchange Act Rule 13a-14(b)

101* The following materials from Enterprise Bancorp, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2016 were formatted in XBRL (eXtensible Business Reporting Language):

(i) Consolidated Balance Sheets as of September 30, 2016 and December 31, 2015;

(ii) Consolidated Statements of Income for the three and nine months ended September 30, 2016 and 2015;

(iii) Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2016 and 2015;

(iv) Consolidated Statements of Changes in Equity for the nine months endedSeptember 30, 2016;

(v) Consolidated Statements of Cash Flows for the nine months endedSeptember 30, 2016 and 2015; and

(vi) Notes to Unaudited Consolidated Interim Financial Statements.

____________________

*Filed herewith

69

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.

		ENTERPRISE BANCORP, INC.
DATE:	November 7, 2016	By:	/s/ James A. Marcotte
			James A. Marcotte
			Executive Vice President,
			Chief Financial Officer and Treasurer
			(Principal Financial Officer)

70

EX-31.1

EXHIBIT 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

UNDER SECURITIES EXCHANGE ACT RULE 13a-14(a)

I, John P. Clancy, Jr., certify that:

1.I have reviewed this quarterly report on Form 10-Q of Enterprise Bancorp, Inc.;

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 Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we 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 7, 2016	/s/ John P. Clancy, Jr.
		John P. Clancy, Jr.
		Chief Executive Officer (Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

UNDER SECURITIES EXCHANGE ACT RULE 13a-14(a)

I, James A. Marcotte, Jr., certify that:

1.I have reviewed this quarterly report on Form 10-Q of Enterprise Bancorp, Inc.;

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 Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we 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 7, 2016	/s/ James A. Marcotte
		James A. Marcotte
		Executive Vice President, Chief Financial Officer and Treasurer, (Principal Financial Officer)

EX-32

EXHIBIT 32

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER

UNDER 18 U.S.C. § 1350 FURNISHED PURSUANT TO SECURITIES EXCHANGE ACT RULE 13a-14(b)

In connection with the Quarterly Report of Enterprise Bancorp, Inc. (the “Company”) on Form 10-Q for the period ended on September 30, 2016, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned, in his respective capacities indicated below, hereby certifies, pursuant to 18 U.S.C. § 1350, as enacted by Section 906 of the Sarbanes-Oxley Act of 2002, that, to his knowledge and belief, (1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and (2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 7, 2016

/s/ John P. Clancy, Jr.

John P. Clancy, Jr.

Chief Executive Officer (Principal Executive Officer)

/s/ James A. Marcotte

James A. Marcotte

Executive Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer)

A signed original of this written statement required by Section 906 has been provided to Enterprise Bancorp, Inc. and will be retained by Enterprise Bancorp, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2016	Nov. 01, 2016
Document and Entity Information [Abstract]
Entity Registrant Name	ENTERPRISE BANCORP INC /MA/
Entity Central Index Key	0001018399
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		11,449,122

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Cash and cash equivalents:
Cash and due from banks	$ 34,337	$ 32,318
Interest-earning deposits	27,823	19,177
Total cash and cash equivalents	62,160	51,495
Investment securities at fair value	349,064	300,358
Federal Home Loan Bank stock	1,884	3,050
Loans held for sale	2,171	1,709
Loans, less allowance for loan losses of $31,589 at September 30, 2016 and $29,008 at December 31, 2015	1,954,265	1,830,954
Premises and equipment, net	33,861	30,553
Accrued interest receivable	8,467	7,790
Deferred income taxes, net	13,405	14,111
Bank-owned life insurance	28,582	28,018
Prepaid income taxes	57	57
Prepaid expenses and other assets	11,277	11,780
Goodwill	5,656	5,656
Total assets	2,470,849	2,285,531
Liabilities
Deposits	2,221,609	2,018,148
Borrowed Funds	671	53,671
Subordinated debt	14,831	14,822
Accrued expenses and other liabilities	17,504	18,287
Accrued interest payable	194	276
Total liabilities	2,254,809	2,105,204
Commitments and Contingencies
Stockholders' Equity
Preferred stock, $0.01 par value per share; 1,000,000 shares authorized; no shares issued	0	0
Common stock $0.01 par value per share; 20,000,000 shares authorized; 11,448,502 shares issued and outstanding at September 30, 2016 (including 142,162 shares of unvested participating restricted awards), 10,377,787 shares issued and outstanding at December 31, 2015 (including 144,717 shares of unvested participating restricted awards)	114	104
Additional paid-in-capital	83,394	61,008
Retained earnings	126,543	116,941
Accumulated other comprehensive income	5,989	2,274
Total stockholders' equity	216,040	180,327
Total liabilities and stockholders' equity	$ 2,470,849	$ 2,285,531

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Allowance for loan losses	$ 31,589	$ 29,008
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	11,448,502	10,377,787
Common stock, shares outstanding	11,448,502	10,377,787
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Unvested participating restricted stock awards	142,162	144,717

XML

Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Interest and dividend income:
Loans and loans held for sale	$ 21,466	$ 19,785	$ 63,379	$ 57,538
Investment securities	1,629	1,377	4,720	3,825
Other interest-earning assets	96	62	189	137
Total interest and dividend income	23,191	21,224	68,288	61,500
Interest expense:
Deposits	1,138	1,022	3,325	3,033
Borrowed funds	2	10	79	32
Subordinated debt	234	232	695	837
Total interest expense	1,374	1,264	4,099	3,902
Net interest income	21,817	19,960	64,189	57,598
Provision for loan losses	1,386	250	2,503	2,100
Net interest income after provision for loan losses	20,431	19,710	61,686	55,498
Non-interest income:
Investment advisory fees	1,162	1,182	3,593	3,568
Deposit and interchange fees	1,272	1,207	3,790	3,575
Income on bank-owned life insurance,net	182	157	564	358
Net gains on sales of investment securities	546	7	611	1,363
Gains on sales of loans	198	89	392	373
Other income	588	542	1,786	1,650
Total non-interest income	3,948	3,184	10,736	10,887
Non-interest expense:
Salaries and employee benefits	10,948	10,255	32,458	29,934
Occupancy and equipment expenses	1,859	1,775	5,453	5,484
Technology and telecommunications expenses	1,577	1,428	4,548	4,223
Advertising and public relations expenses	591	641	2,087	2,180
Audit, legal and other professional fees	446	564	1,342	1,305
Deposit insurance premiums	347	299	997	889
Supplies and postage expenses	241	226	728	736
Investment advisory and custodial expenses	107	102	283	237
Other operating expenses	1,298	1,258	3,929	4,037
Total non-interest expense	17,414	16,548	51,825	49,025
Income before income taxes	6,965	6,346	20,597	17,360
Provision for income taxes	2,251	2,054	6,799	5,933
Net income	$ 4,714	$ 4,292	$ 13,798	$ 11,427
Basic earnings per share	$ 0.41	$ 0.41	$ 1.28	$ 1.11
Diluted earnings per share	$ 0.41	$ 0.41	$ 1.27	$ 1.10
Basic weighted average common shares outstanding	11,430,134	10,349,232	10,801,278	10,308,310
Diluted weighted average common shares outstanding	11,498,990	10,414,254	10,869,405	10,373,464

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 4,714	$ 4,292	$ 13,798	$ 11,427
Other comprehensive income (loss), net of taxes:
Gross change in unrealized holding gains (losses) on investments arising during the period	(558)	1,065	6,522	234
Income tax (expense) benefit	213	(388)	(2,416)	(70)
Net unrealized holding gains (losses), net of tax	(345)	677	4,106	164
Less: Reclassification adjustment for net gains included in net income
Net realized gains on sales of securities during the period	546	7	611	1,363
Income tax expense	(196)	(2)	(220)	(475)
Reclassification adjustment for gains realized, net of tax	350	5	391	888
Total other comprehensive income (loss)	(695)	672	3,715	(724)
Comprehensive income	$ 4,019	$ 4,964	$ 17,513	$ 10,703

XML

Consolidated Statement of Changes in Stockholders' Equity - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income
Balance, beginning at Dec. 31, 2015	$ 180,327	$ 104	$ 61,008	$ 116,941	$ 2,274
Increase (Decrease) in Stockholders' Equity
Net income	13,798			13,798
Other comprehensive income, net	3,715				3,715
Tax benefit from stock compensation	229		229
Common stock dividend paid ($0.39 per share)	(4,196)			(4,196)
Common stock issued under dividend reinvestment plan	1,023	0	1,023
Common stock issued other, net of expenses	19,793	9	19,784
Stock-based compensation, net	1,118	1	1,117
Stock options exercised, net	233	0	233
Balance, ending at Sep. 30, 2016	$ 216,040	$ 114	$ 83,394	$ 126,543	$ 5,989

XML

Consolidated Statement of Changes in Stockholders' Equity (Parenthetical)	9 Months Ended
	Sep. 30, 2016 $ / shares
Statement of Stockholders' Equity [Abstract]
Common stock dividend paid, per share	$ 0.39

XML

Consolidated Statements of Cash Flows - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Cash flows from operating activities
Net income	$ 4,714,000	$ 4,292,000	$ 13,798,000	$ 11,427,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,386,000	250,000	2,503,000	2,100,000
Depreciation and amortization			4,387,000	4,162,000
Stock-based compensation expense	444,000	411,000	1,349,000	1,365,000
Mortgage loans originated for sale			(19,943,000)	(18,013,000)
Proceeds from mortgage loans sold			19,873,000	19,432,000
Net gains on sales of loans			(392,000)	(373,000)
Net gains on sales of OREO			0	(154,000)
Net gains on sales of investments	(546,000)	(7,000)	(611,000)	(1,363,000)
Income on bank-owned life insurance,net	(182,000)	(157,000)	(564,000)	(358,000)
Changes in:
Accrued interest receivable			(677,000)	(1,001,000)
Prepaid expenses and other assets			357,000	7,807,000
Deferred income taxes			(1,490,000)	(427,000)
Accrued expenses and other liabilities			290,000	1,700,000
Subordinated debt issuance costs			9,000	(190,000)
Accrued interest payable			(82,000)	(314,000)
Net cash provided by operating activities			18,807,000	25,800,000
Cash flows from investing activities:
Proceeds from sales of investment securities available for sale			4,729,000	13,677,000
Net proceeds (purchases) from FHLB capital stock			1,166,000	(882,000)
Proceeds from maturities, calls and pay-downs of investment securities			16,708,000	21,276,000
Purchase of investment securities			(65,846,000)	(73,940,000)
Net increase in loans			(125,814,000)	(119,095,000)
Additions to premises and equipment, net			(7,033,000)	(2,970,000)
Proceeds from OREO sales and payments			0	1,015,000
Proceeds from bank-owned life insurance			405,000	0
Purchase of bank-owned life insurance			0	(11,390,000)
Net cash used in investing activities			(175,685,000)	(172,309,000)
Cash flows from financing activities:
Net increase in deposits			203,461,000	195,069,000
Net decrease in borrowed funds			(53,000,000)	(34,729,000)
Repayment of subordinated debt			0	(10,825,000)
Proceeds from issuance of subordinated debt			0	15,000,000
Cash dividends paid			(4,196,000)	(3,863,000)
Proceeds from issuance of common stock			20,816,000	1,086,000
Proceeds from exercise of stock options, net of repurchases for tax withholdings			233,000	407,000
Tax benefit from stock-based compensation			229,000	4,000
Net cash provided by financing activities			167,543,000	162,149,000
Net increase in cash and cash equivalents			10,665,000	15,640,000
Cash and cash equivalents at beginning of period			51,495,000	40,146,000	$ 40,146,000
Cash and cash equivalents at end of period	$ 62,160,000	$ 55,786,000	62,160,000	55,786,000	$ 51,495,000
Supplemental financial data:
Cash Paid For: Interest			4,098,000	4,216,000
Cash Paid For: Income Taxes			8,021,000	5,291,000
Supplemental schedule of non-cash investing activity:
Net purchases of investment securities not yet settled			$ 1,215,000	$ 0

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2016

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

(a) Organization of Holding Company and Basis of Presentation

The accompanying unaudited consolidated interim financial statements and these notes should be read in conjunction with the December 31, 2015 audited consolidated financial statements and notes thereto contained in the 2015 Annual Report on Form 10-K of Enterprise Bancorp, Inc. (the "Company" or "Enterprise"), a Massachusetts corporation, as filed with the Securities and Exchange Commission (the "SEC") on March 15, 2016 (the "2015 Annual Report on Form 10-K").  The Company has not changed its accounting policies from those disclosed in its 2015 Annual Report on Form 10-K.

The Company's unaudited consolidated interim financial statements include the accounts of the Company and its wholly owned subsidiary, Enterprise Bank and Trust Company (the "Bank").  The Bank is a Massachusetts trust company organized in 1989. Substantially all of the Company's operations are conducted through the Bank and its subsidiaries.

The Bank's subsidiaries include Enterprise Insurance Services, LLC and Enterprise Investment Services, LLC, organized under the laws of the State of Delaware for the purposes of engaging in insurance sales activities and offering non-deposit investment products and services, respectively.  In addition, the Bank has the following subsidiaries that are incorporated in the Commonwealth of Massachusetts and classified as security corporations in accordance with applicable Massachusetts General Laws: Enterprise Security Corporation; Enterprise Security Corporation II; and Enterprise Security Corporation III.  The security corporations, which hold various types of qualifying securities, are limited to conducting securities investment activities that the Bank itself would be allowed to conduct under applicable laws.

At September 30, 2016, the Company had 23 full service branches serving the greater Merrimack Valley and North Central regions of Massachusetts and Southern New Hampshire. The Company also recently announced the anticipated opening of its 24^th branch in Windham, NH in 2017, subject to the receipt of all requisite regulatory approvals. Through the Bank and its subsidiaries, the Company offers a range of commercial and consumer loan products, and deposit and cash management services. The Company also offers investment advisory and wealth management, trust and insurance services.  The services offered through the Bank and its subsidiaries are managed as one strategic unit and represent the Company's only reportable operating segment.

The Federal Deposit Insurance Corporation (the "FDIC") and the Massachusetts Division of Banks (the "Division") have regulatory authority over the Bank.  The Bank is also subject to certain regulatory requirements of the Board of Governors of the Federal Reserve System (the "Federal Reserve Board") and, with respect to its New Hampshire branch operations, the New Hampshire Banking Department.  The business and operations of the Company are subject to the regulatory oversight of the Federal Reserve Board.  The Division also retains supervisory jurisdiction over the Company.

The accompanying unaudited consolidated interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States ("GAAP") for interim financial information and the instructions for Form 10-Q through the rules and interpretive releases of the SEC under federal securities law. In the opinion of management, the accompanying unaudited consolidated interim financial statements reflect all necessary adjustments consisting of normal recurring accruals for a fair presentation.  All significant intercompany balances and transactions have been eliminated in the accompanying unaudited consolidated interim financial statements. Certain previous years' amounts in the consolidated financial statements, and notes thereto, have been reclassified to conform to the current year's presentation. Interim results are not necessarily indicative of results to be expected for the entire year. The Company has evaluated subsequent events and transactions from September 30, 2016 through November 7, 2016 for potential recognition or disclosure as required by GAAP.

(b) Critical Accounting Estimates

In preparing the unaudited consolidated interim financial statements in conformity with GAAP, management is required to exercise judgment in determining many of the methodologies, assumptions and estimates to be utilized.  These assumptions and estimates affect the reported values of assets and liabilities as of the balance sheet date and income and expenses for the period then ended.  As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates should the assumptions and estimates used change over time due to changes in circumstances.  Changes in those estimates resulting from continuing change in the economic environment and other factors will be reflected in the financial statements and results of operations in future periods.

As discussed in the Company's 2015 Annual Report on Form 10-K, the three most significant areas in which management applies critical assumptions and estimates that are particularly susceptible to change relate to the determination of the allowance for loan losses, impairment review of investment securities and the impairment review of goodwill.  Refer to Note 1, "Summary of Significant Accounting Policies," to the Company's consolidated financial statements included in the Company's 2015 Annual Report on Form 10-K for significant accounting policies. The Company has not changed its significant accounting policies from those disclosed in its 2015 Annual Report on Form 10-K.

(c) Reporting Comprehensive Income

Comprehensive income is defined as all changes to stockholders' equity except investments by and distributions to stockholders.  Net income is one component of comprehensive income, with other components referred to in the aggregate as other comprehensive income.  The Company's only other comprehensive income component is the net unrealized holding gains or losses on investments available-for-sale, net of deferred income taxes. Pursuant to Accounting Standards, the Company initially excludes these unrealized holding gains and losses from net income; however, they are later reported as reclassifications out of accumulated other comprehensive income into net income when the securities are sold. When securities are sold, the reclassification of realized gains and losses on available-for-sale securities are included on the Consolidated Statements of Income under the "non-interest income" subheading on the line item "net gains on sales of investment securities" and the related income tax expense is included in the line item "provision for income taxes," both of which are also detailed on the Consolidated Statements of Comprehensive Income under the subheading "reclassification adjustment for net gains included in net income."

(d) Restricted Investments

As a member of the Federal Home Loan Bank of Boston ("FHLB"), the Company is required to purchase certain levels of FHLB capital stock at par value in association with the Company's borrowing relationship from the FHLB.  From time-to-time, the FHLB may initiate the repurchase, at par value, of "excess" levels of its capital stock held by member banks. This stock is classified as a restricted investment and carried at cost, which management believes approximates fair value.  FHLB stock represents the only restricted investment held by the Company.

In conjunction with the other-than-temporary-impairment ("OTTI") review on available-for-sale investments (See Note 2, "Investments," for additional information), management also regularly reviews its holdings of FHLB stock for OTTI. Based on management's periodic review, the Company has not recorded any OTTI charges on this investment to date. If it was determined that a write-down of FHLB stock was required, impairment would be recognized through a charge to earnings.

(e) Income Taxes

The Company uses the asset and liability method of accounting for income taxes.  Under this method, deferred tax assets and liabilities are recognized for the future tax attributable to differences between the financial statement carrying amounts and the tax basis of assets and liabilities.  The deferred tax assets and liabilities are reflected at currently enacted income tax rates applicable to the period in which the deferred tax assets or liabilities are expected to be realized or settled.  As changes in tax laws or rates are enacted, deferred tax assets and liabilities will be adjusted accordingly through the provision for income taxes.

The Company's policy is to classify interest resulting from underpayment of income taxes as income tax expense in the first period the interest would begin accruing according to the provisions of the relevant tax law.  The Company classifies penalties resulting from underpayment of income taxes as income tax expense in the period for which the Company claims or expects to claim an uncertain tax position or in the period in which the Company's judgment changes regarding an uncertain tax position.

The income tax provisions will differ from the expense that would result from applying the federal statutory rate to income before taxes, due primarily to the impact of tax exempt interest from certain investment securities, loans and bank-owned life insurance.

The Company did not have any unrecognized tax benefits accrued as income tax liabilities or receivables or as deferred tax items at September 30, 2016.  The Company is subject to U.S. federal and state income tax examinations by taxing authorities for the 2013 through 2015 tax years.

(f) Capital Raised

In the second quarter of 2016, the Company completed a combined shareholder subscription rights offering and supplemental community offering, at an offering price of $21.50 per share, under its SEC shelf registration statement that expired in September 2016. The Company issued 930 thousand shares of common stock and received gross proceeds of $20.0 million ($19.7 million, net of offering costs). The Company contributed the net proceeds to the Bank to support future asset growth and for general corporate purposes.

(g) Recent Accounting Pronouncements

Accounting pronouncements adopted by the Company

In April 2015, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2015-03, Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs. The amendments in this ASU require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs are not affected by the amendments in this ASU. Entities are required to apply the new guidance on a retrospective basis, wherein the balance sheet of each individual period presented should be adjusted to reflect the period-specific effects of applying the new guidance. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments is permitted for financial statements that have not been previously issued. The Company early adopted this ASU as of January 1, 2015 in relation to the Company's Fixed-to-Floating Rate Subordinated Notes issued in January 2015. This adoption did not have a material impact on the Company's financial statements or results of operations.

In January 2015, the FASB issued ASU No. 2015-01, "Income Statement-Extraordinary and Unusual Items (Subtopic 225-20): Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items." This ASU will align more closely GAAP income statement presentation guidance with International Audit Standards (IAS) 1, Presentation of Financial Statements, which prohibits the presentation and disclosure of extraordinary items. The amendments in this update are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. The adoption of this standard did not have an impact on the Company's financial statements. 

Accounting pronouncements not yet adopted by the Company

In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)". This ASU is intended to create a single source of revenue guidance which is more principles based than current revenue guidance. The guidance affects any entity that either enters into contracts with customers to transfer goods or services, or enters into contracts for the transfer of non-financial assets, unless those contracts are within the scope of other standards. In August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date" to amend the effective date of ASU 2014-09. The amendments in ASU 2014-09 are effective for annual and interim periods within fiscal years beginning after December 15, 2017. Earlier adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The FASB has since issued additional related ASUs amendments intended to clarify certain aspects and improve understanding of the implementation guidance of Topic 606 but do not change the core principles of the guidance in Topic 606. The effective date and transition requirements for the amendments are the same as the effective date and transition requirements of Topic 606. The Company is currently evaluating the potential impact of the ASU and its amendments on the Company's financial statements and results of operations.

In January 2016, the FASB issued ASU No. 2016-01, "Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities," which updates certain aspects of recognition, measurement, presentation and disclosure of financial instruments.

Among other things, the new guidance:

• Requires 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;

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

• Requires 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.

The new guidance is effective for public companies for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the effects of this ASU on the Company's financial statements and results of operations.

In February 2016, the FASB issued ASU No. 2016-02, "Leases (Topic 842)," which supersedes previous leasing guidance in Topic 840, Leases. Under the new guidance, lessees are required to recognize lease assets and lease liabilities on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. The Company is currently evaluating the effects of this ASU on the Company's financial statements and results of operations.

In March 2016, the FASB issued ASU No. 2016-09, "Compensation - Stock Compensation (Topic 718): Improvement to Employee Share-Based Payment Accounting." The amendments are intended to improve the accounting for employee share-based payments and affect all organizations that issue share-based payment awards to their employees. Several aspects of the accounting are simplified including, generally: a) income tax consequences; b) classification of awards as either equity or liabilities; c) accounting for forfeitures; and d) classification on the statement of cash flows. Among the changes, the amendment allows for entities to partially settle awards in cash up to the maximum individual statutory tax rate in the applicable jurisdiction and still qualify for equity classification; all excess tax benefits and tax deficiencies (including tax benefits of dividends on share-based payment awards) will be recognized as income tax expense or benefit in the income statement; in addition, an entity can make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest (current GAAP) or account for forfeitures when they occur; among other changes. The new standard is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The Company is currently evaluating the potential impact of the ASU on the Company's financial statements and results of operations.

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326)." The amendments in this Update require a financial asset (or a group of financial assets) measured at amortized cost basis to be presented at the net amount expected to be collected. Previously, when credit losses were measured under GAAP, an entity generally only considered past events and current conditions in measuring the incurred loss and generally recognition of the full amount of credit losses was delayed until the loss was probable of occurring. The amendments in this Update eliminate the probable initial recognition threshold in current GAAP and, instead, reflect an entity’s current estimate of all expected credit losses.

The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. The income statement reflects the measurement of credit losses for newly recognized financial assets, as well as the expected increases or decreases of expected credit losses that have taken place during the period. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset.

Credit losses on available-for-sale debt securities should be measured in a manner similar to current GAAP. However, the amendments in this Update require that credit losses be presented as an allowance rather than as a write-down. Unlike current GAAP, the Update provides for reversals of credit losses in future period net income in situations where the estimate of loss declines.

An entity will apply the amendments in this Update through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective (that is, a modified-retrospective approach). For public business entities that are SEC filers, such as the Company, the amendments in this Update are effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The Company is currently evaluating the potential impact of the ASU on the Company's financial statements and results of operations.

In August 2016, the FASB issued ASU 2016-15, "Statement of Cashflows - Classification of Certain Cash Receipts and Cash Payments. The amendments are intended to reduce diversity in practice related to the presentation of eight specific cashflow issues. For public business entities that are SEC filers, such as the Company, the amendments in this Update are effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Because this amendment primarily impacts the presentation and classification of information, the Company does not expect it to have a material impact on the Company's financial statements and results of operations.

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Investments

9 Months Ended

Sep. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Investments

Investments

The amortized cost and carrying values of investment securities at the dates specified are summarized as follows:

	September 30, 2016
(Dollars in thousands)	Amortized cost		Unrealized gains		Unrealized losses		Fair Value
Federal agency obligations (1)	$	78,667	$	1,478	$	—	$	80,145
Residential federal agency MBS (1)	87,678		1,215		187		88,706
Commercial federal agency MBS(1)	43,801		907		29		44,679
Municipal securities	107,768		3,822		34		111,556
Corporate bonds	10,850		284		3		11,131
Certificates of deposits (2)	950		20		—		970
Total fixed income securities	329,714		7,726		253		337,187
Equity investments	9,962		2,065		150		11,877
Total available-for-sale securities, at fair value	$	339,676	$	9,791	$	403	$	349,064

	December 31, 2015
(Dollars in thousands)	Amortized cost		Unrealized gains		Unrealized losses		Fair Value
Federal agency obligations(1)	$	78,626	$	352	$	153	$	78,825
Residential federal agency MBS(1)	75,105		406		648		74,863
Commercial federal agency MBS(1)	23,908		—		363		23,545
Municipal securities	96,189		2,357		35		98,511
Corporate bonds	10,257		44		95		10,206
Certificates of deposits (2)	2,753		—		2		2,751
Total fixed income securities	286,838		3,159		1,296		288,701
Equity investments	10,043		1,966		352		11,657
Total available-for-sale securities, at fair value	$	296,881	$	5,125	$	1,648	$	300,358

__________________________________________

⁽¹⁾  These categories may include investments issued or guaranteed by government sponsored enterprises such as Fannie Mae ("FNMA"), Freddie Mac ("FHLMC"), Federal Farm Credit Bank ("FFCB"), or one of several Federal Home Loan Banks, as well as, investments guaranteed by Ginnie Mae ("GNMA"), a wholly-owned government entity. 

⁽²⁾  Certificates of deposits ("CDs") represent term deposits issued by banks that are subject to FDIC insurance and purchased on the open market.

Included in the residential federal agency MBS category were collateralized mortgage obligations (“CMOs”) totaling $33.9 million and $20.8 million at September 30, 2016 and December 31, 2015 respectively. All of the commercial MBS investments held by the Company were CMOs issued by U.S agencies.

At September 30, 2016, the equity portfolio consisted primarily of investments in a diversified group of mutual funds, with a portion of the portfolio (approximately 18%) invested in individual common stock of entities in the financial services industry.

Net unrealized appreciation and depreciation on investments available-for-sale, net of applicable income taxes, are reflected as a component of accumulated other comprehensive income (loss).

The net unrealized gain or loss in the Company's fixed income portfolio fluctuates as market interest rates rise and fall.  Due to the fixed rate nature of this portfolio, as market rates fall, the value of the portfolio rises, and as market rates rise, the value of the portfolio declines.  The unrealized gains or losses on fixed income investments will also decline as the securities approach maturity, or if the issuer is credit impaired. Unrealized gains or losses will be recognized in the statements of income if the securities are sold. However, if an unrealized loss on a fixed income investment is deemed to be other than temporary, the credit loss portion is charged to earnings and the noncredit portion is recognized in accumulated other comprehensive income.

The net unrealized gain or loss on equity securities will fluctuate based on changes in the market value of the mutual funds and individual securities held in the portfolio.  Unrealized gains or losses will be recognized in the statements of income if the securities are sold. However, if an unrealized loss on an equity security is deemed to be other than temporary prior to a sale, the loss is charged to earnings.

The following tables summarize investments having temporary impairment, due to the fair market values having declined below the amortized costs of the individual investments, and the period that the investments have been temporarily impaired at September 30, 2016 and December 31, 2015.

	September 30, 2016
	Less than 12 months				12 months or longer				Total
(Dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		# of holdings
Federal agency obligations	$	—	$	—	$	—	$	—	$	—	$	—	—
Residential federal agency MBS	17,008		106		8,650		81		25,658		187		9
Commercial federal agency MBS	9,305		29		—		—		9,305		29		4
Municipal securities	3,720		34		—		—		3,720		34		6
Corporate bonds	637		2		109		1		746		3		4
Certificates of deposit	—		—		—		—		—		—		—
Equity investments	—		—		2,826		150		2,826		150		3
Total temporarily impaired investments	$	30,670	$	171	$	11,585	$	232	$	42,255	$	403	26

	December 31, 2015
	Less than 12 months				12 months or longer				Total
(Dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		# of holdings
Federal agency obligations	$	27,420	$	153	$	—	$	—	$	27,420	$	153	8
Residential federal agency MBS	20,517		275		10,935		373		31,452		648		14
Commercial federal agency MBS	23,545		363		—		—		23,545		363		9
Municipal securities	6,988		33		261		2		7,249		35		13
Corporate bonds	4,574		78		419		17		4,993		95		37
Certificates of deposit	1,976		2		—		—		1,976		2		10
Equity investments	4,204		351		24		1		4,228		352		5
Total temporarily impaired investments	$	89,224	$	1,255	$	11,639	$	393	$	100,863	$	1,648	96

Management regularly reviews the portfolio for securities with unrealized losses that could be other-than-temporarily impaired.  During the nine months endedSeptember 30, 2016 and 2015, the Company did not record any fair value impairment charges on its investments. Management attributes these unrealized losses to increases in market yields compared to the yields at the time the investments were purchased by the Company and the impact of market value fluctuations on the equity portion of our portfolio. Management does not consider these investments to be other-than-temporarily impaired at September 30, 2016, because (1) the decline in market value is not attributable to credit quality for fixed income securities or a fundamental deterioration in the equity fund or issuers, and (2) the Company does not intend to, and it is more likely than not that it will not be required to, sell those investments prior to a market price recovery or maturity.  

In assessing the Company's investments in federal agency mortgage-backed securities and federal agency obligations, the contractual cash flows of these investments are guaranteed by the respective government sponsored enterprise (FHLMC, FNMA, FFCB, or FHLB) or wholly-owned government corporation (GNMA). Accordingly, it is expected that the securities would not be settled at a price less than the par value of the Company's investments. Management's assessment of other fixed income investments within the portfolio includes reviews of market pricing, ongoing credit quality evaluations, assessment of the investments' materiality, and duration of the investments' unrealized loss position. In addition, the Company utilizes an outside registered investment adviser to manage the corporate and municipal bond portfolios, within prescribed guidelines set by management, and to provide assistance in assessing the credit risk of those portfolios. At September 30, 2016, the Company's corporate and municipal bond portfolios did not contain any securities below investment grade, as reported by major credit rating agencies. For equities and funds, management's assessment includes the severity of the declines, whether it is unlikely that the security or fund will completely recover its unrealized loss within a reasonable time period and if the equity security or fund exhibits fundamental deterioration.

The contractual maturity distribution at September 30, 2016 of total fixed income investments was as follows:

(Dollars in thousands)	Amortized Cost		Fair Value
Due in one year or less	$	14,615	$	14,666
Due after one, but within five years	102,882		104,944
Due after five, but within ten years	98,651		101,813
Due after ten years	113,566		115,764
Total fixed income securities	$	329,714	$	337,187

Scheduled contractual maturities shown above may not reflect the actual maturities of the investments. The actual MBS/CMO cash flows likely will be faster than presented above due to prepayments and amortization. Similarly, included in the carrying value of fixed income investments above are callable securities, comprised of municipal securities and corporate bonds totaling $51.1 million, which can be redeemed by the issuer prior to the maturity presented above.  Management considers these factors when evaluating the interest rate risk in the Company's asset-liability management program.

From time to time, the Company may pledge securities as collateral for deposit account balances of municipal deposit customers, and for borrowing capacity with the FHLB and the Federal Reserve Bank of Boston (the "FRB").  The fair value of securities pledged as collateral for these purposes was $335.0 million at September 30, 2016.

Sales of investments, including pending trades, for the three and nine months ended September 30, 2016 and September 30, 2015 are summarized as follows:

	Three months ended September 30,				Nine months ended September 30,
(Dollars in thousands)	2016		2015		2016		2015
Amortized cost of investments sold	$	2,354	$	1,456	$	4,118	$	12,314
Gross realized gains on sales	546		7		611		1,522
Gross realized losses on sales	—		—		—		(159		)
Total proceeds from sales of investments	$	2,900	$	1,463	$	4,729	$	13,677

See Note 11, "Fair Value Measurements," below for further information regarding the Company's fair value measurements for available-for-sale securities.

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Loans

9 Months Ended

Sep. 30, 2016

Receivables [Abstract]

Loans

Loans

The Company specializes in lending to business entities, non-profit organizations, professionals and individuals. The Company's primary lending focus is on the development of high quality commercial relationships achieved through active business development efforts, long-term relationships with established commercial developers, strong community involvement and focused marketing strategies.  Loans made to businesses include commercial mortgage loans, construction and land development loans, secured and unsecured commercial loans and lines of credit, and standby letters of credit.  The Company also originates equipment lease financing for businesses. Loans made to individuals include conventional residential mortgage loans, home equity loans and lines, residential construction loans on primary and secondary residences, and secured and unsecured personal loans and lines of credit. The Company manages its loan portfolio to avoid concentration by industry and loan size to lessen its credit risk exposure.

See Note 4, "Allowance for Loan Losses," for information on the Company's credit risk management, non-accrual, impaired and troubled debt restructured loans and the allowance for loan losses.

Major classifications of loans at the periods indicated were as follows:

(Dollars in thousands)	September 30, 2016			December 31, 2015
Commercial real estate	$	1,008,362		$	936,921
Commercial and industrial	490,590			458,553
Commercial construction	215,432			202,993
Total commercial loans	1,714,384			1,598,467
Residential mortgages	172,556			169,188
Home equity loans and lines	90,116			83,373
Consumer	10,634			10,747
Total retail loans	273,306			263,308
Gross loans	1,987,690			1,861,775
Deferred loan origination fees, net	(1,836		)	(1,813		)
Total loans	1,985,854			1,859,962
Allowance for loan losses	(31,589		)	(29,008		)
Net loans	$	1,954,265		$	1,830,954

Loan Categories

- Commercial loans:

Commercial real estate loans include loans secured by both owner-use and non-owner occupied real estate.  These loans are typically secured by a variety of commercial and industrial property types, including one-to-four and multi-family apartment buildings, office, industrial or mixed-use facilities, strip shopping centers, or other commercial properties, and are generally guaranteed by the principals of the borrower. Commercial real estate loans generally have repayment periods of approximately fifteen to twenty-five years.  Variable interest rate loans have a variety of adjustment terms and underlying interest rate indices, and are generally fixed for an initial period before periodic rate adjustments begin.

Commercial and industrial loans include seasonal revolving lines of credit, working capital loans, equipment financing (including equipment leases), and term loans.  Also included in commercial and industrial loans are loans partially guaranteed by the U.S. Small Business Administration ("SBA"), and loans under various programs and agencies.  Commercial and industrial credits may be unsecured loans and lines to financially strong borrowers, loans secured in whole or in part by real estate unrelated to the principal purpose of the loan or secured by inventories, equipment, or receivables, and are generally guaranteed by the principals of the borrower.  Variable rate loans and lines in this portfolio have interest rates that are periodically adjusted, with loans generally having fixed initial periods.  Commercial and industrial loans have average repayment periods of one to seven years.

Commercial construction loans include the development of residential housing and condominium projects, the development of commercial and industrial use property, and loans for the purchase and improvement of raw land.  These loans are secured in whole or in part by underlying real estate collateral and are generally guaranteed by the principals of the borrowers.  Construction lenders work to cultivate long-term relationships with established commercial developers. The Company limits the amount of financing provided to any single developer for the construction of properties built on a speculative basis.  Funds for construction projects are disbursed as pre-specified stages of construction are completed.  Regular site inspections are performed, prior to advancing additional funds, at each construction phase, either by experienced construction lenders on staff or by independent outside inspection companies.  Commercial construction loans generally are variable rate loans and lines with interest rates that are periodically adjusted and generally have terms of one to three years.

From time to time, the Company participates with other banks in the financing of certain commercial projects.  Participating loans with other institutions provide banks the opportunity to retain customer relationships and reduce credit risk exposure among each participating bank, while providing customers with larger credit vehicles than the individual bank might be willing or able to offer independently. In some cases, the Company may act as the lead lender, originating and servicing the loans, but participating out a portion of the funding to other banks.  In other cases, the Company may participate in loans originated by other institutions. In each case, the participating bank funds a percentage of the loan commitment and takes on the related pro-rata risk.  In each case in which the Company participates in a loan, the rights and obligations of each participating bank are divided proportionately among the participating banks in an amount equal to their share of ownership and with equal priority among all banks.  The balances participated out to other institutions are not carried as assets on the Company's financial statements.  Loans originated by other banks in which the Company is a participating institution are carried in the loan portfolio at the Company's pro rata share of ownership.  The Company performs an independent credit analysis of each commitment and a review of the participating institution prior to participation in the loan.  Loans originated by other banks in which the Company is a participating institution amounted to $86.8 million at September 30, 2016 and $62.3 million at December 31, 2015.

Standby letters of credit are conditional commitments issued by the Company to guarantee the financial obligation or performance of a customer to a third party.  The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.  If the letter of credit is drawn upon, a loan is created for the customer, generally a commercial loan, with the same criteria associated with similar commercial loans.

- Residential loans:

Enterprise originates conventional mortgage loans on one-to-four family residential properties.  These properties may serve as the borrower's primary residence, or be vacation homes or investment properties.  Loan to value limits vary, generally from 75% for multi-family, owner-occupied properties, up to 97% for single family, owner-occupied properties, with mortgage insurance coverage required for loan-to-value ratios greater than 80% based on program parameters.  In addition, financing is provided for the construction of owner-occupied primary and secondary residences.  Residential mortgage loans may have terms of up to 30 years at either fixed or adjustable rates of interest.  Fixed and adjustable rate residential mortgage loans are generally originated using secondary market underwriting and documentation standards.

Depending on the current interest rate environment, management projections of future interest rates and the overall asset-liability management program of the Company, management may elect to sell those fixed and adjustable rate residential mortgage loans which are eligible for sale in the secondary market, or hold some or all of this residential loan production for the Company's portfolio.  Mortgage loans are generally not pooled for sale, but instead sold on an individual basis. The Company may retain or sell the servicing when selling the loans.  Loans sold are subject to standard secondary market underwriting and eligibility representations and warranties over the life of the loan and are subject to an early payment default period covering the first four payments for certain loan sales. Loans classified as held for sale are carried as a separate line item on the balance sheet.

- Home equity loans and lines of credit:

Home equity term loans are originated for one-to-four family residential properties with maximum original loan to value ratios generally up to 80% of the assessed or appraised value of the property securing the loan.  Home equity loan payments consist of monthly principal and interest based on amortization ranging from three to fifteen years.  The rates may also be fixed for three to fifteen years.

The Company originates home equity revolving lines of credit for one-to-four family residential properties with maximum original loan to value ratios generally up to 80% of the appraised value of the property securing the loan.  Home equity lines generally have interest rates that adjust monthly based on changes in the Prime Rate, although minimum rates may be applicable.  Some home equity line rates may be fixed for a period of time and then adjusted monthly thereafter. The payment schedule for home equity lines requires interest only payments for the first ten years of the lines. Generally at the end of ten years, the line may be frozen to future advances, and principal plus interest payments are collected over a fifteen-year amortization schedule or, for eligible borrowers meeting certain requirements, the line availability may be extended for an additional interest only period.

- Consumer loans:

Consumer loans consist primarily of secured or unsecured personal loans, loans under energy efficiency financing programs in conjunction with Massachusetts public utilities, and overdraft protection lines on checking accounts extended to individual customers. The aggregate amount of overdrawn deposit accounts are reclassified as loan balances.

Loans serviced for others

At September 30, 2016 and December 31, 2015, the Company was servicing residential mortgage loans owned by investors amounting to $18.4 million and $18.5 million, respectively.  Additionally, the Company was servicing commercial loans participated out to various other institutions amounting to $62.4 million and $52.7 million at September 30, 2016 and December 31, 2015, respectively. See the discussion above for further information regarding commercial participations.

Loans serving as collateral

Loans designated as qualified collateral and pledged to the FHLB for borrowing capacity are summarized below:

(Dollars in thousands)	September 30, 2016		December 31, 2015
Commercial real estate	$	263,718	$	281,802
Residential mortgages	122,635		118,855
Home equity	13,309		13,972
Total loans pledged to FHLB	$	399,662	$	414,629

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Allowance For Loan Loss

9 Months Ended

Sep. 30, 2016

Receivables [Abstract]

Allowance for Loan Loss

Allowance for Loan Losses

Inherent in the lending process is the risk of loss due to customer non-payment, or "credit risk." The Company seeks to lessen its credit risk exposure by managing its loan portfolio to avoid concentration by industry and loan size, and through sound underwriting practices and the risk management function; however, management recognizes that loan losses will occur and that the amount of these losses will fluctuate depending on the risk characteristics of the loan portfolio and economic conditions.

The allowance for loan losses is an estimate of probable credit risk inherent in the loan portfolio as of the specified balance sheet dates. The Company maintains the allowance at a level that it deems adequate to absorb all reasonably anticipated probable losses from specifically known and other credit risks associated with the portfolio. In making its assessment on the adequacy of the allowance, management considers several quantitative and qualitative factors that could have an effect on the credit quality of the portfolio, including individual assessment of larger and high risk credits, delinquency trends and the level of non-performing loans, impaired, adversely classified, and restructured loans, net charge-offs, the growth and composition of the loan portfolio, expansion in the geographic market area, the experience level of lenders and changes in underwriting criteria, and the strength of the local and national economies, among other factors. However, despite prudent loan underwriting and ongoing credit risk management, adverse changes within the Company's market area or deterioration in the local, regional or national economic conditions could negatively impact the portfolio's credit risk profile and the Company's asset quality in the future.

There have been no material changes to the Company's underwriting practices, credit risk management system, or to the allowance assessment methodology used to estimate loan loss exposure as reported in the 2015 Annual Report on Form 10-K.  Refer to heading "Allowance for probable loan losses methodology" contained in Note 4 "Allowance For Loan Losses," to the Company's consolidated financial statements contained in the 2015 Annual Report on Form 10-K for further discussion of management's methodology used to estimate the loan loss exposure inherent in the portfolio for purposes of establishing a sufficient allowance.

Allowance for probable loan losses methodology

On a quarterly basis, management prepares an estimate of the allowance necessary to cover estimated probable credit losses.  The Company uses a systematic methodology to measure the amount of estimated loan loss exposure inherent in the portfolio for purposes of establishing a sufficient allowance for loan losses. The methodology makes use of specific reserves for loans individually evaluated and deemed impaired, and general reserves for larger groups of homogeneous loans, which are collectively evaluated relying on a combination of qualitative and quantitative factors that may affect credit quality of the pool.

The balances of loans as of September 30, 2016 by segment and evaluation method are summarized as follows: 

(Dollars in thousands)	Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Gross Loans
Commercial real estate	$	14,533	$	993,829	$	1,008,362
Commercial and industrial	10,343		480,247		490,590
Commercial construction	3,059		212,373		215,432
Residential mortgages	297		172,259		172,556
Home equity loans and lines	499		89,617		90,116
Consumer	3		10,631		10,634
Total gross loans	$	28,734	$	1,958,956	$	1,987,690

The balances of loans as of December 31, 2015 by segment and evaluation method are summarized as follows:

(Dollars in thousands)	Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Gross Loans
Commercial real estate	$	12,287	$	924,634	$	936,921
Commercial and industrial	7,810		450,743		458,553
Commercial construction	3,032		199,961		202,993
Residential mortgages	366		168,822		169,188
Home equity loans and lines	169		83,204		83,373
Consumer	24		10,723		10,747
Total gross loans	$	23,688	$	1,838,087	$	1,861,775

Credit quality indicators

Early detection of credit issues is critical to minimize credit losses. Accordingly, management regularly monitors internal credit quality indicators such as the risk classification of individual loans, adversely classified loans, past due and non-accrual loans, impaired and restructured loans, and the level of foreclosure activity, as well as trends in the general levels of these indicators. These credit quality indicators are discussed below.

Adversely classified loans

The Company's loan risk rating system classifies loans depending on risk of loss characteristics.  The classifications range from "substantially risk free" for the highest quality loans and loans that are secured by cash collateral, through a satisfactory range of "minimal," "moderate," "better than average," and "average" risk, to the regulatory problem-asset classifications of "criticized," for loans that may need additional monitoring, and the more severe adverse classifications of "substandard," "doubtful," and "loss" based on criteria established under banking regulations.

Loans classified as substandard include those loans characterized by the distinct possibility that the Company will sustain some loss if deficiencies are not corrected.  These loans are inadequately protected by the sound net worth and paying capacity of the borrower; repayment has become increasingly reliant on collateral liquidation or reliance on guarantees; credit weaknesses are well-defined; and borrower cash flow is insufficient to meet required debt service specified in loan terms and to meet other obligations, such as trade debt and tax payments.

Loans classified as doubtful have all the weaknesses inherent in a substandard rated loan with the added characteristic that the weaknesses make collection or full payment from liquidation, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.  The probability of loss is extremely high, but because of certain important and reasonably specific pending factors which may work to the advantage and strengthening of the loan, its classification as an estimated loss is deferred until more exact status may be determined.

Loans classified as loss are generally considered uncollectible at present, although long-term recovery of part or all of loan proceeds may be possible.  These "loss" loans would require a specific loss reserve or charge-off.

Adversely classified loans may be accruing or in non-accrual status and may be additionally designated as impaired or restructured, or some combination thereof.  Loans which are evaluated to be of weaker credit quality are reviewed on a more frequent basis by management.

The following tables present the Company's credit risk profile for each class of loan in its portfolio by internally assigned risk rating category at the periods indicated. 

	September 30, 2016
	Adversely Classified						Not Adversely
(Dollars in thousands)	Substandard		Doubtful		Loss		Classified		Gross Loans
Commercial real estate	$	16,280	$	—	$	—	$	992,082	$	1,008,362
Commercial and industrial	13,044		182		2		477,362		490,590
Commercial construction	1,636		—		—		213,796		215,432
Residential mortgages	1,190		—		—		171,366		172,556
Home equity loans and lines	658		—		—		89,458		90,116
Consumer	31		—		—		10,603		10,634
Total gross loans	$	32,839	$	182	$	2	$	1,954,667	$	1,987,690

	December 31, 2015
	Adversely Classified						Not Adversely
(Dollars in thousands)	Substandard		Doubtful		Loss		Classified		Gross Loans
Commercial real estate	$	12,487	$	—	$	—	$	924,434	$	936,921
Commercial and industrial	8,670		—		3		449,880		458,553
Commercial construction	1,776		—		—		201,217		202,993
Residential mortgages	1,278		—		—		167,910		169,188
Home equity loans and lines	503		—		5		82,865		83,373
Consumer	38		11		—		10,698		10,747
Total gross loans	$	24,752	$	11	$	8	$	1,837,004	$	1,861,775

Total adversely classified loans amounted to 1.66% of total loans at September 30, 2016, as compared to 1.33% at December 31, 2015. At September 30, 2016, as compared to December 31, 2015, adversely classified balances increased, due primarily to four larger commercial relationships downgraded during the period with a net aggregate carrying value of approximately $17.5 million, partially offset by payoffs, credit upgrades and principal payments. Although some weaknesses had been identified necessitating the downgrades, these loans continued to perform in accordance with their original terms.

Past due and non-accrual loans

Loans on which the accrual of interest has been discontinued are designated as non-accrual and the classified portions are credit downgraded to one of the adversely classified categories noted above.  Accrual of interest on loans is generally discontinued when a loan becomes contractually past due, with respect to interest or principal, by 90 days, or when reasonable doubt exists as to the full and timely collection of interest or principal. When a loan is placed on non-accrual status, all interest previously accrued but not collected is reversed against current period interest income. Interest payments received on loans in a non-accrual status are generally applied to principal on the books of the Company. Interest accruals are resumed on such loans only when payments are brought current and have remained current for a period of 180 days and when, in the judgment of management, the collectability of both principal and interest is reasonably assured. Additionally, deposit accounts overdrawn for 90 or more days are included in the consumer non-accrual balances below.

 The following tables present an age analysis of past due loans as of the dates indicated. 

	Balance at September 30, 2016
(Dollars in thousands)	Loans 30-59 Days Past Due		Loans 60-89 Days Past Due		Loans Past Due 90 days or more		Total Past Due Loans		Current Loans		Gross Loans		Non-accrual Loans
Commercial real estate	$	5,030	$	822	$	1,319	$	7,171	$	1,001,191	$	1,008,362	$	5,639
Commercial and industrial	198		385		1,236		1,819		488,771		490,590		3,128
Commercial construction	2,866		—		—		2,866		212,566		215,432		209
Residential mortgages	1,552		—		103		1,655		170,901		172,556		297
Home equity loans and lines	680		60		296		1,036		89,080		90,116		607
Consumer	106		4		8		118		10,516		10,634		8
Total gross loans	$	10,432	$	1,271	$	2,962	$	14,665	$	1,973,025	$	1,987,690	$	9,888

	Balance at December 31, 2015
(Dollars in thousands)	Loans 30-59 Days Past Due		Loans 60-89 Days Past Due		Loans Past Due 90 days or more		Total Past Due Loans		Current Loans		Gross Loans		Non-accrual Loans
Commercial real estate	$	1,641	$	1,532	$	3,256	$	6,429	$	930,492	$	936,921	$	8,506
Commercial and industrial	1,332		693		2,125		4,150		454,403		458,553		4,323
Commercial construction	581		—		7		588		202,405		202,993		335
Residential mortgages	354		280		57		691		168,497		169,188		366
Home equity loans and lines	634		9		73		716		82,657		83,373		288
Consumer	36		15		7		58		10,689		10,747		27
Total gross loans	$	4,578	$	2,529	$	5,525	$	12,632	$	1,849,143	$	1,861,775	$	13,845

The past due figures above may include those loans that have also been designated as non-accrual despite their payment due status. At September 30, 2016 and December 31, 2015, all loans 90 days or more past due were carried as non-accrual. Non-accrual loans that were not adversely classified amounted to $254 thousand at September 30, 2016 and $402 thousand at December 31, 2015. These balances primarily represented the guaranteed portions of non-performing SBA loans. The majority of the non-accrual loan balances were also carried as impaired loans during the periods noted, and are discussed further below. The increase in loans 30-59 days past due category occurred primarily within the commercial real estate and commercial construction portfolios at September 30, 2016 , with the majority of these loans having subsequent payments made by mid-October.

The ratio of non-accrual loans to total loans amounted to 0.50% at September 30, 2016, 0.74% at December 31, 2015, and 0.81% at September 30, 2015. Non-accrual loan balances decreased due primarily to several larger commercial loan payoffs and principal payments, partially offset by additional loans added to non-accrual status during the period.

The Company's obligation to fulfill the additional funding commitments on non-accrual loans is generally contingent on the borrower's compliance with the terms of the credit agreement. If the borrower is not in compliance, additional funding commitments may or may not be made at the Company's discretion. At September 30, 2016 additional funding commitments for non-accrual loans was not material.

Impaired loans

Impaired loans are individually significant loans for which management considers it probable that not all amounts due (principal and interest) in accordance with the original contractual terms will be collected.  The majority of impaired loans are included within the non-accrual balances; however, not every loan on non-accrual status has been designated as impaired.  Impaired loans include loans that have been modified in a troubled debt restructuring (or "TDR," see below).  Impaired loans exclude large groups of smaller-balance homogeneous loans, such as residential mortgage loans and consumer loans, which are collectively evaluated for impairment, and loans that are measured at fair value, unless the loan is amended in a TDR. 

Management does not set any minimum delay of payments as a factor in reviewing for impaired classification.  Management considers the individual payment status, net worth and earnings potential of the borrower, and the value and cash flow of the collateral as factors to determine if a loan will be paid in accordance with its contractual terms. An impaired or TDR loan classification will be considered for upgrade based on the borrower's sustained performance over time and their improving financial condition. Consistent with the criteria for returning non-accrual loans to accrual status, the borrower must demonstrate the ability to continue to service the loan in accordance with the original or modified terms and, in the judgment of management, the collectability of the remaining balances, both principal and interest, are reasonably assured. In the case of TDR loans having had a modified interest rate, that rate must be at, or greater than, a market rate for a similar credit at the time of modification for an upgrade to be considered.

Impaired loans are individually evaluated for credit loss and a specific allowance reserve is assigned for the amount of the estimated probable credit loss.  Refer to heading "Allowance for probable loan losses methodology" contained in Note 4 "Allowance For Loan Losses," to the Company's consolidated financial statements contained in the 2015 Annual Report on Form 10-K for further discussion of management's methodology used to estimate specific reserves for impaired loans.

The carrying value of impaired loans amounted to $28.7 million and $23.7 million at September 30, 2016 and December 31, 2015, respectively.  Total accruing impaired loans amounted to $19.0 million and $10.1 million at September 30, 2016 and December 31, 2015, respectively, while non-accrual impaired loans amounted to $9.7 million and $13.6 million as of September 30, 2016 and December 31, 2015, respectively.  In the current period, among other downgrades to impaired status, the credit rating of one larger commercial relationship (having both commercial real estate and commercial & industrial components) with a net carrying value of approximately $7.8 million was downgraded to an adverse risk rating and also designated as accruing-impaired based on a review of the individual business circumstances. These downgrades were partially offset by principal pay-downs, credit upgrades, and charge-offs during the period.

The following tables set forth the recorded investment in impaired loans and the related specific allowance allocated as of the dates indicated.

	Balance at September 30, 2016
(Dollars in thousands)	Unpaid contractual principal balance		Total recorded investment in impaired loans		Recorded investment with no allowance		Recorded investment with allowance		Related specific allowance
Commercial real estate	$	16,332	$	14,533	$	12,568	$	1,965	$	518
Commercial and industrial	11,150		10,343		7,752		2,591		975
Commercial construction	3,098		3,059		1,632		1,427		473
Residential mortgages	391		297		297		—		—
Home equity loans and lines	646		499		499		—		—
Consumer	3		3		—		3		2
Total	$	31,620	$	28,734	$	22,748	$	5,986	$	1,968

	Balance at December 31, 2015
(Dollars in thousands)	Unpaid contractual principal  balance		Total recorded investment in impaired loans		Recorded investment with no allowance		Recorded investment with allowance		Related specific allowance
Commercial real estate	$	14,903	$	12,287	$	11,734	$	553	$	186
Commercial and industrial	9,816		7,810		5,253		2,557		1,078
Commercial construction	3,147		3,032		1,583		1,449		499
Residential mortgages	453		366		366		—		—
Home equity loans and lines	308		169		164		5		5
Consumer	25		24		—		24		24
Total	$	28,652	$	23,688	$	19,100	$	4,588	$	1,792

The following table presents the average recorded investment in impaired loans and the related interest recognized during the three months indicated:

	Three Months Ended September 30, 2016					Three Months Ended September 30, 2015
(Dollars in thousands)	Average recorded investment		Interest income recognized			Average recorded investment		Interest income recognized
Commercial real estate	$	14,828	$	107		$	13,360	$	56
Commercial and industrial	9,889		69			8,567		16
Commercial construction	3,113		39			1,834		17
Residential mortgages	300		—			440		—
Home equity loans and lines	368		(2		)	174		1
Consumer	13		1			47		—
Total	$	28,511	$	214		$	24,422	$	90

The following table presents the average recorded investment in impaired loans and the related interest recognized during the nine month periods indicated:

	Nine Months Ended September 30, 2016					Nine Months Ended September 30, 2015
(Dollars in thousands)	Average recorded investment		Interest income recognized			Average recorded investment		Interest income recognized
Commercial real estate	$	12,399	$	214		$	14,277	$	153
Commercial and industrial	8,801		134			9,881		74
Commercial construction	3,059		113			2,142		59
Residential mortgages	304		—			449		—
Home equity loans and lines	307		(4		)	177		2
Consumer	18		1			48		—
Total	$	24,888	$	458		$	26,974	$	288

At September 30, 2016, additional funding commitments for impaired loans totaled $394 thousand. The Company's obligation to fulfill the additional funding commitments on impaired loans is generally contingent on the borrower's compliance with the terms of the credit agreement. If the borrower is not in compliance, additional funding commitments may or may not be made at the Company's discretion.

Troubled debt restructurings

Loans are designated as a TDR when, as part of an agreement to modify the original contractual terms of the loan as a result of financial difficulties of the borrower, the Bank grants the borrower a concession on the terms, that would not otherwise be considered.  Typically, such concessions may consist of a reduction in interest rate to a below market rate, taking into account the credit quality of the note, extension of additional credit based on receipt of adequate collateral, or a deferment or reduction of payments (principal or interest) which materially alters the Bank's position or significantly extends the note's maturity date, such that the present value of cash flows to be received is materially less than those contractually established at the loan's origination. All loans that are modified are reviewed by the Company to identify if a TDR has occurred. TDR loans are included in the impaired loan category and, as such, these loans are individually evaluated and a specific reserve is assigned for the amount of the estimated probable credit loss. 

Total TDR loans, included in the impaired loan balances above, as of September 30, 2016 and December 31, 2015, were $24.1 million and $17.1 million, respectively. The increase in TDR loans was primarily due to the impaired commercial relationship noted above, with a net carrying value of approximately $7.8 million, also being designated as a TDR due to additional funding of $1.5 million after the pledge of additional collateral by the borrower. TDR loans on accrual status amounted to $18.9 million and $10.1 million at September 30, 2016 and December 31, 2015, respectively. TDR loans included in non-performing loans amounted to $5.2 million and $7.1 million at September 30, 2016 and December 31, 2015, respectively. The Company continues to work with commercial relationships and enters into loan modifications to the extent deemed to be necessary or appropriate while attempting to achieve the best mutual outcome given the individual financial circumstances and future prospects of the borrower.

At September 30, 2016, additional funding commitments for TDR loans totaled $394 thousand. The Company's obligation to fulfill the additional funding commitments on TDR loans is generally contingent on the borrower's compliance with the terms of the credit agreement. If the borrower is not in compliance, additional funding commitments may or may not be made at the Company's discretion.

The following tables present certain information regarding loan modifications classified as troubled debt restructurings.

Loans modified as troubled debt restructurings during the three-month period ended September 30, 2016 are detailed below. 

	Three months ended September 30, 2016
(Dollars in thousands)	Number of restructurings	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment
Commercial real estate	3	$	532	$	2,026
Commercial and industrial	2	224		200
Commercial construction	—	—		—
Residential mortgages	—	—		—
Home equity loans and lines	—	—		—
Consumer	—	—		—
Total	5	$	756	$	2,226

Payment defaults, during the three-month period ended September 30, 2016, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Three months ended September 30, 2016
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	1	$	148
Commercial and industrial	—	—
Commercial construction	1	1,188
Residential mortgages	—	—
Home equity loans and lines	—	—
Consumer	—	—
Total	2	$	1,336

Loans modified as troubled debt restructurings during the nine months endedSeptember 30, 2016 are detailed below.

	Nine months ended September 30, 2016
(Dollars in thousands)	Number of restructurings	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment
Commercial real estate	7	$	5,624	$	7,016
Commercial and industrial	8	2,282		2,237
Commercial construction	—	—		—
Residential mortgages	—	—		—
Home equity loans and lines	—	—		—
Consumer	—	—		—
Total	15	$	7,906	$	9,253

Payment defaults, during the nine months endedSeptember 30, 2016, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Nine months ended September 30, 2016
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	1	$	148
Commercial and industrial	2	389
Commercial construction	1	1,188
Residential mortgages	—	—
Home equity loans and lines	—	—
Consumer	—	—
Total	4	$	1,725

There were no subsequent charge-offs associated with the TDRs noted in the table above during the nine months endedSeptember 30, 2016. At September 30, 2016, there were $204 thousand specific reserves allocated to the TDRs entered into during the 2016 period as management considered it likely that the unreserved principal will ultimately be collected. Interest payments received on non-accruing TDRs in the table above which were applied to principal and not recognized in interest income during the nine months endedSeptember 30, 2016 were not material.

There were no loans modified as troubled debt restructurings during the three month period ended September 30, 2015.

Payment defaults, during the three months endedSeptember 30, 2015, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Three months ended September 30, 2015
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	—	$	—
Commercial and industrial	2	679
Commercial construction	—	—
Residential	—	—
Home Equity	—	—
Consumer	—	—
Total	2	$	679

Loans modified as troubled debt restructurings during the nine month period ended September 30, 2015 are detailed below. 

	Nine months ended September 30, 2015
(Dollars in thousands)	Number of restructurings	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment
Commercial real estate	3	$	269	$	274
Commercial and industrial	4	869		823
Commercial construction	—	—		—
Residential mortgages	—	—		—
Home equity loans and lines	—	—		—
Consumer	1	4		3
Total	8	$	1,142	$	1,100

Payment defaults, during the nine month period ended September 30, 2015, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Nine months ended September 30, 2015
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	—	$	—
Commercial and industrial	2	679
Commercial construction	—	—
Residential	—	—
Home Equity	—	—
Consumer	—	—
Total	2	$	679

At September 30, 2015, there were specific reserves of $20 thousand allocated to the TDRs entered into during the 2015 period as management considered it likely that the unreserved principal would ultimately be collected. Interest payments received on non-accruing TDRs in the table above which were applied to principal and not recognized in interest income during the nine months ended amounted to $18 thousand.

There were no subsequent charge-offs associated with the TDRs noted in the table above during the nine months endedSeptember 30, 2015.

Other real estate owned ("OREO")

Real estate acquired by the Company through foreclosure proceedings or the acceptance of a deed in lieu of foreclosure is classified as OREO. When property is acquired, it is generally recorded at the lesser of the loan's remaining principal balance, net of any unamortized deferred fees, or the estimated fair value of the property acquired, less estimated costs to sell, establishing a new cost basis. The estimated fair value is based on market appraisals and the Company's internal analysis. Any loan balance in excess of the estimated realizable fair value on the date of transfer is charged to the allowance for loan losses on that date. All costs incurred thereafter in maintaining the property, as well as subsequent declines in fair value, are charged to non-interest expense.

The Company carried no OREO at either September 30, 2016 or December 31, 2015. There were no sales on OREO during the nine months endedSeptember 30, 2016; there were also no additions to OREO, or subsequent impairment write-downs during the period. During the nine months endedSeptember 30, 2015, the Company recorded $154 thousand of net gains on OREO sales; there were no subsequent write-downs of OREO during that period.

At September 30, 2016, the Company had consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process according to local requirements of the applicable jurisdictions totaling $325 thousand compared with none at December 31, 2015.

Allowance for loan loss activity

The allowance for loan losses is established through a provision for loan losses, a direct charge to earnings.  Loan losses are charged against the allowance when management believes that the collectability of the loan principal is unlikely.  Recoveries on loans previously charged-off are credited to the allowance.

The allowance for loan losses amounted to $31.6 million at September 30, 2016, compared to $29.0 million at December 31, 2015, and $28.1 million at September 30, 2015. For the nine months endedSeptember 30, 2016 and September 30, 2015, the provision for loan losses amounted to $2.5 million and $2.1 million, respectively. The increase in the provision for 2016 was due primarily to credit downgrades (partially offset by a lower level of charge-offs), and the higher level of loan growth during the 2016 period, as compared to the 2015 period as noted below.

In determining the provision to the allowance for loan losses, management takes into consideration the level of loan growth and an estimate of credit risk, which includes such items as adversely classified and non-performing loans, the estimated specific reserves needed for impaired loans, the level of net charge-offs, and the estimated impact of current economic conditions on credit quality. Loan growth for the nine months endedSeptember 30, 2016 was $125.9 million compared to $118.0 million during the nine months endedSeptember 30, 2015. Total non-performing loans as a percentage of total loans declined to 0.50% at September 30, 2016, compared to 0.81% at September 30, 2015. The Company recorded net recoveries of $78 thousand for the nine months endedSeptember 30, 2016, compared to net charge-offs of $1.1 million for the nine months endedSeptember 30, 2015. The balance of the allowance for loan losses allocated to impaired and classified loans amounted to $4.1 million at September 30, 2016, compared to $3.2 million at September 30, 2015. During the current period. management downgraded the credit rating three larger commercial relationships to "criticized" or "adverse" risk ratings, based on a review of their individual business circumstances, requiring higher levels of reserves in the current period, which increased the provision and the allowance to total loan ratio compared to December 31, 2015; however, these loans continue to perform in accordance with their original terms.

The allowance for loan losses to total loans ratio was 1.59% at September 30, 2016, 1.56% at December 31, 2015 and 1.57% at September 30, 2015. As noted above, during the nine months endedSeptember 30, 2016, the credit ratings of three larger commercial relationships were downgraded to "criticized" or "adverse" risk-ratings, based on a review of their individual business circumstances, requiring higher levels of reserves in the current period which increased the allowance to total loan ratio compared to December 31, 2015.

Based on management's judgment as to the existing credit risks inherent in the loan portfolio, as discussed above under the heading "Credit Quality Indicators," management believes that the Company's allowance for loan losses is adequate to absorb probable losses from specifically known and other credit risks associated with the portfolio as of September 30, 2016.

Changes in the allowance for loan losses by portfolio segment for the three months endedSeptember 30, 2016 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial		Cmml Constr		Resid. Mortgage		Home Equity		Consumer		Total
Beginning Balance at June 30, 2016	$	14,514	$	9,913	$	4,056	$	1,085	$	552	$	225	$	30,345
Provision	581		761		22		17		4		1		1,386
Recoveries	—		28		—		—		—		1		29
Less: Charge offs	—		151		—		—		—		20		171
Ending Balance at September 30, 2016	$	15,095	$	10,551	$	4,078	$	1,102	$	556	$	207	$	31,589

Changes in the allowance for loan losses by segment for the nine months endedSeptember 30, 2016 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial		Cmml Constr		Resid. Mortgage		Home Equity		Consumer		Total
Beginning Balance at December 31, 2015	$	13,514	$	9,758	$	3,905	$	1,061	$	540	$	230	$	29,008
Provision	1,740		510		178		41		19		15		2,503
Recoveries	20		637		—		—		2		4		663
Less: Charge offs	179		354		5		—		5		42		585
Ending Balance at September 30, 2016	$	15,095	$	10,551	$	4,078	$	1,102	$	556	$	207	$	31,589
Ending allowance balance:
Allocated to loans individually evaluated for impairment	$	518	$	975	$	473	$	—	$	—	$	2	$	1,968
Allocated to loans collectively evaluated for impairment	$	14,577	$	9,576	$	3,605	$	1,102	$	556	$	205	$	29,621

Changes in the allowance for loan losses by segment for the three months endedSeptember 30, 2015 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial			Cmml Constr		Resid. Mortgage			Home Equity			Consumer		Total
Beginning Balance at June 30, 2015	$	12,864	$	10,022		$	3,447	$	1,022		$	575		$	232	$	28,162
Provision	435		(311		)	207		(50		)	(52		)	21		250
Recoveries	—		65			—		—			1			2		68
Less: Charge offs	108		232			—		—			—			10		350
Ending Balance at September 30, 2015	$	13,191	$	9,544		$	3,654	$	972		$	524		$	245	$	28,130

Changes in the allowance for loan losses by segment for the nine months endedSeptember 30, 2015 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial		Cmml Constr		Resid. Mortgage			Home Equity			Consumer		Total
Beginning Balance at December 31, 2014	$	12,664	$	9,245	$	3,384	$	989		$	608		$	231	$	27,121
Provision	630		1,268		245		(17		)	(99		)	73		2,100
Recoveries	5		232		25		—			15			14		291
Less: Charge offs	108		1,201		—		—			—			73		1,382
Ending Balance at September 30, 2015	$	13,191	$	9,544	$	3,654	$	972		$	524		$	245	$	28,130
Ending allowance balance:
Allocated to loans individually evaluated for impairment	$	160	$	1,265	$	516	$	—		$	—		$	44	$	1,985
Allocated to loans collectively evaluated for impairment	$	13,031	$	8,279	$	3,138	$	972		$	524		$	201	$	26,145

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Deposits

9 Months Ended

Sep. 30, 2016

Deposits [Abstract]

Deposits

Deposits

Deposits are summarized as follows:

(Dollars in thousands)	September 30, 2016		December 31, 2015
Non-interest bearing demand deposits	$	645,907	$	570,589
Interest bearing checking	346,957		313,674
Savings	181,653		167,304
Money market	815,861		692,114
Certificates of deposit $250,000 or less	127,520		129,993
Certificates of deposit more than $250,000	44,371		37,704
Total non-brokered deposits (1)	2,162,269		1,911,378
Brokered deposits (2)	59,340		106,770
Total deposits	$	2,221,609	$	2,018,148

__________________________________________

⁽¹⁾    Includes reciprocal money market deposits and CDs received from participating banks in nationwide networks as a result of our customers electing to participate in programs to obtain full FDIC insurance. Essentially, the equivalent of the original deposit comes back to the Company as non-brokered deposits within the appropriate category under total deposits on the balance sheet.

⁽²⁾  Primarily brokered CDs $250,000 and under.

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Borrowed Funds and Subordinated Debt

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Borrowed Funds and Subordinated Debt

Borrowed Funds and Subordinated Debt

Borrowed funds amounted to $671 thousand at September 30, 2016, compared to $53.7 million at December 31, 2015. At September 30, 2016 borrowed funds consisted of FHLB borrowings only. At December 31, 2015, the borrowed funds balance was comprised of FHLB borrowings of $40.7 million and an overnight borrowing with a correspondent bank, totaling $13.0 million.

The Company also carried subordinated debt of $14.8 million at both September 30, 2016 and December 31, 2015, which consisted of $15.0 million in aggregate principal amount of Fixed-to-Floating Rate Subordinated Notes (the "Notes"), issued in January 2015, in a private placement to an accredited investor. The Notes, which are intended to qualify as Tier 2 capital for regulatory purposes, mature on January 30, 2030 (the "Maturity Date") and are callable by the Company, subject to regulatory approval, at a premium beginning January 30, 2020, and at par beginning January 30, 2025. The Notes pay interest at a fixed rate of 6.00% per annum through January 30, 2025, and beginning on January 31, 2025 through the Maturity Date, or any early redemption date, the interest rate on the Notes will adjust monthly at an interest rate of 3.90% plus 30-day LIBOR. Original note issuance costs were $190 thousand and have been netted against the subordinated debt on the balance sheet in accordance with accounting guidance that the Company adopted in the first quarter of 2015. These costs are being amortized over the life of the Notes.

In March 2015, the Company used the net proceeds from the issuance of the Notes to pay off $10.8 million of outstanding Junior Subordinated debentures that originated in 2000, from the sale of trust preferred securities by Enterprise Capital Trust (the "Trust"), a former subsidiary of the Company. The pay down of this debt allowed the trust preferred securities to be redeemed in full and the Trust to subsequently be dissolved in April 2015.

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Derivatives and Hedging Activities

9 Months Ended

Sep. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Hedging Activities

Derivatives and Hedging Activities

Interest rate lock commitments related to the origination of mortgage loans that will be sold are considered derivative instruments.  The commitments to sell loans are also considered derivative instruments. The Company generally does not pool mortgage loans for sale, but instead, sells the loans on an individual basis. To reduce the net interest rate exposure arising from its loan sale activity, the Company enters into the commitment to sell these loans at essentially the same time that the interest rate lock commitment is quoted on the origination of the loan. The Company estimates the fair value of these derivatives based on current secondary mortgage market prices. At September 30, 2016 and 2015, the estimated fair values of these derivative instruments were considered to be immaterial.

Beginning in the fourth quarter of 2015, the Company implemented a “Back-to-Back Swap” program whereby the Bank enters into an interest rate swap with a qualified commercial banking customer and simultaneously enters into an equal and opposite interest rate swap with a counterparty. The customer interest rate swap agreement allows commercial banking customers to convert a floating-rate loan payment to fixed-rate loan payment. The transaction structure effectively minimizes the Bank’s net risk exposure resulting from such transactions. Customer related credit risk is minimized by the cross collateralization of the loan and the interest rate swap agreement.

Back-to-Back Swaps are not speculative but rather, result from a service the Company provides to certain customers. Back-to-Back Swaps do not meet hedge accounting requirements and therefore changes in the fair value of both the customer swaps and the counterparty swaps, which have an inverse equal relationship, are recognized directly in earnings. As such, there was no net gain or loss recognized in income on Back-to-Back Swaps during the three months endedSeptember 30, 2016.

The Company had four interest-rate swaps at September 30, 2016 with an aggregate notional amount of $26.8 million compared to two interest-rate swaps with an aggregate notional amount of $10.1 million at December 31, 2015.

Asset derivatives and liability derivatives are included in prepaid expenses and other assets and accrued expenses and other liabilities on the consolidated balance sheets, respectively.

The table below presents the fair value and classification of the Company’s derivative financial instruments for the periods presented:

	As of September 30, 2016				As of December 31, 2015
(Dollars in thousands)	Asset Derivatives		Liability Derivatives		Asset Derivatives		Liability Derivatives
Back-to-Back Swaps	$	318	$	318	$	16	$	16

By using derivative financial instruments, the Company exposes itself to counterparty credit risk. Credit risk is the risk of failure by the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is positive, the counterparty owes the Company, which creates credit risk for the Company. When the fair value of a derivative is negative, the Company owes the counterparty and, therefore, it does not possess credit risk. The credit risk in derivative instruments is mitigated by entering into transactions with highly-rated counterparties that management believes to be creditworthy. The Company did not have any counterparty credit risk exposure for derivative financial instruments at September 30, 2016.

Certain derivative agreements contain provisions that require the Company to post collateral if the derivative exposure exceeds a threshold amount. See the table below for amounts held at each period presented. The table below also presents the Company's asset and liability derivative positions and the potential effect of netting arrangements on its financial position, as of the periods presented.

	September 30, 2016
	Gross Amounts of Recognized Asset/Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross amounts not offset in the Statement of Financial Position
(Dollars in thousands)							Financial Instruments		Cash collateral (Received)/Posted		Net Amount
Asset Derivatives
Back-to-Back Swaps	$	318	$	—	$	318	$	—	$	—	$	318
Liability Derivatives
Back-to-Back Swaps	$	318	$	—	$	318	$	—	$	340	$	(22	)

	December 31, 2015
	Gross Amounts of Recognized Asset/Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross amounts not offset in the Statement of Financial Position
(Dollars in thousands)							Financial Instruments		Cash collateral (Received)/Posted		Net Amount
Asset Derivatives
Back-to-Back Swaps	$	16	$	—	$	16	$	—	$	—	$	16
Liability Derivatives
Back-to-Back Swaps	$	16	$	—	$	16	$	—	$	—	$	16

The Company has agreements with certain derivative counterparties that contain credit-risk-related contingent provisions. These provisions provide the counterparty with the right to terminate its derivative positions and require the Company to settle its obligations under the agreements if the Company defaults on certain of its indebtedness.

The Company also participates in loans originated by third party banks, where the originating bank utilizes a back-to-back interest rate swap structure; however, the Company is not a party to the swap agreements. Under the terms of the loan participations, the Company has accepted contingent liabilities that would only occur if the swaps were terminated early and there were outstanding losses not covered by the underlying borrowers and the borrowers' pledged collateral.  If applicable, the Company’s swap loss exposure would be equal to the percentage of the Company’s participation in the underlying loan applied to the originating bank's swap loss.  At September 30, 2016, the Company had two such participation loans and management considers the risk of material swap loss exposure to be unlikely based on the swap mark-to-market and the borrower's underlying collateral and financial strength. At December 31, 2015, the Company did not have any of these agreements.

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Supplemental Retirement Plan and Other Postretirement Benefit Obligations

9 Months Ended

Sep. 30, 2016

Compensation and Retirement Disclosure [Abstract]

Supplemental Retirement Plan and Other Postretirement Benefit Obligations

Supplemental Retirement Plan and Other Postretirement Benefit Obligations

Supplemental Employee Retirement Plan ("SERP")

The Company has salary continuation agreements with two of its current executive officers and one former executive officer. These agreements provide for predetermined fixed-cash supplemental retirement benefits to be provided for a period of 20 years after each individual reaches a defined "benefit age." The individuals covered under the SERP have reached the defined benefit age and are receiving payments under the plan. Additionally, the Company has not recognized service costs in the current or prior year as each officer had previously attained their individually defined benefit age and was fully vested under the plan.

This non-qualified plan represents a direct liability of the Company, and as such has no specific assets set aside to settle the benefit obligation.  The funded status is the aggregate amount accrued, or the "accumulated benefit obligation," which is equal to the present value of the benefits to be provided to the employee or any beneficiary.  Because the Company's benefit obligations provide for predetermined fixed-cash payments, the Company does not have any unrecognized costs to be included as a component of accumulated other comprehensive income.

Total net periodic benefit costs, comprised of interest costs only, were $31 thousand and $93 thousand for both the three and nine months ended September 30, 2016, compared to $31 thousand and $94 thousand for the three and nine months ended September 30, 2015.

Benefits paid amounted to $69 thousand and $207 thousand for both the three and nine months ended September 30, 2016 and September 30, 2015. The Company anticipates accruing an additional $31 thousand to the SERP during the remainder of 2016.

Supplemental Life Insurance

The Company has provided supplemental life insurance through split-dollar life insurance arrangements for certain executive and senior officers on whom the Bank owns bank-owned life insurance ("BOLI").

These arrangements provide a death benefit to the officer's designated beneficiaries that extend to postretirement periods for some of the supplemental life insurance plans. The Company has recognized a liability for these future postretirement benefits.

These non-qualified plans represent a direct liability of the Company, and as such has no specific assets set aside to settle the benefit obligation.  The funded status is the aggregate amount accrued, or the "accumulated postretirement benefit obligation," which is the present value of the post-retirement benefits associated with this arrangement.

The following table illustrates the net periodic post-retirement benefit cost for the supplemental life insurance plans for the periods indicated:

	Three months ended September 30,						Nine months ended September 30,
(Dollars in thousands)	2016			2015			2016			2015
Service Cost	$	(2	)	$	(1	)	$	(7	)	$	(3	)
Interest Cost	22			19			64			58
Net periodic post-retirement benefit cost	$	20		$	18		$	57		$	55

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Stock-Based Compensation

9 Months Ended

Sep. 30, 2016

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

Stock-Based Compensation

Stock-Based Compensation

The Company currently has three individual stock incentive plans: the 2003 plan as amended in 2009, the 2009 plan as amended in 2015 and the 2016 plan. The 2016 plan which was approved by the Company's stockholders at the May 2016 annual meeting, has essentially the same terms as the 2003 and 2009 plans. The plans permit the Board of Directors to grant, under various terms, both incentive and non-qualified stock options (for the purchase of newly issued shares of common stock), restricted stock, restricted stock units and stock appreciation rights to officers and other employees, directors and consultants. These plans also allow for newly issued shares of common stock to be issued without restrictions to officers and other employees, directors and consultants.  As of September 30, 2016, an aggregate of 469,745 shares remain available for future grants under the 2009 and 2016 plans. The 2003 plan is closed to future grants, although several awards previously granted under this plan remain outstanding and may be exercised in the future.

The Company's stock-based compensation expense includes stock options and stock awards to officers and other employeesincluded in salary and benefits expense, and stock awards and stock compensation in lieu of cash fees to non-employee directors included in other operating expenses.  Total stock-based compensation expense was $444 thousand and $1.3 million for the three and nine months ended September 30, 2016, compared to $411 thousand and $1.4 million for the three and nine months ended September 30, 2015.

Stock Option Awards

The Company recognized stock-based compensation expense related to stock option awards of $63 thousand and $205 thousand for the three and nine months ended September 30, 2016, compared to $71 thousand and $247 thousand for the three and nine months ended September 30, 2015.

The Company utilizes the Black-Scholes option valuation model in order to determine the per share grant date fair value of option grants.

The table below provides a summary of the options granted in 2016 and 2015.

	Nine Months Ended September 30,
	2016			2015
Options granted	31,047			27,376
Term in years	10			10
Weighted average assumptions used in the fair value model:
Expected volatility	42		%	47		%
Expected dividend yield	3.02		%	2.90		%
Expected life in years	7			7
Risk-free interest rate	1.91		%	1.95		%
Weighted average market price on date of grants	$	21.91		$	21.03
Per share weighted average fair value	$	7.91		$	8.51
Fair value as a percentage of market value at grant date	36		%	40		%

Options granted during the first nine months of 2016 and 2015 generally vest 50% in year two and 50% in year four, on the anniversary date of the awards. Vested options are only exercisable while the employee remains employed with the Bank and for a limited time thereafter. If a grantee’s employment or other service relationship, such as service as a director, is terminated for any reason, then any stock options granted that have not vested as of the time of such termination generally must be forfeited, unless the Compensation Committee or the Board of Directors, as the case may be, waives such forfeiture requirement.

Refer to Note 11 "Stock-Based Compensation Plans" in the Company's 2015 Annual Report on Form 10-K for a further description of the assumptions used in the valuation model.

Stock Awards

Stock-based compensation expense recognized in association with stock awards amounted to $322 thousand and $939 thousand for the three and nine months ended September 30, 2016, compared to $295 thousand and $928 thousand for the three and nine months ended September 30, 2015.

Restricted stock awards are granted at the market price on the date of the grant. Employee awards generally vest over four years in equal portions beginning on or about the first anniversary date of the award or are performance based awards that vest upon the Company achieving certain predefined performance objectives. Non-employee director awards generally vest over two years in equal portions beginning on or about the first anniversary date of the award.

The table below provides a summary of restricted stock awards granted in 2016 and 2015.

	Nine Months Ended September 30,
Restricted Stock Awards	2016		2015
Two Year Vesting	9,060		7,276
Four Year Vesting	18,298		17,775
Performance-Based Vesting	35,071		30,262
Total Restricted Stock Awards	62,429		55,313
Weighted average grant date fair value	$	21.90	$	21.03

If a grantee's employment or other service relationship, such as service as a director, is terminated for any reason, then any shares of restricted stock granted that have not vested as of the time of such termination generally must be forfeited, unless the Compensation Committee or the Board of Directors, as the case may be, waives such forfeiture requirement.

The restricted stock awards allow for the receipt of dividends, and the voting of all shares, whether or not vested, throughout the vesting periods at the same proportional level as common shares outstanding.

Upon vesting, restricted stock awards may be net share-settled to cover payment for employee tax obligations, resulting in shares of common stock being reacquired by the Company. In accordance with Chapter 156D of the Massachusetts General Laws, a statute known as the Massachusetts Business Corporation Act, which applies to Massachusetts corporations such as the Company, eliminates the concept of “treasury stock” and provides that shares a Massachusetts company reacquires will be treated as authorized but unissued shares.

Any shares that are returned to the Company prior to vesting or as payment for employee tax obligations upon vesting shall remain available for issuance under such plan, while the plan is still open.

Stock in Lieu of Directors' Fees

In addition to restricted stock awards discussed above, the non-employee members of the Company's Board of Directors may opt to receive newly issued shares of the Company's common stock in lieu of cash compensation for attendance at Board and Board Committee meetings.  Stock-based compensation expense related to these directors' fees amounted to $59 thousand and $205 thousand for the three and nine months ended September 30, 2016, compared to $45 thousand and $190 thousand for the three and nine months ended September 30, 2015, and is included in other operating expenses. In January 2016, non-employee directors were issued 10,657 shares of common stock in lieu of 2015 annual cash fees of $254 thousand at a market value price of $23.86 per share, the market value of the common stock on the opt-in measurement date of January 2, 2015.

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Earnings Per Share

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Earnings Per Share

Earnings per share

Basic earnings per share are calculated by dividing net income available to common stockholders by the weighted average number of common shares outstanding (including participating securities) during the year.  The Company's only participating securities are unvested restricted stock awards that contain non-forfeitable rights to dividends. Diluted earnings per share reflects the effect on weighted average shares outstanding of the number of additional shares outstanding if dilutive stock options were converted into common stock using the treasury stock method.

The table below presents the increase in average shares outstanding, using the treasury stock method, for the diluted earnings per share calculation for the periods indicated: 

	Three months ended September 30,		Nine months ended September 30,
	2016	2015	2016	2015
Basic weighted average common shares outstanding	11,430,134	10,349,232	10,801,278	10,308,310
Dilutive shares	68,856	65,022	68,127	65,154
Diluted weighted average common shares outstanding	11,498,990	10,414,254	10,869,405	10,373,464

As of September 30, 2016, there were 57,541 options outstanding that were determined to be anti-dilutive and therefore excluded from the calculation of dilutive shares for the nine months endedSeptember 30, 2016.  These options, which were not dilutive at that date, may potentially dilute earnings per share in the future.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The FASB defines the fair value of an asset or liability to be the price which a seller would receive in an orderly transaction between market participants (an exit price) and also establishes a fair value hierarchy segregating fair value measurements using three levels of inputs: (Level 1) quoted market prices in active markets for identical assets or liabilities; (Level 2) significant other observable inputs, including quoted prices for similar items in active markets, quoted prices for identical or similar items in markets that are not active, inputs such as interest rates and yield curves, volatilities, prepayment speeds, credit risks and default rates which provide a reasonable basis for fair value determination or inputs derived principally from observed market data; and (Level 3) significant unobservable inputs for situations in which there is little, if any, market activity for the asset or liability.  Unobservable inputs must reflect reasonable assumptions that market participants would use in pricing the asset or liability, which are developed on the basis of the best information available under the circumstances.

The following tables summarize significant assets and liabilities carried at fair value and placement in the fair value hierarchy at the dates specified:

	September 30, 2016		Fair Value Measurements using:
(Dollars in thousands)	Fair Value		(level 1)		(level 2)		(level 3)
Assets measured on a recurring basis:
Fixed income securities	$	337,187	$	—	$	337,187	$	—
Equity securities	11,877		11,877		—		—
FHLB stock	1,884		—		—		1,884
Interest-rate swaps	318		—		318		—
Assets measured on a non-recurring basis:
Impaired loans (collateral dependent)	3,951		—		—		3,951
Liabilities measured on a recurring basis:
Interest-rate swaps	318		—		318		—

	December 31, 2015		Fair Value Measurements using:
(Dollars in thousands)	Fair Value		(level 1)		(level 2)		(level 3)
Assets measured on a recurring basis:
Fixed income securities	$	288,701	$	—	$	288,701	$	—
Equity securities	11,657		11,657		—		—
FHLB stock	3,050		—		—		3,050
Interest-rate swaps	16		—		16		—
Assets measured on a non-recurring basis:
Impaired loans (collateral dependent)	2,516		—		—		2,516
Liabilities measured on a recurring basis:
Interest-rate swaps	16		—		16		—

The Company did not have cause to transfer any assets between the fair value measurement levels during the nine months endedSeptember 30, 2016 or the year ended December 31, 2015.

All of the Company's fixed income investments and equity securities that are considered "available-for-sale" are carried at fair value.  The fixed income category above includes federal agency obligations, commercial and residential federal agency MBS, municipal securities, corporate bonds and certificates of deposits, as held at those dates.  The Company utilizes third-party pricing vendors to provide valuations on its fixed income securities.  Fair values provided by the vendors were generally determined based upon pricing matrices utilizing observable market data inputs for similar or benchmark securities in active markets and/or based on a matrix pricing methodology which employs The Bond Market Association's standard calculations for cash flow and price/yield analysis, live benchmark bond pricing and terms/condition data available from major pricing sources.  Therefore, management regards the inputs and methods used by third-party pricing vendors to be "Level 2 inputs and methods" as defined in the "fair value hierarchy." The Company periodically obtains a second price from an impartial third party on fixed income securities to assess the reasonableness of prices provided by the primary independent pricing vendor.

The Company's equity portfolio fair value is measured based on quoted market prices for the shares; therefore, these securities are categorized as Level 1 within the fair value hierarchy.

The Bank is required to purchase FHLB stock at par value in association with advances from the FHLB; this stock is classified as a restricted investment and carried at cost which management believes approximates fair value; therefore, these securities are categorized as Level 3 measures.  See Note 1, "Summary of Significant Accounting Policies," Item (d) for further information regarding the Company's fair value assessment of FHLB capital stock.

Impaired loan balances in the table above represent those collateral dependent impaired commercial loans where management has estimated the credit loss by comparing the loan's carrying value against the expected realizable fair value of the collateral (appraised value, or internal analysis less estimated cost to sell, adjusted as necessary for changes in relevant valuation factors subsequent to the measurement date).  Certain inputs used in these assessments, and possible subsequent adjustments, are not always observable, and therefore, collateral dependent impaired loans are categorized as Level 3 within the fair value hierarchy.  A specific allowance is assigned to the collateral dependent impaired loan for the amount of management's estimated probable credit loss.  The specific allowances assigned to the collateral dependent impaired loans amounted to $1.3 million at September 30, 2016 compared to $1.4 million at December 31, 2015.

When OREO property is acquired, it is generally recorded at the lesser of the loan's remaining principal balance, net of unamortized deferred fees, or the estimated fair value of the property acquired, less estimated costs to sell.  The estimated fair value is based on market appraisals and the Company's internal analysis.  Certain inputs used in appraisals or the Company's internal analysis are not always observable and therefore, OREO may be categorized as Level 3 within the fair value hierarchy.  The Company carried no OREO at either September 30, 2016 or December 31, 2015.

The fair values for the interest-rate swap assets and liabilities represent a FASB Level 2 measurement and are based on settlement values adjusted for credit risks associated with the counterparties and the Company and observable market interest rate curves. The settlement values are based on discounted cash flow analysis, a widely accepted valuation technique, reflecting the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves. Credit risk adjustments consider factors such as the likelihood of default by the Company and its counterparties, its net exposures and remaining contractual life. The change in value of interest-rate swap assets and liabilities attributable to credit risk was not significant during the reported periods. Refer also to Note 7, "Derivatives and Hedging Activities," for additional information on the Company's interest-rate swaps.

Standby letters of credit are conditional commitments issued by the Company to guarantee the financial obligation or performance of a customer to a third party.  The fair value of these commitments was estimated to be the fees charged to enter into similar agreements, and accordingly these fair value measures are deemed to be FASB Level 2 measurements.  In accordance with the FASB, the estimated fair values of these commitments are carried on the balance sheet as a liability and amortized to income over the life of the letters of credit, which are typically one year.  The estimated fair value of these commitments carried on the balance sheet at September 30, 2016 and December 31, 2015 were deemed immaterial.

Interest rate lock commitments related to the origination of mortgage loans that will be sold are considered derivative instruments.  The commitments to sell loans are also considered derivative instruments. The Company generally does not pool mortgage loans for sale, but instead sells the loans on an individual basis. To reduce the net interest rate exposure arising from its loan sale activity, the Company enters into the commitment to sell these loans at essentially the same time that the interest rate lock commitment is quoted on the origination of the loan. The Company estimates the fair value of these derivatives based on current secondary mortgage market prices.  These commitments are accounted for in accordance with FASB guidance.  The fair values of the Company's derivative instruments are deemed to be FASB Level 2 measurements. At September 30, 2016 and December 31, 2015, the estimated fair value of the Company's derivative instruments was considered to be immaterial.

The following table presents additional quantitative information about assets measured at fair value on a recurring and non-recurring basis for which the Company utilized Level 3 inputs (significant unobservable inputs for situations in which there is little, if any, market activity for the asset or liability) to determine fair value as of September 30, 2016:

(Dollars in thousands)	Fair Value		Valuation Technique	Unobservable Input	Unobservable Input Value or Range
Assets measured on a recurring basis:
FHLB stock	$	1,884	FHLB Stated Par Value	N/A	N/A
Assets measured on a non-recurring basis:
Impaired loans (collateral dependent)	$	3,951	Appraisal of collateral	Appraisal adjustments (1)	5% - 50%

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⁽¹⁾    Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses.

Estimated Fair Values of Assets and Liabilities

In addition to disclosures regarding the measurement of assets and liabilities carried at fair value on the balance sheet, the Company is also required to disclose fair value information about financial instruments for which it is practicable to estimate that value, whether or not recognized on the balance sheet. 

The carrying values, estimated fair values and placement in the fair value hierarchy of the Company's financial instruments for which fair value is only disclosed but not recognized on the balance sheet at the dates indicated are summarized as follows:

	September 30, 2016				Fair value measurement
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1 inputs		Level 2 Inputs		Level 3 Inputs
Financial assets:
Loans held for sale	$	2,171	$	2,176	$	—	$	2,176	$	—
Loans, net	1,954,265		1,961,363		—		—		1,961,363
Financial liabilities:
Certificates of deposit (including brokered)	231,231		231,698		—		231,698		—
Borrowed funds	671		671		—		671		—
Subordinated debt	14,831		15,012		—		—		15,012

	December 31, 2015				Fair value measurement
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1 inputs		Level 2 Inputs		Level 3 Inputs
Financial assets:
Loans held for sale	$	1,709	$	1,709	$	—	$	1,709	$	—
Loans, net	1,830,954		1,845,009		—		—		1,845,009
Financial liabilities:
Certificates of deposit (including brokered)	274,467		273,419		—		273,419		—
Borrowed funds	53,671		53,670		—		53,670		—
Subordinated debt	14,822		13,961		—		—		13,961

Excluded from the tables above are certain financial instruments with carrying values that approximated their fair value at the dates indicated, as they were short-term in nature or payable on demand.  These include cash and cash equivalents, accrued interest receivable, non-term deposit accounts, and accrued interest payable. The respective carrying values of these instruments would all be considered to be classified within Level 1 of their fair value hierarchy.

Also excluded from these tables are the fair values of commitments for unused portion of lines of credit and letters of credit, which were estimated to be the fees currently charged to enter into similar agreements and are deemed to be immaterial, as well as commitments to originate non-mortgage loans which were short-term, at current market rates and estimated to have no significant change in fair value.

When determining fair values noted in the tables above, in cases where quoted fair values are not available, fair values are based upon estimates using various valuation techniques.  Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows.  The following methods and assumptions were used by the Company in estimating fair values of its financial instruments:

Loans held for sale: Loans held for sale are recordedat the lower of aggregate amortized cost or market value. The fair value is based on comparable market prices for loans with similar rates and terms.

Loans: The fair value of loans was determined using discounted cash flow analysis, using interest rates currently being offered by the Company.  The incremental credit risk for adversely classified loans was considered in the determination of the fair value of the loans.  This method of estimating fair value does not incorporate the exit price concept of fair value.

Financial liabilities: The fair values of certificates of deposit and borrowings were estimated using discounted cash flow analysis using rates offered by the Bank or advance rates offered by the FHLB on September 30, 2016 and December 31, 2015 for similar instruments.  The fair value of subordinated debt was estimated using discounted cash flow analysis using a market rate of interest at September 30, 2016 and December 31, 2015.

Limitations:  The estimates of fair value of financial instruments were based on information available at September 30, 2016 and December 31, 2015 and are not indicative of the fair market value of those instruments as of the date of this Quarterly Report on Form 10-Q.  These estimates do not reflect any premium or discount that could result from offering for sale at one time the Company's entire holdings of a particular financial instrument. The fair value of the Company's time deposit liabilities do not take into consideration the value of the Company's long-term relationships with depositors, which may have significant value.

Because no active market exists for a portion of the Company's financial instruments, fair value estimates were based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors.  These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision.  Changes in assumptions could significantly affect the estimates.

Fair value estimates were based on existing on- and off-balance sheet financial instruments without an attempt to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments, including premises and equipment and foreclosed real estate.

In addition, the tax ramifications related to the realization of the unrealized appreciation and depreciation can have a significant effect on fair value estimates and have not been considered in any of the estimates.  Accordingly, the aggregate fair value amounts presented do not represent the underlying value of the Company.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2016

Accounting Policies [Abstract]

Principles of Consolidation

The accompanying unaudited consolidated interim financial statements and these notes should be read in conjunction with the December 31, 2015 audited consolidated financial statements and notes thereto contained in the 2015 Annual Report on Form 10-K of Enterprise Bancorp, Inc. (the "Company" or "Enterprise"), a Massachusetts corporation, as filed with the Securities and Exchange Commission (the "SEC") on March 15, 2016 (the "2015 Annual Report on Form 10-K").  The Company has not changed its accounting policies from those disclosed in its 2015 Annual Report on Form 10-K.

The Company's unaudited consolidated interim financial statements include the accounts of the Company and its wholly owned subsidiary, Enterprise Bank and Trust Company (the "Bank").  The Bank is a Massachusetts trust company organized in 1989. Substantially all of the Company's operations are conducted through the Bank and its subsidiaries.

The Bank's subsidiaries include Enterprise Insurance Services, LLC and Enterprise Investment Services, LLC, organized under the laws of the State of Delaware for the purposes of engaging in insurance sales activities and offering non-deposit investment products and services, respectively.  In addition, the Bank has the following subsidiaries that are incorporated in the Commonwealth of Massachusetts and classified as security corporations in accordance with applicable Massachusetts General Laws: Enterprise Security Corporation; Enterprise Security Corporation II; and Enterprise Security Corporation III.  The security corporations, which hold various types of qualifying securities, are limited to conducting securities investment activities that the Bank itself would be allowed to conduct under applicable laws.

At September 30, 2016, the Company had 23 full service branches serving the greater Merrimack Valley and North Central regions of Massachusetts and Southern New Hampshire. The Company also recently announced the anticipated opening of its 24^th branch in Windham, NH in 2017, subject to the receipt of all requisite regulatory approvals. Through the Bank and its subsidiaries, the Company offers a range of commercial and consumer loan products, and deposit and cash management services. The Company also offers investment advisory and wealth management, trust and insurance services.  The services offered through the Bank and its subsidiaries are managed as one strategic unit and represent the Company's only reportable operating segment.

The Federal Deposit Insurance Corporation (the "FDIC") and the Massachusetts Division of Banks (the "Division") have regulatory authority over the Bank.  The Bank is also subject to certain regulatory requirements of the Board of Governors of the Federal Reserve System (the "Federal Reserve Board") and, with respect to its New Hampshire branch operations, the New Hampshire Banking Department.  The business and operations of the Company are subject to the regulatory oversight of the Federal Reserve Board.  The Division also retains supervisory jurisdiction over the Company.

Basis of Accounting

The accompanying unaudited consolidated interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States ("GAAP") for interim financial information and the instructions for Form 10-Q through the rules and interpretive releases of the SEC under federal securities law. In the opinion of management, the accompanying unaudited consolidated interim financial statements reflect all necessary adjustments consisting of normal recurring accruals for a fair presentation.  All significant intercompany balances and transactions have been eliminated in the accompanying unaudited consolidated interim financial statements.

Interim results are not necessarily indicative of results to be expected for the entire year.

Reclassifications

Certain previous years' amounts in the consolidated financial statements, and notes thereto, have been reclassified to conform to the current year's presentation.

Subsequent events

The Company has evaluated subsequent events and transactions from September 30, 2016 through November 7, 2016 for potential recognition or disclosure as required by GAAP.

Critical Accounting Estimates

Critical Accounting Estimates

In preparing the unaudited consolidated interim financial statements in conformity with GAAP, management is required to exercise judgment in determining many of the methodologies, assumptions and estimates to be utilized.  These assumptions and estimates affect the reported values of assets and liabilities as of the balance sheet date and income and expenses for the period then ended.  As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates should the assumptions and estimates used change over time due to changes in circumstances.  Changes in those estimates resulting from continuing change in the economic environment and other factors will be reflected in the financial statements and results of operations in future periods.

As discussed in the Company's 2015 Annual Report on Form 10-K, the three most significant areas in which management applies critical assumptions and estimates that are particularly susceptible to change relate to the determination of the allowance for loan losses, impairment review of investment securities and the impairment review of goodwill.  Refer to Note 1, "Summary of Significant Accounting Policies," to the Company's consolidated financial statements included in the Company's 2015 Annual Report on Form 10-K for significant accounting policies. The Company has not changed its significant accounting policies from those disclosed in its 2015 Annual Report on Form 10-K.

Reporting Comprehensive Income

Reporting Comprehensive Income

Comprehensive income is defined as all changes to stockholders' equity except investments by and distributions to stockholders.  Net income is one component of comprehensive income, with other components referred to in the aggregate as other comprehensive income.  The Company's only other comprehensive income component is the net unrealized holding gains or losses on investments available-for-sale, net of deferred income taxes. Pursuant to Accounting Standards, the Company initially excludes these unrealized holding gains and losses from net income; however, they are later reported as reclassifications out of accumulated other comprehensive income into net income when the securities are sold. When securities are sold, the reclassification of realized gains and losses on available-for-sale securities are included on the Consolidated Statements of Income under the "non-interest income" subheading on the line item "net gains on sales of investment securities" and the related income tax expense is included in the line item "provision for income taxes," both of which are also detailed on the Consolidated Statements of Comprehensive Income under the subheading "reclassification adjustment for net gains included in net income."

Restricted Investments

Restricted Investments

As a member of the Federal Home Loan Bank of Boston ("FHLB"), the Company is required to purchase certain levels of FHLB capital stock at par value in association with the Company's borrowing relationship from the FHLB.  From time-to-time, the FHLB may initiate the repurchase, at par value, of "excess" levels of its capital stock held by member banks. This stock is classified as a restricted investment and carried at cost, which management believes approximates fair value.  FHLB stock represents the only restricted investment held by the Company.

In conjunction with the other-than-temporary-impairment ("OTTI") review on available-for-sale investments (See Note 2, "Investments," for additional information), management also regularly reviews its holdings of FHLB stock for OTTI. Based on management's periodic review, the Company has not recorded any OTTI charges on this investment to date. If it was determined that a write-down of FHLB stock was required, impairment would be recognized through a charge to earnings.

Income Taxes

Income Taxes

The Company uses the asset and liability method of accounting for income taxes.  Under this method, deferred tax assets and liabilities are recognized for the future tax attributable to differences between the financial statement carrying amounts and the tax basis of assets and liabilities.  The deferred tax assets and liabilities are reflected at currently enacted income tax rates applicable to the period in which the deferred tax assets or liabilities are expected to be realized or settled.  As changes in tax laws or rates are enacted, deferred tax assets and liabilities will be adjusted accordingly through the provision for income taxes.

The Company's policy is to classify interest resulting from underpayment of income taxes as income tax expense in the first period the interest would begin accruing according to the provisions of the relevant tax law.  The Company classifies penalties resulting from underpayment of income taxes as income tax expense in the period for which the Company claims or expects to claim an uncertain tax position or in the period in which the Company's judgment changes regarding an uncertain tax position.

The income tax provisions will differ from the expense that would result from applying the federal statutory rate to income before taxes, due primarily to the impact of tax exempt interest from certain investment securities, loans and bank-owned life insurance.

The Company did not have any unrecognized tax benefits accrued as income tax liabilities or receivables or as deferred tax items at September 30, 2016.  The Company is subject to U.S. federal and state income tax examinations by taxing authorities for the 2013 through 2015 tax years.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

Accounting pronouncements adopted by the Company

In April 2015, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2015-03, Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs. The amendments in this ASU require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs are not affected by the amendments in this ASU. Entities are required to apply the new guidance on a retrospective basis, wherein the balance sheet of each individual period presented should be adjusted to reflect the period-specific effects of applying the new guidance. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments is permitted for financial statements that have not been previously issued. The Company early adopted this ASU as of January 1, 2015 in relation to the Company's Fixed-to-Floating Rate Subordinated Notes issued in January 2015. This adoption did not have a material impact on the Company's financial statements or results of operations.

In January 2015, the FASB issued ASU No. 2015-01, "Income Statement-Extraordinary and Unusual Items (Subtopic 225-20): Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items." This ASU will align more closely GAAP income statement presentation guidance with International Audit Standards (IAS) 1, Presentation of Financial Statements, which prohibits the presentation and disclosure of extraordinary items. The amendments in this update are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. The adoption of this standard did not have an impact on the Company's financial statements. 

Accounting pronouncements not yet adopted by the Company

In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)". This ASU is intended to create a single source of revenue guidance which is more principles based than current revenue guidance. The guidance affects any entity that either enters into contracts with customers to transfer goods or services, or enters into contracts for the transfer of non-financial assets, unless those contracts are within the scope of other standards. In August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date" to amend the effective date of ASU 2014-09. The amendments in ASU 2014-09 are effective for annual and interim periods within fiscal years beginning after December 15, 2017. Earlier adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The FASB has since issued additional related ASUs amendments intended to clarify certain aspects and improve understanding of the implementation guidance of Topic 606 but do not change the core principles of the guidance in Topic 606. The effective date and transition requirements for the amendments are the same as the effective date and transition requirements of Topic 606. The Company is currently evaluating the potential impact of the ASU and its amendments on the Company's financial statements and results of operations.

In January 2016, the FASB issued ASU No. 2016-01, "Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities," which updates certain aspects of recognition, measurement, presentation and disclosure of financial instruments.

Among other things, the new guidance:

• Requires 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;

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

• Requires 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.

The new guidance is effective for public companies for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the effects of this ASU on the Company's financial statements and results of operations.

In February 2016, the FASB issued ASU No. 2016-02, "Leases (Topic 842)," which supersedes previous leasing guidance in Topic 840, Leases. Under the new guidance, lessees are required to recognize lease assets and lease liabilities on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. The Company is currently evaluating the effects of this ASU on the Company's financial statements and results of operations.

In March 2016, the FASB issued ASU No. 2016-09, "Compensation - Stock Compensation (Topic 718): Improvement to Employee Share-Based Payment Accounting." The amendments are intended to improve the accounting for employee share-based payments and affect all organizations that issue share-based payment awards to their employees. Several aspects of the accounting are simplified including, generally: a) income tax consequences; b) classification of awards as either equity or liabilities; c) accounting for forfeitures; and d) classification on the statement of cash flows. Among the changes, the amendment allows for entities to partially settle awards in cash up to the maximum individual statutory tax rate in the applicable jurisdiction and still qualify for equity classification; all excess tax benefits and tax deficiencies (including tax benefits of dividends on share-based payment awards) will be recognized as income tax expense or benefit in the income statement; in addition, an entity can make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest (current GAAP) or account for forfeitures when they occur; among other changes. The new standard is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The Company is currently evaluating the potential impact of the ASU on the Company's financial statements and results of operations.

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326)." The amendments in this Update require a financial asset (or a group of financial assets) measured at amortized cost basis to be presented at the net amount expected to be collected. Previously, when credit losses were measured under GAAP, an entity generally only considered past events and current conditions in measuring the incurred loss and generally recognition of the full amount of credit losses was delayed until the loss was probable of occurring. The amendments in this Update eliminate the probable initial recognition threshold in current GAAP and, instead, reflect an entity’s current estimate of all expected credit losses.

The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. The income statement reflects the measurement of credit losses for newly recognized financial assets, as well as the expected increases or decreases of expected credit losses that have taken place during the period. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset.

Credit losses on available-for-sale debt securities should be measured in a manner similar to current GAAP. However, the amendments in this Update require that credit losses be presented as an allowance rather than as a write-down. Unlike current GAAP, the Update provides for reversals of credit losses in future period net income in situations where the estimate of loss declines.

An entity will apply the amendments in this Update through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective (that is, a modified-retrospective approach). For public business entities that are SEC filers, such as the Company, the amendments in this Update are effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The Company is currently evaluating the potential impact of the ASU on the Company's financial statements and results of operations.

In August 2016, the FASB issued ASU 2016-15, "Statement of Cashflows - Classification of Certain Cash Receipts and Cash Payments. The amendments are intended to reduce diversity in practice related to the presentation of eight specific cashflow issues. For public business entities that are SEC filers, such as the Company, the amendments in this Update are effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Because this amendment primarily impacts the presentation and classification of information, the Company does not expect it to have a material impact on the Company's financial statements and results of operations.

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Investments (Tables)

9 Months Ended

Sep. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation

The amortized cost and carrying values of investment securities at the dates specified are summarized as follows:

	September 30, 2016
(Dollars in thousands)	Amortized cost		Unrealized gains		Unrealized losses		Fair Value
Federal agency obligations (1)	$	78,667	$	1,478	$	—	$	80,145
Residential federal agency MBS (1)	87,678		1,215		187		88,706
Commercial federal agency MBS(1)	43,801		907		29		44,679
Municipal securities	107,768		3,822		34		111,556
Corporate bonds	10,850		284		3		11,131
Certificates of deposits (2)	950		20		—		970
Total fixed income securities	329,714		7,726		253		337,187
Equity investments	9,962		2,065		150		11,877
Total available-for-sale securities, at fair value	$	339,676	$	9,791	$	403	$	349,064

	December 31, 2015
(Dollars in thousands)	Amortized cost		Unrealized gains		Unrealized losses		Fair Value
Federal agency obligations(1)	$	78,626	$	352	$	153	$	78,825
Residential federal agency MBS(1)	75,105		406		648		74,863
Commercial federal agency MBS(1)	23,908		—		363		23,545
Municipal securities	96,189		2,357		35		98,511
Corporate bonds	10,257		44		95		10,206
Certificates of deposits (2)	2,753		—		2		2,751
Total fixed income securities	286,838		3,159		1,296		288,701
Equity investments	10,043		1,966		352		11,657
Total available-for-sale securities, at fair value	$	296,881	$	5,125	$	1,648	$	300,358

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⁽¹⁾  These categories may include investments issued or guaranteed by government sponsored enterprises such as Fannie Mae ("FNMA"), Freddie Mac ("FHLMC"), Federal Farm Credit Bank ("FFCB"), or one of several Federal Home Loan Banks, as well as, investments guaranteed by Ginnie Mae ("GNMA"), a wholly-owned government entity. 

⁽²⁾  Certificates of deposits ("CDs") represent term deposits issued by banks that are subject to FDIC insurance and purchased on the open market.

Schedule of Unrealized Loss on Investments

The following tables summarize investments having temporary impairment, due to the fair market values having declined below the amortized costs of the individual investments, and the period that the investments have been temporarily impaired at September 30, 2016 and December 31, 2015.

	September 30, 2016
	Less than 12 months				12 months or longer				Total
(Dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		# of holdings
Federal agency obligations	$	—	$	—	$	—	$	—	$	—	$	—	—
Residential federal agency MBS	17,008		106		8,650		81		25,658		187		9
Commercial federal agency MBS	9,305		29		—		—		9,305		29		4
Municipal securities	3,720		34		—		—		3,720		34		6
Corporate bonds	637		2		109		1		746		3		4
Certificates of deposit	—		—		—		—		—		—		—
Equity investments	—		—		2,826		150		2,826		150		3
Total temporarily impaired investments	$	30,670	$	171	$	11,585	$	232	$	42,255	$	403	26

	December 31, 2015
	Less than 12 months				12 months or longer				Total
(Dollars in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		# of holdings
Federal agency obligations	$	27,420	$	153	$	—	$	—	$	27,420	$	153	8
Residential federal agency MBS	20,517		275		10,935		373		31,452		648		14
Commercial federal agency MBS	23,545		363		—		—		23,545		363		9
Municipal securities	6,988		33		261		2		7,249		35		13
Corporate bonds	4,574		78		419		17		4,993		95		37
Certificates of deposit	1,976		2		—		—		1,976		2		10
Equity investments	4,204		351		24		1		4,228		352		5
Total temporarily impaired investments	$	89,224	$	1,255	$	11,639	$	393	$	100,863	$	1,648	96

Investments Classified by Contractual Maturity Date

The contractual maturity distribution at September 30, 2016 of total fixed income investments was as follows:

(Dollars in thousands)	Amortized Cost		Fair Value
Due in one year or less	$	14,615	$	14,666
Due after one, but within five years	102,882		104,944
Due after five, but within ten years	98,651		101,813
Due after ten years	113,566		115,764
Total fixed income securities	$	329,714	$	337,187

Schedule of Realized Gain (Loss) on Sales of Investments

Sales of investments, including pending trades, for the three and nine months ended September 30, 2016 and September 30, 2015 are summarized as follows:

	Three months ended September 30,				Nine months ended September 30,
(Dollars in thousands)	2016		2015		2016		2015
Amortized cost of investments sold	$	2,354	$	1,456	$	4,118	$	12,314
Gross realized gains on sales	546		7		611		1,522
Gross realized losses on sales	—		—		—		(159		)
Total proceeds from sales of investments	$	2,900	$	1,463	$	4,729	$	13,677

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Loans (Tables)

9 Months Ended

Sep. 30, 2016

Receivables [Abstract]

Schedule of Loans by Loan Classification

Major classifications of loans at the periods indicated were as follows:

(Dollars in thousands)	September 30, 2016			December 31, 2015
Commercial real estate	$	1,008,362		$	936,921
Commercial and industrial	490,590			458,553
Commercial construction	215,432			202,993
Total commercial loans	1,714,384			1,598,467
Residential mortgages	172,556			169,188
Home equity loans and lines	90,116			83,373
Consumer	10,634			10,747
Total retail loans	273,306			263,308
Gross loans	1,987,690			1,861,775
Deferred loan origination fees, net	(1,836		)	(1,813		)
Total loans	1,985,854			1,859,962
Allowance for loan losses	(31,589		)	(29,008		)
Net loans	$	1,954,265		$	1,830,954

Schedule of Loans Pledged as Collateral

Loans designated as qualified collateral and pledged to the FHLB for borrowing capacity are summarized below:

(Dollars in thousands)	September 30, 2016		December 31, 2015
Commercial real estate	$	263,718	$	281,802
Residential mortgages	122,635		118,855
Home equity	13,309		13,972
Total loans pledged to FHLB	$	399,662	$	414,629

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Allowance For Loan Loss (Tables)

9 Months Ended

Sep. 30, 2016

Receivables [Abstract]

Financing Receivables by Evaluation Method

The balances of loans as of September 30, 2016 by segment and evaluation method are summarized as follows: 

(Dollars in thousands)	Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Gross Loans
Commercial real estate	$	14,533	$	993,829	$	1,008,362
Commercial and industrial	10,343		480,247		490,590
Commercial construction	3,059		212,373		215,432
Residential mortgages	297		172,259		172,556
Home equity loans and lines	499		89,617		90,116
Consumer	3		10,631		10,634
Total gross loans	$	28,734	$	1,958,956	$	1,987,690

The balances of loans as of December 31, 2015 by segment and evaluation method are summarized as follows:

(Dollars in thousands)	Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Gross Loans
Commercial real estate	$	12,287	$	924,634	$	936,921
Commercial and industrial	7,810		450,743		458,553
Commercial construction	3,032		199,961		202,993
Residential mortgages	366		168,822		169,188
Home equity loans and lines	169		83,204		83,373
Consumer	24		10,723		10,747
Total gross loans	$	23,688	$	1,838,087	$	1,861,775

Financing Receivable Credit Quality Indicators

The following tables present the Company's credit risk profile for each class of loan in its portfolio by internally assigned risk rating category at the periods indicated. 

	September 30, 2016
	Adversely Classified						Not Adversely
(Dollars in thousands)	Substandard		Doubtful		Loss		Classified		Gross Loans
Commercial real estate	$	16,280	$	—	$	—	$	992,082	$	1,008,362
Commercial and industrial	13,044		182		2		477,362		490,590
Commercial construction	1,636		—		—		213,796		215,432
Residential mortgages	1,190		—		—		171,366		172,556
Home equity loans and lines	658		—		—		89,458		90,116
Consumer	31		—		—		10,603		10,634
Total gross loans	$	32,839	$	182	$	2	$	1,954,667	$	1,987,690

	December 31, 2015
	Adversely Classified						Not Adversely
(Dollars in thousands)	Substandard		Doubtful		Loss		Classified		Gross Loans
Commercial real estate	$	12,487	$	—	$	—	$	924,434	$	936,921
Commercial and industrial	8,670		—		3		449,880		458,553
Commercial construction	1,776		—		—		201,217		202,993
Residential mortgages	1,278		—		—		167,910		169,188
Home equity loans and lines	503		—		5		82,865		83,373
Consumer	38		11		—		10,698		10,747
Total gross loans	$	24,752	$	11	$	8	$	1,837,004	$	1,861,775

Past Due Financing Receivables

The following tables present an age analysis of past due loans as of the dates indicated. 

	Balance at September 30, 2016
(Dollars in thousands)	Loans 30-59 Days Past Due		Loans 60-89 Days Past Due		Loans Past Due 90 days or more		Total Past Due Loans		Current Loans		Gross Loans		Non-accrual Loans
Commercial real estate	$	5,030	$	822	$	1,319	$	7,171	$	1,001,191	$	1,008,362	$	5,639
Commercial and industrial	198		385		1,236		1,819		488,771		490,590		3,128
Commercial construction	2,866		—		—		2,866		212,566		215,432		209
Residential mortgages	1,552		—		103		1,655		170,901		172,556		297
Home equity loans and lines	680		60		296		1,036		89,080		90,116		607
Consumer	106		4		8		118		10,516		10,634		8
Total gross loans	$	10,432	$	1,271	$	2,962	$	14,665	$	1,973,025	$	1,987,690	$	9,888

	Balance at December 31, 2015
(Dollars in thousands)	Loans 30-59 Days Past Due		Loans 60-89 Days Past Due		Loans Past Due 90 days or more		Total Past Due Loans		Current Loans		Gross Loans		Non-accrual Loans
Commercial real estate	$	1,641	$	1,532	$	3,256	$	6,429	$	930,492	$	936,921	$	8,506
Commercial and industrial	1,332		693		2,125		4,150		454,403		458,553		4,323
Commercial construction	581		—		7		588		202,405		202,993		335
Residential mortgages	354		280		57		691		168,497		169,188		366
Home equity loans and lines	634		9		73		716		82,657		83,373		288
Consumer	36		15		7		58		10,689		10,747		27
Total gross loans	$	4,578	$	2,529	$	5,525	$	12,632	$	1,849,143	$	1,861,775	$	13,845

Impaired Financing Receivables

The following tables set forth the recorded investment in impaired loans and the related specific allowance allocated as of the dates indicated.

	Balance at September 30, 2016
(Dollars in thousands)	Unpaid contractual principal balance		Total recorded investment in impaired loans		Recorded investment with no allowance		Recorded investment with allowance		Related specific allowance
Commercial real estate	$	16,332	$	14,533	$	12,568	$	1,965	$	518
Commercial and industrial	11,150		10,343		7,752		2,591		975
Commercial construction	3,098		3,059		1,632		1,427		473
Residential mortgages	391		297		297		—		—
Home equity loans and lines	646		499		499		—		—
Consumer	3		3		—		3		2
Total	$	31,620	$	28,734	$	22,748	$	5,986	$	1,968

	Balance at December 31, 2015
(Dollars in thousands)	Unpaid contractual principal  balance		Total recorded investment in impaired loans		Recorded investment with no allowance		Recorded investment with allowance		Related specific allowance
Commercial real estate	$	14,903	$	12,287	$	11,734	$	553	$	186
Commercial and industrial	9,816		7,810		5,253		2,557		1,078
Commercial construction	3,147		3,032		1,583		1,449		499
Residential mortgages	453		366		366		—		—
Home equity loans and lines	308		169		164		5		5
Consumer	25		24		—		24		24
Total	$	28,652	$	23,688	$	19,100	$	4,588	$	1,792

The following table presents the average recorded investment in impaired loans and the related interest recognized during the three months indicated:

	Three Months Ended September 30, 2016					Three Months Ended September 30, 2015
(Dollars in thousands)	Average recorded investment		Interest income recognized			Average recorded investment		Interest income recognized
Commercial real estate	$	14,828	$	107		$	13,360	$	56
Commercial and industrial	9,889		69			8,567		16
Commercial construction	3,113		39			1,834		17
Residential mortgages	300		—			440		—
Home equity loans and lines	368		(2		)	174		1
Consumer	13		1			47		—
Total	$	28,511	$	214		$	24,422	$	90

The following table presents the average recorded investment in impaired loans and the related interest recognized during the nine month periods indicated:

	Nine Months Ended September 30, 2016					Nine Months Ended September 30, 2015
(Dollars in thousands)	Average recorded investment		Interest income recognized			Average recorded investment		Interest income recognized
Commercial real estate	$	12,399	$	214		$	14,277	$	153
Commercial and industrial	8,801		134			9,881		74
Commercial construction	3,059		113			2,142		59
Residential mortgages	304		—			449		—
Home equity loans and lines	307		(4		)	177		2
Consumer	18		1			48		—
Total	$	24,888	$	458		$	26,974	$	288

Troubled Debt Restructurings on Financing Receivables

The following tables present certain information regarding loan modifications classified as troubled debt restructurings.

Loans modified as troubled debt restructurings during the three-month period ended September 30, 2016 are detailed below. 

	Three months ended September 30, 2016
(Dollars in thousands)	Number of restructurings	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment
Commercial real estate	3	$	532	$	2,026
Commercial and industrial	2	224		200
Commercial construction	—	—		—
Residential mortgages	—	—		—
Home equity loans and lines	—	—		—
Consumer	—	—		—
Total	5	$	756	$	2,226

Payment defaults, during the three-month period ended September 30, 2016, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Three months ended September 30, 2016
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	1	$	148
Commercial and industrial	—	—
Commercial construction	1	1,188
Residential mortgages	—	—
Home equity loans and lines	—	—
Consumer	—	—
Total	2	$	1,336

Loans modified as troubled debt restructurings during the nine months endedSeptember 30, 2016 are detailed below.

	Nine months ended September 30, 2016
(Dollars in thousands)	Number of restructurings	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment
Commercial real estate	7	$	5,624	$	7,016
Commercial and industrial	8	2,282		2,237
Commercial construction	—	—		—
Residential mortgages	—	—		—
Home equity loans and lines	—	—		—
Consumer	—	—		—
Total	15	$	7,906	$	9,253

Payment defaults, during the nine months endedSeptember 30, 2016, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Nine months ended September 30, 2016
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	1	$	148
Commercial and industrial	2	389
Commercial construction	1	1,188
Residential mortgages	—	—
Home equity loans and lines	—	—
Consumer	—	—
Total	4	$	1,725

Payment defaults, during the nine month period ended September 30, 2015, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Nine months ended September 30, 2015
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	—	$	—
Commercial and industrial	2	679
Commercial construction	—	—
Residential	—	—
Home Equity	—	—
Consumer	—	—
Total	2	$	679

Payment defaults, during the three months endedSeptember 30, 2015, on loans modified as troubled debt restructurings within the preceding twelve months are detailed below.

	Three months ended September 30, 2015
(Dollars in thousands)	Number of TDRs that defaulted	Post- modification outstanding recorded investment
Commercial real estate	—	$	—
Commercial and industrial	2	679
Commercial construction	—	—
Residential	—	—
Home Equity	—	—
Consumer	—	—
Total	2	$	679

Loans modified as troubled debt restructurings during the nine month period ended September 30, 2015 are detailed below. 

	Nine months ended September 30, 2015
(Dollars in thousands)	Number of restructurings	Pre-modification outstanding recorded investment		Post-modification outstanding recorded investment
Commercial real estate	3	$	269	$	274
Commercial and industrial	4	869		823
Commercial construction	—	—		—
Residential mortgages	—	—		—
Home equity loans and lines	—	—		—
Consumer	1	4		3
Total	8	$	1,142	$	1,100

Allowance for Credit Losses on Financing Receivables

Changes in the allowance for loan losses by portfolio segment for the three months endedSeptember 30, 2016 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial		Cmml Constr		Resid. Mortgage		Home Equity		Consumer		Total
Beginning Balance at June 30, 2016	$	14,514	$	9,913	$	4,056	$	1,085	$	552	$	225	$	30,345
Provision	581		761		22		17		4		1		1,386
Recoveries	—		28		—		—		—		1		29
Less: Charge offs	—		151		—		—		—		20		171
Ending Balance at September 30, 2016	$	15,095	$	10,551	$	4,078	$	1,102	$	556	$	207	$	31,589

Changes in the allowance for loan losses by segment for the nine months endedSeptember 30, 2016 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial		Cmml Constr		Resid. Mortgage		Home Equity		Consumer		Total
Beginning Balance at December 31, 2015	$	13,514	$	9,758	$	3,905	$	1,061	$	540	$	230	$	29,008
Provision	1,740		510		178		41		19		15		2,503
Recoveries	20		637		—		—		2		4		663
Less: Charge offs	179		354		5		—		5		42		585
Ending Balance at September 30, 2016	$	15,095	$	10,551	$	4,078	$	1,102	$	556	$	207	$	31,589
Ending allowance balance:
Allocated to loans individually evaluated for impairment	$	518	$	975	$	473	$	—	$	—	$	2	$	1,968
Allocated to loans collectively evaluated for impairment	$	14,577	$	9,576	$	3,605	$	1,102	$	556	$	205	$	29,621

Changes in the allowance for loan losses by segment for the three months endedSeptember 30, 2015 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial			Cmml Constr		Resid. Mortgage			Home Equity			Consumer		Total
Beginning Balance at June 30, 2015	$	12,864	$	10,022		$	3,447	$	1,022		$	575		$	232	$	28,162
Provision	435		(311		)	207		(50		)	(52		)	21		250
Recoveries	—		65			—		—			1			2		68
Less: Charge offs	108		232			—		—			—			10		350
Ending Balance at September 30, 2015	$	13,191	$	9,544		$	3,654	$	972		$	524		$	245	$	28,130

Changes in the allowance for loan losses by segment for the nine months endedSeptember 30, 2015 are presented below: 

(Dollars in thousands)	Cmml Real Estate		Cmml and Industrial		Cmml Constr		Resid. Mortgage			Home Equity			Consumer		Total
Beginning Balance at December 31, 2014	$	12,664	$	9,245	$	3,384	$	989		$	608		$	231	$	27,121
Provision	630		1,268		245		(17		)	(99		)	73		2,100
Recoveries	5		232		25		—			15			14		291
Less: Charge offs	108		1,201		—		—			—			73		1,382
Ending Balance at September 30, 2015	$	13,191	$	9,544	$	3,654	$	972		$	524		$	245	$	28,130
Ending allowance balance:
Allocated to loans individually evaluated for impairment	$	160	$	1,265	$	516	$	—		$	—		$	44	$	1,985
Allocated to loans collectively evaluated for impairment	$	13,031	$	8,279	$	3,138	$	972		$	524		$	201	$	26,145

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Deposits (Tables)

9 Months Ended

Sep. 30, 2016

Deposits [Abstract]

Schedule of Deposit Liabilities

Deposits are summarized as follows:

(Dollars in thousands)	September 30, 2016		December 31, 2015
Non-interest bearing demand deposits	$	645,907	$	570,589
Interest bearing checking	346,957		313,674
Savings	181,653		167,304
Money market	815,861		692,114
Certificates of deposit $250,000 or less	127,520		129,993
Certificates of deposit more than $250,000	44,371		37,704
Total non-brokered deposits (1)	2,162,269		1,911,378
Brokered deposits (2)	59,340		106,770
Total deposits	$	2,221,609	$	2,018,148

__________________________________________

⁽¹⁾    Includes reciprocal money market deposits and CDs received from participating banks in nationwide networks as a result of our customers electing to participate in programs to obtain full FDIC insurance. Essentially, the equivalent of the original deposit comes back to the Company as non-brokered deposits within the appropriate category under total deposits on the balance sheet.

⁽²⁾  Primarily brokered CDs $250,000 and under.

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Derivatives and Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivatives, Fair Value and Classification

The table below presents the fair value and classification of the Company’s derivative financial instruments for the periods presented:

	As of September 30, 2016				As of December 31, 2015
(Dollars in thousands)	Asset Derivatives		Liability Derivatives		Asset Derivatives		Liability Derivatives
Back-to-Back Swaps	$	318	$	318	$	16	$	16

Schedule of Derivatives- Offsetting Assets and Liabilities

The table below also presents the Company's asset and liability derivative positions and the potential effect of netting arrangements on its financial position, as of the periods presented.

	September 30, 2016
	Gross Amounts of Recognized Asset/Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross amounts not offset in the Statement of Financial Position
(Dollars in thousands)							Financial Instruments		Cash collateral (Received)/Posted		Net Amount
Asset Derivatives
Back-to-Back Swaps	$	318	$	—	$	318	$	—	$	—	$	318
Liability Derivatives
Back-to-Back Swaps	$	318	$	—	$	318	$	—	$	340	$	(22	)

	December 31, 2015
	Gross Amounts of Recognized Asset/Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross amounts not offset in the Statement of Financial Position
(Dollars in thousands)							Financial Instruments		Cash collateral (Received)/Posted		Net Amount
Asset Derivatives
Back-to-Back Swaps	$	16	$	—	$	16	$	—	$	—	$	16
Liability Derivatives
Back-to-Back Swaps	$	16	$	—	$	16	$	—	$	—	$	16

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Supplemental Life Insurance (Tables)

9 Months Ended

Sep. 30, 2016

Supplemental Life Insurance

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Benefit Costs

The following table illustrates the net periodic post-retirement benefit cost for the supplemental life insurance plans for the periods indicated:

	Three months ended September 30,						Nine months ended September 30,
(Dollars in thousands)	2016			2015			2016			2015
Service Cost	$	(2	)	$	(1	)	$	(7	)	$	(3	)
Interest Cost	22			19			64			58
Net periodic post-retirement benefit cost	$	20		$	18		$	57		$	55

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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

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

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The table below provides a summary of the options granted in 2016 and 2015.

	Nine Months Ended September 30,
	2016			2015
Options granted	31,047			27,376
Term in years	10			10
Weighted average assumptions used in the fair value model:
Expected volatility	42		%	47		%
Expected dividend yield	3.02		%	2.90		%
Expected life in years	7			7
Risk-free interest rate	1.91		%	1.95		%
Weighted average market price on date of grants	$	21.91		$	21.03
Per share weighted average fair value	$	7.91		$	8.51
Fair value as a percentage of market value at grant date	36		%	40		%

Schedule of Restricted Stock Awards Granted

The table below provides a summary of restricted stock awards granted in 2016 and 2015.

	Nine Months Ended September 30,
Restricted Stock Awards	2016		2015
Two Year Vesting	9,060		7,276
Four Year Vesting	18,298		17,775
Performance-Based Vesting	35,071		30,262
Total Restricted Stock Awards	62,429		55,313
Weighted average grant date fair value	$	21.90	$	21.03

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

The table below presents the increase in average shares outstanding, using the treasury stock method, for the diluted earnings per share calculation for the periods indicated: 

	Three months ended September 30,		Nine months ended September 30,
	2016	2015	2016	2015
Basic weighted average common shares outstanding	11,430,134	10,349,232	10,801,278	10,308,310
Dilutive shares	68,856	65,022	68,127	65,154
Diluted weighted average common shares outstanding	11,498,990	10,414,254	10,869,405	10,373,464

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2016

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring and Nonrecurring Basis

The following tables summarize significant assets and liabilities carried at fair value and placement in the fair value hierarchy at the dates specified:

	September 30, 2016		Fair Value Measurements using:
(Dollars in thousands)	Fair Value		(level 1)		(level 2)		(level 3)
Assets measured on a recurring basis:
Fixed income securities	$	337,187	$	—	$	337,187	$	—
Equity securities	11,877		11,877		—		—
FHLB stock	1,884		—		—		1,884
Interest-rate swaps	318		—		318		—
Assets measured on a non-recurring basis:
Impaired loans (collateral dependent)	3,951		—		—		3,951
Liabilities measured on a recurring basis:
Interest-rate swaps	318		—		318		—

	December 31, 2015		Fair Value Measurements using:
(Dollars in thousands)	Fair Value		(level 1)		(level 2)		(level 3)
Assets measured on a recurring basis:
Fixed income securities	$	288,701	$	—	$	288,701	$	—
Equity securities	11,657		11,657		—		—
FHLB stock	3,050		—		—		3,050
Interest-rate swaps	16		—		16		—
Assets measured on a non-recurring basis:
Impaired loans (collateral dependent)	2,516		—		—		2,516
Liabilities measured on a recurring basis:
Interest-rate swaps	16		—		16		—

Quantitative Information About Significant Unobservable Inputs for Fair Value Measurements

The following table presents additional quantitative information about assets measured at fair value on a recurring and non-recurring basis for which the Company utilized Level 3 inputs (significant unobservable inputs for situations in which there is little, if any, market activity for the asset or liability) to determine fair value as of September 30, 2016:

(Dollars in thousands)	Fair Value		Valuation Technique	Unobservable Input	Unobservable Input Value or Range
Assets measured on a recurring basis:
FHLB stock	$	1,884	FHLB Stated Par Value	N/A	N/A
Assets measured on a non-recurring basis:
Impaired loans (collateral dependent)	$	3,951	Appraisal of collateral	Appraisal adjustments (1)	5% - 50%

__________________________________________

⁽¹⁾    Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses.

Fair Value, by Balance Sheet Grouping

The carrying values, estimated fair values and placement in the fair value hierarchy of the Company's financial instruments for which fair value is only disclosed but not recognized on the balance sheet at the dates indicated are summarized as follows:

	September 30, 2016				Fair value measurement
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1 inputs		Level 2 Inputs		Level 3 Inputs
Financial assets:
Loans held for sale	$	2,171	$	2,176	$	—	$	2,176	$	—
Loans, net	1,954,265		1,961,363		—		—		1,961,363
Financial liabilities:
Certificates of deposit (including brokered)	231,231		231,698		—		231,698		—
Borrowed funds	671		671		—		671		—
Subordinated debt	14,831		15,012		—		—		15,012

	December 31, 2015				Fair value measurement
(Dollars in thousands)	Carrying Amount		Fair Value		Level 1 inputs		Level 2 Inputs		Level 3 Inputs
Financial assets:
Loans held for sale	$	1,709	$	1,709	$	—	$	1,709	$	—
Loans, net	1,830,954		1,845,009		—		—		1,845,009
Financial liabilities:
Certificates of deposit (including brokered)	274,467		273,419		—		273,419		—
Borrowed funds	53,671		53,670		—		53,670		—
Subordinated debt	14,822		13,961		—		—		13,961

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Summary of Significant Accounting Policies (Details) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2016 branches segment
Accounting Policies [Abstract]
Number of branches | branches		23
Reportable operating segments | segment		1
Shareholder subscription rights and community offering, price per share | $ / shares	$ 21.50
Shares issued in shareholder subscription rights and community offering | shares	930
Gross proceeds from shareholder subscription rights and community offering	$ 20.0
Net proceeds from shareholder subscription rights offering and community offering, net	$ 19.7

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Investments Available-for-sale (Details) - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Fair Value		$ 349,064	$ 300,358
Securities pledged as collateral		335,000
Total fixed income securities
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Amortized cost		329,714	286,838
Unrealized gains		7,726	3,159
Unrealized losses		253	1,296
Fair Value		337,187	288,701
Federal Agency Obligations
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Amortized cost	[1]	78,667	78,626
Unrealized gains	[1]	1,478	352
Unrealized losses	[1]	0	153
Fair Value	[1]	80,145	78,825
Residential federal agency MBS
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Amortized cost	[1]	87,678	75,105
Unrealized gains	[1]	1,215	406
Unrealized losses	[1]	187	648
Fair Value	[1]	88,706	74,863
Collateralized Mortgage Obligations
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Fair Value		33,900	20,800
Commercial federal agency MBS
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Amortized cost	[1]	43,801	23,908
Unrealized gains	[1]	907	0
Unrealized losses	[1]	29	363
Fair Value	[1]	44,679	23,545
Municipal securities
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Amortized cost		107,768	96,189
Unrealized gains		3,822	2,357
Unrealized losses		34	35
Fair Value		111,556	98,511
Corporate bonds
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Amortized cost		10,850	10,257
Unrealized gains		284	44
Unrealized losses		3	95
Fair Value		11,131	10,206
Certificates of Deposit
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Amortized cost	[2]	950	2,753
Unrealized gains	[2]	20	0
Unrealized losses	[2]	0	2
Fair Value	[2]	970	2,751
Equity investments
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Amortized cost		9,962	10,043
Unrealized gains		2,065	1,966
Unrealized losses		150	352
Fair Value		$ 11,877	11,657
Percent of portfolio invested in financial services		18.00%
Total available for sale securities, at fair value
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Amortized cost		$ 339,676	296,881
Unrealized gains		9,791	5,125
Unrealized losses		403	1,648
Fair Value		$ 349,064	$ 300,358

[1] se categories may include investments issued or guaranteed by government sponsored enterprises such as Fannie Mae ("FNMA"), Freddie Mac ("FHLMC"), Federal Farm Credit Bank ("FFCB"), or one of several Federal Home Loan Banks, as well as, investments guaranteed by Ginnie Mae ("GNMA"), a wholly-owned government entity. (2

[2] tificates of deposits ("CDs") represent term deposits issued by banks that are subject to FDIC insurance and purchased on the open market. I

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Investments Continuous loss position (Details) $ in Thousands	Sep. 30, 2016 USD ($) investments	Dec. 31, 2015 USD ($) investments
Schedule of Available-for-sale Securities [Line Items]
Investments temporarily impaired, less than 12 months, fair value	$ 30,670	$ 89,224
Investments temporarily impaired, less than 12 months, unrealized losses	171	1,255
Investments temporarily impaired, 12 months or more, fair value	11,585	11,639
Investments temporarily impaired, 12 months or longer, Unrealized Losses	232	393
Investments Temporarily Impaired, Fair Value	42,255	100,863
investments temporarily impaired unrealized losses	$ 403	$ 1,648
Number of securities in loss position | investments	26	96
Federal agency obligations
Schedule of Available-for-sale Securities [Line Items]
Investments temporarily impaired, less than 12 months, fair value	$ 0	$ 27,420
Investments temporarily impaired, less than 12 months, unrealized losses	0	153
Investments temporarily impaired, 12 months or more, fair value	0	0
Investments temporarily impaired, 12 months or longer, Unrealized Losses	0	0
Investments Temporarily Impaired, Fair Value	0	27,420
investments temporarily impaired unrealized losses	$ 0	$ 153
Number of securities in loss position | investments	0	8
Residential federal agency MBS
Schedule of Available-for-sale Securities [Line Items]
Investments temporarily impaired, less than 12 months, fair value	$ 17,008	$ 20,517
Investments temporarily impaired, less than 12 months, unrealized losses	106	275
Investments temporarily impaired, 12 months or more, fair value	8,650	10,935
Investments temporarily impaired, 12 months or longer, Unrealized Losses	81	373
Investments Temporarily Impaired, Fair Value	25,658	31,452
investments temporarily impaired unrealized losses	$ 187	$ 648
Number of securities in loss position | investments	9	14
Commercial federal agency MBS
Schedule of Available-for-sale Securities [Line Items]
Investments temporarily impaired, less than 12 months, fair value	$ 9,305	$ 23,545
Investments temporarily impaired, less than 12 months, unrealized losses	29	363
Investments temporarily impaired, 12 months or more, fair value	0	0
Investments temporarily impaired, 12 months or longer, Unrealized Losses	0	0
Investments Temporarily Impaired, Fair Value	9,305	23,545
investments temporarily impaired unrealized losses	$ 29	$ 363
Number of securities in loss position | investments	4	9
Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Investments temporarily impaired, less than 12 months, fair value	$ 3,720	$ 6,988
Investments temporarily impaired, less than 12 months, unrealized losses	34	33
Investments temporarily impaired, 12 months or more, fair value	0	261
Investments temporarily impaired, 12 months or longer, Unrealized Losses	0	2
Investments Temporarily Impaired, Fair Value	3,720	7,249
investments temporarily impaired unrealized losses	$ 34	$ 35
Number of securities in loss position | investments	6	13
Corporate bonds
Schedule of Available-for-sale Securities [Line Items]
Investments temporarily impaired, less than 12 months, fair value	$ 637	$ 4,574
Investments temporarily impaired, less than 12 months, unrealized losses	2	78
Investments temporarily impaired, 12 months or more, fair value	109	419
Investments temporarily impaired, 12 months or longer, Unrealized Losses	1	17
Investments Temporarily Impaired, Fair Value	746	4,993
investments temporarily impaired unrealized losses	$ 3	$ 95
Number of securities in loss position | investments	4	37
Certificates of Deposit
Schedule of Available-for-sale Securities [Line Items]
Investments temporarily impaired, less than 12 months, fair value	$ 0	$ 1,976
Investments temporarily impaired, less than 12 months, unrealized losses	0	2
Investments temporarily impaired, 12 months or more, fair value	0	0
Investments temporarily impaired, 12 months or longer, Unrealized Losses	0	0
Investments Temporarily Impaired, Fair Value	0	1,976
investments temporarily impaired unrealized losses	$ 0	$ 2
Number of securities in loss position | investments	0	10
Equity investments
Schedule of Available-for-sale Securities [Line Items]
Investments temporarily impaired, less than 12 months, fair value	$ 0	$ 4,204
Investments temporarily impaired, less than 12 months, unrealized losses	0	351
Investments temporarily impaired, 12 months or more, fair value	2,826	24
Investments temporarily impaired, 12 months or longer, Unrealized Losses	150	1
Investments Temporarily Impaired, Fair Value	2,826	4,228
investments temporarily impaired unrealized losses	$ 150	$ 352
Number of securities in loss position | investments	3	5

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Investments Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Investment securities at fair value	$ 349,064	$ 300,358
Callable securities, fair value	51,100
Total fixed income securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost, Within One Year	14,615
Fair Value, Within One Year	14,666
Amortized Cost Basis, After One, But Within Five Years	102,882
Fair Value, After One, But Within Five Years	104,944
Amortized Cost, After Five, But Within Ten Years	98,651
Fair Value, after Five but Within Ten Years	101,813
Amortized Cost Basis, After Ten Years	113,566
Fair Value, After Ten Years	115,764
Amortized cost	329,714	286,838
Investment securities at fair value	$ 337,187	$ 288,701

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Investments Sales (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Investments, Debt and Equity Securities [Abstract]
Amortized cost of investments sold, including pending trades	$ 2,354	$ 1,456	$ 4,118	$ 12,314
Available-for-sale Securities, Gross Realized Gains	546	7	611	1,522
Available-for-sale Securities, Gross Realized Losses	0	0	0	(159)
Proceeds from sale of investment securities, including pending trades	$ 2,900	$ 1,463	$ 4,729	$ 13,677

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Loans - Balance by Class of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Schedule of Loans by Loan Classification [Line Items]
Gross loans	$ 1,987,690		$ 1,861,775
Deferred loan origination fees, net	(1,836)		(1,813)
Total loans	1,985,854		1,859,962
Allowance for loan losses	(31,589)	$ (30,345)	(29,008)	$ (28,130)	$ (28,162)	$ (27,121)
Net Loans	1,954,265		1,830,954
Commercial
Schedule of Loans by Loan Classification [Line Items]
Gross loans	1,714,384		1,598,467
Commercial real estate
Schedule of Loans by Loan Classification [Line Items]
Gross loans	1,008,362		936,921
Allowance for loan losses	(15,095)	(14,514)	(13,514)	(13,191)	(12,864)	(12,664)
Commercial and industrial
Schedule of Loans by Loan Classification [Line Items]
Gross loans	490,590		458,553
Allowance for loan losses	(10,551)	(9,913)	(9,758)	(9,544)	(10,022)	(9,245)
Commercial construction
Schedule of Loans by Loan Classification [Line Items]
Gross loans	215,432		202,993
Allowance for loan losses	(4,078)	(4,056)	(3,905)	(3,654)	(3,447)	(3,384)
Retail
Schedule of Loans by Loan Classification [Line Items]
Gross loans	273,306		263,308
Residential
Schedule of Loans by Loan Classification [Line Items]
Gross loans	172,556		169,188
Allowance for loan losses	(1,102)	(1,085)	(1,061)	(972)	(1,022)	(989)
Home Equity
Schedule of Loans by Loan Classification [Line Items]
Gross loans	90,116		83,373
Allowance for loan losses	(556)	(552)	(540)	(524)	(575)	(608)
Consumer
Schedule of Loans by Loan Classification [Line Items]
Gross loans	10,634		10,747
Allowance for loan losses	$ (207)	$ (225)	$ (230)	$ (245)	$ (232)	$ (231)

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Loans - Loan Categories Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($) payment	Dec. 31, 2015 USD ($)
Commercial
Schedule of Loans by Loan Classification [Line Items]
Participation loans amount	$ 86.8	$ 62.3
Participations loans sold that are still serviced amount	$ 62.4	52.7
Commercial real estate | Minimum
Schedule of Loans by Loan Classification [Line Items]
Repayment period, term of loan	15 years
Commercial real estate | Maximum
Schedule of Loans by Loan Classification [Line Items]
Repayment period, term of loan	25 years
Commercial and industrial | Minimum
Schedule of Loans by Loan Classification [Line Items]
Repayment period, term of loan	1 year
Commercial and industrial | Maximum
Schedule of Loans by Loan Classification [Line Items]
Repayment period, term of loan	7 years
Commercial construction | Minimum
Schedule of Loans by Loan Classification [Line Items]
Repayment period, term of loan	1 year
Commercial construction | Maximum
Schedule of Loans by Loan Classification [Line Items]
Repayment period, term of loan	3 years
Residential
Schedule of Loans by Loan Classification [Line Items]
Early Payment Default Period | payment	4
Amount of loans serviced for others	$ 18.4	$ 18.5
Residential | Maximum
Schedule of Loans by Loan Classification [Line Items]
Repayment period, term of loan	30 years
Home Equity | Maximum
Schedule of Loans by Loan Classification [Line Items]
Loan-to-value ratio	80.00%
Home Equity Loans | Minimum
Schedule of Loans by Loan Classification [Line Items]
Repayment period, term of loan	3 years
Period a loan has a fixed rate	3 years
Home Equity Loans | Maximum
Schedule of Loans by Loan Classification [Line Items]
Repayment period, term of loan	15 years
Period a loan has a fixed rate	15 years
Home equity lines of credit
Schedule of Loans by Loan Classification [Line Items]
Term of interest only payments	10 years
Term of Principal and Interest Payments after Interest only term	15 years
Multi-family owner occupied residential property | Minimum
Schedule of Loans by Loan Classification [Line Items]
Loan-to-value ratio	75.00%
Single family owner occupied residential property | Maximum
Schedule of Loans by Loan Classification [Line Items]
Loan-to-value ratio	97.00%

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Loans - Loans Serving as Collateral (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financial Instruments Owned and Pledged as Collateral [Line Items]
Loans pledged to the FHLB for borrowing capacity	$ 399,662	$ 414,629
Commercial real estate
Financial Instruments Owned and Pledged as Collateral [Line Items]
Loans pledged to the FHLB for borrowing capacity	263,718	281,802
Residential
Financial Instruments Owned and Pledged as Collateral [Line Items]
Loans pledged to the FHLB for borrowing capacity	122,635	118,855
Home Equity
Financial Instruments Owned and Pledged as Collateral [Line Items]
Loans pledged to the FHLB for borrowing capacity	$ 13,309	$ 13,972

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Allowance For Loan Loss - Evaluation Method (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Schedule of Financing Receivable by Evaluation Method [Line Items]
Loans individually evaluated for impairment	$ 28,734	$ 23,688
Loans collectively evaluated for impairment	1,958,956	1,838,087
Gross loans	1,987,690	1,861,775
Commercial real estate
Schedule of Financing Receivable by Evaluation Method [Line Items]
Loans individually evaluated for impairment	14,533	12,287
Loans collectively evaluated for impairment	993,829	924,634
Gross loans	1,008,362	936,921
Commercial and industrial
Schedule of Financing Receivable by Evaluation Method [Line Items]
Loans individually evaluated for impairment	10,343	7,810
Loans collectively evaluated for impairment	480,247	450,743
Gross loans	490,590	458,553
Commercial construction
Schedule of Financing Receivable by Evaluation Method [Line Items]
Loans individually evaluated for impairment	3,059	3,032
Loans collectively evaluated for impairment	212,373	199,961
Gross loans	215,432	202,993
Residential
Schedule of Financing Receivable by Evaluation Method [Line Items]
Loans individually evaluated for impairment	297	366
Loans collectively evaluated for impairment	172,259	168,822
Gross loans	172,556	169,188
Home Equity
Schedule of Financing Receivable by Evaluation Method [Line Items]
Loans individually evaluated for impairment	499	169
Loans collectively evaluated for impairment	89,617	83,204
Gross loans	90,116	83,373
Consumer
Schedule of Financing Receivable by Evaluation Method [Line Items]
Loans individually evaluated for impairment	3	24
Loans collectively evaluated for impairment	10,631	10,723
Gross loans	$ 10,634	$ 10,747

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Allowance For Loan Loss - Adversely Classified Loans (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) relationship	Dec. 31, 2015 USD ($)
Financing Receivable, Recorded Investment [Line Items]
Gross loans	$ 1,987,690	$ 1,861,775
Adversely classified loans to total loans	1.66%	1.33%
Commercial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	$ 1,714,384	$ 1,598,467
Larger commercial relationships downgraded in the period | relationship	4
Larger commercial relationship downgraded in period, net carry value	$ 17,500
Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Gross loans	1,008,362	936,921
Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	490,590	458,553
Commercial construction
Financing Receivable, Recorded Investment [Line Items]
Gross loans	215,432	202,993
Residential
Financing Receivable, Recorded Investment [Line Items]
Gross loans	172,556	169,188
Home Equity
Financing Receivable, Recorded Investment [Line Items]
Gross loans	90,116	83,373
Consumer
Financing Receivable, Recorded Investment [Line Items]
Gross loans	10,634	10,747
Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	32,839	24,752
Substandard | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Gross loans	16,280	12,487
Substandard | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	13,044	8,670
Substandard | Commercial construction
Financing Receivable, Recorded Investment [Line Items]
Gross loans	1,636	1,776
Substandard | Residential
Financing Receivable, Recorded Investment [Line Items]
Gross loans	1,190	1,278
Substandard | Home Equity
Financing Receivable, Recorded Investment [Line Items]
Gross loans	658	503
Substandard | Consumer
Financing Receivable, Recorded Investment [Line Items]
Gross loans	31	38
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	182	11
Doubtful | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Doubtful | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	182	0
Doubtful | Commercial construction
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Doubtful | Residential
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Doubtful | Home Equity
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Doubtful | Consumer
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	11
Loss
Financing Receivable, Recorded Investment [Line Items]
Gross loans	2	8
Loss | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Loss | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	2	3
Loss | Commercial construction
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Loss | Residential
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Loss | Home Equity
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	5
Loss | Consumer
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Not Adversely Classified
Financing Receivable, Recorded Investment [Line Items]
Gross loans	1,954,667	1,837,004
Not Adversely Classified | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Gross loans	992,082	924,434
Not Adversely Classified | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	477,362	449,880
Not Adversely Classified | Commercial construction
Financing Receivable, Recorded Investment [Line Items]
Gross loans	213,796	201,217
Not Adversely Classified | Residential
Financing Receivable, Recorded Investment [Line Items]
Gross loans	171,366	167,910
Not Adversely Classified | Home Equity
Financing Receivable, Recorded Investment [Line Items]
Gross loans	89,458	82,865
Not Adversely Classified | Consumer
Financing Receivable, Recorded Investment [Line Items]
Gross loans	$ 10,603	$ 10,698

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Allowance For Loan Loss - Past Due and Non-Accrual Loans (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Schedule of Aging of Financing Receivables [Line Items]
Number of days a loan must be paid current before accrual of interest is resumed	180 days
Non-accrual loans	$ 9,888	$ 13,845
Total Past Due Loans	14,665	12,632
Current Loans	1,973,025	1,849,143
Gross loans	$ 1,987,690	$ 1,861,775
The ratio of non-accrual loans to total loans	0.50%	0.74%	0.81%
Commercial real estate
Schedule of Aging of Financing Receivables [Line Items]
Non-accrual loans	$ 5,639	$ 8,506
Total Past Due Loans	7,171	6,429
Current Loans	1,001,191	930,492
Gross loans	1,008,362	936,921
Commercial and industrial
Schedule of Aging of Financing Receivables [Line Items]
Non-accrual loans	3,128	4,323
Total Past Due Loans	1,819	4,150
Current Loans	488,771	454,403
Gross loans	490,590	458,553
Commercial construction
Schedule of Aging of Financing Receivables [Line Items]
Non-accrual loans	209	335
Total Past Due Loans	2,866	588
Current Loans	212,566	202,405
Gross loans	215,432	202,993
Residential
Schedule of Aging of Financing Receivables [Line Items]
Non-accrual loans	297	366
Total Past Due Loans	1,655	691
Current Loans	170,901	168,497
Gross loans	172,556	169,188
Home Equity
Schedule of Aging of Financing Receivables [Line Items]
Non-accrual loans	607	288
Total Past Due Loans	1,036	716
Current Loans	89,080	82,657
Gross loans	90,116	83,373
Consumer
Schedule of Aging of Financing Receivables [Line Items]
Non-accrual loans	8	27
Total Past Due Loans	118	58
Current Loans	10,516	10,689
Gross loans	10,634	10,747
Loans 30 to 59 Days Past Due
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	10,432	4,578
Loans 30 to 59 Days Past Due | Commercial real estate
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	5,030	1,641
Loans 30 to 59 Days Past Due | Commercial and industrial
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	198	1,332
Loans 30 to 59 Days Past Due | Commercial construction
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	2,866	581
Loans 30 to 59 Days Past Due | Residential
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	1,552	354
Loans 30 to 59 Days Past Due | Home Equity
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	680	634
Loans 30 to 59 Days Past Due | Consumer
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	106	36
Loans 60 to 89 Days Past Due
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	1,271	2,529
Loans 60 to 89 Days Past Due | Commercial real estate
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	822	1,532
Loans 60 to 89 Days Past Due | Commercial and industrial
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	385	693
Loans 60 to 89 Days Past Due | Commercial construction
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	0	0
Loans 60 to 89 Days Past Due | Residential
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	0	280
Loans 60 to 89 Days Past Due | Home Equity
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	60	9
Loans 60 to 89 Days Past Due | Consumer
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	4	15
Loans Equal to Greater than 90 Days Past Due
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	2,962	5,525
Loans Equal to Greater than 90 Days Past Due | Commercial real estate
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	1,319	3,256
Loans Equal to Greater than 90 Days Past Due | Commercial and industrial
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	1,236	2,125
Loans Equal to Greater than 90 Days Past Due | Commercial construction
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	0	7
Loans Equal to Greater than 90 Days Past Due | Residential
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	103	57
Loans Equal to Greater than 90 Days Past Due | Home Equity
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	296	73
Loans Equal to Greater than 90 Days Past Due | Consumer
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	8	7
Not Adversely Classified
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	1,954,667	1,837,004
Non-accrual loans not adversely classified	254	402
Not Adversely Classified | Commercial real estate
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	992,082	924,434
Not Adversely Classified | Commercial and industrial
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	477,362	449,880
Not Adversely Classified | Commercial construction
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	213,796	201,217
Not Adversely Classified | Residential
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	171,366	167,910
Not Adversely Classified | Home Equity
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	89,458	82,865
Not Adversely Classified | Consumer
Schedule of Aging of Financing Receivables [Line Items]
Gross loans	$ 10,603	$ 10,698

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Allowance For Loan Loss - Impaired Loans (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) relationship	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Financing Receivable, Impaired [Line Items]
Total recorded investment in impaired loans	$ 28,734		$ 28,734		$ 23,688
Total accruing impaired loans	19,000		19,000		10,100
Impaired non-accrual loans	9,700		9,700		13,600
Unpaid contractual principal balance	31,620		31,620		28,652
Recorded investment with no allowance	22,748		22,748		19,100
Recorded investment with allowance	5,986		5,986		4,588
Related allowance	1,968		1,968		1,792
Average recorded investment	28,511	$ 24,422	24,888	$ 26,974
Interest income recognized	214	90	458	288
Additional funding commitments on impaired loans	394		$ 394
Commercial
Financing Receivable, Impaired [Line Items]
Larger accruing-impaired commercial relationship downgraded in period | relationship			1
Larger accruing-impaired commercial relationship downgraded in period, net carry value	7,800		$ 7,800
Commercial real estate
Financing Receivable, Impaired [Line Items]
Total recorded investment in impaired loans	14,533		14,533		12,287
Unpaid contractual principal balance	16,332		16,332		14,903
Recorded investment with no allowance	12,568		12,568		11,734
Recorded investment with allowance	1,965		1,965		553
Related allowance	518		518		186
Average recorded investment	14,828	13,360	12,399	14,277
Interest income recognized	107	56	214	153
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Total recorded investment in impaired loans	10,343		10,343		7,810
Unpaid contractual principal balance	11,150		11,150		9,816
Recorded investment with no allowance	7,752		7,752		5,253
Recorded investment with allowance	2,591		2,591		2,557
Related allowance	975		975		1,078
Average recorded investment	9,889	8,567	8,801	9,881
Interest income recognized	69	16	134	74
Commercial construction
Financing Receivable, Impaired [Line Items]
Total recorded investment in impaired loans	3,059		3,059		3,032
Unpaid contractual principal balance	3,098		3,098		3,147
Recorded investment with no allowance	1,632		1,632		1,583
Recorded investment with allowance	1,427		1,427		1,449
Related allowance	473		473		499
Average recorded investment	3,113	1,834	3,059	2,142
Interest income recognized	39	17	113	59
Residential
Financing Receivable, Impaired [Line Items]
Total recorded investment in impaired loans	297		297		366
Unpaid contractual principal balance	391		391		453
Recorded investment with no allowance	297		297		366
Recorded investment with allowance	0		0		0
Related allowance	0		0		0
Average recorded investment	300	440	304	449
Interest income recognized	0	0	0	0
Home Equity
Financing Receivable, Impaired [Line Items]
Total recorded investment in impaired loans	499		499		169
Unpaid contractual principal balance	646		646		308
Recorded investment with no allowance	499		499		164
Recorded investment with allowance	0		0		5
Related allowance	0		0		5
Average recorded investment	368	174	307	177
Interest income recognized	(2)	1	(4)	2
Consumer
Financing Receivable, Impaired [Line Items]
Total recorded investment in impaired loans	3		3		24
Unpaid contractual principal balance	3		3		25
Recorded investment with no allowance	0		0		0
Recorded investment with allowance	3		3		24
Related allowance	2		2		$ 24
Average recorded investment	13	47	18	48
Interest income recognized	$ 1	$ 0	$ 1	$ 0

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Allowance For Loan Loss - Troubled Debt Restructures (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) restructuring	Sep. 30, 2015 USD ($) restructuring	Sep. 30, 2016 USD ($) restructuring	Sep. 30, 2015 USD ($) restructuring	Dec. 31, 2015 USD ($)
Financing Receivable, Modifications [Line Items]
Total Troubled Debt Restructure (TDR) loans	$ 24,100,000		$ 24,100,000		$ 17,100,000
TDR loans on accrual status	18,900,000		18,900,000		10,100,000
TDR loans included in non-performing loans	5,200,000		5,200,000		$ 7,100,000
Additional funding commitments on TDR loans	$ 394,000		$ 394,000
Number of restructurings | restructuring	5	0	15	8
Pre-modification outstanding recorded investment	$ 756,000		$ 7,906,000	$ 1,142,000
Post-modification outstanding recorded investment	$ 2,226,000		$ 9,253,000	$ 1,100,000
Number of TDRs that defaulted | restructuring	2	2	4	2
Post-modification outstanding recorded investment, TDRs that defaulted	$ 1,336,000	$ 679,000	$ 1,725,000	$ 679,000
Specific reserves allocated to TDRs	204,000	$ 20,000	204,000	20,000
Interest payments received on nonaccruing TDR loans excluded from income				18,000
Charge-offs associated with TDRs			0	$ 0
Commercial
Financing Receivable, Modifications [Line Items]
Larger accruing-impaired TDR commercial relationship downgraded in period, net carry value	7,800,000		7,800,000
Additional funding on larger accruing-impaired TDR commercial relationship	$ 1,500,000		$ 1,500,000
Commercial real estate
Financing Receivable, Modifications [Line Items]
Number of restructurings | restructuring	3		7	3
Pre-modification outstanding recorded investment	$ 532,000		$ 5,624,000	$ 269,000
Post-modification outstanding recorded investment	$ 2,026,000		$ 7,016,000	$ 274,000
Number of TDRs that defaulted | restructuring	1	0	1	0
Post-modification outstanding recorded investment, TDRs that defaulted	$ 148,000		$ 148,000	$ 0
Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of restructurings | restructuring	2		8	4
Pre-modification outstanding recorded investment	$ 224,000		$ 2,282,000	$ 869,000
Post-modification outstanding recorded investment	$ 200,000		$ 2,237,000	$ 823,000
Number of TDRs that defaulted | restructuring	0	2	2	2
Post-modification outstanding recorded investment, TDRs that defaulted	$ 0		$ 389,000	$ 679,000
Commercial construction
Financing Receivable, Modifications [Line Items]
Number of restructurings | restructuring	0		0	0
Pre-modification outstanding recorded investment	$ 0		$ 0	$ 0
Post-modification outstanding recorded investment	$ 0		$ 0	$ 0
Number of TDRs that defaulted | restructuring	1	0	1	0
Post-modification outstanding recorded investment, TDRs that defaulted	$ 1,188,000		$ 1,188,000	$ 0
Residential
Financing Receivable, Modifications [Line Items]
Number of restructurings | restructuring	0		0	0
Pre-modification outstanding recorded investment	$ 0		$ 0	$ 0
Post-modification outstanding recorded investment	$ 0		$ 0	$ 0
Number of TDRs that defaulted | restructuring	0	0	0	0
Post-modification outstanding recorded investment, TDRs that defaulted	$ 0		$ 0	$ 0
Home Equity
Financing Receivable, Modifications [Line Items]
Number of restructurings | restructuring	0		0	0
Pre-modification outstanding recorded investment	$ 0		$ 0	$ 0
Post-modification outstanding recorded investment	$ 0		$ 0	$ 0
Number of TDRs that defaulted | restructuring	0	0	0	0
Post-modification outstanding recorded investment, TDRs that defaulted	$ 0		$ 0	$ 0
Consumer
Financing Receivable, Modifications [Line Items]
Number of restructurings | restructuring	0		0	1
Pre-modification outstanding recorded investment	$ 0		$ 0	$ 4,000
Post-modification outstanding recorded investment	$ 0		$ 0	$ 3,000
Number of TDRs that defaulted | restructuring	0	0	0	0
Post-modification outstanding recorded investment, TDRs that defaulted	$ 0		$ 0	$ 0

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Allowance For Loan Loss - Other Real Estate Owned (Details)	9 Months Ended
	Sep. 30, 2016 USD ($) property	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carry value of OREO	$ 0		$ 0
Net gains on sales of OREO	0	$ 154,000
Consumer mortgage loans in process of foreclosure, value	$ 325,000		$ 0
Other real estate owned
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of OREO properties added | property	0
OREO fair value adjustment	$ 0	$ 0

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Allowance For Loan Loss - Allowance for Loan Losses (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) relationship	Sep. 30, 2015 USD ($)	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Increase (Decrease) in Loans			$ 125,900	$ 118,000
The ratio of non-accrual loans to total loans	0.50%	0.81%	0.50%	0.81%	0.74%
Net charge-offs (recoveries)			$ (78)	$ 1,091
Allowance allocated to impaired and classified loans	$ 4,100	$ 3,200	$ 4,100	$ 3,200
Larger commercial relationships downgraded in period with additional allowance | relationship			3
Allowance for loan losses to total loans ratio	1.59%	1.57%	1.59%	1.57%	1.56%
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 30,345	$ 28,162	$ 29,008	$ 27,121
Provision for loan losses	1,386	250	2,503	2,100
Recoveries	29	68	663	291
Less: Charge offs	171	350	585	1,382
Ending Balance	31,589	28,130	31,589	28,130
Allocated to loans individually evaluated for impairment	1,968	1,985	1,968	1,985
Allocated to loans collectively evaluated for impairment	29,621	26,145	29,621	26,145
Commercial real estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	14,514	12,864	13,514	12,664
Provision for loan losses	581	435	1,740	630
Recoveries	0	0	20	5
Less: Charge offs	0	108	179	108
Ending Balance	15,095	13,191	15,095	13,191
Allocated to loans individually evaluated for impairment	518	160	518	160
Allocated to loans collectively evaluated for impairment	14,577	13,031	14,577	13,031
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	9,913	10,022	9,758	9,245
Provision for loan losses	761	(311)	510	1,268
Recoveries	28	65	637	232
Less: Charge offs	151	232	354	1,201
Ending Balance	10,551	9,544	10,551	9,544
Allocated to loans individually evaluated for impairment	975	1,265	975	1,265
Allocated to loans collectively evaluated for impairment	9,576	8,279	9,576	8,279
Commercial construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	4,056	3,447	3,905	3,384
Provision for loan losses	22	207	178	245
Recoveries	0	0	0	25
Less: Charge offs	0	0	5	0
Ending Balance	4,078	3,654	4,078	3,654
Allocated to loans individually evaluated for impairment	473	516	473	516
Allocated to loans collectively evaluated for impairment	3,605	3,138	3,605	3,138
Residential
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	1,085	1,022	1,061	989
Provision for loan losses	17	(50)	41	(17)
Recoveries	0	0	0	0
Less: Charge offs	0	0	0	0
Ending Balance	1,102	972	1,102	972
Allocated to loans individually evaluated for impairment	0	0	0	0
Allocated to loans collectively evaluated for impairment	1,102	972	1,102	972
Home Equity
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	552	575	540	608
Provision for loan losses	4	(52)	19	(99)
Recoveries	0	1	2	15
Less: Charge offs	0	0	5	0
Ending Balance	556	524	556	524
Allocated to loans individually evaluated for impairment	0	0	0	0
Allocated to loans collectively evaluated for impairment	556	524	556	524
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	225	232	230	231
Provision for loan losses	1	21	15	73
Recoveries	1	2	4	14
Less: Charge offs	20	10	42	73
Ending Balance	207	245	207	245
Allocated to loans individually evaluated for impairment	2	44	2	44
Allocated to loans collectively evaluated for impairment	$ 205	$ 201	$ 205	$ 201

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Deposits (Details) - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015
Deposits [Abstract]
Noninterest-bearing demand deposits		$ 645,907	$ 570,589
Interest bearing checking		346,957	313,674
Savings		181,653	167,304
Money markets		815,861	692,114
Certificates of deposit, $250,000 or Less,		127,520	129,993
Certificates of deposit more than $250,000		44,371	37,704
Total non-brokered deposits	[1]	2,162,269	1,911,378
Brokered deposits	[2]	59,340	106,770
Deposits		$ 2,221,609	$ 2,018,148

[1] (1) Includes reciprocal money market deposits and CDs received from participating banks in nationwide networks as a result of our customers electing to participate in programs to obtain full FDIC insurance. Essentially, the equivalent of the original deposit comes back to the Company as non-brokered deposits within the appropriate category under total deposits on the balance sheet.

[2] (2) Primarily brokered CDs $250,000 and under.

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Borrowed Funds and Subordinated Debt (Details) - USD ($)	1 Months Ended	9 Months Ended
	Jan. 31, 2015	Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2000
Debt Instrument [Line Items]
Borrowed Funds		$ 671,000	$ 53,671,000
Advances from Federal Home Loan Banks			40,700,000
Other Borrowings			13,000,000
Subordinated debt		$ 14,831,000	$ 14,822,000
Junior subordinated debt, amount				$ 10,800,000
Fixed-to Floating Rate Subordinated Notes
Debt Instrument [Line Items]
Subordinated debt	$ 15,000,000
Subordinated debt, rate		6.00%
Original debt issuance costs	$ 190,000
London Interbank Offered Rate (LIBOR) | Fixed-to Floating Rate Subordinated Notes
Debt Instrument [Line Items]
Fixed to Floating Rate Conversion Date		Jan. 31, 2025
Spread over LIBOR fixed-to floating rate note, rate		3.90%

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Derivatives and Hedging Activities (Details)	9 Months Ended
	Sep. 30, 2016 USD ($) instrument loan	Dec. 31, 2015 USD ($) instrument
Derivative [Line Items]
Number of Participation Loans with Swap Contingent Liabilities | loan	2
Interest rate swap
Derivative [Line Items]
Gain (Loss) on Interest Rate Swaps	$ 0
Number of Interest Rate Swaps | instrument	4	2
Aggregate notional value of interest-rate swaps	$ 26,800,000	$ 10,100,000
Fair Value of Interest-Rate Swap Assets	318,000	16,000
Fair Value of Interest-Rate Swap Liability	318,000	16,000
Gross Amount Interest Rate Swap Asset Recognized	318,000	16,000
Net Asset Amount, Interest Rate Swap	318,000	16,000
Gross Amount Interest Rate Swap Liability Recognized	318,000	16,000
Collateral posted	340,000	0
Net Liability Amount, Interest Rate Swap	$ (22,000)	$ 16,000

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Supplemental Retirement Plan and Other Postretirement Benefit Obligations (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) officer	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) officer	Sep. 30, 2015 USD ($)
Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosures [Line Items]
Number of Active Executive Officers under Plan | officer	2		2
Number of Former Executive Officers under Plan | officer	1		1
Term of SERP benefits			20 years
Net Periodic Benefit Cost	$ 31	$ 31	$ 93	$ 94
Benefits Paid	(69)	(69)	(207)	(207)
Remaining accrual for benefit obligation in current year			31
Supplemental Life Insurance
Defined Benefit Plan Disclosures [Line Items]
Net Periodic Benefit Cost	20	18	57	55
Service Cost	(2)	(1)	(7)	(3)
Interest Cost	$ 22	$ 19	$ 64	$ 58

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Stock-Based Compensation Summary Information for Options Granted (Details) - $ / shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option awards granted	31,047	27,376
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term in years	10 years	10 years
Expected volatility	42.00%	47.00%
Market price on date of grant	$ 21.91	$ 21.03
Per share weighted average fair value	$ 7.91	$ 8.51
Weighted Average | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	3.02%	2.90%
Expected life in years	7 years	7 years
Risk-free interest rate	1.91%	1.95%
Fair Value as a percentage of market value at grant date	36.00%	40.00%

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Stock-Based Compensation Stock Options, Stock Awards, and Stock in Lieu of Directors' Fees (Details) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2016 shares	Sep. 30, 2016 USD ($) plans shares	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) plans shares	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Jan. 02, 2015 $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Individual Stock Incentive Plans | plans		3		3
Shares remaining available for future grants | shares		469,745		469,745
Stock-based compensation expense		$ 444	$ 411	$ 1,349	$ 1,365
Number of shares issued in lieu of cash to directors | shares	10,657
Fair market share price | $ / shares							$ 23.86
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		63	71	$ 205	247
Restricted stock | Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				4 years
Restricted stock | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				2 years
Restricted stock and common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		322	295	$ 939	928
Common stock in lieu of cash | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 59	$ 45	$ 205	$ 190	$ 254
Vesting, Year Two | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, vesting percentage				50.00%	50.00%
Vesting, Year Four | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, vesting percentage				50.00%	50.00%

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Stock-Based Compensation Restricted Stock Grants (Details) - Restricted stock - $ / shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards in period	62,429	55,313
Weighted Average Grant Date Fair Value, Stock Awards	$ 21.90	$ 21.03
Director | Two year vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards in period	9,060	7,276
Employee | Four year vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards in period	18,298	17,775
Employee | Performance-based vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards in period	35,071	30,262

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Earnings Per Share Earnings Per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding	11,430,134	10,349,232	10,801,278	10,308,310
Dilutive shares	68,856	65,022	68,127	65,154
Diluted weighted average common shares outstanding	11,498,990	10,414,254	10,869,405	10,373,464
Antidilutive Shares Excluded from EPS			57,541

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Fair Value Measurements - Recurring and Nonrecurring Basis (Details) - USD ($)	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Specific allowance for collateral dependent impaired loans	$ 1,300,000	$ 1,400,000
Carry value of OREO	$ 0	0
Financial Standby Letter of Credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortization period of estimated fair value on standby letters of credit	1 year
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liabilities	$ 0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Fixed income securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	11,877,000	11,657,000
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | FHLB Stock
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liabilities	318,000	16,000
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Fixed income securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	337,187,000	288,701,000
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | FHLB Stock
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	318,000	16,000
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liabilities	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Fixed income securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | FHLB Stock
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	1,884,000	3,050,000
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	0	0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans (collateral dependent), Fair Value	0	0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans (collateral dependent), Fair Value	0	0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans (collateral dependent), Fair Value	3,951,000	2,516,000
Fair Value | Fair Value, Measurements, Recurring | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liabilities	318,000	16,000
Fair Value | Fair Value, Measurements, Recurring | Fixed income securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	337,187,000	288,701,000
Fair Value | Fair Value, Measurements, Recurring | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	11,877,000	11,657,000
Fair Value | Fair Value, Measurements, Recurring | FHLB Stock
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	1,884,000	3,050,000
Fair Value | Fair Value, Measurements, Recurring | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets	318,000	16,000
Fair Value | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans (collateral dependent), Fair Value	$ 3,951,000	$ 2,516,000

XML

Fair Value Measurements - Quantitative (Details) - Fair Value, Inputs, Level 3 - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2016	Dec. 31, 2015
Fair Value, Measurements, Recurring | FHLB Stock
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value of assets		$ 1,884	$ 3,050
Fair Value, Measurements, Recurring | FHLB Stock | FHLB par stated value
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value of assets		1,884
Fair Value, Measurements, Nonrecurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans (collateral dependent), Fair Value		3,951	$ 2,516
Fair Value, Measurements, Nonrecurring | Impaired loans (collateral dependent) | Appraisal of collateral
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans (collateral dependent), Fair Value	[1]	$ 3,951
Fair Value, Measurements, Nonrecurring | Impaired loans (collateral dependent) | Appraisal of collateral | Minimum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input Value or Range		5.00%
Fair Value, Measurements, Nonrecurring | Impaired loans (collateral dependent) | Appraisal of collateral | Maximum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input Value or Range		50.00%

[1] Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses.

XML

Fair Value Measurements - Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Carrying Amount
Financial assets:
Loans held for sale	$ 2,171	$ 1,709
Loans, net	1,954,265	1,830,954
Financial liabilities:
Borrowed Funds	671	53,671
Subordinated debt	14,831	14,822
Carrying Amount | Certificates of Deposit
Financial liabilities:
Certificates of deposit	231,231	274,467
Fair Value
Financial assets:
Loans held for sale	2,176	1,709
Loans, net	1,961,363	1,845,009
Financial liabilities:
Borrowed Funds	671	53,670
Subordinated debt	15,012	13,961
Fair Value | Certificates of Deposit
Financial liabilities:
Certificates of deposit	231,698	273,419
Fair Value, Inputs, Level 1
Financial assets:
Loans held for sale	0	0
Loans, net	0	0
Financial liabilities:
Borrowed Funds	0	0
Subordinated debt	0	0
Fair Value, Inputs, Level 1 | Certificates of Deposit
Financial liabilities:
Certificates of deposit	0	0
Fair Value, Inputs, Level 2
Financial assets:
Loans held for sale	2,176	1,709
Loans, net	0	0
Financial liabilities:
Borrowed Funds	671	53,670
Subordinated debt	0	0
Fair Value, Inputs, Level 2 | Certificates of Deposit
Financial liabilities:
Certificates of deposit	231,698	273,419
Fair Value, Inputs, Level 3
Financial assets:
Loans held for sale	0	0
Loans, net	1,961,363	1,845,009
Financial liabilities:
Borrowed Funds	0	0
Subordinated debt	15,012	13,961
Fair Value, Inputs, Level 3 | Certificates of Deposit
Financial liabilities:
Certificates of deposit	$ 0	$ 0