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: March 31, 2019

Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

for the transition period from                  to                 .

Commission File Number: 000-10661

TriCo Bancshares

(Exact Name of Registrant as Specified in Its Charter)

CALIFORNIA	94-2792841
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification Number)

63 Constitution Drive

Chico, California 95973

(Address of Principal Executive Offices)(Zip Code)

(530) 898-0300

(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.    ☒  Yes    ☐  No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files).    ☒  Yes    ☐  No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, non-accelerated filer, a smaller reporting company, or an emerging growth company. See definitions of “accelerated filer”, “large accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

☒	Large accelerated filer	☐	Accelerated filer
☐	Non-accelerated filer	☐	Smaller reporting company
		☐	Emerging growth company

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

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

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	TCBK	NASDAQ Global Select

Indicate the number of shares outstanding for each of the issuer’s classes of common stock, as of the latest practical date:

Common stock, no par value: 30,451,030 shares outstanding as of May 6, 2019

TriCo Bancshares

FORM 10-Q

TABLE OF CONTENTS

		Page
PART I – FINANCIAL INFORMATION			2
	Item 1 – Financial Statements (Unaudited)		2
	Item 2 – Management’s Discussion and Analysis of Financial Condition and Results of Operations		36
	Item 3 – Quantitative and Qualitative Disclosures about Market Risk		50
	Item 4 – Controls and Procedures		50
PART II – OTHER INFORMATION			50
	Item 1 – Legal Proceedings		50
	Item 1A – Risk Factors		50
	Item 2 – Unregistered Sales of Equity Securities and Use of Proceeds		50
	Item 6 – Exhibits		51
	Signatures		52
	Exhibits		53

1

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements (unaudited)

TRICO BANCSHARES

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except share data; unaudited)

	At March 31,			At December 31,
	2019			2018
Assets:
Cash and due from banks	$	105,103		$	119,781
Cash at Federal Reserve and other banks		213,605			107,752
Cash and cash equivalents		318,708			227,533
Investment securities:
Marketable equity securities		2,910			2,874
Available for sale debt securities		1,113,516			1,115,036
Held to maturity debt securities		431,016			444,936
Restricted equity securities		17,250			17,250
Loans held for sale		5,410			3,687
Loans		4,034,331			4,022,014
Allowance for loan losses		(32,064	)		(32,582	)
Total loans, net		4,002,267			3,989,432
Premises and equipment, net		89,275			89,347
Cash value of life insurance		117,841			117,318
Accrued interest receivable		20,431			19,412
Goodwill		220,972			220,972
Other intangible assets, net		27,849			29,280
Operating leases, right-of-use		30,942			—
Other assets		73,465			75,364
Total assets	$	6,471,852		$	6,352,441
Liabilities and Shareholders’ Equity:
Liabilities:
Deposits:
Noninterest-bearing demand	$	1,761,559		$	1,760,580
Interest-bearing		3,668,703			3,605,886
Total deposits		5,430,262			5,366,466
Accrued interest payable		2,195			1,997
Operating lease liability		30,204			—
Other liabilities		86,362			83,724
Other borrowings		12,466			15,839
Junior subordinated debt		57,085			57,042
Total liabilities		5,618,574			5,525,068
Commitments and contingencies (Note 8)
Shareholders’ equity:
Preferred stock, no par value: 1,000,000 shares authorized, zero issued and outstanding at March 31, 2019 and December 31, 2018		—			—
Common stock, no par value: 50,000,000 shares authorized; 30,432,419 and 30,417,223 issued and outstanding at March 31, 2019 and December 31, 2018, respectively		542,340			541,762
Retained earnings		319,865			303,490
Accumulated other comprehensive loss, net of tax		(8,927	)		(17,879	)
Total shareholders’ equity		853,278			827,373
Total liabilities and shareholders’ equity	$	6,471,852		$	6,352,441

See accompanying notes to unaudited condensed consolidated financial statements.

2

TRICO BANCSHARES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(In thousands, except per share data; unaudited)

	Three months ended
	March 31,
	2019			2018
Interest and dividend income:
Loans, including fees	$	54,398		$	38,049
Investments:
Taxable securities		10,555			7,322
Tax exempt securities		1,073			1,041
Dividends		360			336
Interest bearing cash at Federal Reserve and other banks		1,071			373
Total interest and dividend income		67,457			47,121
Interest expense:
Deposits		2,719			1,096
Other borrowings		13			342
Junior subordinated debt		855			697
Total interest expense		3,587			2,135
Net interest income		63,870			44,986
Benefit from reversal of provision for loan losses		(1,600	)		(236	)
Net interest income after benefit from reversal of provision for loan losses		65,470			45,222
Noninterest income:
Service charges and fees		9,070			9,356
Gain on sale of loans		412			626
Asset management and commission income		642			876
Increase in cash value of life insurance		775			608
Other		965			824
Total noninterest income		11,864			12,290
Noninterest expense:
Salaries and related benefits		25,128			21,652
Other		20,385			16,510
Total noninterest expense		45,513			38,162
Income before provision for income taxes		31,821			19,350
Provision for income taxes		9,095			5,440
Net income	$	22,726		$	13,910
Earnings per share:
Basic	$	0.75		$	0.61
Diluted	$	0.74		$	0.60

See accompanying notes to unaudited condensed consolidated financial statements.

3

TRICO BANCSHARES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In thousands; unaudited)

	Three months ended
	March 31,
	2019		2018
Net income	$	22,726	$	13,910
Other comprehensive income (loss), net of tax:
Unrealized gains (losses) on available for sale securities arising during the period		8,952		(11,026	)
Change in minimum pension liability		—		80
Other comprehensive income (loss)		8,952		(10,946	)
Comprehensive income	$	31,678	$	2,964

See accompanying notes to unaudited condensed consolidated financial statements.

TRICO BANCSHARES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY

(In thousands, except share and per share data; unaudited)

										Accumulated
	Shares of									Other
	Common			Common			Retained			Comprehensive
	Stock			Stock			Earnings			Income (Loss)			Total
Balance at January 1, 2018		22,955,963		$	255,836		$	255,200		$	(5,228	)	$	505,808
Net income								13,910						13,910
Adoption ASU 2016-01								(62	)		62			—
Adoption ASU 2018-02								1,093			(1,093	)		—
Other comprehensive loss											(10,946	)		(10,946	)
Stock option vesting					37									37
RSU vesting					238									238
PSU vesting					116									116
RSUs released		494												—
Repurchase of common stock		(134	)		(1	)		(3	)					(4	)
Dividends paid ($ 0.17 per share)								(3,903	)					(3,903	)
Balance at March 31, 2018		22,956,323		$	256,226		$	266,235		$	(17,205	)	$	505,256
Balance at January 1, 2019		30,417,223		$	541,762		$	303,490		$	(17,879	)	$	827,373
Net income								22,726						22,726
Other comprehensive income											8,952			8,952
Stock options exercised		41,000			647									647
RSU vesting					278									278
PSU vesting					119									119
RSUs released		355
Repurchase of common stock		(26,159	)		(466	)		(569	)					(1,035	)
Dividends paid ($ 0.19 per share)								(5,782	)					(5,782	)
Balance at March 31, 2019		30,432,419		$	542,340		$	319,865		$	(8,927	)	$	853,278

See accompanying notes to unaudited condensed consolidated financial statements.

4

TRICO BANCSHARES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands; unaudited)

	For the three months ended March 31,
	2019			2018
Operating activities:
Net income	$	22,726		$	13,910
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of premises and equipment, and amortization		1,838			1,613
Amortization of intangible assets		1,431			339
Reversal of provision for loan losses		(1,600	)		(236	)
Amortization of investment securities premium, net		571			700
Originations of loans for resale		(18,119	)		(20,332	)
Proceeds from sale of loans originated for resale		16,689			23,270
Gain on sale of loans		(412	)		(626	)
Change in market value of mortgage servicing rights		645			(111	)
Provision for losses on foreclosed assets		—			90
Gain on transfer of loans to foreclosed assets		(98	)		—
Gain on sale of foreclosed assets		(99	)		(371	)
Loss on disposal of fixed assets		38			13
Increase in cash value of life insurance		(775	)		(608	)
Gain on life insurance death benefit		(32	)		—
(Gain) loss on marketable equity securities		(36	)		48
Equity compensation vesting expense		397			391
Change in:
Interest receivable		(1,019	)		1,365
Interest payable		198			28
Other assets and liabilities, net		(288	)		4,231
Net cash from operating activities		22,055			23,714
Investing activities:
Proceeds from maturities of securities available for sale		15,133			15,643
Proceeds from maturities of securities held to maturity		13,684			18,535
Purchases of securities available for sale		(1,238	)		(39,647	)
Loan origination and principal collections, net		(11,351	)		(54,682	)
Proceeds from sale of other real estate owned		278			1,943
Proceeds from sale of premises and equipment		11			—
Purchases of premises and equipment		(1,650	)		(2,200	)
Net cash from investing activities		14,867			(60,408	)
Financing activities:
Net increase in deposits		63,796			75,273
Net change in other borrowings		(3,373	)		(57,125	)
Repurchase of common stock, net		(388	)		—
Dividends paid		(5,782	)		(3,903	)
Net cash used by financing activities		54,253			14,245
Net change in cash and cash equivalents		91,175			(22,449	)
Cash and cash equivalents and beginning of year		227,533			205,428
Cash and cash equivalents at end of year	$	318,708		$	182,979
Supplemental disclosure of noncash activities:
Unrealized gain (loss) on securities available for sale	$	12,710		$	(15,628	)
Loans transferred to foreclosed assets		116			—
Market value of shares tendered in-lieu of cash to pay for exercise of options and/or related taxes		647			4
Supplemental disclosure of cash flow activity:
Cash paid for interest expense		3,389			2,107
Cash paid for income taxes		—			—

See accompanying notes to unaudited condensed consolidated financial statements.

5

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Note 1 –Summary of Significant Accounting Policies

Description of Business and Basis of Presentation

TriCo Bancshares (the “Company” or “we”) is a California corporation organized to act as a bank holding company for Tri Counties Bank (the “Bank”). The Company and the Bank are headquartered in Chico, California. The Bank is a California-chartered bank that is engaged in the general commercial banking business in 29 California counties. The Company has five capital subsidiary business trusts (collectively, the “Capital Trusts”) that issued trust preferred securities, including two organized by the Company and three acquired with the acquisition of North Valley Bancorp.

The consolidated financial statements are prepared in accordance with accounting policies generally accepted in the United States of America and general practices in the banking industry. All adjustments necessary for a fair presentation of these consolidated financial statements have been included and are of a normal and recurring nature. The financial statements include the accounts of the Company. All inter-company accounts and transactions have been eliminated in consolidation. For financial reporting purposes, the Company’s investments in the Capital Trusts of $1,714,000 are accounted for under the equity method and, accordingly, are not consolidated and are included in other assets on the consolidated balance sheet. The subordinated debentures issued and guaranteed by the Company and held by the Capital Trusts are reflected as debt on the Company’s consolidated balance sheet.

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018 (the “2018 Annual Report”). The Company believes that the disclosures made are adequate to make the information not misleading.

Segment and Significant Group Concentration of Credit Risk

The Company grants agribusiness, commercial, consumer, and residential loans to customers located throughout northern and central California. The Company has a diversified loan portfolio within the business segments located in this geographical area. The Company currently classifies all its operation into one business segment that it denotes as community banking.

Geographical Descriptions

For the purpose of describing the geographical location of the Company’s operations, the Company has defined northern California as that area of California north of, and including, Stockton to the east and San Jose to the west; central California as that area of the state south of Stockton and San Jose, to and including, Bakersfield to the east and San Luis Obispo to the west; and southern California as that area of the state south of Bakersfield and San Luis Obispo.

Cash and Cash Equivalents

Net cash flows are reported for loan and deposit transactions and other borrowings. For purposes of the consolidated statement of cash flows, cash, due from banks with original maturities less than 90 days, interest-earning deposits in other banks, and Federal funds sold are considered to be cash equivalents.

Accounting Standards Adopted in 2019

The Financial Accounting Standards Board (“FASB”) issued ASU No. 2016-02, Leases (Topic 842). ASU 2016-02, which among other things, requires lessees to recognize most leases on-balance sheet, increasing reported assets and liabilities. Lessor accounting remains substantially similar to current U.S. GAAP. The FASB has issued incremental guidance to Topic 842 standard through ASU No. 2018-11, 2018-20, and 2019-01. The Company has elected to use the transition relief approach as provided in ASU 2018-11, which permits the Company to use January 1, 2019 as both the application date and the adoption date, rather than the modified retrospective approach which would have required an application date of January 1, 2017 and adoption date of January 1, 2019. The Company also elected certain relief options offered within the new standard, which include the package of practical expedients, the option not to recognize a right-of-use asset (ROUA) and lease liability that arise from short-term leases (i.e. leases with terms of 12 months or less), and the option of hindsight when determining lease term. Substantially all of the Company’s lease agreements are considered operating

6

leases and were not previously recognized on the Company’s balance sheets. As of January 1, 2019, the Company recorded a ROUA and corresponding lease liability for all applicable operating leases. While the guidance increased the Company’s gross assets and liabilities, the adoption of ASU 2016-02 did not have a material impact on the consolidated statements of income or the consolidated statements of cash flows. See Note 6 for more information.

The FASB issued ASU 2017-08, Receivables—Nonrefundable Fees and Other Costs (Topic 310). ASU 2017-08 shortens the amortization period for certain callable debt securities held at a premium to require such premiums to be amortized to the earliest call date unless applicable guidance related to certain pools of securities is applied to consider estimated prepayments. Under prior guidance, entities were generally required to amortize premiums on individual, non-pooled callable debt securities as a yield adjustment over the contractual life of the security. ASU 2017-08 does not change the accounting for callable debt securities held at a discount. ASU 2017-08 was effective for the Company on January 1, 2019, and did not have an impact on the Company’s consolidated financial statements.

Accounting Standards Pending Adoption

The FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses (Topic 326). ASU 2016-13 is the final guidance on the new current expected credit loss (‘‘CECL’’) model. ASU 2016-13, among other things, requires the incurred loss impairment methodology in current GAAP be replaced with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to estimate future credit loss estimates. As CECL encompasses all financial assets carried at amortized cost, the requirement that reserves be established based on an organization’s reasonable and supportable estimate of expected credit losses extends to held to maturity (‘‘HTM’’) debt securities. ASU 2016-13 amends the accounting for credit losses on available-for-sale securities (‘‘AFS’’), whereby credit losses will be presented as an allowance as opposed to a write-down. In addition, CECL will modify the accounting for purchased loans with credit deterioration since origination, so that reserves are established at the date of acquisition for purchased loans. Lastly, ASU 2016-13 requires enhanced disclosures on the significant estimates and judgments used to estimate credit losses, as well as on the credit quality and underwriting standards of an organization’s portfolio. These disclosures require organizations to present the currently required credit quality disclosures disaggregated by the year of origination or vintage. ASU 2016-13 allows for a modified retrospective approach with a cumulative effect adjustment to the balance sheet upon adoption (charge to retained earnings instead of the income statement). ASU 2016-13 will be effective for the Company on January 1, 2020, and early adoption is permitted. While the Company is currently evaluating the provisions of ASU 2016-13 to determine the potential impact the new standard will have on the Company’s Consolidated Financial Statements, it has taken steps to prepare for the implementation when it becomes effective, such as forming an internal task force, gathering pertinent data, consulting with outside professionals, and evaluating its current IT systems. While detailed modeling efforts are ongoing, the validation of expected credit loss estimates will likely not be available until late in 2019. Management expects to recognize a one-time cumulative effect adjustment to the allowance for loan losses as of the first reporting period in which the new standard is effective, but cannot yet estimate the magnitude of the one-time adjustment or the overall impact of the new guidance on the Company’s financial position, results of operations or cash flows.

FASB issued ASU No. 2017-04, Intangibles—Goodwill and Other: Simplifying the Test for Goodwill Impairment (Topic 350): ASU 2017-04 eliminates step two of the goodwill impairment test (the hypothetical purchase price allocation used to determine the implied fair value of goodwill) when step one (determining if the carrying value of a reporting unit exceeds its fair value) is failed. Instead, entities simply will compare the fair value of a reporting unit to its carrying amount and record goodwill impairment for the amount by which the reporting unit’s carrying amount exceeds its fair value. ASU 2017-04 will be effective for the Company on January 1, 2020 and is not expected to have a significant impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU No. 2018-13, “Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement.” This ASU eliminates, adds and modifies certain disclosure requirements for fair value measurements. Among the changes, entities will no longer be required to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy, but will be required to disclose the range and weighted average used to develop significant unobservable inputs for Level 3 fair value measurements. ASU No. 2018-13 is effective for interim and annual reporting periods beginning after December 15, 2019; early adoption is permitted. Entities are also allowed to elect early adoption the eliminated or modified disclosure requirements and delay adoption of the new disclosure requirements until their effective date. As ASU No. 2018-13 only revises disclosure requirements, it will not have a significant impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU No. 2018-14, “Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans.” This ASU makes minor changes to the disclosure requirements for employers that sponsor defined benefit pension and/or other postretirement benefit plans. ASU 2018-14 is effective for fiscal years ending after December 15, 2020; early adoption is permitted. As ASU 2018-14 only revises disclosure requirements, it will not have a significant impact on the Company’s consolidated financial statements.

7

Note 2—Business Combinations

Merger with FNB Bancorp

On July 6, 2018, the Company completed the acquisition of FNB Bancorp (“FNBB”) for an aggregate transaction value of $291,132,000. FNBB was merged into the Company, and the Company issued 7,405,277 shares of common stock to the former shareholders of FNBB. FNBB’s subsidiary, First National Bank of Northern California, merged into the Bank on the same day. The Company also paid $6.7 million to settle and retire all FNBB stock options outstanding as of the acquisition date. Upon the consummation of the merger, the Company added 12 branches within San Mateo, San Francisco, and Santa Clara counties.

In accordance with accounting for business combinations, the Company recorded $156,661,000 of goodwill and $27,605,000 of core deposit intangibles on the acquisition date. The core deposit intangibles will be amortized over the weighted average remaining life of 6.2 years with no significant residual value. For tax purposes, purchase prices accounting adjustments including goodwill are all non-taxable and /or non-deductible. Acquisition related costs of $476,000 are included in the consolidated statements of income for the three months ended March 31, 2018. There have been no acquisition costs incurred during the three months ended March 31, 2019.

The acquisition was consistent with the Company’s strategy to expand into the Bay Area market. The acquisition offers the Company the opportunity to increase profitability by introducing existing products and services to the acquired customer base as well as add new customers in the expanded region. Goodwill arising from the acquisition consisted largely of the estimated cost savings resulting from the combined operations.

The following table summarizes the consideration paid for FNBB and the amounts of assets acquired and liabilities assumed that were recorded at the acquisition date (in thousands).

	FNB Bancorp July 6, 2018
Fair value of consideration transferred:
Fair value of shares issued	$	284,437
Cash consideration		6,695
Total fair value of consideration transferred		291,132
Assets acquired:
Cash and cash equivalents		37,308
Securities available for sale		335,667
Restricted equity securities		7,723
Loans		834,683
Premises and equipment		30,522
Cash value of life insurance		16,817
Core deposit intangible		27,605
Other assets		16,214
Total assets acquired		1,306,539
Liabilities assumed:
Deposits		991,935
Other liabilities		15,133
Short-term borrowings—Federal Home Loan Bank		165,000
Total liabilities assumed		1,172,068
Total net assets acquired		134,471
Goodwill recognized	$	156,661

8

A summary of the estimated fair value adjustments resulting in the goodwill recorded in the FNB Bancorp acquisition are presented below (in thousands):

	FNB Bancorp July 6, 2018
Value of stock consideration paid to FNB Bancorp Shareholders	$	284,437
Cash consideration		6,695
Less:
Cost basis net assets acquired		114,030
Fair value adjustments:
Investments		(1,081	)
Loans		(22,390	)
Premises and Equipment		21,590
Core deposit intangible		27,327
Deferred income taxes		(6,394	)
Other		1,389
Goodwill	$	156,661

The fair value of net assets acquired includes fair value adjustments to certain loans that were not considered impaired (PNCI loans) as of the acquisition date. The fair value adjustments were determined using discounted contractual cash flows. As such, these loans were not considered impaired at the acquisition date and were not subject to the guidance relating to purchased credit impaired loans (PCI loans), which have shown evidence of credit deterioration since origination. The gross contractual amounts receivable and fair value for PNCI loans as of the acquisition date was $866,189,000 and $833,381,000, respectively. The gross contractual amounts receivable and fair value for PCI loans as of the acquisition date was $1,683,000 and $1,302,000, respectively. At the acquisition date, the Company was unable to estimate the expected contractual cash flows to be collected from the purchased credit impaired loans.

9

Note 3—Investment Securities

The amortized cost and estimated fair values of investments in debt securities are summarized in the following tables:

	March 31, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	631,914	$	1,862	$	(6,676	)	$	627,100
Obligations of states and political subdivisions		128,706		1,242		(599	)		129,349
Corporate bonds		4,394		84		—			4,478
Asset backed securities		356,766		141		(4,318	)		352,589
Total debt securities available for sale	$	1,121,780	$	3,329	$	(11,593	)	$	1,113,516
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	416,418	$	2,190	$	(2,581	)	$	416,027
Obligations of states and political subdivisions		14,598		173		(25	)		14,746
Total debt securities held to maturity	$	431,016	$	2,363	$	(2,606	)	$	430,773

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	647,288	$	771	$	(18,078	)	$	629,981
Obligations of states and political subdivisions		128,890		294		(3,112	)		126,072
Corporate bonds		4,381		97		—			4,478
Asset backed securities		355,451		73		(1,019	)		354,505
Total debt securities available for sale	$	1,136,010	$	1,235	$	(22,209	)	$	1,115,036
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	430,343	$	327	$	(7,745	)	$	422,925
Obligations of states and political subdivisions		14,593		82		(230	)		14,445
Total debt securities held to maturity	$	444,936	$	409	$	(7,975	)	$	437,370

There were no sales of investment securities during the three months ended March 31, 2019 and 2018. Investment securities with an aggregate carrying value of $587,233,000 and $597,591,000 at March 31, 2019 and December 31, 2018, respectively, were pledged as collateral for specific borrowings, lines of credit or local agency deposits.

10

The amortized cost and estimated fair value of debt securities at March 31, 2019 by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. At March 31, 2019, obligations of U.S. government corporations and agencies with a cost basis totaling $1,048,332,000 consist almost entirely of residential real estate mortgage-backed securities whose contractual maturity, or principal repayment, will follow the repayment of the underlying mortgages. For purposes of the following table, the entire outstanding balance of these mortgage-backed securities issued by U.S. government corporations and agencies is categorized based on final maturity date. At March 31, 2019, the Company estimates the average remaining life of these mortgage-backed securities issued by U.S. government corporations and agencies to be approximately 5.5 years. Average remaining life is defined as the time span after which the principal balance has been reduced by half.

Debt Securities	Available for Sale				Held to Maturity
(In thousands)	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year	$	2,413	$	2,418	$	—	$	—
Due after one year through five years		10,584		10,798		1,246		1,260
Due after five years through ten years		18,130		18,624		23,944		23,899
Due after ten years		1,090,653		1,081,676		405,826		405,614
Totals	$	1,121,780	$	1,113,516	$	431,016	$	430,773

Gross unrealized losses on debt securities and the fair value of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, were as follows:

	Less than 12 months					12 months or more					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
March 31, 2019	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	481	$	(2	)	$	496,424	$	(6,674	)	$	496,905	$	(6,676	)
Obligations of states and political subdivisions		24,644		(598	)		566		(1	)		25,210		(599	)
Asset backed securities		330,078		(4,318	)		—		—			330,078		(4,318	)
Total debt securities available for sale	$	355,203	$	(4,918	)	$	496,990	$	(6,675	)	$	852,193	$	(11,593	)
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	—	$	—		$	224,551	$	(2,581	)	$	224,551	$	(2,581	)
Obligations of states and political subdivisions		—		—			5,891		(25	)		5,891		(25	)
Total debt securities held to maturity	$	—	$	—		$	230,442	$	(2,606	)	$	230,442	$	(2,606	)

	Less than 12 months					12 months or more					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
December 31, 2018	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	171,309	$	(3,588	)	$	394,630	$	(14,490	)	$	565,939	$	(18,078	)
Obligations of states and political subdivisions		63,738		(1,541	)		20,719		(1,571	)		84,457		(3,112	)
Asset backed securities		101,386		(1,019	)		—		—			101,386		(1,019	)
Total debt securities available for sale	$	336,433	$	(6,148	)	$	415,349	$	(16,061	)	$	751,782	$	(22,209	)
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	223,810	$	(2,619	)	$	158,648	$	(5,126	)	$	382,458	$	(7,745	)
Obligations of states and political subdivisions		5,786		(114	)		4,042		(116	)		9,828		(230	)
Total debt securities held to maturity	$	229,596	$	(2,733	)	$	162,690	$	(5,242	)	$	392,286	$	(7,975	)

Obligations of U.S. government agencies: Unrealized losses on investments in obligations of U.S. government agencies are caused by interest rate increases. The contractual cash flows of these securities are guaranteed by U.S. Government Sponsored Entities (principally Fannie Mae and Freddie Mac). It is expected that the securities would not be settled at a price less than the amortized cost of the investment. Because the decline in fair value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell and more likely than not will not be required to sell, these investments are not considered other-than-temporarily impaired. At March 31, 2019, 93 debt securities representing obligations of U.S. government agencies had unrealized losses with aggregate depreciation of (1.3%) from the Company’s amortized cost basis.

11

Obligations of states and political subdivisions: The unrealized losses on investments in obligations of states and political subdivisions were caused by increases in required yields by investors in these types of securities. It is expected that the securities would not be settled at a price less than the amortized cost of the investment. Because the decline in fair value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell and more likely than not will not be required to sell, these investments are not considered other-than-temporarily impaired. At March 31, 2019, 33 debt securities representing obligations of states and political subdivisions had unrealized losses with aggregate depreciation of (2.0%) from the Company’s amortized cost basis.

Asset backed securities: The unrealized losses on investments in asset backed securities were caused by increases in required yields by investors in these types of securities. At the time of purchase, each of these securities was rated AA or AAA and through March 31, 2019 has not experienced any deterioration in credit rating. The Company continues to monitor these securities for changes in credit rating or other indications of credit deterioration. Because management believes the decline in fair value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell and more likely than not will not be required to sell, these investments are not considered other-than-temporarily impaired. At March 31, 2019, 28 asset backed securities had unrealized losses with aggregate depreciation of (1.3%) from the Company’s amortized cost basis.

Marketable equity securities: All unrealized losses recognized during the reporting period were for equity securities still held at March 31, 2019.

Note 4 – Loans

A summary of loan balances follows (in thousands):

	March 31, 2019
	Originated			PNCI			PCI			Total
Mortgage loans on real estate:
Residential 1-4 family	$	357,559		$	163,268		$	1,585		$	522,412
Commercial		1,929,508			671,397			6,022			2,606,927
Total mortgage loan on real estate		2,287,067			834,665			7,607			3,129,339
Consumer:
Home equity lines of credit		279,075			38,090			1,088			318,253
Home equity loans		31,245			3,356			436			35,037
Other		45,020			20,001			41			65,062
Total consumer loans		355,340			61,447			1,565			418,352
Commercial		227,314			39,295			2,554			269,163
Construction:
Residential		115,688			30,096			—			145,784
Commercial		64,576			7,117			—			71,693
Total construction		180,264			37,213			—			217,477
Total loans, net of deferred loan fees and discounts	$	3,049,985		$	972,620		$	11,726		$	4,034,331
Total principal balance of loans owed, net of charge-offs	$	3,059,398		$	1,007,678		$	18,376		$	4,085,452
Unamortized net deferred loan fees		(9,413	)		—			—			(9,413	)
Discounts to principal balance of loans owed, net of charge-offs		—			(35,058	)		(6,650	)		(41,708	)
Total loans, net of unamortized deferred loan fees and discounts	$	3,049,985		$	972,620		$	11,726		$	4,034,331
Allowance for loan losses	$	(31,088	)	$	(969	)	$	(7	)	$	(32,064	)

12

	December 31, 2018
	Originated			PNCI			PCI			Total
Mortgage loans on real estate:
Residential 1-4 family	$	343,796		$	169,792		$	1,674		$	515,262
Commercial		1,910,981			708,401			8,456			2,627,838
Total mortgage loan on real estate		2,254,777			878,193			10,130			3,143,100
Consumer:
Home equity lines of credit		284,453			40,957			1,167			326,577
Home equity loans		32,660			3,585			439			36,684
Other		34,020			21,659			42			55,721
Total consumer loans		351,133			66,201			1,648			418,982
Commercial		228,635			45,468			2,445			276,548
Construction:
Residential		90,703			30,593			—			121,296
Commercial		56,208			5,880			—			62,088
Total construction		146,911			36,473			—			183,384
Total loans, net of deferred loan fees and discounts	$	2,981,456		$	1,026,335		$	14,223		$	4,022,014
Total principal balance of loans owed, net of charge-offs	$	2,991,324		$	1,062,655		$	21,265		$	4,075,244
Unamortized net deferred loan fees		(9,868	)		—			—			(9,868	)
Discounts to principal balance of loans owed, net of charge-offs		—			(36,320	)		(7,042	)		(43,362	)
Total loans, net of unamortized deferred loan fees and discounts	$	2,981,456		$	1,026,335		$	14,223		$	4,022,014
Allowance for loan losses	$	(31,793	)	$	(667	)	$	(122	)	$	(32,582	)

The following is a summary of the change in accretable yield for PCI during the periods indicated (in thousands):

	Three months ended March 31,
	2019			2018
Change in accretable yield:
Balance at beginning of period	$	6,059		$	6,137
Accretion to interest income		(301	)		(255	)
Reclassification (to) from nonaccretable difference		(11	)		140
Balance at end of period	$	5,747		$	6,022

13

Note 5 – Allowance for Loan Losses

The following tables summarize the activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated.

	Allowance for Loan Losses – Three Months Ended March 31, 2019
(in thousands)	Beginning Balance		Charge-offs			Recoveries		Provision (benefit)			Ending Balance
Mortgage loans on real estate:
Residential 1-4 family	$	2,676	$	—		$	2	$	(178	)	$	2,500
Commercial		12,944		—			1,381		(1,995	)		12,330
Total mortgage loans on real estate		15,620		—			1,383		(2,173	)		14,830
Consumer:
Home equity lines of credit		6,042		—			95		(122	)		6,015
Home equity loans		1,540		—			87		(341	)		1,286
Other		793		(207	)		75		379			1,040
Total consumer loans		8,375		(207	)		257		(84	)		8,341
Commercial		6,090		(519	)		168		339			6,078
Construction:
Residential		1,834		—			—		574			2,408
Commercial		663		—			—		(256	)		407
Total construction		2,497		—			—		318			2,815
Total	$	32,582	$	(726	)	$	1,808	$	(1,600	)	$	32,064

	Allowance for Loan Losses – As of March 31, 2019
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance for loan losses
Mortgage loans on real estate:
Residential 1-4 family	$	2,445	$	55	$	—	$	2,500
Commercial		12,293		36		1		12,330
Total mortgage loans on real estate		14,738		91		1		14,830
Consumer:
Home equity lines of credit		5,879		130		6		6,015
Home equity loans		1,216		70		—		1,286
Other		1,023		17		—		1,040
Total consumer loans		8,118		217		6		8,341
Commercial		4,636		1,442		—		6,078
Construction:
Residential		2,408		—		—		2,408
Commercial		407		—		—		407
Total construction		2,815		—		—		2,815
Total	$	30,307	$	1,750	$	7	$	32,064

	Loans, Net of Unearned fees – As of March 31, 2019
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans, net of unearned fees
Mortgage loans on real estate:
Residential 1-4 family	$	517,038	$	3,789	$	1,585	$	522,412
Commercial		2,592,994		7,911		6,022		2,606,927
Total mortgage loans on real estate		3,110,032		11,700		7,607		3,129,339
Consumer:
Home equity lines of credit		314,609		2,556		1,088		318,253
Home equity loans		32,618		1,983		436		35,037
Other		64,891		130		41		65,062
Total consumer loans		412,118		4,669		1,565		418,352
Commercial		261,933		4,676		2,554		269,163
Construction:
Residential		145,784		—		—		145,784
Commercial		71,693		—		—		71,693
Total construction		217,477		—		—		217,477
Total	$	4,001,560	$	21,045	$	11,726	$	4,034,331

14

	Allowance for Loan Losses – Year Ended December 31, 2018
(in thousands)	Beginning Balance		Charge-offs			Recoveries		Provision (benefit)			Ending Balance
Mortgage loans on real estate:
Residential 1-4 family	$	2,317	$	(77	)	$	—	$	436		$	2,676
Commercial		11,441		(15	)		68		1,450			12,944
Total mortgage loans on real estate		13,758		(92	)		68		1,886			15,620
Consumer:
Home equity lines of credit		5,800		(277	)		846		(327	)		6,042
Home equity loans		1,841		(24	)		297		(574	)		1,540
Other		586		(783	)		288		702			793
Total consumer loans		8,227		(1,084	)		1,431		(199	)		8,375
Commercial		6,512		(1,188	)		541		225			6,090
Construction:
Residential		1,184		—			—		650			1,834
Commercial		642		—			—		21			663
Total construction		1,826		—			—		671			2,497
Total	$	30,323	$	(2,364	)	$	2,040	$	2,583		$	32,582

	Allowance for Loan Losses – As of December 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance for loan losses
Mortgage loans on real estate:
Residential 1-4 family	$	2,620	$	56	$	—	$	2,676
Commercial		12,737		91		116		12,944
Total mortgage loans on real estate		15,357		147		116		15,620
Consumer:
Home equity lines of credit		5,838		198		6		6,042
Home equity loans		1,486		54		—		1,540
Other		779		14		—		793
Total consumer loans		8,103		266		6		8,375
Commercial		4,309		1,781		—		6,090
Construction:
Residential		1,834		—		—		1,834
Commercial		663		—		—		663
Total construction		2,497		—		—		2,497
Total	$	30,266	$	2,194	$	122	$	32,582

	Loans, Net of Unearned fees – As of December 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans, net of unearned fees
Mortgage loans on real estate:
Residential 1-4 family	$	509,267	$	4,321	$	1,674	$	515,262
Commercial		2,606,819		12,563		8,456		2,627,838
Total mortgage loans on real estate		3,116,086		16,884		10,130		3,143,100
Consumer:
Home equity lines of credit		322,764		2,646		1,167		326,577
Home equity loans		33,142		3,103		439		36,684
Other		55,483		196		42		55,721
Total consumer loans		411,389		5,945		1,648		418,982
Commercial		268,885		5,218		2,445		276,548
Construction:
Residential		121,296		—		—		121,296
Commercial		62,088		—		—		62,088
Total construction		183,384		—		—		183,384
Total	$	3,979,744	$	28,047	$	14,223	$	4,022,014

15

	Allowance for Loan Losses – Three Months Ended March 31, 2018
(in thousands)	Beginning Balance		Charge-offs			Recoveries		Provision (benefit)			Ending Balance
Mortgage loans on real estate:
Residential 1-4 family	$	2,317	$	(1	)	$	—	$	(146	)	$	2,170
Commercial		11,441		—			15		39			11,495
Total mortgage loans on real estate		13,758		(1	)		15		(107	)		13,665
Consumer:
Home equity lines of credit		5,800		(80	)		209		(517	)		5,412
Home equity loans		1,841		—			14		(119	)		1,736
Other		586		(194	)		78		100			570
Total consumer loans		8,227		(274	)		301		(536	)		7,718
Commercial		6,512		(205	)		50		35			6,392
Construction:
Residential		1,184		—			—		167			1,351
Commercial		642		—			—		205			847
Total construction		1,826		—			—		372			2,198
Total	$	30,323	$	(480	)	$	366	$	(236	)	$	29,973

	Allowance for Loan Losses – As of March 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance for loan losses
Mortgage loans on real estate:
Residential 1-4 family	$	1,910	$	190	$	70	$	2,170
Commercial		11,281		154		60		11,495
Total mortgage loans on real estate		13,191		344		130		13,665
Consumer:
Home equity lines of credit		4,956		448		8		5,412
Home equity loans		1,606		130		—		1,736
Other		514		56		—		570
Total consumer loans		7,076		634		8		7,718
Commercial		4,249		2,113		30		6,392
Construction:
Residential		1,351		—		—		1,351
Commercial		847		—		—		847
Total construction		2,198		—		—		2,198
Total	$	26,714	$	3,091	$	168	$	29,973

	Loans, Net of Unearned fees – As of March 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans, net of unearned fees
Mortgage loans on real estate:
Residential 1-4 family	$	378,832	$	5,535	$	1,744	$	386,111
Commercial		1,954,120		11,110		8,038		1,973,268
Total mortgage loans on real estate		2,332,952		16,645		9,782		2,359,379
Consumer:
Home equity lines of credit		279,140		2,450		1,661		283,251
Home equity loans		39,774		1,673		485		41,932
Other		23,285		278		43		23,606
Total consumer loans		342,199		4,401		2,189		348,789
Commercial		208,889		4,621		2,505		216,015
Construction:
Residential		71,462		136		—		71,598
Commercial		73,952		—		—		73,952
Total construction		145,414		136		—		145,550
Total	$	3,029,454	$	25,803	$	14,476	$	3,069,733

16

As part of the on-going monitoring of the credit quality of the Company’s loan portfolio, management tracks certain credit quality indicators including, but not limited to, trends relating to (i) the level of criticized and classified loans, (ii) net charge-offs, (iii) non-performing loans, and (iv) delinquency within the portfolio.

The Company utilizes a risk grading system to assign a risk grade to each of its loans. Loans are graded on a scale ranging from Pass to Loss. A description of the general characteristics of the risk grades is as follows:

• Pass – This grade represents loans ranging from acceptable to very little or no credit risk. These loans typically meet most if not all policy standards in regard to: loan amount as a percentage of collateral value, debt service coverage, profitability, leverage, and working capital.

• Special Mention – This grade represents “Other Assets Especially Mentioned” in accordance with regulatory guidelines and includes loans that display some potential weaknesses which, if left unaddressed, may result in deterioration of the repayment prospects for the asset or may inadequately protect the Company’s position in the future. These loans warrant more than normal supervision and attention.

• Substandard – This grade represents “Substandard” loans in accordance with regulatory guidelines. Loans within this rating typically exhibit weaknesses that are well defined to the point that repayment is jeopardized. Loss potential is, however, not necessarily evident. The underlying collateral supporting the credit appears to have sufficient value to protect the Company from loss of principal and accrued interest, or the loan has been written down to the point where this is true. There is a definite need for a well-defined workout/rehabilitation program.

• Doubtful – This grade represents “Doubtful” loans in accordance with regulatory guidelines. An asset classified as Doubtful has all the weaknesses inherent in a loan classified Substandard with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. Pending factors include proposed merger, acquisition, or liquidation procedures, capital injection, perfecting liens on additional collateral, and financing plans.

• Loss – This grade represents “Loss” loans in accordance with regulatory guidelines. A loan classified as Loss is considered uncollectible and of such little value that its continuance as a bankable asset is not warranted. This classification does not mean that the loan has absolutely no recovery or salvage value, but rather that it is not practical or desirable to defer writing off the loan, even though some recovery may be affected in the future. The portion of the loan that is graded loss should be charged off no later than the end of the quarter in which the loss is identified.

The following tables present ending loan balances by loan category and risk grade for the periods indicated:

	Credit Quality Indicators Originated Loans– As of March 31, 2019
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total Originated Loans
Mortgage loans on real estate:
Residential 1-4 family	$	350,256	$	1,807	$	5,496	$	—	$	357,559
Commercial		1,886,958		33,094		9,456		—		1,929,508
Total mortgage loans on real estate		2,237,214		34,901		14,952		—		2,287,067
Consumer:
Home equity lines of credit		273,144		2,867		3,064		—		279,075
Home equity loans		27,328		1,533		2,384		—		31,245
Other		44,611		309		100		—		45,020
Total consumer loans		345,083		4,709		5,548		—		355,340
Commercial		214,758		7,896		4,660		—		227,314
Construction:
Residential		115,432		—		256		—		115,688
Commercial		64,238		338		—		—		64,576
Total construction		179,670		338		256		—		180,264
Total loans	$	2,976,725	$	47,844	$	25,416	$	—	$	3,049,985

17

	Credit Quality Indicators PNCI Loans – As of March 31, 2019
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total PNCI Loans
Mortgage loans on real estate:
Residential 1-4 family	$	161,351	$	1,109	$	808	$	—	$	163,268
Commercial		665,630		2,727		3,040		—		671,397
Total mortgage loans on real estate		826,981		3,836		3,848		—		834,665
Consumer:
Home equity lines of credit		35,888		925		1,277		—		38,090
Home equity loans		3,174		98		84		—		3,356
Other		19,790		208		3		—		20,001
Total consumer loans		58,852		1,231		1,364		—		61,447
Commercial		38,762		201		332		—		39,295
Construction:
Residential		30,096		—		—		—		30,096
Commercial		6,872		—		245		—		7,117
Total construction		36,968		—		245		—		37,213
Total loans	$	961,563	$	5,268	$	5,789	$	—	$	972,620

	Credit Quality Indicators Originated Loans– As of December 31, 2018
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total Originated Loans
Mortgage loans on real estate:
Residential 1-4 family	$	337,189	$	1,724	$	4,883	$	—	$	343,796
Commercial		1,861,627		33,483		15,871		—		1,910,981
Total mortgage loans on real estate		2,198,816		35,207		20,754		—		2,254,777
Consumer:
Home equity lines of credit		279,491		2,309		2,653		—		284,453
Home equity loans		29,289		1,054		2,317		—		32,660
Other		33,606		341		73		—		34,020
Total consumer loans		342,386		3,704		5,043		—		351,133
Commercial		217,126		6,127		5,382		—		228,635
Construction:
Residential		90,412		32		259		—		90,703
Commercial		55,863		345		—		—		56,208
Total construction		146,275		377		259		—		146,911
Total loans	$	2,904,603	$	45,415	$	31,438	$	—	$	2,981,456

	Credit Quality Indicators PNCI Loans – As of December 31, 2018
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total PNCI Loans
Mortgage loans on real estate:
Residential 1-4 family	$	167,908	$	1,086	$	798	$	—	$	169,792
Commercial		701,868		3,085		3,448		—		708,401
Total mortgage loans on real estate		869,776		4,171		4,246		—		878,193
Consumer:
Home equity lines of credit		38,780		1,124		1,053		—		40,957
Home equity loans		3,413		74		98		—		3,585
Other		21,481		173		5		—		21,659
Total consumer loans		63,674		1,371		1,156		—		66,201
Commercial		45,027		321		120		—		45,468
Construction:
Residential		30,593		—		—		—		30,593
Commercial		5,880		—		—		—		5,880
Total construction		36,473		—		—		—		36,473
Total	$	1,014,950	$	5,863	$	5,522	$	—	$	1,026,335

18

Consumer loans, whether unsecured or secured by real estate, automobiles, or other personal property, are susceptible to three primary risks; non-payment due to income loss, over-extension of credit and, when the borrower is unable to pay, shortfall in collateral value. Typically, payment performance will follow general economic trends in the marketplace driven primarily by rises in the unemployment rate; non-payment is likely due to loss of employment. Loss of collateral value can be due to market demand shifts, damage to collateral itself or a combination of the two. Problem consumer loans are generally identified by payment history and current performance of the borrower (delinquency). The Bank manages its consumer loan portfolios by monitoring delinquency and contacting borrowers to encourage repayment, suggesting modifications if appropriate, and, when continued scheduled payments become unrealistic, initiating repossession or foreclosure through appropriate channels.

Commercial real estate loans generally fall into two categories, owner-occupied and non-owner occupied. Loans secured by owner occupied real estate are primarily susceptible to changes in the business conditions of the related business. This may be driven by, among other things, industry changes, geographic business changes, changes in the individual fortunes of the business owner, and general economic conditions and changes in business cycles. These same risks apply to commercial loans whether secured by equipment or other personal property or unsecured. Losses on loans secured by owner occupied real estate, equipment, or other personal property generally are dictated by the value of underlying collateral at the time of default and liquidation of the collateral. When default is driven by issues related specifically to the business owner, collateral values tend to provide better repayment support and may result in little or no loss. Alternatively, when default is driven by more general economic conditions, underlying collateral generally has devalued more and results in larger losses due to default. Loans secured by non-owner occupied real estate are primarily susceptible to risks associated with swings in occupancy or vacancy and related shifts in lease rates, rental rates or room rates. Most often these shifts are a result of changes in general economic or market conditions or overbuilding and resultant over-supply. Losses are dependent on value of underlying collateral at the time of default. Values are generally driven by these same factors and influenced by interest rates and required rates of return as well as changes in occupancy costs.

Construction loans, whether owner occupied or non-owner occupied commercial real estate loans or residential development loans, are not only susceptible to the related risks described above but the added risks of construction itself including cost over-runs, mismanagement of the project, or lack of demand or market changes experienced at time of completion. Again, losses are primarily related to underlying collateral value and changes therein as described above.

Problem commercial loans are generally identified by periodic review of financial information which may include financial statements, tax returns, rent rolls and payment history of the borrower (delinquency). Based on this information the Bank may decide to take any of several courses of action including demand for repayment, additional collateral or guarantors, and, when repayment becomes unlikely through borrower’s income and cash flow, repossession or foreclosure of the underlying collateral.

Collateral values may be determined by appraisals obtained through Bank approved, licensed appraisers, qualified independent third parties, public value information (blue book values for autos), sales invoices, or other appropriate means. Appropriate valuations or revaluations are obtained at initiation of the credit and periodically, but not less than every twelve months depending on collateral type, once repayment is questionable and the loan has been classified.

Once a loan becomes delinquent and repayment becomes questionable, a Bank collection officer will address collateral shortfalls with the borrower and attempt to obtain additional collateral. If this is not forthcoming and payment in full is unlikely, the Bank will estimate its probable loss, using a recent valuation as appropriate to the underlying collateral less estimated costs of sale, and charge the loan down to the estimated net realizable amount. Depending on the length of time until ultimate collection, the Bank may revalue the underlying collateral and take additional charge-offs as warranted. Revaluations may occur as often as every 3-12 months depending on the underlying collateral and volatility of values. Final charge-offs or recoveries are taken when collateral is liquidated and actual loss is known. Unpaid balances on loans after or during collection and liquidation may also be pursued through lawsuit and attachment of wages or judgment liens on borrower’s other assets.

19

The following table shows the ending balance of current and past due originated loans by loan category as of the date indicated:

	Analysis of Originated Past Due Loans - As of March 31, 2019
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	2,231	$	—	$	396	$	2,627	$	354,932	$	357,559	$	—
Commercial		767		—		901		1,668		1,927,840		1,929,508		—
Total mortgage loans on real estate		2,998		—		1,297		4,295		2,282,772		2,287,067		—
Consumer:
Home equity lines of credit		1,774		11		362		2,147		276,928		279,075		—
Home equity loans		512		24		163		699		30,546		31,245		17
Other		151		—		9		160		44,860		45,020		9
Total consumer loans		2,437		35		534		3,006		352,334		355,340		26
Commercial		1,122		453		371		1,946		225,368		227,314		14
Construction:
Residential		785		—		—		785		114,903		115,688		—
Commercial		—		—		—		—		64,576		64,576		—
Total construction		785		—		—		785		179,479		180,264		—
Total originated loans	$	7,342	$	488	$	2,202	$	10,032	$	3,039,953	$	3,049,985	$	40

The following table shows the ending balance of current and past due PNCI loans by loan category as of the date indicated:

	Analysis of PNCI Past Due Loans - As of March 31, 2019
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	1,457	$	270	$	—	$	1,727	$	161,541	$	163,268	$	—
Commercial		2,898		—		949		3,847		667,550		671,397		—
Total mortgage loans on real estate		4,355		270		949		5,574		829,091		834,665		—
Consumer:
Home equity lines of credit		418		—		1		419		37,671		38,090		—
Home equity loans		14		—		—		14		3,342		3,356		—
Other		151		—		—		151		19,850		20,001		—
Total consumer loans		583		—		1		584		60,863		61,447		—
Commercial		2		99		233		334		38,961		39,295		—
Construction:
Residential		—		—		—		—		30,096		30,096		—
Commercial		—		—		—		—		7,117		7,117		—
Total construction		—		—		—		—		37,213		37,213		—
Total PNCI loans	$	4,940	$	369	$	1,183	$	6,492	$	966,128	$	972,620	$	—

The following table shows the ending balance of current and past due originated loans by loan category as of the date indicated:

	Analysis of Originated Past Due Loans - As of December 31, 2018
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	1,675	$	132	$	478	$	2,285	$	341,511	$	343,796	$	—
Commercial		431		1,200		296		1,927		1,909,054		1,910,981		—
Total mortgage loans on real estate		2,106		1,332		774		4,212		2,250,565		2,254,777		—
Consumer:
Home equity lines of credit		908		47		609		1,564		282,889		284,453		—
Home equity loans		1,043		24		214		1,281		31,379		32,660		—
Other		298		17		—		315		33,705		34,020		—
Total consumer loans		2,249		88		823		3,160		347,973		351,133		—
Commercial		1,053		579		1,247		2,879		225,756		228,635		—
Construction:
Residential		209		—		—		209		90,494		90,703		—
Commercial		—		—		—		—		56,208		56,208		—
Total construction		209		—		—		209		146,702		146,911		—
Total loans	$	5,617	$	1,999	$	2,844	$	10,460	$	2,970,996	$	2,981,456	$	—

20

The following table shows the ending balance of current and past due PNCI loans by loan category as of the date indicated:

	Analysis of PNCI Past Due Loans - As of December 31, 2018
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	1,009	$	133	$	156	$	1,298	$	168,494	$	169,792	$	—
Commercial		1,646		1,136		1,082		3,864		704,537		708,401		—
Total mortgage loans on real estate		2,655		1,269		1,238		5,162		873,031		878,193		—
Consumer:
Home equity lines of credit		304		35		237		576		40,381		40,957		—
Home equity loans		74		—		—		74		3,511		3,585		—
Other		160		—		—		160		21,499		21,659		—
Total consumer loans		538		35		237		810		65,391		66,201		—
Commercial		678		145		113		936		44,532		45,468		—
Construction:
Residential		—		—		—		—		30,593		30,593		—
Commercial		—		—		—		—		5,880		5,880		—
Total construction		—		—		—		—		36,473		36,473		—
Total loans	$	3,871	$	1,449	$	1,588	$	6,908	$	1,019,427	$	1,026,335	$	—

Interest income on originated nonaccrual loans that would have been recognized during the three months ended March 31, 2019 and 2018, if all such loans had been current in accordance with their original terms, totaled $279,000 and $285,000, respectively. Interest income actually recognized on these originated loans during the three months ended March 31, 2019 and 2018 was $33,000 and $22,000, respectively. Interest income on PNCI nonaccrual loans that would have been recognized during the three months ended March 31, 2019 and 2018, if all such loans had been current in accordance with their original terms, totaled $121,000 and $27,000, respectively. Interest income actually recognized on these PNCI loans during the three months ended March 31, 2019 and 2018 was $60,000 and $0.

The following table shows the ending balance of nonaccrual originated and PNCI loans by loan category as of the date indicated:

	Non Accrual Loans
	As of March 31, 2019						As of December 31, 2018
(in thousands)	Originated		PNCI		Total		Originated		PNCI		Total
Mortgage loans on real estate:
Residential 1-4 family	$	3,066	$	308	$	3,374	$	3,244	$	334	$	3,578
Commercial		4,493		1,445		5,938		9,263		1,468		10,731
Total mortgage loans on real estate		7,559		1,753		9,312		12,507		1,802		14,309
Consumer:
Home equity lines of credit		1,366		501		1,867		1,429		885		2,314
Home equity loans		1,599		36		1,635		1,722		47		1,769
Other		28		4		32		3		4		7
Total consumer loans		2,993		541		3,534		3,154		936		4,090
Commercial		3,144		332		3,476		3,755		120		3,875
Construction:
Residential		—		—		—		—		—		—
Commercial		—		—		—		—		—		—
Total construction		—		—		—		—		—		—
Total non accrual loans	$	13,696	$	2,626	$	16,322	$	19,416	$	2,858	$	22,274

Impaired originated loans are those where management has concluded that it is probable that the borrower will be unable to pay all amounts due in accordance with the original contractual terms of the loan agreement. The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired Originated and PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

21

	Impaired Originated Loans – As of, or for the Three Months Ended, March 31, 2019
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	4,148	$	3,481	$	—	$	3,481	$	55	$	4,029	$	6
Commercial		6,771		5,874		592		6,466		37		9,453		22
Total mortgage loans on real estate		10,919		9,355		592		9,947		92		13,482		28
Consumer:
Home equity lines of credit		1,857		1,737		58		1,795		18		1,943		4
Home equity loans		2,333		1,639		120		1,759		20		1,963		—
Other		46		—		28		28		9		33		—
Total consumer loans		4,236		3,376		206		3,582		47		3,939		4
Commercial		4,538		2,301		2,043		4,344		1,223		4,778		—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	19,693	$	15,032	$	2,841	$	17,873	$	1,362	$	22,199	$	32
	Impaired PNCI Loans – As of, or for the Three Months Ended, March 31, 2019
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	344	$	308	$	—	$	308	$	—	$	321	$	—
Commercial		3,089		1,445		—		1,445		—		1,456		58
Total mortgage loans on real estate		3,433		1,753		—		1,753		—		1,777		58
Consumer:
Home equity lines of credit		831		401		360		761		112		883		—
Home equity loans		242		102		122		224		50		232		—
Other		102		64		38		102		7		106		—
Total consumer loans		1,175		567		520		1,087		169		1,221		—
Commercial		335		113		219		332		219		226		2
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	4,943	$	2,433	$	739	$	3,172	$	388	$	3,224	$	60
	Impaired Originated Loans – As of, or for the Twelve Months Ended, December 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	4,594	$	3,663	$	308	$	3,971	$	56	$	3,517	$	90
Commercial		13,081		10,676		1,765		12,441		42		13,115		137
Total mortgage loans on real estate		17,675		14,339		2,073		16,412		98		16,632		227
Consumer:
Home equity lines of credit		1,900		1,749		111		1,860		71		1,885		43
Home equity loans		2,374		1,892		65		1,957		2		1,520		23
Other		3		—		3		3		3		17		2
Total consumer loans		4,277		3,641		179		3,820		76		3,422		68
Commercial		5,433		2,924		2,287		5,211		1,774		4,654		91
Construction:
Residential		—		—		—		—		—		5		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		5		—
Total	$	27,385	$	20,904	$	4,539	$	25,443	$	1,948	$	24,713	$	386

22

	Impaired PNCI Loans – As of, or for the Twelve Months Ended, December 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	375	$	334	$	—	$	334	$	—	$	529	$	5
Commercial		3,110		1,468		—		1,468		—		1,713		183
Total mortgage loans on real estate		3,485		1,802		—		1,802		—		2,242		188
Consumer:
Home equity lines of credit		1,027		587		367		954		127		1,120		18
Home equity loans		252		47		197		244		101		155		—
Other		106		21		85		106		11		114		—
Total consumer loans		1,385		655		649		1,304		239		1,389		18
Commercial		120		113		7		120		7		60		1
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	4,990	$	2,570	$	656	$	3,226	$	246	$	3,691	$	207
	Impaired Originated Loans – As of, or for the Three Months Ended, March 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	4,378	$	2,678	$	1,525	$	4,203	$	190	$	4,071	$	28
Commercial		11,407		9,848		1,262		11,110		154		12,510		44
Total mortgage loans on real estate		15,785		12,526		2,787		15,313		344		16,581		72
Consumer:
Home equity lines of credit		1,478		888		527		1,415		146		1,455		10
Home equity loans		1,744		1,193		196		1,389		10		1,347		2
Other		4		—		4		4		4		6		—
Total consumer loans		3,226		2,081		727		2,808		160		2,808		12
Commercial		4,756		881		3,740		4,621		2,113		4,545		26
Construction:
Residential		136		136		—		136		—		138		2
Commercial		—		—		—		—		—		—		—
Total construction		136		136		—		136		—		138		2
Total	$	23,903	$	15,624	$	7,254	$	22,878	$	2,617	$	24,072	$	112
	Impaired PNCI Loans – As of, or for the Three Months Ended, March 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	1,390	$	1,332	$	—	$	1,332	$	—	$	1,345	$	2
Commercial		—		—		—		—		—		—		—
Total mortgage loans on real estate		1,390		1,332		—		1,332		—		1,345		2
Consumer:
Home equity lines of credit		1,065		501		534		1,035		302		1,114		5
Home equity loans		298		40		244		284		120		225		3
Other		274		28		246		274		52		262		2
Total consumer loans		1,637		569		1,024		1,593		474		1,601		10
Commercial		—		—		—		—		—				—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	3,027	$	1,901	$	1,024	$	2,925	$	474	$	2,946	$	12

Originated loans classified as TDRs and impaired were $9,547,000, $10,253,000, and $9,871,000 at March 31, 2019, December 31, 2018, and March 31, 2018, respectively. PNCI loans classified as TDRs and impaired were $823,000, $615,000, and $1,471,000 at March 31, 2019, December 31, 2018 and March 31, 2018, respectively. The Company had no significant obligations to lend additional funds on Originated or PNCI TDRs as of March 31, 2019, December 31, 2018, or March 31, 2018.

23

The following tables show certain information regarding TDRs that occurred during the periods indicated:

	TDR Information for the Three Months Ended March 31, 2019
(dollars in thousands)	Number		Pre-mod outstanding principal balance		Post-mod outstanding principal balance		Financial impact due to TDR taken as additional provision		Number that defaulted during the period		Recorded investment of TDRs that defaulted during the period		Financial impact due to the default of previous TDR taken as charge- offs or additional provisions
Mortgage loans on real estate:
Residential 1-4 family		1	$	163	$	162	$	—		—	$	—	$	—
Commercial		—		—		—		—		—		—		—
Total mortgage loans on real estate		1		163		162		—		—		—		—
Consumer:
Home equity lines of credit		—		—		—		—		—		—		—
Home equity loans		1		121		120		1		—		—		—
Other		—		—		—		—		—		—		—
Total consumer loans		1		121		120		1		—		—		—
Commercial		2		15		15		—		1		7		—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total		4	$	299	$	297	$	1		1	$	7	$	—
	TDR Information for the Three Months Ended March 31, 2018
(dollars in thousands)	Number		Pre-mod outstanding principal balance		Post-mod outstanding principal balance		Financial impact due to TDR taken as additional provision		Number that defaulted during the period		Recorded investment of TDRs that defaulted during the period		Financial impact due to the default of previous TDR taken as charge- offs or additional provisions
Mortgage loans on real estate:
Residential 1-4 family		—	$	—	$	—	$	—		—	$	—	$	—
Commercial		1		384		384		11		1		169		—
Total mortgage loans on real estate		1		384		384		11		1		169		—
Consumer:
Home equity lines of credit		1		133		138		—		—		—		—
Home equity loans		1		121		121		—		—		—		—
Other		—		—		—		—		—		—		—
Total consumer loans		2		254		259		—		—		—		—
Commercial		—		—		—		—		—		—		—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total		3	$	638	$	643	$	11		1	$	169	$	—

Modifications classified as TDRs can include one or a combination of the following: rate modifications, term extensions, interest only modifications, either temporary or long-term, payment modifications, and collateral substitutions/additions.

For all new TDRs, an impairment analysis is conducted. If the loan is determined to be collateral dependent, any additional amount of impairment will be calculated based on the difference between estimated collectible value and the current carrying balance of the loan. This difference could result in an increased provision and is typically charged off. If the asset is determined not to be collateral dependent, the impairment is measured on the net present value difference between the expected cash flows of the restructured loan and the cash flows which would have been received under the original terms. The effect of this could result in a requirement for additional provision to the reserve. The effect of these required provisions for the period are indicated above.

Typically if a TDR defaults during the period, the loan is then considered collateral dependent and, if it was not already considered collateral dependent, an appropriate provision will be reserved or charge will be taken. The additional provisions required resulting from default of previously modified TDR’s are noted above.

24

Note 6 – Leases

The Company adopted ASU 2016-02 “Leases” (Topic 842) as of January 1, 2019, which requires the Company to record a right-of-use asset (“ROUA”) on the consolidated balance sheets for those leases that convey rights to control use of identified assets for a period of time in exchange for consideration. The Company is also required to record a lease liability on the consolidated balance sheets for the present value of future payment commitments. All of the Company’s leases are comprised of operating leases in which the Company is lessee of real estate property for branches, ATM locations, and general administration and operations. The Company elected not to include short-term leases (i.e. leases with initial terms of twelve months or less) within the ROUA and lease liability. Known or determinable adjustments to the required minimum future lease payments were included in the calculation of the Company’s ROUA and lease liability. Adjustments to the required minimum future lease payments that are variable and will not be determinable until a future period, such as changes in the consumer price index, are included as variable lease costs. Additionally, expected variable payments for common area maintenance, taxes and insurance were unknown and not determinable at lease commencement and therefore, were not included in the determination of the Company’s ROUA or lease liability.

The value of the ROUA and lease liability is impacted by the amount of the periodic payment required, length of the lease term, and the discount rate used to calculate the present value of the minimum lease payments. The Company’s lease agreements often include one or more options to renew at the Company’s discretion. If at lease inception, the Company considers the exercising of a renewal option to be reasonably certain, the Company will include the extended term in the calculation of the ROU asset and lease liability. Topic 842 requires the use of the rate implicit in the lease whenever this rate is readily determinable. As this rate is rarely determinable, the Company utilizes its incremental borrowing rate at lease inception, on a collateralized basis, over a similar term. For operating leases existing prior to January 1, 2019, the rate for the remaining lease term as of January 1, 2019 was used. The lease liability is reduced based on the discounted present value of remaining payments as of each reporting period. The ROUA value is measured using the amount of lease liability and adjusted for prepaid or accrued lease payments, remaining lease incentives, unamortized direct costs (if any), and impairment (if any).

The following table presents the components of lease expense for the three months ended March 31 2019:

	Three months ended
(in thousands)	March 31, 2019
Operating lease cost	$	1,311
Short-term lease cost		71
Variable lease cost		(5	)
Sublease income		(34	)
Total lease cost	$	1,343

Prior to the adoption of ASU 2016-02, rent expense under operating leases was $921,000 during the three months ended March 31, 2018. Rent expense was offset by rent income of $10,000 during the three months ended March 31, 2018.

The following table presents supplemental cash flow information related to leases for the three months ended March 31, 2019:

	Three months ended
(in thousands)	March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,218
ROUA obtained in exchange for operating lease liabilities	$	32,006

The following table presents the weighted average operating lease term and discount rate at March 31, 2019:

As of March 31, 2019:
Weighted-average remaining lease term	9.5 years
Weighted-average discount rate	3.17	%

25

At March 31, 2019, future expected operating lease payments are as follows:

(in thousands)
Periods ending December 31,
2019	$	3,519
2020		4,380
2021		4,226
2022		3,887
2023		3,208
Thereafter		16,455
		35,675
Discount for present value of expected cash flows		(5,471	)
Lease liability at March 31, 2019	$	30,204

Note 7 - Deposits

A summary of the balances of deposits follows (in thousands):

	March 31,		December 31,
	2019		2018
Noninterest-bearing demand	$	1,761,559	$	1,760,580
Interest-bearing demand		1,297,672		1,252,366
Savings		1,925,168		1,921,324
Time certificates, $250,000 and above		135,716		132,429
Other time certificates		310,147		299,767
Total deposits	$	5,430,262	$	5,366,466

Certificate of deposit balances of $50,000,000 and $60,000,000 from the State of California were included in time certificates, over $250,000, at March 31, 2019 and December 31, 2018, respectively. The Company participates in a deposit program offered by the State of California whereby the State may make deposits at the Company’s request subject to collateral and credit worthiness constraints. The negotiated rates on these State deposits are generally more favorable than other wholesale funding sources available to the Company. Overdrawn deposit balances of $1,207,000 and $1,469,000 were classified as consumer loans at March 31, 2019 and December 31, 2018, respectively.

Note 8 - Commitments and Contingencies

The following table presents a summary of the Bank’s commitments and contingent liabilities:

(in thousands)	March 31,		December 31,
	2019		2018
Financial instruments whose amounts represent risk:
Commitments to extend credit:
Commercial loans	$	316,382	$	306,191
Consumer loans		514,413		496,575
Real estate mortgage loans		163,733		140,292
Real estate construction loans		232,385		248,996
Standby letters of credit		11,743		11,346
Deposit account overdraft privilege		115,552		111,956

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Note 9 – Shareholders’ Equity

Dividends Paid

The Bank paid to the Company cash dividends in the aggregate amounts of $8,114,000 and $4,372,000 during the three months ended March 31, 2019 and 2018, respectively. The Bank is regulated by the Federal Deposit Insurance Corporation (FDIC) and the State of California Department of Business Oversight (DBO). Absent approval from the Commissioner of the DBO, California banking laws generally limit the Bank’s ability to pay dividends to the lesser of (1) retained earnings or (2) net income for the last three fiscal years, less cash distributions paid during such period.

Stock Repurchase Plan

On August 21, 2007, the Board of Directors adopted a plan to repurchase, as conditions warrant, up to 500,000 shares of the Company’s common stock on the open market. The timing of purchases and the exact number of shares to be purchased will depend on market conditions. This stock repurchase plan has no expiration date. As of March 31, 2019, the Company had repurchased 196,566 shares under this plan. During the three month periods ended March 31, 2019 and 2018, there were no shares of common stock repurchased under this plan.

Stock Repurchased Under Equity Compensation Plans

During the three months ended March 31, 2019 and 2018, employees tendered 16,418 and 134 shares, respectively, of the Company’s common stock with market value of $647,000, and $4,000, respectively, in lieu of cash to exercise options to purchase shares of the Company’s stock and to pay income taxes related to equity compensation plan instruments as permitted by the Company’s shareholder-approved equity compensation plans. The tendered shares were retired. The market value of tendered shares is the last market trade price at closing on the day an option is exercised. Stock repurchased under equity incentive plans are not included in the total of stock repurchased under the stock repurchase plan announced on August 21, 2007.

Note 10 - Stock Options and Other Equity-Based Incentive Instruments

Stock option activity during the three months ended March 31, 2019 is summarized in the following table:

					Weighted
	Number			Option Price	Average
	of Shares			per Share	Exercise Price
Outstanding at December 31, 2018		343,000		$12.63 to $23.21	$		16.67
Options granted		—		— to —			—
Options exercised		(41,000	)	$12.63 to $19.46			15.78
Options forfeited		—		— to —			—
Outstanding at March 31, 2019		302,000		$14.54 to $23.21		$	16.88

The following table shows the number, weighted-average exercise price, intrinsic value, and weighted average remaining contractual life of options exercisable, options not yet exercisable and total options outstanding as of March 31, 2019:

	Currently		Currently Not		Total
	Exercisable		Exercisable		Outstanding
Number of options		300,875		1,125		302,000
Weighted average exercise price	$	16.86	$	23.21	$	16.88
Intrinsic value (in thousands)	$	5,095	$	12	$	5,107
Weighted average remaining contractual term (yrs.)		3.4		5.8		3.4

The 1,125 options that are currently not exercisable as of March 31, 2019 are expected to vest, on a weighted-average basis, over the next six months. The Company did not modify any option grants during 2018 or the three months ended March 31, 2019.

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Restricted stock unit (RSU) activity is summarized in the following table for the dates indicated:

	Service Condition Vesting RSUs			Market Plus Service Condition Vesting RSUs
Outstanding at December 31, 2018		66,947			45,536
RSUs granted		—			—
RSUs added through dividend credits		322			—
RSUs released		(355	)		—
RSUs forfeited/expired		—			—
Outstanding at March 31, 2019		66,914			45,536

The 66,914 of service condition vesting RSUs outstanding as of March 31, 2019 include a feature whereby each RSU outstanding is credited with a dividend amount equal to any common stock cash dividend declared and paid, and the credited amount is divided by the closing price of the Company’s stock on the dividend payable date to arrive at an additional amount of RSUs outstanding under the original grant. The dividend credits follow the same vesting requirements as the RSU awards and are not considered participating securities. The 66,914 of service condition vesting RSUs outstanding as of March 31, 2019 are expected to vest, and be released, on a weighted-average basis, over the next 1.2 years. The Company expects to recognize $1,465,000 of pre-tax compensation costs related to these service condition vesting RSUs between March 31, 2019 and their vesting dates. The Company did not modify any service condition vesting RSUs during 2018 or during the three months ended March 31, 2019.

The 45,536 of market plus service condition vesting RSUs outstanding as of March 31, 2019 are expected to vest, and be released, on a weighted-average basis, over the next 1.2 years. The Company expects to recognize $633,000 of pre-tax compensation costs related to these RSUs between March 31, 2019 and their vesting dates. As of March 31, 2019, the number of market plus service condition vesting RSUs outstanding that will actually vest, and be released, may be reduced to zero or increased to 68,304 depending on the total return of the Company’s common stock versus the total return of an index of bank stocks from the grant date to the vesting date. The Company did not modify any market plus service condition vesting RSUs during 2018 or during the three months ended March 31, 2019.

Note 11 - Noninterest Income and Expense

The following table summarizes the Company’s noninterest income for the periods indicated:

	Three months ended March 31,
(dollars in thousands)	2019			2018
ATM and interchange fees	$	4,581		$	4,235
Service charges on deposit accounts		3,880			3,779
Other service fees		771			714
Mortgage banking service fees		483			517
Change in value of mortgage servicing rights		(645	)		111
Total service charges and fees		9,070			9,356
Increase in cash value of life insurance		775			608
Asset management and commission income		642			876
Gain on sale of loans		412			626
Lease brokerage income		220			128
Sale of customer checks		140			101
Gain on sale of foreclosed assets		99			371
Gain (loss) on marketable equity securities		36			(48	)
Loss on disposal of fixed assets		(38	)		(13	)
Other		508			285
Total other noninterest income		2,794			2,934
Total noninterest income	$	11,864		$	12,290

28

The components of noninterest expense were as follows (in thousands):

	Three months ended March 31,
	2019		2018
Base salaries, net of deferred loan origination costs	$	16,757	$	13,962
Incentive compensation		2,567		2,452
Benefits and other compensation costs		5,804		5,238
Total salaries and benefits expense		25,128		21,652
Occupancy		3,774		2,681
Data processing and software		3,349		2,514
Equipment		1,867		1,551
Intangible amortization		1,431		339
Advertising		1,331		838
ATM and POS network charges		1,323		1,226
Professional fees		839		773
Telecommunications		797		701
Regulatory assessments and insurance		511		430
Merger and acquisition expense		—		476
Postage		310		358
Operational losses		225		294
Courier service		270		267
Other miscellaneous expense		4,358		4,062
Total other noninterest expense		20,385		16,510
Total noninterest expense	$	45,513	$	38,162

Note 12 – Earnings Per Share

Basic earnings per share represent income available to common shareholders divided by the weighted-average number of common shares outstanding during the period. Diluted earnings per share reflect additional common shares that would have been outstanding if dilutive potential common shares had been issued, as well as any adjustments to income that would result from assumed issuance. Potential common shares that may be issued by the Company relate from outstanding stock options and restricted stock units (RSUs), and are determined using the treasury stock method. Earnings per share have been computed based on the following:

	Three months ended March 31,
(in thousands)	2019		2018
Net income	$	22,726	$	13,910
Average number of common shares outstanding		30,424		22,956
Effect of dilutive stock options and restricted stock		234		327
Average number of common shares outstanding used to calculate diluted earnings per share		30,658		23,283
Options excluded from diluted earnings per share because the effect of these options was antidilutive		—		—

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Note 13 – Comprehensive Income

Accounting principles generally require that recognized revenue, expenses, gains and losses be included in net income. Although certain changes in assets and liabilities, such as unrealized gains and losses on available-for-sale securities, are reported as a separate component of the equity section of the balance sheet, such items, along with net income, are components of other comprehensive income.

The components of other comprehensive income (loss) and related tax effects are as follows:

	Three months ended March 31,
(in thousands)	2019			2018
Unrealized holding gains (losses) on available for sale securities before reclassifications		12,710		$	(15,265	)
Amounts reclassified out of accumulated other comprehensive income:
Adoption ASU 2016-01		—			62
Adoption ASU 2018-02		—			(425	)
Total amounts reclassified out of accumulated other comprehensive income		—			(363	)
Unrealized holding gains (losses) on available for sale securities after reclassifications		12,710			(15,628	)
Tax effect		(3,758	)		4,602
Unrealized holding gains (losses) on available for sale securities, net of tax		8,952			(11,026	)
Change in unfunded status of the supplemental retirement plans before reclassifications		(89	)		667
Amounts reclassified out of accumulated other comprehensive income:
Amortization of prior service cost		(13	)		(13	)
Amortization of actuarial losses		102			127
Adoption ASU 2018-02		—			(668	)
Total amounts reclassified out of accumulated other comprehensive income		89			(554	)
Change in unfunded status of the supplemental retirement plans after reclassifications		—			113
Tax effect		—			(33	)
Change in unfunded status of the supplemental retirement plans, net of tax		—			80
Total other comprehensive income (loss)	$	8,952		$	(10,946	)

The components of accumulated other comprehensive loss, included in shareholders’ equity, are as follows:

	March 31,			December 31,
(in thousands)	2019			2018
Net unrealized loss on available for sale securities	$	(8,264	)	$	(20,974	)
Tax effect		2,443			6,201
Unrealized holding loss on available for sale securities, net of tax		(5,821	)		(14,773	)
Unfunded status of the supplemental retirement plans		(4,802	)		(4,802	)
Tax effect		1,420			1,420
Unfunded status of the supplemental retirement plans, net of tax		(3,382	)		(3,382	)
Joint beneficiary agreement liability		276			276
Tax effect		—			—
Joint beneficiary agreement liability, net of tax		276			276
Accumulated other comprehensive loss	$	(8,927	)	$	(17,879	)

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Note 14 - Fair Value Measurement

The Company utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. In estimating fair value, the Company utilizes valuation techniques that are consistent with the market approach, income approach, and/or the cost approach. Inputs to valuation techniques include the assumptions that market participants would use in pricing an asset or liability including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset and the risk of nonperformance. Marketable equity securities, debt securities available-for-sale, loans held for sale, and mortgage servicing rights are recorded at fair value on a recurring basis. Additionally, from time to time, the Company may be required to record at fair value other assets on a nonrecurring basis, such loans held for investment and certain other assets. These nonrecurring fair value adjustments typically involve application impairment write-downs of individual assets.

The Company groups assets and liabilities at fair value in three levels, based on the markets in which the assets and liabilities are traded and the observable nature of the assumptions used to determine fair value. These levels are:

Level 1 - Valuation is based upon quoted prices for identical instruments traded in active markets.

Level 2 - Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market.

Level 3 - Valuation is generated from model-based techniques that use at least one significant assumption not observable in the market. These unobservable assumptions reflect estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques.

Marketable equity securities and debt securities available for sale – Marketable equity securities and debt securities available for sale are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security’s credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, U.S. Treasury securities that are traded by dealers or brokers in active over-the-counter markets and money market funds. Level 2 securities include mortgage-backed securities issued by government sponsored entities, municipal bonds and corporate debt securities. The Company had no securities classified as Level 3 during any of the periods covered in these financial statements.

Loans held for sale – Loans held for sale are carried at the lower of cost or fair value. The fair value of loans held for sale is based on what secondary markets are currently offering for loans with similar characteristics. As such, we classify those loans subjected to recurring fair value adjustments as Level 2.

Impaired originated and PNCI loans – Originated and PNCI loans are not recorded at fair value on a recurring basis. However, from time to time, an originated or PNCI loan is considered impaired and an allowance for loan losses is established. Originated and PNCI loans for which it is probable that payment of interest and principal will not be made in accordance with the original contractual terms of the loan agreement are considered impaired. The fair value of an impaired originated or PNCI loan is estimated using one of several methods, including collateral value, fair value of similar debt, enterprise value, liquidation value and discounted cash flows. Those impaired originated and PNCI loans not requiring an allowance represent loans for which the fair value of the expected repayments or collateral exceed the recorded investments in such loans. Impaired originated and PNCI loans where an allowance is established based on the fair value of collateral require classification in the fair value hierarchy. When the fair value of the collateral is based on an observable market price or a current appraised value which uses substantially observable data, the Company records the impaired originated or PNCI loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value, or the appraised value contains a significant unobservable assumption, such as deviations from comparable sales, and there is no observable market price, the Company records the impaired originated or PNCI loan as nonrecurring Level 3.

Foreclosed assets - Foreclosed assets include assets acquired through, or in lieu of, loan foreclosure. Foreclosed assets are held for sale and are initially recorded at fair value at the date of foreclosure, establishing a new cost basis. Subsequent to foreclosure, management periodically performs valuations and the assets are carried at the lower of carrying amount or fair value less cost to sell. When the fair value of foreclosed assets is based on an observable market price or a current appraised value which uses substantially observable data, the Company records the impaired originated loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value, or the appraised value contains a significant unobservable assumption, such as deviations from comparable sales, and there is no observable market price, the Company records the foreclosed asset as nonrecurring Level 3. Revenue and expenses from operations and changes in the valuation allowance are included in other noninterest expense.

Mortgage servicing rights - Mortgage servicing rights are carried at fair value. A valuation model, which utilizes a discounted cash flow analysis using a discount rate and prepayment speed assumptions is used in the computation of the fair value measurement. While the prepayment speed assumption is currently quoted for comparable instruments, the discount rate assumption currently requires a significant degree of management judgment and is therefore considered an unobservable input. As such, the Company classifies mortgage servicing rights subjected to recurring fair value adjustments as Level 3.

31

The table below presents the recorded amount of assets and liabilities measured at fair value on a recurring basis (in thousands):

	Total		Level 1		Level 2		Level 3
Fair value at March 31, 2019
Marketable equity securities	$	2,910	$	2,910	$	—	$	—
Debt securities available for sale:
Obligations of U.S. government corporations and agencies		627,100		—		627,100		—
Obligations of states and political subdivisions		129,349		—		129,349		—
Corporate bonds		4,478		—		4,478		—
Asset backed securities		352,589		—		352,589		—
Loans held for sale		5,410		—		5,410		—
Mortgage servicing rights		6,572		—		—		6,572
Total assets measured at fair value	$	1,128,408	$	2,910	$	1,118,926	$	6,572
	Total		Level 1		Level 2		Level 3
Fair value at December 31, 2018
Marketable equity securities	$	2,874	$	2,874	$	—	$	—
Debt securities available for sale:
Obligations of U.S. government corporations and agencies		629,981		—		629,981		—
Obligations of states and political subdivisions		126,072		—		126,072		—
Corporate bonds		4,478		—		4,478		—
Asset backed securities		354,505		—		354,505		—
Loans held for sale		3,687		—		3,687		—
Mortgage servicing rights		7,098		—		—		7,098
Total assets measured at fair value	$	1,128,695	$	2,874	$	1,118,723	$	7,098

Transfers between levels of the fair value hierarchy are recognized on the actual date of the event or circumstances that caused the transfer, which generally corresponds with the Company’s quarterly valuation process. There were no transfers between any levels during the three months ended March 31, 2019 or the year ended December 31, 2018.

The following table provides a reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the time periods indicated. Had there been any transfer into or out of Level 3 during the time periods indicated, the amount included in the “Transfers into (out of) Level 3” column would represent the beginning balance of an item in the period (interim quarter) during which it was transferred (in thousands):

	Beginning Balance		Transfers into (out of) Level 3		Change Included in Earnings			Issuances		Ending Balance
Three months ended March 31,
2019: Mortgage servicing rights	$	7,098		—	$	(645	)	$	119	$	6,572
2018: Mortgage servicing rights	$	6,687		—	$	111		$	155	$	6,953

The key unobservable inputs used in determining the fair value of mortgage servicing rights are mortgage prepayment speeds and the discount rate used to discount cash projected cash flows. Generally, any significant increases in the mortgage prepayment speed and discount rate utilized in the fair value measurement of the mortgage servicing rights will result in a negative fair value adjustments (and decrease in the fair value measurement). Conversely, a decrease in the mortgage prepayment speed and discount rate will result in a positive fair value adjustment (and increase in the fair value measurement).

32

The following table presents quantitative information about recurring Level 3 fair value measurements at March 31, 2019 and December 31, 2018:

	Fair Value (in thousands)		Valuation Technique		Unobservable Inputs		Range, Weighted Average
As of March 31, 2019:
Mortgage Servicing Rights	$	6,572		Discounted cash flow		Constant prepayment rate		5.4% - 27.1%; 8.9%
						Discount rate		12% - 13%; 12%
As of December 31, 2018:
Mortgage Servicing Rights	$	7,098		Discounted cash flow		Constant prepayment rate		5.0% - 27.3%; 7.6%
						Discount rate		12% - 13%; 12%

The tables below present the recorded investment in assets and liabilities measured at fair value on a nonrecurring basis, as of the dates indicated (in thousands):

	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Three months ended March 31, 2019
Fair value:
Impaired Originated & PNCI loans	$	212		—		—	$	212	$	(197	)
Foreclosed assets		214		—		—		214		98
Total assets measured at fair value	$	426		—		—	$	426	$	(99	)
	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Year ended December 31, 2018
Fair value:
Impaired Originated & PNCI loans	$	281		—		—	$	281	$	(294	)
Foreclosed assets		1,311		—		—		1,311		(8	)
Total assets measured at fair value	$	1,592		—		—	$	1,592	$	(302	)
	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Three months ended March 31, 2018
Fair value:
Impaired Originated & PNCI loans	$	2,103		—		—	$	2,103	$	(795	)
Foreclosed assets		774		—		—		774		(87	)
Total assets measured at fair value	$	2,877		—		—	$	2,877	$	(882	)

The impaired originated and PNCI loan amount above represents impaired, collateral dependent loans that have been adjusted to fair value. When the Company identifies a collateral dependent loan as impaired, the Company measures the impairment using the current fair value of the collateral, less selling costs. Depending on the characteristics of a loan, the fair value of collateral is generally estimated by obtaining external appraisals. If the Company determines that the value of the impaired loan is less than the recorded investment in the loan, the Company recognizes this impairment and adjust the carrying value of the loan to fair value through the allowance for loan and lease losses. The loss represents charge-offs or impairments on collateral dependent loans for fair value adjustments based on the fair value of collateral. The carrying value of loans fully charged-off is zero.

The foreclosed assets amount above represents impaired real estate that has been adjusted to fair value. Foreclosed assets represent real estate which the Company has taken control of in partial or full satisfaction of loans. At the time of foreclosure, other real estate owned is recorded at fair value less costs to sell, which becomes the property’s new basis. Any write-downs based on the asset’s fair value at the date of acquisition are charged to the allowance for loan and lease losses. After foreclosure, management periodically performs valuations such that the real estate is carried at the lower of its new cost basis or fair value, net of estimated costs to sell. Fair value adjustments on other real estate owned are recognized within net loss on real estate owned. The loss represents impairments on real estate owned for fair value adjustments based on the fair value of the real estate.

The Company’s property appraisals are primarily based on the sales comparison approach and income approach methodologies, which consider recent sales of comparable properties, including their income generating characteristics, and then make adjustments to reflect the general assumptions that a market participant would make when analyzing the property for purchase. These adjustments may increase or decrease an appraised value and can vary significantly depending on the location, physical characteristics and income producing potential of each property. Additionally, the quality and volume of market information available at the time of the appraisal can vary from period to period and cause significant changes to the nature and magnitude of comparable sale adjustments. Given these variations, comparable sale adjustments are generally not a reliable indicator for how fair value will increase or decrease from period to period. Under certain circumstances, management discounts are applied based on specific characteristics of an individual property.

33

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis at March 31, 2019:

	Fair Value (in thousands)		Valuation Technique	Unobservable Inputs	Range, Weighted Average
March 31, 2019
Impaired Originated & PNCI loans	$	212	Sales comparison approach	Adjustment for differences between comparable sales		Not meaningful
			Income approach	Capitalization rate		N/A
Foreclosed assets (Residential real estate)	$	214	Sales comparison approach	Adjustment for differences between comparable sales		Not meaningful

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis at December 31, 2018:

	Fair Value (in thousands)		Valuation Technique	Unobservable Inputs	Range, Weighted Average
December 31, 2018
Impaired Originated & PNCI loans	$	281	Sales comparison approach	Adjustment for differences between comparable sales	(16.3%) - 35.14%; 10.45%
			Income approach	Capitalization rate	N/A
Foreclosed assets (Residential real estate)	$	693	Sales comparison approach	Adjustment for differences between comparable sales	(21.83%) - 7.25%; (3.75%)
Foreclosed assets (Commercial real estate)	$	618	Sales comparison approach	Adjustment for differences between comparable sales	(65%) - 20%; (45%)

Fair values for financial instruments are management’s estimates of the values at which the instruments could be exchanged in a transaction between willing parties. The Company uses the exit price notion when measuring the fair value of financial instruments. These estimates are subjective and may vary significantly from amounts that would be realized in actual transactions. In addition, other significant assets are not considered financial assets including, any mortgage banking operations, deferred tax assets, and premises and equipment. Further, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on the fair value estimates and have not been considered in any of these estimates.

	March 31, 2019				December 31, 2018
(in thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
Level 1 inputs:
Cash and due from banks	$	105,103	$	105,103	$	119,781	$	119,781
Cash at Federal Reserve and other banks		213,605		213,605		107,752		107,752
Level 2 inputs:
Securities held to maturity		431,016		430,773		444,936		437,370
Restricted equity securities		17,250		N/A		17,250		N/A
Loans held for sale		5,410		5,410		3,687		4,616
Level 3 inputs:
Loans, net		4,002,267		4,053,496		3,989,432		4,006,986
Financial liabilities:
Level 2 inputs:
Deposits		5,430,262		5,427,004		5,366,466		5,362,173
Other borrowings		12,466		12,466		15,839		15,839
Level 3 inputs:
Junior subordinated debt		57,085		56,180		57,042		62,610
(in thousands)	Contract Amount		Fair Value		Contract Amount		Fair Value
Off-balance sheet:
Level 3 inputs:
Commitments	$	1,226,913	$	12,269	$	1,192,054	$	11,921
Standby letters of credit		11,743		117		11,346		113
Overdraft privilege commitments		115,552		1,156		111,956		1,120

34

Note 15 - Regulatory Matters

The Company is subject to various regulatory capital requirements administered by federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material effect on the Company’s consolidated financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Company must meet specific capital guidelines that involve quantitative measures of the Company’s assets, liabilities and certain off-balance-sheet items as calculated under regulatory accounting practices. The Company’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings and other factors.

Quantitative measures established by regulation to ensure capital adequacy require the Company to maintain minimum amounts and ratios (set forth in the table below) of total, Tier 1, and common equity Tier 1capital to risk-weighted assets, and of Tier 1 capital to average assets. The following tables present actual and required capital ratios as of March 31, 2019 and December 31, 2018 for the Company and the Bank under applicable Basel III Capital Rules. The minimum capital amounts presented include the minimum required capital levels as of March 31, 2019 and December 31, 2018 based on the then phased-in provisions of the Basel III Capital Rules. As of January 1, 2019, the minimum required capital levels of the Basel III Capital Rules have been fully phased-in. Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules.

						Minimum Capital					Required to be
						Required – Basel III					Considered Well
	Actual					Fully Phased In					Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of March 31, 2019:
Total Capital (to Risk Weighted Assets):
Consolidated	$	700,542		14.73	%	$	449,380		10.50	%		N/A		N/A
Tri Counties Bank	$	697,549		14.67	%	$	499,195		10.50	%	$	475,424		10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	665,688		14.00	%	$	404,260		8.50	%		N/A		N/A
Tri Counties Bank	$	662,695		13.94	%	$	404,111		8.50	%	$	380,339		8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	610,317		12.83	%	$	332,920		7.00	%		N/A		N/A
Tri Counties Bank	$	662,695		13.94	%	$	332,797		7.00	%	$	309,026		6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	665,688		10.84	%	$	245,649		4.00	%		N/A		N/A
Tri Counties Bank	$	662,695		10.79	%	$	245,643		4.00	%	$	307,054		5.00	%

						Minimum Capital					Minimum Capital					Required to be
						Required – Basel III					Required – Basel III					Considered Well
	Actual					Phase-in Schedule					Fully Phased In					Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of December 31, 2018:
Total Capital (to Risk Weighted Assets):
Consolidated	$	682,419		14.40	%	$	467,874		9.875	%	$	497,486		10.50	%		N/A		N/A
Tri Counties Bank	$	680,624		14.37	%	$	467,704		9.875	%	$	497,305		10.50	%	$	473,624		10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	647,262		13.66	%	$	373,115		7.875	%	$	402,727		8.50	%		N/A		N/A
Tri Counties Bank	$	645,467		13.63	%	$	372,979		7.875	%	$	402,581		8.50	%	$	378,899		8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	591,933		12.49	%	$	302,045		6.375	%	$	331,658		7.00	%		N/A		N/A
Tri Counties Bank	$	645,467		13.63	%	$	301,935		6.375	%	$	331,537		7.00	%	$	307,856		6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	647,262		10.68	%	$	242,452		4.000	%	$	242,452		4.00	%		N/A		N/A
Tri Counties Bank	$	645,467		10.65	%	$	242,447		4.000	%	$	242,447		4.00	%	$	303,059		5.00	%

As of March 31, 2019 and December 31, 2018, capital levels at the Company and the Bank exceed all capital adequacy requirements under the Basel III Capital Rules. Also, at March 31, 2019 and December 31, 2018, the Bank’s capital levels exceeded the minimum amounts necessary to be considered well capitalized under the current regulatory framework for prompt corrective action.

The Basel III Capital Rules require for all banking organizations to maintain a capital conservation buffer above the minimum risk-based capital requirements in order to avoid certain limitations on capital distributions, stock repurchases and discretionary bonus payments to executive officers. The capital conservation buffer is exclusively composed of common equity tier 1 capital, and it applies to each of the risk-based capital ratios but not the leverage ratio. At March 31, 2019, the Company and the Bank are in compliance with the capital conservation buffer requirement.

35

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

FORWARD-LOOKING STATEMENTS

Cautionary Statements Regarding Forward-Looking Information

Certain statements contained in this Form 10-Q that are not historical facts are forward-looking statements based on management’s current expectations and beliefs concerning future developments and their potential effects on the Company. Such statements involve inherent risks and uncertainties, many of which are difficult to predict and are generally beyond our control. There can be no assurance that future developments affecting us will be the same as those anticipated by management. We caution readers that a number of important factors could cause actual results to differ materially from those expressed in, or implied or projected by, such forward-looking statements. These risks and uncertainties include, but are not limited to, the following: the strength of the United States economy in general and the strength of the local economies in which we conduct operations; the effects of, and changes in, trade, monetary and fiscal policies and laws, including interest rate policies of the Board of Governors of the Federal Reserve System; inflation, interest rate, market and monetary fluctuations; the impact of changes in financial services policies, laws and regulations; technological changes; mergers and acquisitions (including costs or difficulties related to integration of acquired companies); changes in the level of our nonperforming assets and charge-offs; any deterioration in values of California real estate, both residential and commercial; the effect of changes in accounting standards and practices; possible other-than-temporary impairment of securities held by us; changes in consumer spending, borrowing and savings habits; our ability to attract deposits and other sources of liquidity; changes in the financial performance and/or condition of our borrowers; the impact of competition from other financial service providers; the possibility that any of the anticipated benefits of our recent merger with FNB Bancorp (“FNBB”) will not be realized or will not be realized within the expected time period, or that integration of FNBB’s operations will be more costly or difficult than expected; the challenges of integrating and retaining key employees; unanticipated regulatory or judicial proceedings; the costs and effects of litigation and of unexpected or adverse outcomes in such litigation; and our ability to manage the risks involved in the foregoing. Additional factors that could cause results to differ materially from those described above can be found in in Part II Item 1A of this report and our Annual Report on Form 10-K for the year ended December 31, 2018, which is on file with the Securities and Exchange Commission (the “SEC”) and available in the “Investor Relations” section of our website, https://www.tcbk.com/investor-relations and in other documents we file with the SEC.

General

As TriCo Bancshares (referred to in this report as “we”, “our” or the “Company”) has not commenced any business operations independent of Tri Counties Bank (the “Bank”), the following discussion pertains primarily to the Bank. Average balances, including such balances used in calculating certain financial ratios, are generally comprised of average daily balances for the Company. Within Management’s Discussion and Analysis of Financial Condition and Results of Operations, interest income, net interest income, net interest yield, and efficiency ratio are generally presented on a fully tax-equivalent (“FTE”) basis. The Company believes the use of these non-generally accepted accounting principles (non-GAAP) measures provides additional clarity in assessing its results, and the presentation of these measures on a FTE basis is a common practice within the banking industry. Interest income and net interest income are shown on a non-FTE basis in the Part I – Financial Information section of this Form 10-Q, and a reconciliation of the FTE and non-FTE presentations is provided below in the discussion of net interest income.

Critical Accounting Policies and Estimates

The Company’s discussion and analysis of its financial condition and results of operations are based upon the Company’s consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these financial statements requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. On an on-going basis, the Company evaluates its estimates, including those that materially affect the financial statements and are related to the adequacy of the allowance for loan losses, investments, mortgage servicing rights, fair value measurements, retirement plans and intangible assets. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. A detailed discussion related to the Company’s accounting policies including those related to estimates on the allowance for loan losses, other than temporary impairment of investments and impairment of intangible assets, can be found in Note 1 of the financial statements included in the Company’s annual report of Form 10-K for the year ended December 31, 2018.

Geographical Descriptions

For the purpose of describing the geographical location of the Company’s operations, the Company has defined northern California as that area of California north of, and including, Stockton to the east and San Jose to the west; central California as that area of the state south of Stockton and San Jose, to and including, Bakersfield to the east and San Luis Obispo to the west; and southern California as that area of the state south of Bakersfield and San Luis Obispo.

36

Financial Highlights

Performance highlights and other developments for the Company included the following:

• Return on average assets was 1.41% and the return on average equity was 10.78% for the first quarter of 2019.

• As of March 31, 2019, the Company reached record levels of total loans, total assets and total deposits which were $4.03 billion, $6.47 billion and $5.43 billion, respectively.

• The loan to deposit ratio remained stable at 74.3% at March 31, 2019 as compared to 75.0% at December 31, 2018 and 75.2% at March 31, 2018.

• Net interest margin grew 32 basis points to 4.46% on a tax equivalent basis as compared to 4.14% in the quarter ended March 31, 2018 and decreased by 7 basis points from the trailing quarter.

• Non-interest bearing deposits as a percentage of total deposits were 32.4% at March 31, 2019, as compared to 32.8% at December 31, 2018 and 33.3% at March 31, 2018.

• The average rate of interest paid on deposits, including noninterest-bearing deposits, remained low at 0.20%, with no change from the trailing quarter and an increase of 9 basis points from the average rate paid during the same quarter of the prior year.

• Non-performing assets to total assets were 0.34% as of March 31, 2019 as compared to 0.47% and 0.54% at December 31, 2018 and March 31, 2018, respectively.

• The balance of nonperforming loans decreased by $7.9 million and recoveries on previously charged-off loans significantly contributed to the $1.6 million reversal of the allowance for loan losses during the period.

• The efficiency ratio increased slightly to 60.1% as compared to the trailing quarter, which had an efficiency ratio of 59.1%.

TRICO BANCSHARES

Financial Summary

(In thousands, except per share amounts; unaudited)

	Three months ended
	March 31,			March 31,
	2019			2018
Net interest income	$	63,870		$	44,986
Benefit from reversal of provision for loan losses		1,600			236
Noninterest income		11,864			12,290
Noninterest expense		(45,513	)		(38,162	)
Provision for income taxes		(9,095	)		(5,440	)
Net income	$	22,726		$	13,910
Per share:
Basic Earnings per share	$	0.75		$	0.61
Diluted earnings per share	$	0.74		$	0.60
Dividends paid	$	0.19		$	0.17
Book value at period end	$	28.04		$	22.01
Average common shares outstanding		30,424,184			22,956,239
Average diluted common shares outstanding		30,657,833			23,283,127
Shares outstanding at period end		30,432,419			22,956,323
At period end:
Loans, net	$	4,002,267		$	3,039,760
Total investment securities		1,547,442			1,234,820
Total assets		6,471,852			4,779,957
Total deposits		5,430,262			4,084,404
Other borrowings		12,466			65,041
Junior subordinated debt		57,085			56,905
Shareholders’ equity		853,278			505,256
Financial Ratios:
During the period (annualized):
Return on average assets		1.41	%		1.17	%
Return on average equity		10.78	%		11.00	%
Net interest margin1		4.46	%		4.14	%
Efficiency ratio		60.10	%		66.63	%
At period end:
Equity to assets		13.18	%		10.57	%
Total capital to risk-adjusted assets		14.73	%		13.91	%

¹ Fully taxable equivalent (FTE)

37

Results of Operations

Overview

The following discussion and analysis is designed to provide a better understanding of the significant changes and trends related to the Company and the Bank’s financial condition, operating results, asset and liability management, liquidity and capital resources and should be read in conjunction with the Condensed Consolidated Financial Statements of the Company and the Notes thereto located at Item 1 of this report.

	Three months ended
	March 31,
	2019			2018
Net interest income (FTE)	$	64,192		$	45,298
Benefit from reversal of provision for loan losses		1,600			236
Noninterest income		11,864			12,290
Noninterest expense		(45,513	)		(38,162	)
Provision for income taxes (FTE)		(9,417	)		(5,752	)
Net income	$	22,726		$	13,910

The Company reported net income of $22,726,000 for the quarter ended March 31, 2019, compared to $23,211,000 and $13,910,000 for the trailing quarter and the three months ended March 31, 2018, respectively. Diluted earnings per share were $0.74 for the quarter ended March 31, 2019, compared to $0.76 and $0.60 for the trailing quarter and three months ended March 31, 2018.

Net Interest Income

The Company’s primary source of revenue is net interest income, or the difference between interest income on interest-earning assets and interest expense on interest-bearing liabilities. Following is a summary of the components of FTE net income for the periods indicated (dollars in thousands):

	Three months ended
	March 31,
	2019			2018
Interest income	$	67,457		$	47,121
Interest expense		(3,587	)		(2,135	)
FTE adjustment		322			312
Net interest income (FTE)	$	64,192		$	45,298
Net interest margin (FTE)		4.46	%		4.14	%
Acquired loans discount accretion, net:
Amount (included in interest income)	$	1,655		$	632
Effect on average loan yield		0.17	%		0.09	%
Effect on net interest margin (FTE)		0.12	%		0.06	%

Loans may be acquired at a premium or discount to par value, in which case, the premium is amortized (subtracted from) or accreted (added to) interest income over the remaining life of the loan. Generally, as time goes on, the effects of loan discount accretion and loan premium amortization decrease as the purchased loans mature or pay off early. Upon the early pay off of a loan, any remaining (unaccreted) discount or (unamortized) premium is immediately taken into interest income; and as loan payoffs may vary significantly from quarter to quarter, so may the impact of discount accretion and premium amortization on interest income. During the three months ended March 31, 2019, December 31, 2018 and March 31, 2018, purchased loan discount accretion was $1,655,000, $1,982,000, and $632,000, respectively. During the three months ended March 31, 2019, loans purchased at net premiums several years ago were repaid prior to expected maturity resulting in approximately $259,000 of accelerated amortization.

38

Summary of Average Balances, Yields/Rates and Interest Differential

The following table presents, for the periods indicated, information regarding the Company’s consolidated average assets, liabilities and shareholders’ equity, the amounts of interest income from average interest-earning assets and resulting yields, and the amount of interest expense paid on interest-bearing liabilities. Average loan balances include nonperforming loans. Interest income includes proceeds from loans on nonaccrual loans only to the extent cash payments have been received and applied to interest income. Yields on securities and certain loans have been adjusted upward to reflect the effect of income thereon exempt from federal income taxation at the current statutory tax rate (dollars in thousands).

	For the three months ended
	March 31, 2019							March 31, 2018
			Interest		Rates					Interest		Rates
	Average		Income/		Earned			Average		Income/		Earned
	Balance		Expense		/Paid			Balance		Expense		/Paid
Assets:
Loans	$	4,023,864	$	54,398		5.41	%	$	3,028,178	$	38,049		5.03	%
Investment securities - taxable		1,425,352		10,915		3.06	%		1,125,394		7,658		2.72	%
Investment securities - nontaxable (1)		142,232		1,395		3.92	%		136,160		1,353		3.97	%
Total investments		1,567,584		12,310		3.14	%		1,261,554		9,011		2.86	%
Cash at Federal Reserve and other banks		168,518		1,071		2.54	%		90,864		373		1.64	%
Total interest-earning assets		5,759,966		67,779		4.71	%		4,380,596		47,433		4.33	%
Other assets		666,261							360,631
Total assets	$	6,426,227						$	4,741,227
Liabilities and shareholders’ equity:
Interest-bearing demand deposits	$	1,279,639	$	287		0.09	%	$	994,206	$	211		0.08	%
Savings deposits		1,926,339		1,133		0.24	%		1,371,377		411		0.12	%
Time deposits		441,778		1,299		1.18	%		306,514		474		0.62	%
Total interest-bearing deposits		3,647,756		2,719		0.30	%		2,672,097		1,096		0.16	%
Other borrowings		15,509		13		0.34	%		107,781		342		1.27	%
Junior subordinated debt		56,950		855		6.01	%		56,882		697		4.90	%
Total interest-bearing liabilities		3,720,215		3,587		0.39	%		2,836,760		2,135		0.30	%
Noninterest-bearing deposits		1,745,432							1,332,235
Other liabilities		117,490							66,219
Shareholders’ equity		843,090							506,013
Total liabilities and shareholders’ equity	$	6,426,227						$	4,741,227
Net interest spread(2)						4.32	%						4.03	%
Net interest income and interest margin(3)			$	64,192		4.46	%			$	45,298		4.14	%

⁽¹⁾  Fully taxable equivalent (FTE)

⁽²⁾  Net interest spread represents the average yield earned on interest-earning assets minus the average rate paid on interest-bearing liabilities.

⁽³⁾  Net interest margin is computed by calculating the difference between interest income and interest expense, divided by the average balance of interest-earning assets.

In general, the change in average balances of assets and liabilities were significantly impacted by the July 6, 2018 acquisition of FNB Bancorp. For financial reporting purposes, the Company does not separately track the changes in assets and liabilities based on branch location or regional geography. However, management believes that the assets and liabilities acquired in the acquisition provide a reasonable approximation of those balances as of March 31, 2019. In addition to the balance sheet changes which resulted from the acquisition of FNB Bancorp, total assets grew by $228,695,000 (4.8%) between March 2018 and March 2019. This growth was led by $129,915,000 (4.2%) of organic loan growth which was funded by $353,923,000 (8.7%) in organic deposit growth. The following is a comparison of the year over year change in certain assets and liabilities:

($’s in thousands)	As of March 31,						Acquired		Organic			Organic
Ending balances	2019		2018		$ Change		Balances		$ Change			% Change
Total assets	$	6,471,852	$	4,779,957	$	1,691,895	$	1,463,200	$	228,695			4.8	%
Total loans		4,034,331		3,069,733		964,598		834,683		129,915			4.2	%
Total investments		1,564,692		1,251,776		312,916		335,667		(22,751	)		(1.8	%)
Total deposits	$	5,430,262	$	4,084,404	$	1,345,858	$	991,935	$	353,923			8.7	%

39

Summary of Changes in Interest Income and Expense due to Changes in Average Asset and Liability Balances and Yields Earned and Rates Paid

The following table sets forth a summary of the changes in interest income and interest expense from changes in average asset and liability balances (volume) and changes in average interest rates for the periods indicated. Changes not solely attributable to volume or rates have been allocated in proportion to the respective volume and rate components (in thousands).

	Three months ended March 31, 2019
	compared with three months
	ended March 31, 2018
	Volume			Rate			Total
Increase in interest income:
Loans	$	12,521		$	3,828		$	16,349
Investment securities (1)		2,100			1,199			3,299
Cash at Federal Reserve and other banks		318			380			698
Total interest-earning assets		14,939			5,407			20,346
Increase (decrease) in interest expense:
Interest-bearing demand deposits		57			19			76
Savings deposits		165			557			722
Time deposits		209			616			825
Other borrowings		(293	)		(36	)		(329	)
Junior subordinated debt		1			157			158
Total interest-bearing liabilities		139			1,313			1,452
Increase in net interest income	$	14,800		$	4,094		$	18,894

⁽¹⁾ Fully taxable equivalent (FTE)     

The following commentary regarding net interest income, interest income and interest expense may be best understood while referencing the Summary of Average Balances, Yields/Rates and Interest Differential and the Summary of Changes in Interest Income and Expense due to Changes in Average Asset and Liability Balances and Yields Earned and Rates Paid shown above.

Net interest income (FTE) during the three months ended March 31, 2019 increased $18,894,000 or 41.7% to $64,192,000 compared to $45,298,000 during the three months ended March 31, 2018. The increase in net interest income (FTE) was due primarily to an increase in the average balance of loans, which contributed an additional $12,521,000 in interest income. As discussed above, increases in average balances were primarily the result of the FNB Bancorp acquisition. Increases in market rates added $4,094,000 to net interest income, due to increases in rates earned on interest-earnings assets outpacing increases paid in interest-bearing liabilities.

The index utilized in a significant portion of the Company’s variable rate loans, Wall Street Journal Prime, has increased by 1.50% to 5.50% at March 31, 2019 as compared to 4.00% at March 31, 2018.    As compared to the same quarter in the prior year, average loan yields increased 38 basis points from 5.03% during the three months ended March 31, 2018 to 5.41% during the three months ended March 31, 2019. Of the 38 basis point increase in yields on loans, 30 basis points was attributable to increases in market rates while 8 basis points was from increased accretion of purchased loans.

As of March 31, 2019, the Bank’s $4,085,452,000 principal balance of loans, net of charge-offs, and not including deferred loan fees and purchase discounts, was made up of loans with principal balances totaling $1,391,682,000 that have fixed interest rates, and $2,693,770,000 of loans with interest rates that are variable. Included in the balance of variable rate loans as of March 31, 2019 were loans with principal balances of approximately $916,044,000 that had adjustable interest rates tied to the prime lending rate that adjust on or near the date of any prime rate change.

The organic growth in deposits was driven primarily by normal and expected seasonal trends as well as the impact of deposit customer’s receipt of insurance proceeds from the property and casualty losses incurred in connection with the wildfires in Northern California. This growth in deposits allowed for the repayment of overnight borrowings resulting in a reduction in interest expense of $329,000 which was partially offset by the changes in volumes and rates associated with deposit products. During the twelve months ended March 31, 2019, the Federal Funds Target Rate was increased four times in 25 basis point increments from 1.50% to 2.50%. During this same period, the Company’s cost of interest-bearing deposits increased from 16 basis points to 30 basis points.

40

Asset Quality and Loan Loss Provisioning

The Company continued to experience improvement in the overall credit quality of its loan portfolio. At March 31, 2019, total nonperforming loans decreased to $19,565,000 or 0.48% of total loans from $27,494,000 or 0.68% of total loans as of December 31, 2018.

The Company recorded a benefit from the reversal of provision for loan losses of $1,600,000 during the three months ended March 31, 2019 as compared to a benefit from the reversal of provision of $236,000 in the same quarter of the prior year. The benefit from the reversal of the provision was necessitated in part by $1,082,000 in net recoveries on previously charged-off loans during the first quarter of 2019 as compared to net charge-offs of $114,000 in the first quarter of 2018. Additionally, while the Company remains cautious about the risks associated with trends in California real estate prices and the affordability of housing in the markets served by the Company, changes in home affordability and energy related index rates improved during the quarter ended March 31, 2019. The qualitative factors associated with these two measures reduced the level of calculated required reserves by approximately $1,059,000.

Noninterest Income

The following table summarizes the Company’s noninterest income for the periods indicated (in thousands):

	Three months ended March 31,
(dollars in thousands)	2019			2018			$ Change			% Change
ATM and interchange fees	$	4,581		$	4,235		$	346			8.2	%
Service charges on deposit accounts		3,880			3,779			101			2.7	%
Other service fees		771			714			57			8.0	%
Mortgage banking service fees		483			517			(34	)		(6.6	%)
Change in value of mortgage servicing rights		(645	)		111			(756	)		(681.1	%)
Total service charges and fees		9,070			9,356			(286	)		(3.1	%)
Increase in cash value of life insurance		775			608			167			27.5	%
Asset management and commission income		642			876			(234	)		(26.7	%)
Gain on sale of loans		412			626			(214	)		(34.2	%)
Lease brokerage income		220			128			92			71.9	%
Sale of customer checks		140			101			39			38.6	%
Gain on sale of foreclosed assets		99			371			(272	)		(73.3	%)
Gain (loss) on marketable equity securities		36			(48	)		84			(175.0	%)
Loss on disposal of fixed assets		(38	)		(13	)		(25	)		192.3	%
Other		508			285			223			78.2	%
Total other noninterest income		2,794			2,934			(140	)		(4.8	%)
Total noninterest income	$	11,864		$	12,290		$	(426	)		(3.5	%)

Noninterest income decreased $426,000 (3.5%) to $11,864,000 during the three months ended March 31, 2019 compared to the three months ended March 31, 2018. The decrease in noninterest income was due primarily to a $756,000 (681.1%) decrease in the fair value of mortgage servicing rights, $234,000 (26.7%) decrease in asset management and commission income, $214,000 (34.2%) decrease in gain on sale of loans, and a $272,000 (73.3%) decrease on the gain on sale of foreclosed assets. Offsetting the decreases in non-interest income was an increase in ATM and interchange fees of $346,000 (8.2%), an increase in service charges on deposit accounts of $101,000 (2.7%), and an increase in the cash value of life insurance of $167,000 (27.5%). The fair value of the mortgage servicing asset decreased as compared to the first quarter in the prior year due to changes in the assumptions utilized in determining the fair value. Specifically, increased prepayment speeds and decreases in the 15 and 30 year mortgage rates were the largest contributors to the decline in fair value of the mortgage servicing asset.

41

Noninterest Expense

The following table summarizes the Company’s noninterest expense for the periods indicated (dollars in thousands):

	Three months ended March 31,
	2019		2018		$ Change			% Change
Base salaries, net of deferred loan origination costs	$	16,757	$	13,962	$	2,795			20.0	%
Incentive compensation		2,567		2,452		115			4.7	%
Benefits and other compensation costs		5,804		5,238		566			10.8	%
Total salaries and benefits expense		25,128		21,652		3,476			16.1	%
Occupancy		3,774		2,681		1,093			40.8	%
Data processing and software		3,349		2,514		835			33.2	%
Equipment		1,867		1,551		316			20.4	%
Intangible amortization		1,431		339		1,092			322.1	%
Advertising		1,331		838		493			58.8	%
ATM and POS network charges		1,323		1,226		97			7.9	%
Professional fees		839		773		66			8.6	%
Telecommunications		797		701		96			13.7	%
Regulatory assessments and insurance		511		430		81			18.8	%
Merger and acquisition expense		—		476		(476	)		(100.0	%)
Postage		310		358		(48	)		(13.4	%)
Operational losses		225		294		(69	)		(23.5	%)
Courier service		270		267		3			1.1	%
Other miscellaneous expense		4,358		4,062		296			7.3	%
Total other noninterest expense		20,385		16,510		3,875			23.5	%
Total noninterest expense	$	45,513	$	38,162	$	7,351			19.3	%
Average full time equivalent staff		1,138		1,002		136			13.6	%

Salary and benefit expenses increased $3,476,000 (16.1%) to $25,128,000 during the three months ended March 31, 2019 compared to $21,652,000 during the three months ended March 31, 2018. Base salaries, net of deferred loan origination costs increased $2,795,000 (20.0%) to $16,757,000. The increase in base salaries was due primarily to a 13.6% increase in average full time equivalent employees to 1,138 from 1,002 in the year-ago quarter. Commissions and incentive compensation increased $115,000 (4.7%) to $2,567,000 during the three months ended March 31, 2019 compared to the year-ago quarter due primarily to organic loan and deposit growth. Benefits & other compensation expense increased $566,000 (10.8%) to $5,804,000 during the three months ended March 31, 2019 due primarily to increases in the average full time equivalent employees, as mentioned above.

Other noninterest expense increased $3,875,000 (23.5%) to $20,385,000 during the three months ended March 31, 2019 compared to the three months ended March 31, 2018. The increase in other noninterest expense was due primarily to increased overhead operating costs related to the additional branches as a result of the prior year acquisition of FNB Bancorp. Highlighting those increases were intangible amortization, occupancy, data processing and software, and advertising expenses, which increased by $1,092,000, $1,093,000, $835,000 and $493,000, respectively, as compared to the prior year quarter. The increases in noninterest expenses were partially offset by decreased merger & acquisition expenses of $476,000.

Income Taxes

The Company’s effective tax rate was 28.6% for the quarter ended March 31, 2019 as compared to 28.1% for the same quarter in the prior year. As previously reported, the Company’s effective tax rate was 24.0% for the quarter ended December 31, 2018 which was benefited by certain tax method elections. Absent the benefits made possible through these elections, the Company’s effective tax rate would have been 27.5% for the quarter ended December 31, 2018.

42

Financial Condition

Investment Securities

Investment securities available for sale decreased $1,520,000 to $1,113,516,000 as of March 31, 2019, compared to December 31, 2018. This decrease is attributable to maturities and principal repayments of $15,133,000 and amortization of net purchase price premiums of $335,000, which was offset by an increase in fair value of debt securities available for sale of $12,710,000. There were no sales or transfers of available-for-sale investment securities during the three month periods ended March 31, 2019 and 2018.

The following table presents the available for sale debt securities portfolio by major type as of March 31, 2019 and December 31, 2018:

(dollars in thousands)	March 31, 2019					December 31, 2018
	Fair Value		%			Fair Value		%
Debt securities available for sale:
Obligations of U.S. government agencies	$	627,100		56.3	%	$	629,981		56.5	%
Obligations of states and political subdivisions		129,349		11.6	%		126,072		11.3	%
Corporate bonds		4,478		0.4	%		4,478		0.4	%
Asset backed securities		352,589		31.7	%		354,505		31.8	%
Total debt securities available for sale	$	1,113,516		100.0	%	$	1,115,036		100.0	%

Investment securities held to maturity decreased $13,920,000 to $431,016,000 as of March 31, 2019, as compared to December 31, 2018. This decrease is attributable to principal repayments of $13,684,000, and amortization of net purchase price premiums of $236,000.

The following table presents the held to maturity investment securities portfolio by major type as of March 31, 2019 and December 31, 2018:

(dollars in thousands)	March 31, 2019					December 31, 2018
	Cost Basis		%			Cost Basis		%
Debt securities held to maturity:
Obligations of U.S. government and agencies	$	416,418		96.6	%	$	430,343		96.7	%
Obligations of states and political subdivisions		14,598		3.4	%		14,593		3.3	%
Total debt securities held to maturity	$	431,016		100	%	$	444,936		100.0	%

Loans

The Company concentrates its lending activities in four principal areas: real estate mortgage loans (residential and commercial loans), consumer loans, commercial loans (including agricultural loans), and real estate construction loans. The interest rates charged for the loans made by the Company vary with the degree of risk, the size and maturity of the loans, the borrower’s relationship with the Company and prevailing money market rates indicative of the Company’s cost of funds.

The majority of the Company’s loans are direct loans made to individuals, farmers and local businesses. The Company relies substantially on local promotional activity and personal contacts by bank officers, directors and employees to compete with other financial institutions. The Company makes loans to borrowers whose applications include a sound purpose, a viable repayment source and a plan of repayment established at inception and generally backed by a secondary source of repayment.

The following table shows the Company’s loan balances, net deferred loan costs and discounts, as of the dates indicated:

(dollars in thousands)	March 31, 2019				December 31, 2018
Real estate mortgage	$	3,129,339	77.6	%	$	3,143,100	78.1	%
Consumer		418,352	10.4	%		418,982	10.4	%
Commercial		269,163	6.6	%		276,548	6.9	%
Real estate construction		217,477	5.4	%		183,384	4.6	%
Total loans	$	4,034,331	100	%	$	4,022,014	100	%

At March 31, 2019 loans, including net deferred loan costs and discounts, totaled $4,034,331,000 which was a $12,317,000 (0.3%) increase over the balances at December 31, 2018.

43

Asset Quality and Nonperforming Assets

Nonperforming Assets

The following tables set forth the amount of the Company’s nonperforming assets as of the dates indicated. “Performing nonaccrual loans” are loans that may be current for both principal and interest payments, or are less than 90 days past due, but for which payment in full of both principal and interest is not expected, and are not well secured and in the process of collection:

(dollars in thousands)	March 31, 2019			December 31, 2018
Performing nonaccrual loans	$	14,567		$	22,689
Nonperforming nonaccrual loans		4,958			4,805
Total nonaccrual loans		19,525			27,494
Loans 90 days past due and still accruing		40			—
Total nonperforming loans		19,565			27,494
Foreclosed assets		2,315			2,280
Total nonperforming assets	$	21,880		$	29,774
Nonperforming assets to total assets		0.34	%		0.47	%
Nonperforming loans to total loans		0.48	%		0.68	%
Allowance for loan losses to nonperforming loans		164	%		119	%
Allowance for loan losses, unamortized loan fees, and discounts to loan principal balances owed		2.04	%		2.11	%

	March 31, 2019
(dollars in thousands)	Originated			PNCI			PCI			Total
Performing nonaccrual loans	$	10,341		$	1,443		$	2,783		$	14,567
Nonperforming nonaccrual loans		3,355			1,183			420			4,958
Total nonaccrual loans		13,696			2,626			3,203			19,525
Loans 90 days past due and still accruing		40			—			—			40
Total nonperforming loans		13,736			2,626			3,203			19,565
Foreclosed assets		1,525			—			790			2,315
Total nonperforming assets	$	15,261		$	2,626		$	3,993		$	21,880
U.S. government, including its agencies and its government-sponsored agencies, guaranteed portion of nonperforming loans	$	778		$	—		$	320		$	1,098
Nonperforming assets to total assets		0.24	%		0.04	%		0.06	%		0.34	%
Nonperforming loans to total loans		0.33	%		0.07	%		0.08	%		0.48	%
Allowance for loan losses to nonperforming loans		226	%		37	%		0.22	%		164	%
Allowance for loan losses, unamortized loan fees, and discounts to loan principal balances owed		1.32	%		3.58	%		36.23	%		2.04	%

	December 31, 2018
(dollars in thousands)	Originated			PNCI			PCI			Total
Performing nonaccrual loans	$	16,573		$	1,269		$	4,847		$	22,689
Nonperforming nonaccrual loans		2,843			1,589			373			4,805
Total nonaccrual loans		19,416			2,858			5,220			27,494
Loans 90 days past due and still accruing		—			—			—			—
Total nonperforming loans		19,416			2,858			5,220			27,494
Foreclosed assets		1,490			—			790			2,280
Total nonperforming assets	$	20,906		$	2,858		$	6,010		$	29,774
U.S. government, including its agencies and its government-sponsored agencies, guaranteed portion of nonperforming loans	$	800		$	—		$	—		$	800
Nonperforming assets to total assets		0.33	%		0.04	%		0.09	%		0.47	%
Nonperforming loans to total loans		0.48	%		0.07	%		0.13	%		0.68	%
Allowance for loan losses to nonperforming loans		164	%		23.3	%		2.34	%		119	%
Allowance for loan losses, unamortized loan fees, and discounts to loan principal balances owed		1.39	%		3.48	%		33.69	%		2.11	%

44

Changes in nonperforming assets during the three months ended March 31, 2019

(in thousands):	Balance at March 31, 2019		New NPA / Valuation Adjustments		Pay-downs /Sales /Upgrades			Charge-offs/ Write-downs			Transfers to Foreclosed Assets			Balance at December 31, 2018
Real estate mortgage:
Residential	$	2,668	$	—	$	(70	)	$	—		$	(116	)	$	2,854
Commercial		8,306		267		(7,007	)		—			—			15,046
Consumer
Home equity lines		2,434		24		(339	)		—			—			2,749
Home equity loans		2,587		32		(408	)		—			—			2,963
Other consumer		70		64		(1	)		—			—			7
Commercial		3,500		273		(159	)		(489	)		—			3,875
Construction:
Residential		—		—		—			—			—			—
Commercial		—		—		—			—			—			—
Total nonperforming loans		19,565		660		(7,984	)		(489	)		(116	)		27,494
Foreclosed assets		2,315		98		(179	)		—			116			2,280
Total nonperforming assets	$	21,880	$	758	$	(8,163	)	$	(489	)	$	—		$	29,774

The table above does not include deposit overdraft charge-offs.

Nonperforming assets decreased during the first quarter of 2019 by $7,894,000 (26.5%) to $21,880,000 at March 31, 2019 compared to $29,774,000 at December 31, 2018. The decrease in nonperforming assets during the first quarter of 2019 was primarily the result of pay-downs and upgrades of nonperforming loans of $7,984,000, write-downs of $489,000 on nonperforming loans, and sales of foreclosed assets of $179,000, that were partially offset by new nonperforming assets of $660,000 and an increase in the valuation of a foreclosed property at the time of repossession.

The $7,984,000 in reduction of nonperforming loans during the first quarter of 2019 was mainly comprised of decreases within commercial real estate, and included payoffs of three loans to two relationships with a combined balance $6,818,000. The decrease in home equity lines and loans were comprised of decreases of $339,000 from 59 home equity lines of credit and $408,000 from 34 home equity loans.

Loan charge-offs during the three months ended March 31, 2019

In the first quarter of 2019, the Company recorded $614,000 in loan charge-offs and $112,000 in deposit overdraft charge-offs less $1,752,000 in loan recoveries and $56,000 in deposit overdraft recoveries resulting in $1,082,000 of net charge-offs. Primary causes of the loan charges taken in the first quarter of 2019 were gross charge-offs of $94,000 on 16 consumer loans and $520,000 on 5 C&I loans.

Total charge-offs were generally comprised of individual charges of less than $250,000 each. Generally losses are triggered by non-performance by the borrower and calculated based on any difference between the current loan amount and the current value of the underlying collateral less any estimated costs associated with the disposition of the collateral.

45

Allowance for Loan Losses

The Components of the Allowance for Loan Losses

The following table sets forth the allowance for loan losses as of the dates indicated:

(dollars in thousands)	March 31, 2019			December 31, 2018
Allowance for originated and PNCI loan losses:
Environmental factors allowance	$	10,638		$	11,577
Formula allowance		19,669			18,689
Total allowance for originated and PNCI loan losses		30,307			30,266
Allowance for impaired loans		1,750			2,194
Allowance for PCI loan losses		7			122
Total allowance for loan losses	$	32,064		$	32,582
Allowance for loan losses to loans		0.79	%		0.81	%

For additional information regarding the allowance for loan losses, including changes in specific, formula, and environmental factors allowance categories, see “Provision for Loan Losses” at “Results of Operations” and “Allowance for Loan Losses” above. Based on the current conditions of the loan portfolio, management believes that the $32,064,000 allowance for loan losses at March 31, 2019 is adequate to absorb probable losses inherent in the Bank’s loan portfolio. No assurance can be given, however, that adverse economic conditions or other circumstances will not result in increased losses in the portfolio.

The following table summarizes the allocation of the allowance for loan losses between loan types and by percentage of the total allowance for loan losses as of the dates indicated:

(in thousands)	March 31, 2019				December 31, 2018
Real estate mortgage	$	14,830	46.2	%	$	15,620	47.9	%
Consumer		8,341	26.0	%		8,375	25.7	%
Commercial		6,078	19.0	%		6,090	18.7	%
Real estate construction		2,815	8.8	%		2,497	7.7	%
Total allowance for loan losses	$	32,064	100.0	%	$	32,582	100.0	%

The following table summarizes the allocation of the allowance for loan losses as a percentage of the total loans for each loan category as of the dates indicated:

	March 31, 2019				December 31, 2018
Real estate mortgage	$	3,129,339	0.47	%	$	3,143,100	0.50	%
Consumer		418,352	1.99	%		418,982	2.00	%
Commercial		269,163	2.26	%		276,548	2.20	%
Real estate construction		217,477	1.29	%		183,384	1.36	%
Total allowance for loan losses	$	4,034,331	0.79	%	$	4,022,014	0.81	%

46

The following table summarizes the activity in the allowance for loan losses for the periods indicated (dollars in thousands):

	Three months ended March 31,
	2019			2018
Allowance for loan losses:
Balance at beginning of period	$	32,582		$	30,323
Reversal of provision for loan losses		(1,600	)		(236	)
Loans charged off:
Real estate mortgage:
Residential		—			(1	)
Commercial		—			—
Consumer:
Home equity lines		—			(80	)
Home equity loans		—			—
Other consumer		(207	)		(194	)
Commercial		(519	)		(205	)
Construction:
Residential		—			—
Commercial		—			—
Total loans charged off		(726	)		(480	)
Recoveries of previously charged-off loans:
Real estate mortgage:
Residential		2			—
Commercial		1,381			15
Consumer:
Home equity lines		95			209
Home equity loans		87			14
Other consumer		75			78
Commercial		168			50
Construction:
Residential		—			—
Commercial		—			—
Total recoveries of previously charged off loans		1,808			366
Net recoveries (charge-offs)		1,082			(114	)
Balance at end of period	$	32,064		$	29,973
Average total loans	$	4,023,864		$	3,028,178
Ratios (annualized):
Net charge-offs (recoveries) during period to average loans outstanding during period		(0.11	)%		0.02	%
Benefit from reversal of loan losses to average loans outstanding during period		(0.16	)%		(0.03	)%

47

Foreclosed Assets, Net of Allowance for Losses

The following tables detail the components and summarize the activity in foreclosed assets, net of allowances for losses for the period indicated (dollars in thousands):

	Balance at March 31, 2019		Sales			Valuation Adjustments		Transfers from Loans		Balance at December 31, 2018
Land & Construction	$	445	$	—		$	—	$	—	$	445
Residential real estate		1,777		(179	)		98		116		1,742
Commercial real estate		93		—			—		—		93
Total foreclosed assets	$	2,315	$	(179	)	$	98	$	116	$	2,280

Deposits

During the three months ended March 31, 2019, the Company’s deposits increased $63,796,000 to $5,430,262,000. Included in the March 31, 2019 and December 31, 2018 certificate of deposit balances are $50,000,000 and $60,000,000, respectively, from the State of California. The Company participates in a deposit program offered by the State of California whereby the State may make deposits at the Company’s request subject to collateral and creditworthiness constraints. The negotiated rates on these State deposits are generally more favorable than other wholesale funding sources available to the Company.

Off-Balance Sheet Arrangements

See Note 8 to the condensed consolidated financial statements at Item 1 of Part I of this report for information about the Company’s commitments and contingencies including off-balance-sheet arrangements.

Capital Resources

The current and projected capital position of the Company and the impact of capital plans and long-term strategies are reviewed regularly by Management.

The Company adopted and announced a stock repurchase plan on August 21, 2007 for the repurchase of up to 500,000 shares of the Company’s common stock from time to time as market conditions allow. The 500,000 shares authorized for repurchase under this plan represented approximately 3.2% of the Company’s approximately 15,815,000 common shares outstanding as of August 21, 2007. During the three months ended March 31, 2019, the Company did not repurchase any shares under this plan. This plan has no stated expiration date for the repurchases. As of March 31, 2019, the Company had repurchased 196,566 shares under this plan, which left 303,434 shares available for repurchase under the plan. Shares that are repurchased in accordance with the provisions of a Company stock option plan or equity compensation plan are not counted against the number of shares repurchased under the repurchase plan adopted on August 21, 2007.

The Company’s primary capital resource is shareholders’ equity, which was $853,278,000 at March 31, 2019. This amount represents an increase of $25,905,000 (3.1%) from December 31, 2018, the net result of comprehensive income for the period of $31,678,000, the effect of equity compensation vesting of $397,000, and the exercise of stock options of $647,000, that were partially offset by dividends paid of $5,782,000, and repurchase of common stock of $1,035,000. The Company’s ratio of equity to total assets was 13.2% and 13.0% as of March 31, 2019 and December 31, 2018, respectively. We believe that the Company and the Bank were in compliance with applicable minimum capital requirements set forth in the final Basel III Capital rules as of March 31, 2019. The following summarizes the Company’s ratios of capital to risk-adjusted assets as of the dates indicated:

	March 31, 2019						December 31, 2018
	Ratio			Minimum Regulatory Requirement			Ratio			Minimum Regulatory Requirement
Total capital		14.73	%		10.50	%		14.40	%		9.25	%
Tier I capital		14.00	%		8.50	%		13.66	%		7.25	%
Common equity Tier 1 capital		12.83	%		7.00	%		12.49	%		5.75	%
Leverage		10.84	%		4.00	%		10.68	%		4.00	%

See Note 9 and Note 15 to the condensed consolidated financial statements at Item 1 of Part I of this report for additional information about the Company’s capital resources.

48

Liquidity

The Company’s principal source of asset liquidity is cash at the Federal Reserve Bank of San Francisco (“Federal Reserve”) and other banks and marketable investment securities available for sale. At March 31, 2019, cash at Federal Reserve and other banks in excess of reserve requirements and investment securities available for sale totaled $1,314,124,000, or 20.3% of total assets, representing an increase of $90,872,000 from $1,223,252,000, or 19.3% of total assets at December 31, 2018. This increase in cash and securities available for sale is due mainly to deposit growth and excess cash received from the maturity and principal repayment of investment securities that was not deployed for new loan originations during the three months ended March 31, 2019. The Company’s profitability during the first three months of 2019 generated cash flows from operations of $22,055,000 compared to $23,714,000 during the first three months of 2018. Net cash provided by investing activities was $14,867,000 during the three months ended March 31, 2019, compared to net cash used by investing activities of $60,408,000 during the three months ended March 31, 2018. Financing activities provided net cash of $54,253,000 during the three months ended March 31, 2019, compared to net provided by financing activities of $14,245,000 during the three months ended March 31, 2018. Deposit balance increases accounted for $63,796,000 and $75,273,000 of financing sources of funds during the three months ended March 31, 2019 and 2018, respectively. Dividends paid used $5,782,000 and $3,903,000 of cash during the three months ended March 31, 2019 and 2018, respectively. The Company’s liquidity is dependent on dividends received from the Bank. Dividends from the Bank are subject to certain regulatory restrictions.

49

Item 3. Quantitative and Qualitative Disclosures about Market Risk

The Company’s assessment of market risk as of March 31, 2019 indicates there are no material changes in the quantitative and qualitative disclosures from those in our Annual Report on Form 10-K for the year ended December 31, 2018.

Item 4. Controls and Procedures

The Company’s management, including its Chief Executive Officer and Chief Financial Officer, have evaluated the effectiveness of the Company’s disclosure controls and procedures as of March 31, 2019. Disclosure controls and procedures, as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), are controls and procedures designed to reasonably assure that information required to be disclosed in the Company’s reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported on a timely basis. Disclosure controls are also designed to reasonably assure that such information is accumulated and communicated to the Company’s management, including the Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure. Based upon their evaluation, our Chief Executive Officer and Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective as of March 31, 2019.

During the three months ended March 31, 2019, there were no changes in our internal controls or in other factors that have materially affected or are reasonably likely to materially affect our internal controls over financial reporting.

PART II – OTHER INFORMATION

Item 1 – Legal Proceedings

Due to the nature of our business, we are involved in legal proceedings that arise in the ordinary course of our business. While the outcome of these matters is currently not determinable, we do not expect that the ultimate costs to resolve these matters will have a material adverse effect on our consolidated financial position, results of operations, or cash flows.

Item 1A – Risk Factors

In addition to the other information set forth in this report, you should carefully consider the factors discussed under “Part I—Item 1A—Risk Factors” in our Form 10-K for the year ended December 31, 2018 which are incorporated by reference herein. These factors could materially adversely affect our business, financial condition, liquidity, results of operations and capital position, and could cause our actual results to differ materially from our historical results or the results contemplated by the forward-looking statements contained in this report.

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

The following table shows the repurchases made by the Company or any affiliated purchaser (as defined in Rule 10b-18(a)(3) under the Exchange Act) during the three months ended March 31, 2019:

Period	(a) Total number of shares purchased (1)		(b) Average price paid per share		(c) Total number of shares purchased as of part of publicly announced plans or programs		(d) Maximum number of shares that may yet be purchased under the plans or programs (2)
January 1-31, 2019		45	$	34.08		—		303,434
February 1-28, 2019		3,414	$	37.50		—		303,434
March 1-31, 2019		22,700	$	39.91		—		303,434
Total		26,159	$	39.59		—		303,434

⁽¹⁾  Includes shares purchased by the Company’s Employee Stock Ownership Plan and pursuant to various other equity incentive plans. See Note 9 to the condensed consolidated financial statements at Item 1 of Part I of this report, for a discussion of the Company’s stock repurchased under equity compensation plans.

⁽²⁾  Does not include shares that may be purchased by the Company’s Employee Stock Ownership Plan and pursuant to various other equity incentive plans.

50

Item 6 – Exhibits

EXHIBIT INDEX

Exhibit No.	Exhibit
31.1	Rule 13a-14(a)/15d-14(a) Certification of CEO
31.2	Rule 13a-14(a)/15d-14(a) Certification of CFO
32.1	Section 1350 Certification of CEO
32.2	Section 1350 Certification of CFO
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document

51

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 hereunto duly authorized.

	TRICO BANCSHARES
	(Registrant)
Date: May 9, 2019	/s/ Peter G. Wiese
	Peter G. Wiese
	Executive Vice President and Chief Financial Officer
	(Duly authorized officer and principal financial and chief accounting officer)

52

EX-31.1

Exhibit 31.1

Rule 13a-14(a)/15d-14(a) Certification of CEO

I, Richard P. Smith, certify that;

1. I have reviewed this report on Form 10-Q of TriCo Bancshares;

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 quarterly 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(s) 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 subsidiary, 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(s) 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: May 9, 2019	/s/ Richard P. Smith
	Richard P. Smith
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Rule 13a-14(a)/15d-14(a) Certification of CFO    

I, Peter G. Wiese, certify that;

1. I have reviewed this report on Form 10-Q of TriCo Bancshares;

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 quarterly 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(s) 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 subsidiary, 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(s) 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: May 9, 2019	/s/ Peter G. Wiese
	Peter G. Wiese
	Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

Section 1350 Certification of CEO

In connection with the Quarterly Report of TriCo Bancshares (the “Company”) on Form 10-Q for the period ended March 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Richard P. Smith, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Sectioconsisn 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

/s/ Richard P. Smith

Richard P. Smith

President and Chief Executive Officer

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

EX-32.2

Exhibit 32.2

Section 1350 Certification of CFO

In connection with the Quarterly Report of TriCo Bancshares (the “Company”) on Form 10-Q for the period ended March 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Peter G. Wiese, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

/s/ Peter G. Wiese

Peter G. Wiese

Executive Vice President and Chief Financial Officer

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

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	May 06, 2019
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Entity Registrant Name	TRICO BANCSHARES /
Entity Central Index Key	0000356171
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Trading Symbol	TCBK
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Common Stock, Shares Outstanding		30,451,030

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Assets:
Cash and due from banks	$ 105,103	$ 119,781
Cash at Federal Reserve and other banks	213,605	107,752
Cash and cash equivalents	318,708	227,533
Investment securities:
Marketable equity securities	2,910	2,874
Available for sale debt securities	1,113,516	1,115,036
Held to maturity debt securities	431,016	444,936
Restricted equity securities	17,250	17,250
Loans held for sale	5,410	3,687
Loans	4,034,331	4,022,014
Allowance for loan losses	(32,064)	(32,582)
Total loans, net	4,002,267	3,989,432
Premises and equipment, net	89,275	89,347
Cash value of life insurance	117,841	117,318
Accrued interest receivable	20,431	19,412
Goodwill	220,972	220,972
Other intangible assets, net	27,849	29,280
Operating leases, right-of-use	30,942
Other assets	73,465	75,364
Total assets	6,471,852	6,352,441
Deposits:
Noninterest-bearing demand	1,761,559	1,760,580
Interest-bearing	3,668,703	3,605,886
Total deposits	5,430,262	5,366,466
Accrued interest payable	2,195	1,997
Operating lease liability	30,204
Other liabilities	86,362	83,724
Other borrowings	12,466	15,839
Junior subordinated debt	57,085	57,042
Total liabilities	5,618,574	5,525,068
Commitments and contingencies (Note 8)
Shareholders' equity:
Preferred stock, no par value: 1,000,000 shares authorized, zero issued and outstanding at March 31, 2019 and December 31, 2018	0
Common stock, no par value: 50,000,000 shares authorized; 30,432,419 and 30,417,223 issued and outstanding at March 31, 2019 and December 31, 2018, respectively	542,340	541,762
Retained earnings	319,865	303,490
Accumulated other comprehensive loss, net of tax	(8,927)	(17,879)
Total shareholders' equity	853,278	827,373
Total liabilities and shareholders' equity	$ 6,471,852	$ 6,352,441

XML

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Preferred stock, no par value	$ 0	$ 0
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	30,432,419	30,417,223
Common stock, shares outstanding	30,432,419	30,417,223

XML

Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest and dividend income:
Loans, including fees	$ 54,398	$ 38,049
Investments:
Taxable securities	10,555	7,322
Tax exempt securities	1,073	1,041
Dividends	360	336
Interest bearing cash at Federal Reserve and other banks	1,071	373
Total interest and dividend income	67,457	47,121
Interest expense:
Deposits	2,719	1,096
Other borrowings	13	342
Junior subordinated debt	855	697
Total interest expense	3,587	2,135
Net interest income	63,870	44,986
Benefit from reversal of provision for loan losses	(1,600)	(236)
Net interest income after benefit from reversal of provision for loan losses	65,470	45,222
Noninterest income:
Service charges and fees	9,070	9,356
Gain on sale of loans	412	626
Asset management and commission income	642	876
Increase in cash value of life insurance	775	608
Other	965	824
Total noninterest income	11,864	12,290
Noninterest expense:
Salaries and related benefits	25,128	21,652
Other	20,385	16,510
Total noninterest expense	45,513	38,162
Income before provision for income taxes	31,821	19,350
Provision for income taxes	9,095	5,440
Net income	$ 22,726	$ 13,910
Earnings per share:
Basic	$ 0.75	$ 0.61
Diluted	$ 0.74	$ 0.60

XML

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 22,726	$ 13,910
Other comprehensive income (loss), net of tax:
Unrealized gains (losses) on available for sale securities arising during the period	8,952	(11,026)
Change in minimum pension liability		80
Other comprehensive income (loss)	8,952	(10,946)
Comprehensive income	$ 31,678	$ 2,964

XML

Condensed Consolidated Statements of Changes In Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2017	$ 505,808	$ 255,836	$ 255,200	$ (5,228)
Beginning balance, shares at Dec. 31, 2017		22,955,963
Net income	13,910		13,910
Adoption ASU | ASU 2016-01 [Member]			(62)	62
Adoption ASU | ASU 2018-02 [Member]			1,093	(1,093)
Other comprehensive income (loss)	(10,946)			(10,946)
Stock option vesting	37	$ 37
RSU vesting	238	238
PSU vesting, value	116	$ 116
RSUs released, shares		494
Repurchase of common stock, value	(4)	$ (1)	(3)
Repurchase of common stock, shares		(134)
Dividends paid	(3,903)		(3,903)
Ending balance at Mar. 31, 2018	505,256	$ 256,226	266,235	(17,205)
Ending balance, shares at Mar. 31, 2018		22,956,323
Beginning balance at Dec. 31, 2018	$ 827,373	$ 541,762	303,490	(17,879)
Beginning balance, shares at Dec. 31, 2018	30,417,223	30,417,223
Net income	$ 22,726		22,726
Other comprehensive income (loss)	8,952			8,952
Stock options exercised	$ 647	$ 647
Stock options exercised, shares	41,000	41,000
RSU vesting	$ 278	$ 278
PSU vesting, value	119	$ 119
RSUs released, shares		355
Repurchase of common stock, value	(1,035)	$ (466)	(569)
Repurchase of common stock, shares		(26,159)
Dividends paid	(5,782)		(5,782)
Ending balance at Mar. 31, 2019	$ 853,278	$ 542,340	$ 319,865	$ (8,927)
Ending balance, shares at Mar. 31, 2019	30,432,419	30,432,419

XML

Condensed Consolidated Statements of Changes In Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Retained Earnings [Member]
Dividends paid, per share	$ 0.19	$ 0.17

XML

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating activities:
Net income	$ 22,726	$ 13,910
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of premises and equipment, and amortization	1,838	1,613
Amortization of intangible assets	1,431	339
Reversal of provision for loan losses	(1,600)	(236)
Amortization of investment securities premium, net	571	700
Originations of loans for resale	(18,119)	(20,332)
Proceeds from sale of loans originated for resale	16,689	23,270
Gain on sale of loans	(412)	(626)
Change in market value of mortgage servicing rights	645	(111)
Provision for losses on foreclosed assets	0	90
Gain on transfer of loans to foreclosed assets	(98)
Gain on sale of foreclosed assets	(99)	(371)
Loss on disposal of fixed assets	38	13
Increase in cash value of life insurance	(775)	(608)
Gain on life insurance death benefit	(32)
(Gain) loss on marketable equity securities	(36)	48
Equity compensation vesting expense	397	391
Change in:
Interest receivable	(1,019)	1,365
Interest payable	198	28
Other assets and liabilities, net	(288)	4,231
Net cash from operating activities	22,055	23,714
Investing activities:
Proceeds from maturities of securities available for sale	15,133	15,643
Proceeds from maturities of securities held to maturity	13,684	18,535
Purchases of securities available for sale	(1,238)	(39,647)
Loan origination and principal collections, net	(11,351)	(54,682)
Proceeds from sale of other real estate owned	278	1,943
Proceeds from sale of premises and equipment	11
Purchases of premises and equipment	(1,650)	(2,200)
Net cash from investing activities	14,867	(60,408)
Financing activities:
Net increase in deposits	63,796	75,273
Net change in other borrowings	(3,373)	(57,125)
Repurchase of common stock, net	(388)
Dividends paid	(5,782)	(3,903)
Net cash used by financing activities	54,253	14,245
Net change in cash and cash equivalents	91,175	(22,449)
Cash and cash equivalents and beginning of year	227,533	205,428
Cash and cash equivalents at end of year	318,708	182,979
Supplemental disclosure of noncash activities:
Unrealized gain (loss) on securities available for sale	12,710	(15,628)
Loans transferred to foreclosed assets	116
Market value of shares tendered in-lieu of cash to pay for exercise of options and/or related taxes	647	4
Supplemental disclosure of cash flow activity:
Cash paid for interest expense	3,389	2,107
Cash paid for income taxes	$ 0

XML

Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Note 1 –Summary of Significant Accounting Policies

Description of Business and Basis of Presentation

TriCo Bancshares (the “Company” or “we”) is a California corporation organized to act as a bank holding company for Tri Counties Bank (the “Bank”). The Company and the Bank are headquartered in Chico, California. The Bank is a California-chartered bank that is engaged in the general commercial banking business in 29 California counties. The Company has five capital subsidiary business trusts (collectively, the “Capital Trusts”) that issued trust preferred securities, including two organized by the Company and three acquired with the acquisition of North Valley Bancorp.

The consolidated financial statements are prepared in accordance with accounting policies generally accepted in the United States of America and general practices in the banking industry. All adjustments necessary for a fair presentation of these consolidated financial statements have been included and are of a normal and recurring nature. The financial statements include the accounts of the Company. All inter-company accounts and transactions have been eliminated in consolidation. For financial reporting purposes, the Company’s investments in the Capital Trusts of $1,714,000 are accounted for under the equity method and, accordingly, are not consolidated and are included in other assets on the consolidated balance sheet. The subordinated debentures issued and guaranteed by the Company and held by the Capital Trusts are reflected as debt on the Company’s consolidated balance sheet.

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018 (the “2018 Annual Report”). The Company believes that the disclosures made are adequate to make the information not misleading.

Segment and Significant Group Concentration of Credit Risk

The Company grants agribusiness, commercial, consumer, and residential loans to customers located throughout northern and central California. The Company has a diversified loan portfolio within the business segments located in this geographical area. The Company currently classifies all its operation into one business segment that it denotes as community banking.

Geographical Descriptions

For the purpose of describing the geographical location of the Company’s operations, the Company has defined northern California as that area of California north of, and including, Stockton to the east and San Jose to the west; central California as that area of the state south of Stockton and San Jose, to and including, Bakersfield to the east and San Luis Obispo to the west; and southern California as that area of the state south of Bakersfield and San Luis Obispo.

Cash and Cash Equivalents

Net cash flows are reported for loan and deposit transactions and other borrowings. For purposes of the consolidated statement of cash flows, cash, due from banks with original maturities less than 90 days, interest-earning deposits in other banks, and Federal funds sold are considered to be cash equivalents.

Accounting Standards Adopted in 2019

The Financial Accounting Standards Board (“FASB”) issued ASU No. 2016-02, Leases (Topic 842). ASU 2016-02, which among other things, requires lessees to recognize most leases on-balance sheet, increasing reported assets and liabilities. Lessor accounting remains substantially similar to current U.S. GAAP. The FASB has issued incremental guidance to Topic 842 standard through ASU No. 2018-11, 2018-20, and 2019-01. The Company has elected to use the transition relief approach as provided in ASU 2018-11, which permits the Company to use January 1, 2019 as both the application date and the adoption date, rather than the modified retrospective approach which would have required an application date of January 1, 2017 and adoption date of January 1, 2019. The Company also elected certain relief options offered within the new standard, which include the package of practical expedients, the option not to recognize a right-of-use asset (ROUA) and lease liability that arise from short-term leases (i.e. leases with terms of 12 months or less), and the option of hindsight when determining lease term. Substantially all of the Company’s lease agreements are considered operating leases and were not previously recognized on the Company’s balance sheets. As of January 1, 2019, the Company recorded a ROUA and corresponding lease liability for all applicable operating leases. While the guidance increased the Company’s gross assets and liabilities, the adoption of ASU 2016-02 did not have a material impact on the consolidated statements of income or the consolidated statements of cash flows. See Note 6 for more information.

The FASB issued ASU 2017-08, Receivables—Nonrefundable Fees and Other Costs (Topic 310). ASU 2017-08 shortens the amortization period for certain callable debt securities held at a premium to require such premiums to be amortized to the earliest call date unless applicable guidance related to certain pools of securities is applied to consider estimated prepayments. Under prior guidance, entities were generally required to amortize premiums on individual, non-pooled callable debt securities as a yield adjustment over the contractual life of the security. ASU 2017-08 does not change the accounting for callable debt securities held at a discount. ASU 2017-08 was effective for the Company on January 1, 2019, and did not have an impact on the Company’s consolidated financial statements.

Accounting Standards Pending Adoption

The FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses (Topic 326). ASU 2016-13 is the final guidance on the new current expected credit loss (‘‘CECL’’) model. ASU 2016-13, among other things, requires the incurred loss impairment methodology in current GAAP be replaced with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to estimate future credit loss estimates. As CECL encompasses all financial assets carried at amortized cost, the requirement that reserves be established based on an organization’s reasonable and supportable estimate of expected credit losses extends to held to maturity (‘‘HTM’’) debt securities. ASU 2016-13 amends the accounting for credit losses on available-for-sale securities (‘‘AFS’’), whereby credit losses will be presented as an allowance as opposed to a write-down. In addition, CECL will modify the accounting for purchased loans with credit deterioration since origination, so that reserves are established at the date of acquisition for purchased loans. Lastly, ASU 2016-13 requires enhanced disclosures on the significant estimates and judgments used to estimate credit losses, as well as on the credit quality and underwriting standards of an organization’s portfolio. These disclosures require organizations to present the currently required credit quality disclosures disaggregated by the year of origination or vintage. ASU 2016-13 allows for a modified retrospective approach with a cumulative effect adjustment to the balance sheet upon adoption (charge to retained earnings instead of the income statement). ASU 2016-13 will be effective for the Company on January 1, 2020, and early adoption is permitted. While the Company is currently evaluating the provisions of ASU 2016-13 to determine the potential impact the new standard will have on the Company’s Consolidated Financial Statements, it has taken steps to prepare for the implementation when it becomes effective, such as forming an internal task force, gathering pertinent data, consulting with outside professionals, and evaluating its current IT systems. While detailed modeling efforts are ongoing, the validation of expected credit loss estimates will likely not be available until late in 2019. Management expects to recognize a one-time cumulative effect adjustment to the allowance for loan losses as of the first reporting period in which the new standard is effective, but cannot yet estimate the magnitude of the one-time adjustment or the overall impact of the new guidance on the Company’s financial position, results of operations or cash flows.

FASB issued ASU No. 2017-04, Intangibles—Goodwill and Other: Simplifying the Test for Goodwill Impairment (Topic 350): ASU 2017-04 eliminates step two of the goodwill impairment test (the hypothetical purchase price allocation used to determine the implied fair value of goodwill) when step one (determining if the carrying value of a reporting unit exceeds its fair value) is failed. Instead, entities simply will compare the fair value of a reporting unit to its carrying amount and record goodwill impairment for the amount by which the reporting unit’s carrying amount exceeds its fair value. ASU 2017-04 will be effective for the Company on January 1, 2020 and is not expected to have a significant impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU No. 2018-13, “Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement.” This ASU eliminates, adds and modifies certain disclosure requirements for fair value measurements. Among the changes, entities will no longer be required to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy, but will be required to disclose the range and weighted average used to develop significant unobservable inputs for Level 3 fair value measurements. ASU No. 2018-13 is effective for interim and annual reporting periods beginning after December 15, 2019; early adoption is permitted. Entities are also allowed to elect early adoption the eliminated or modified disclosure requirements and delay adoption of the new disclosure requirements until their effective date. As ASU No. 2018-13 only revises disclosure requirements, it will not have a significant impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU No. 2018-14, “Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans.” This ASU makes minor changes to the disclosure requirements for employers that sponsor defined benefit pension and/or other postretirement benefit plans. ASU 2018-14 is effective for fiscal years ending after December 15, 2020; early adoption is permitted. As ASU 2018-14 only revises disclosure requirements, it will not have a significant impact on the Company’s consolidated financial statements.

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Business Combinations

3 Months Ended

Mar. 31, 2019

Business Combinations [Abstract]

Business Combinations

Note 2—Business Combinations

Merger with FNB Bancorp

On July 6, 2018, the Company completed the acquisition of FNB Bancorp (“FNBB”) for an aggregate transaction value of $291,132,000. FNBB was merged into the Company, and the Company issued 7,405,277 shares of common stock to the former shareholders of FNBB. FNBB’s subsidiary, First National Bank of Northern California, merged into the Bank on the same day. The Company also paid $6.7 million to settle and retire all FNBB stock options outstanding as of the acquisition date. Upon the consummation of the merger, the Company added 12 branches within San Mateo, San Francisco, and Santa Clara counties.

In accordance with accounting for business combinations, the Company recorded $156,661,000 of goodwill and $27,605,000 of core deposit intangibles on the acquisition date. The core deposit intangibles will be amortized over the weighted average remaining life of 6.2 years with no significant residual value. For tax purposes, purchase prices accounting adjustments including goodwill are all non-taxable and /or non-deductible. Acquisition related costs of $476,000 are included in the consolidated statements of income for the three months ended March 31, 2018. There have been no acquisition costs incurred during the three months ended March 31, 2019.

The acquisition was consistent with the Company’s strategy to expand into the Bay Area market. The acquisition offers the Company the opportunity to increase profitability by introducing existing products and services to the acquired customer base as well as add new customers in the expanded region. Goodwill arising from the acquisition consisted largely of the estimated cost savings resulting from the combined operations.

The following table summarizes the consideration paid for FNBB and the amounts of assets acquired and liabilities assumed that were recorded at the acquisition date (in thousands).

	FNB Bancorp
	July 6, 2018
Fair value of consideration transferred:
Fair value of shares issued	$	284,437
Cash consideration		6,695
Total fair value of consideration transferred		291,132
Assets acquired:
Cash and cash equivalents		37,308
Securities available for sale		335,667
Restricted equity securities		7,723
Loans		834,683
Premises and equipment		30,522
Cash value of life insurance		16,817
Core deposit intangible		27,605
Other assets		16,214
Total assets acquired		1,306,539
Liabilities assumed:
Deposits		991,935
Other liabilities		15,133
Short-term borrowings—Federal Home Loan Bank		165,000
Total liabilities assumed		1,172,068
Total net assets acquired		134,471
Goodwill recognized	$	156,661

A summary of the estimated fair value adjustments resulting in the goodwill recorded in the FNB Bancorp acquisition are presented below (in thousands):

	FNB Bancorp
	July 6, 2018
Value of stock consideration paid to FNB Bancorp Shareholders	$	284,437
Cash consideration		6,695
Less:
Cost basis net assets acquired		114,030
Fair value adjustments:
Investments		(1,081	)
Loans		(22,390	)
Premises and Equipment		21,590
Core deposit intangible		27,327
Deferred income taxes		(6,394	)
Other		1,389
Goodwill	$	156,661

The fair value of net assets acquired includes fair value adjustments to certain loans that were not considered impaired (PNCI loans) as of the acquisition date. The fair value adjustments were determined using discounted contractual cash flows. As such, these loans were not considered impaired at the acquisition date and were not subject to the guidance relating to purchased credit impaired loans (PCI loans), which have shown evidence of credit deterioration since origination. The gross contractual amounts receivable and fair value for PNCI loans as of the acquisition date was $866,189,000 and $833,381,000, respectively. The gross contractual amounts receivable and fair value for PCI loans as of the acquisition date was $1,683,000 and $1,302,000, respectively. At the acquisition date, the Company was unable to estimate the expected contractual cash flows to be collected from the purchased credit impaired loans.  

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Investment Securities

3 Months Ended

Mar. 31, 2019

Investments Schedule [Abstract]

Investment Securities

Note 3—Investment Securities

The amortized cost and estimated fair values of investments in debt securities are summarized in the following tables:

	March 31, 2019
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	631,914	$	1,862	$	(6,676	)	$	627,100
Obligations of states and political subdivisions		128,706		1,242		(599	)		129,349
Corporate bonds		4,394		84		—			4,478
Asset backed securities		356,766		141		(4,318	)		352,589
Total debt securities available for sale	$	1,121,780	$	3,329	$	(11,593	)	$	1,113,516
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	416,418	$	2,190	$	(2,581	)	$	416,027
Obligations of states and political subdivisions		14,598		173		(25	)		14,746
Total debt securities held to maturity	$	431,016	$	2,363	$	(2,606	)	$	430,773

	December 31, 2018
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	647,288	$	771	$	(18,078	)	$	629,981
Obligations of states and political subdivisions		128,890		294		(3,112	)		126,072
Corporate bonds		4,381		97		—			4,478
Asset backed securities		355,451		73		(1,019	)		354,505
Total debt securities available for sale	$	1,136,010	$	1,235	$	(22,209	)	$	1,115,036
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	430,343	$	327	$	(7,745	)	$	422,925
Obligations of states and political subdivisions		14,593		82		(230	)		14,445
Total debt securities held to maturity	$	444,936	$	409	$	(7,975	)	$	437,370

There were no sales of investment securities during the three months ended March 31, 2019 and 2018. Investment securities with an aggregate carrying value of $587,233,000 and $597,591,000 at March 31, 2019 and December 31, 2018, respectively, were pledged as collateral for specific borrowings, lines of credit or local agency deposits.  

The amortized cost and estimated fair value of debt securities at March 31, 2019 by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. At March 31, 2019, obligations of U.S. government corporations and agencies with a cost basis totaling $1,048,332,000 consist almost entirely of residential real estate mortgage-backed securities whose contractual maturity, or principal repayment, will follow the repayment of the underlying mortgages. For purposes of the following table, the entire outstanding balance of these mortgage-backed securities issued by U.S. government corporations and agencies is categorized based on final maturity date. At March 31, 2019, the Company estimates the average remaining life of these mortgage-backed securities issued by U.S. government corporations and agencies to be approximately 5.5 years. Average remaining life is defined as the time span after which the principal balance has been reduced by half.

Debt Securities	Available for Sale				Held to Maturity
(In thousands)	Amortized		Estimated		Amortized		Estimated
	Cost		Fair Value		Cost		Fair Value
Due in one year	$	2,413	$	2,418	$	—	$	—
Due after one year through five years		10,584		10,798		1,246		1,260
Due after five years through ten years		18,130		18,624		23,944		23,899
Due after ten years		1,090,653		1,081,676		405,826		405,614
Totals	$	1,121,780	$	1,113,516	$	431,016	$	430,773

Gross unrealized losses on debt securities and the fair value of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, were as follows:

	Less than 12 months					12 months or more					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	Value		Loss			Value		Loss			Value		Loss
March 31, 2019	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	481	$	(2	)	$	496,424	$	(6,674	)	$	496,905	$	(6,676	)
Obligations of states and political subdivisions		24,644		(598	)		566		(1	)		25,210		(599	)
Asset backed securities		330,078		(4,318	)		—		—			330,078		(4,318	)
Total debt securities available for sale	$	355,203	$	(4,918	)	$	496,990	$	(6,675	)	$	852,193	$	(11,593	)
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	—	$	—		$	224,551	$	(2,581	)	$	224,551	$	(2,581	)
Obligations of states and political subdivisions		—		—			5,891		(25	)		5,891		(25	)
Total debt securities held to maturity	$	—	$	—		$	230,442	$	(2,606	)	$	230,442	$	(2,606	)

	Less than 12 months					12 months or more					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	Value		Loss			Value		Loss			Value		Loss
December 31, 2018	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	171,309	$	(3,588	)	$	394,630	$	(14,490	)	$	565,939	$	(18,078	)
Obligations of states and political subdivisions		63,738		(1,541	)		20,719		(1,571	)		84,457		(3,112	)
Asset backed securities		101,386		(1,019	)		—		—			101,386		(1,019	)
Total debt securities available for sale	$	336,433	$	(6,148	)	$	415,349	$	(16,061	)	$	751,782	$	(22,209	)
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	223,810	$	(2,619	)	$	158,648	$	(5,126	)	$	382,458	$	(7,745	)
Obligations of states and political subdivisions		5,786		(114	)		4,042		(116	)		9,828		(230	)
Total debt securities held to maturity	$	229,596	$	(2,733	)	$	162,690	$	(5,242	)	$	392,286	$	(7,975	)

Obligations of U.S. government agencies: Unrealized losses on investments in obligations of U.S. government agencies are caused by interest rate increases. The contractual cash flows of these securities are guaranteed by U.S. Government Sponsored Entities (principally Fannie Mae and Freddie Mac). It is expected that the securities would not be settled at a price less than the amortized cost of the investment. Because the decline in fair value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell and more likely than not will not be required to sell, these investments are not considered other-than-temporarily impaired. At March 31, 2019, 93 debt securities representing obligations of U.S. government agencies had unrealized losses with aggregate depreciation of (1.3%) from the Company’s amortized cost basis.

Obligations of states and political subdivisions: The unrealized losses on investments in obligations of states and political subdivisions were caused by increases in required yields by investors in these types of securities. It is expected that the securities would not be settled at a price less than the amortized cost of the investment. Because the decline in fair value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell and more likely than not will not be required to sell, these investments are not considered other-than-temporarily impaired. At March 31, 2019, 33 debt securities representing obligations of states and political subdivisions had unrealized losses with aggregate depreciation of (2.0%) from the Company’s amortized cost basis.

Asset backed securities: The unrealized losses on investments in asset backed securities were caused by increases in required yields by investors in these types of securities. At the time of purchase, each of these securities was rated AA or AAA and through March 31, 2019 has not experienced any deterioration in credit rating. The Company continues to monitor these securities for changes in credit rating or other indications of credit deterioration. Because management believes the decline in fair value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell and more likely than not will not be required to sell, these investments are not considered other-than-temporarily impaired. At March 31, 2019, 28 asset backed securities had unrealized losses with aggregate depreciation of (1.3%) from the Company’s amortized cost basis.

Marketable equity securities: All unrealized losses recognized during the reporting period were for equity securities still held at March 31, 2019. 

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Loans

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Loans

Note 4 – Loans

A summary of loan balances follows (in thousands):

	March 31, 2019
	Originated			PNCI			PCI			Total
Mortgage loans on real estate:
Residential 1-4 family	$	357,559		$	163,268		$	1,585		$	522,412
Commercial		1,929,508			671,397			6,022			2,606,927
Total mortgage loan on real estate		2,287,067			834,665			7,607			3,129,339
Consumer:
Home equity lines of credit		279,075			38,090			1,088			318,253
Home equity loans		31,245			3,356			436			35,037
Other		45,020			20,001			41			65,062
Total consumer loans		355,340			61,447			1,565			418,352
Commercial		227,314			39,295			2,554			269,163
Construction:
Residential		115,688			30,096			—			145,784
Commercial		64,576			7,117			—			71,693
Total construction		180,264			37,213			—			217,477
Total loans, net of deferred loan fees and discounts	$	3,049,985		$	972,620		$	11,726		$	4,034,331
Total principal balance of loans owed, net of charge-offs	$	3,059,398		$	1,007,678		$	18,376		$	4,085,452
Unamortized net deferred loan fees		(9,413	)		—			—			(9,413	)
Discounts to principal balance of loans owed, net of charge-offs		—			(35,058	)		(6,650	)		(41,708	)
Total loans, net of unamortized deferred loan fees and discounts	$	3,049,985		$	972,620		$	11,726		$	4,034,331
Allowance for loan losses	$	(31,088	)	$	(969	)	$	(7	)	$	(32,064	)

	December 31, 2018
	Originated			PNCI			PCI			Total
Mortgage loans on real estate:
Residential 1-4 family	$	343,796		$	169,792		$	1,674		$	515,262
Commercial		1,910,981			708,401			8,456			2,627,838
Total mortgage loan on real estate		2,254,777			878,193			10,130			3,143,100
Consumer:
Home equity lines of credit		284,453			40,957			1,167			326,577
Home equity loans		32,660			3,585			439			36,684
Other		34,020			21,659			42			55,721
Total consumer loans		351,133			66,201			1,648			418,982
Commercial		228,635			45,468			2,445			276,548
Construction:
Residential		90,703			30,593			—			121,296
Commercial		56,208			5,880			—			62,088
Total construction		146,911			36,473			—			183,384
Total loans, net of deferred loan fees and discounts	$	2,981,456		$	1,026,335		$	14,223		$	4,022,014
Total principal balance of loans owed, net of charge-offs	$	2,991,324		$	1,062,655		$	21,265		$	4,075,244
Unamortized net deferred loan fees		(9,868	)		—			—			(9,868	)
Discounts to principal balance of loans owed, net of charge-offs		—			(36,320	)		(7,042	)		(43,362	)
Total loans, net of unamortized deferred loan fees and discounts	$	2,981,456		$	1,026,335		$	14,223		$	4,022,014
Allowance for loan losses	$	(31,793	)	$	(667	)	$	(122	)	$	(32,582	)

The following is a summary of the change in accretable yield for PCI during the periods indicated (in thousands):

	Three months ended March 31,
	2019			2018
Change in accretable yield:
Balance at beginning of period	$	6,059		$	6,137
Accretion to interest income		(301	)		(255	)
Reclassification (to) from nonaccretable difference		(11	)		140
Balance at end of period	$	5,747		$	6,022

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Allowance for Loan Losses

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Allowance for Loan Losses

Note 5 – Allowance for Loan Losses

The following tables summarize the activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated.

	Allowance for Loan Losses – Three Months Ended March 31, 2019
(in thousands)	Beginning Balance		Charge-offs			Recoveries		Provision (benefit)			Ending Balance
Mortgage loans on real estate:
Residential 1-4 family	$	2,676	$	—		$	2	$	(178	)	$	2,500
Commercial		12,944		—			1,381		(1,995	)		12,330
Total mortgage loans on real estate		15,620		—			1,383		(2,173	)		14,830
Consumer:
Home equity lines of credit		6,042		—			95		(122	)		6,015
Home equity loans		1,540		—			87		(341	)		1,286
Other		793		(207	)		75		379			1,040
Total consumer loans		8,375		(207	)		257		(84	)		8,341
Commercial		6,090		(519	)		168		339			6,078
Construction:
Residential		1,834		—			—		574			2,408
Commercial		663		—			—		(256	)		407
Total construction		2,497		—			—		318			2,815
Total	$	32,582	$	(726	)	$	1,808	$	(1,600	)	$	32,064

	Allowance for Loan Losses – As of March 31, 2019
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance for loan losses
Mortgage loans on real estate:
Residential 1-4 family	$	2,445	$	55	$	—	$	2,500
Commercial		12,293		36		1		12,330
Total mortgage loans on real estate		14,738		91		1		14,830
Consumer:
Home equity lines of credit		5,879		130		6		6,015
Home equity loans		1,216		70		—		1,286
Other		1,023		17		—		1,040
Total consumer loans		8,118		217		6		8,341
Commercial		4,636		1,442		—		6,078
Construction:
Residential		2,408		—		—		2,408
Commercial		407		—		—		407
Total construction		2,815		—		—		2,815
Total	$	30,307	$	1,750	$	7	$	32,064

	Loans, Net of Unearned fees – As of March 31, 2019
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans, net of unearned fees
Mortgage loans on real estate:
Residential 1-4 family	$	517,038	$	3,789	$	1,585	$	522,412
Commercial		2,592,994		7,911		6,022		2,606,927
Total mortgage loans on real estate		3,110,032		11,700		7,607		3,129,339
Consumer:
Home equity lines of credit		314,609		2,556		1,088		318,253
Home equity loans		32,618		1,983		436		35,037
Other		64,891		130		41		65,062
Total consumer loans		412,118		4,669		1,565		418,352
Commercial		261,933		4,676		2,554		269,163
Construction:
Residential		145,784		—		—		145,784
Commercial		71,693		—		—		71,693
Total construction		217,477		—		—		217,477
Total	$	4,001,560	$	21,045	$	11,726	$	4,034,331

	Allowance for Loan Losses – Year Ended December 31, 2018
(in thousands)	Beginning Balance		Charge-offs			Recoveries		Provision (benefit)			Ending Balance
Mortgage loans on real estate:
Residential 1-4 family	$	2,317	$	(77	)	$	—	$	436		$	2,676
Commercial		11,441		(15	)		68		1,450			12,944
Total mortgage loans on real estate		13,758		(92	)		68		1,886			15,620
Consumer:
Home equity lines of credit		5,800		(277	)		846		(327	)		6,042
Home equity loans		1,841		(24	)		297		(574	)		1,540
Other		586		(783	)		288		702			793
Total consumer loans		8,227		(1,084	)		1,431		(199	)		8,375
Commercial		6,512		(1,188	)		541		225			6,090
Construction:
Residential		1,184		—			—		650			1,834
Commercial		642		—			—		21			663
Total construction		1,826		—			—		671			2,497
Total	$	30,323	$	(2,364	)	$	2,040	$	2,583		$	32,582

	Allowance for Loan Losses – As of December 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance for loan losses
Mortgage loans on real estate:
Residential 1-4 family	$	2,620	$	56	$	—	$	2,676
Commercial		12,737		91		116		12,944
Total mortgage loans on real estate		15,357		147		116		15,620
Consumer:
Home equity lines of credit		5,838		198		6		6,042
Home equity loans		1,486		54		—		1,540
Other		779		14		—		793
Total consumer loans		8,103		266		6		8,375
Commercial		4,309		1,781		—		6,090
Construction:
Residential		1,834		—		—		1,834
Commercial		663		—		—		663
Total construction		2,497		—		—		2,497
Total	$	30,266	$	2,194	$	122	$	32,582

	Loans, Net of Unearned fees – As of December 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans, net of unearned fees
Mortgage loans on real estate:
Residential 1-4 family	$	509,267	$	4,321	$	1,674	$	515,262
Commercial		2,606,819		12,563		8,456		2,627,838
Total mortgage loans on real estate		3,116,086		16,884		10,130		3,143,100
Consumer:
Home equity lines of credit		322,764		2,646		1,167		326,577
Home equity loans		33,142		3,103		439		36,684
Other		55,483		196		42		55,721
Total consumer loans		411,389		5,945		1,648		418,982
Commercial		268,885		5,218		2,445		276,548
Construction:
Residential		121,296		—		—		121,296
Commercial		62,088		—		—		62,088
Total construction		183,384		—		—		183,384
Total	$	3,979,744	$	28,047	$	14,223	$	4,022,014

	Allowance for Loan Losses – Three Months Ended March 31, 2018
(in thousands)	Beginning Balance		Charge-offs			Recoveries		Provision (benefit)			Ending Balance
Mortgage loans on real estate:
Residential 1-4 family	$	2,317	$	(1	)	$	—	$	(146	)	$	2,170
Commercial		11,441		—			15		39			11,495
Total mortgage loans on real estate		13,758		(1	)		15		(107	)		13,665
Consumer:
Home equity lines of credit		5,800		(80	)		209		(517	)		5,412
Home equity loans		1,841		—			14		(119	)		1,736
Other		586		(194	)		78		100			570
Total consumer loans		8,227		(274	)		301		(536	)		7,718
Commercial		6,512		(205	)		50		35			6,392
Construction:
Residential		1,184		—			—		167			1,351
Commercial		642		—			—		205			847
Total construction		1,826		—			—		372			2,198
Total	$	30,323	$	(480	)	$	366	$	(236	)	$	29,973

	Allowance for Loan Losses – As of March 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance for loan losses
Mortgage loans on real estate:
Residential 1-4 family	$	1,910	$	190	$	70	$	2,170
Commercial		11,281		154		60		11,495
Total mortgage loans on real estate		13,191		344		130		13,665
Consumer:
Home equity lines of credit		4,956		448		8		5,412
Home equity loans		1,606		130		—		1,736
Other		514		56		—		570
Total consumer loans		7,076		634		8		7,718
Commercial		4,249		2,113		30		6,392
Construction:
Residential		1,351		—		—		1,351
Commercial		847		—		—		847
Total construction		2,198		—		—		2,198
Total	$	26,714	$	3,091	$	168	$	29,973

	Loans, Net of Unearned fees – As of March 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans, net of unearned fees
Mortgage loans on real estate:
Residential 1-4 family	$	378,832	$	5,535	$	1,744	$	386,111
Commercial		1,954,120		11,110		8,038		1,973,268
Total mortgage loans on real estate		2,332,952		16,645		9,782		2,359,379
Consumer:
Home equity lines of credit		279,140		2,450		1,661		283,251
Home equity loans		39,774		1,673		485		41,932
Other		23,285		278		43		23,606
Total consumer loans		342,199		4,401		2,189		348,789
Commercial		208,889		4,621		2,505		216,015
Construction:
Residential		71,462		136		—		71,598
Commercial		73,952		—		—		73,952
Total construction		145,414		136		—		145,550
Total	$	3,029,454	$	25,803	$	14,476	$	3,069,733

As part of the on-going monitoring of the credit quality of the Company’s loan portfolio, management tracks certain credit quality indicators including, but not limited to, trends relating to (i) the level of criticized and classified loans, (ii) net charge-offs, (iii) non-performing loans, and (iv) delinquency within the portfolio.

The Company utilizes a risk grading system to assign a risk grade to each of its loans. Loans are graded on a scale ranging from Pass to Loss. A description of the general characteristics of the risk grades is as follows:

• Pass – This grade represents loans ranging from acceptable to very little or no credit risk. These loans typically meet most if not all policy standards in regard to: loan amount as a percentage of collateral value, debt service coverage, profitability, leverage, and working capital.

• Special Mention – This grade represents “Other Assets Especially Mentioned” in accordance with regulatory guidelines and includes loans that display some potential weaknesses which, if left unaddressed, may result in deterioration of the repayment prospects for the asset or may inadequately protect the Company’s position in the future. These loans warrant more than normal supervision and attention.

• Substandard – This grade represents “Substandard” loans in accordance with regulatory guidelines. Loans within this rating typically exhibit weaknesses that are well defined to the point that repayment is jeopardized. Loss potential is, however, not necessarily evident. The underlying collateral supporting the credit appears to have sufficient value to protect the Company from loss of principal and accrued interest, or the loan has been written down to the point where this is true. There is a definite need for a well-defined workout/rehabilitation program.

• Doubtful – This grade represents “Doubtful” loans in accordance with regulatory guidelines. An asset classified as Doubtful has all the weaknesses inherent in a loan classified Substandard with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. Pending factors include proposed merger, acquisition, or liquidation procedures, capital injection, perfecting liens on additional collateral, and financing plans.

• Loss – This grade represents “Loss” loans in accordance with regulatory guidelines. A loan classified as Loss is considered uncollectible and of such little value that its continuance as a bankable asset is not warranted. This classification does not mean that the loan has absolutely no recovery or salvage value, but rather that it is not practical or desirable to defer writing off the loan, even though some recovery may be affected in the future. The portion of the loan that is graded loss should be charged off no later than the end of the quarter in which the loss is identified.

The following tables present ending loan balances by loan category and risk grade for the periods indicated:

	Credit Quality Indicators Originated Loans– As of March 31, 2019
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total Originated Loans
Mortgage loans on real estate:
Residential 1-4 family	$	350,256	$	1,807	$	5,496	$	—	$	357,559
Commercial		1,886,958		33,094		9,456		—		1,929,508
Total mortgage loans on real estate		2,237,214		34,901		14,952		—		2,287,067
Consumer:
Home equity lines of credit		273,144		2,867		3,064		—		279,075
Home equity loans		27,328		1,533		2,384		—		31,245
Other		44,611		309		100		—		45,020
Total consumer loans		345,083		4,709		5,548		—		355,340
Commercial		214,758		7,896		4,660		—		227,314
Construction:
Residential		115,432		—		256		—		115,688
Commercial		64,238		338		—		—		64,576
Total construction		179,670		338		256		—		180,264
Total loans	$	2,976,725	$	47,844	$	25,416	$	—	$	3,049,985

	Credit Quality Indicators PNCI Loans – As of March 31, 2019
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total PNCI Loans
Mortgage loans on real estate:
Residential 1-4 family	$	161,351	$	1,109	$	808	$	—	$	163,268
Commercial		665,630		2,727		3,040		—		671,397
Total mortgage loans on real estate		826,981		3,836		3,848		—		834,665
Consumer:
Home equity lines of credit		35,888		925		1,277		—		38,090
Home equity loans		3,174		98		84		—		3,356
Other		19,790		208		3		—		20,001
Total consumer loans		58,852		1,231		1,364		—		61,447
Commercial		38,762		201		332		—		39,295
Construction:
Residential		30,096		—		—		—		30,096
Commercial		6,872		—		245		—		7,117
Total construction		36,968		—		245		—		37,213
Total loans	$	961,563	$	5,268	$	5,789	$	—	$	972,620

	Credit Quality Indicators Originated Loans– As of December 31, 2018
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total Originated Loans
Mortgage loans on real estate:
Residential 1-4 family	$	337,189	$	1,724	$	4,883	$	—	$	343,796
Commercial		1,861,627		33,483		15,871		—		1,910,981
Total mortgage loans on real estate		2,198,816		35,207		20,754		—		2,254,777
Consumer:
Home equity lines of credit		279,491		2,309		2,653		—		284,453
Home equity loans		29,289		1,054		2,317		—		32,660
Other		33,606		341		73		—		34,020
Total consumer loans		342,386		3,704		5,043		—		351,133
Commercial		217,126		6,127		5,382		—		228,635
Construction:
Residential		90,412		32		259		—		90,703
Commercial		55,863		345		—		—		56,208
Total construction		146,275		377		259		—		146,911
Total loans	$	2,904,603	$	45,415	$	31,438	$	—	$	2,981,456

	Credit Quality Indicators PNCI Loans – As of December 31, 2018
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total PNCI Loans
Mortgage loans on real estate:
Residential 1-4 family	$	167,908	$	1,086	$	798	$	—	$	169,792
Commercial		701,868		3,085		3,448		—		708,401
Total mortgage loans on real estate		869,776		4,171		4,246		—		878,193
Consumer:
Home equity lines of credit		38,780		1,124		1,053		—		40,957
Home equity loans		3,413		74		98		—		3,585
Other		21,481		173		5		—		21,659
Total consumer loans		63,674		1,371		1,156		—		66,201
Commercial		45,027		321		120		—		45,468
Construction:
Residential		30,593		—		—		—		30,593
Commercial		5,880		—		—		—		5,880
Total construction		36,473		—		—		—		36,473
Total	$	1,014,950	$	5,863	$	5,522	$	—	$	1,026,335

Consumer loans, whether unsecured or secured by real estate, automobiles, or other personal property, are susceptible to three primary risks; non-payment due to income loss, over-extension of credit and, when the borrower is unable to pay, shortfall in collateral value. Typically, payment performance will follow general economic trends in the marketplace driven primarily by rises in the unemployment rate; non-payment is likely due to loss of employment. Loss of collateral value can be due to market demand shifts, damage to collateral itself or a combination of the two. Problem consumer loans are generally identified by payment history and current performance of the borrower (delinquency). The Bank manages its consumer loan portfolios by monitoring delinquency and contacting borrowers to encourage repayment, suggesting modifications if appropriate, and, when continued scheduled payments become unrealistic, initiating repossession or foreclosure through appropriate channels.

Commercial real estate loans generally fall into two categories, owner-occupied and non-owner occupied. Loans secured by owner occupied real estate are primarily susceptible to changes in the business conditions of the related business. This may be driven by, among other things, industry changes, geographic business changes, changes in the individual fortunes of the business owner, and general economic conditions and changes in business cycles. These same risks apply to commercial loans whether secured by equipment or other personal property or unsecured. Losses on loans secured by owner occupied real estate, equipment, or other personal property generally are dictated by the value of underlying collateral at the time of default and liquidation of the collateral. When default is driven by issues related specifically to the business owner, collateral values tend to provide better repayment support and may result in little or no loss. Alternatively, when default is driven by more general economic conditions, underlying collateral generally has devalued more and results in larger losses due to default. Loans secured by non-owner occupied real estate are primarily susceptible to risks associated with swings in occupancy or vacancy and related shifts in lease rates, rental rates or room rates. Most often these shifts are a result of changes in general economic or market conditions or overbuilding and resultant over-supply. Losses are dependent on value of underlying collateral at the time of default. Values are generally driven by these same factors and influenced by interest rates and required rates of return as well as changes in occupancy costs.

Construction loans, whether owner occupied or non-owner occupied commercial real estate loans or residential development loans, are not only susceptible to the related risks described above but the added risks of construction itself including cost over-runs, mismanagement of the project, or lack of demand or market changes experienced at time of completion. Again, losses are primarily related to underlying collateral value and changes therein as described above.

Problem commercial loans are generally identified by periodic review of financial information which may include financial statements, tax returns, rent rolls and payment history of the borrower (delinquency). Based on this information the Bank may decide to take any of several courses of action including demand for repayment, additional collateral or guarantors, and, when repayment becomes unlikely through borrower’s income and cash flow, repossession or foreclosure of the underlying collateral.

Collateral values may be determined by appraisals obtained through Bank approved, licensed appraisers, qualified independent third parties, public value information (blue book values for autos), sales invoices, or other appropriate means. Appropriate valuations or revaluations are obtained at initiation of the credit and periodically, but not less than every twelve months depending on collateral type, once repayment is questionable and the loan has been classified.

Once a loan becomes delinquent and repayment becomes questionable, a Bank collection officer will address collateral shortfalls with the borrower and attempt to obtain additional collateral. If this is not forthcoming and payment in full is unlikely, the Bank will estimate its probable loss, using a recent valuation as appropriate to the underlying collateral less estimated costs of sale, and charge the loan down to the estimated net realizable amount. Depending on the length of time until ultimate collection, the Bank may revalue the underlying collateral and take additional charge-offs as warranted. Revaluations may occur as often as every 3-12 months depending on the underlying collateral and volatility of values. Final charge-offs or recoveries are taken when collateral is liquidated and actual loss is known. Unpaid balances on loans after or during collection and liquidation may also be pursued through lawsuit and attachment of wages or judgment liens on borrower’s other assets.

The following table shows the ending balance of current and past due originated loans by loan category as of the date indicated:

	Analysis of Originated Past Due Loans - As of March 31, 2019
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	2,231	$	—	$	396	$	2,627	$	354,932	$	357,559	$	—
Commercial		767		—		901		1,668		1,927,840		1,929,508		—
Total mortgage loans on real estate		2,998		—		1,297		4,295		2,282,772		2,287,067		—
Consumer:
Home equity lines of credit		1,774		11		362		2,147		276,928		279,075		—
Home equity loans		512		24		163		699		30,546		31,245		17
Other		151		—		9		160		44,860		45,020		9
Total consumer loans		2,437		35		534		3,006		352,334		355,340		26
Commercial		1,122		453		371		1,946		225,368		227,314		14
Construction:
Residential		785		—		—		785		114,903		115,688		—
Commercial		—		—		—		—		64,576		64,576		—
Total construction		785		—		—		785		179,479		180,264		—
Total originated loans	$	7,342	$	488	$	2,202	$	10,032	$	3,039,953	$	3,049,985	$	40

The following table shows the ending balance of current and past due PNCI loans by loan category as of the date indicated:

	Analysis of PNCI Past Due Loans - As of March 31, 2019
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	1,457	$	270	$	—	$	1,727	$	161,541	$	163,268	$	—
Commercial		2,898		—		949		3,847		667,550		671,397		—
Total mortgage loans on real estate		4,355		270		949		5,574		829,091		834,665		—
Consumer:
Home equity lines of credit		418		—		1		419		37,671		38,090		—
Home equity loans		14		—		—		14		3,342		3,356		—
Other		151		—		—		151		19,850		20,001		—
Total consumer loans		583		—		1		584		60,863		61,447		—
Commercial		2		99		233		334		38,961		39,295		—
Construction:
Residential		—		—		—		—		30,096		30,096		—
Commercial		—		—		—		—		7,117		7,117		—
Total construction		—		—		—		—		37,213		37,213		—
Total PNCI loans	$	4,940	$	369	$	1,183	$	6,492	$	966,128	$	972,620	$	—

The following table shows the ending balance of current and past due originated loans by loan category as of the date indicated:

	Analysis of Originated Past Due Loans - As of December 31, 2018
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	1,675	$	132	$	478	$	2,285	$	341,511	$	343,796	$	—
Commercial		431		1,200		296		1,927		1,909,054		1,910,981		—
Total mortgage loans on real estate		2,106		1,332		774		4,212		2,250,565		2,254,777		—
Consumer:
Home equity lines of credit		908		47		609		1,564		282,889		284,453		—
Home equity loans		1,043		24		214		1,281		31,379		32,660		—
Other		298		17		—		315		33,705		34,020		—
Total consumer loans		2,249		88		823		3,160		347,973		351,133		—
Commercial		1,053		579		1,247		2,879		225,756		228,635		—
Construction:
Residential		209		—		—		209		90,494		90,703		—
Commercial		—		—		—		—		56,208		56,208		—
Total construction		209		—		—		209		146,702		146,911		—
Total loans	$	5,617	$	1,999	$	2,844	$	10,460	$	2,970,996	$	2,981,456	$	—

The following table shows the ending balance of current and past due PNCI loans by loan category as of the date indicated:

	Analysis of PNCI Past Due Loans - As of December 31, 2018
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	1,009	$	133	$	156	$	1,298	$	168,494	$	169,792	$	—
Commercial		1,646		1,136		1,082		3,864		704,537		708,401		—
Total mortgage loans on real estate		2,655		1,269		1,238		5,162		873,031		878,193		—
Consumer:
Home equity lines of credit		304		35		237		576		40,381		40,957		—
Home equity loans		74		—		—		74		3,511		3,585		—
Other		160		—		—		160		21,499		21,659		—
Total consumer loans		538		35		237		810		65,391		66,201		—
Commercial		678		145		113		936		44,532		45,468		—
Construction:
Residential		—		—		—		—		30,593		30,593		—
Commercial		—		—		—		—		5,880		5,880		—
Total construction		—		—		—		—		36,473		36,473		—
Total loans	$	3,871	$	1,449	$	1,588	$	6,908	$	1,019,427	$	1,026,335	$	—

Interest income on originated nonaccrual loans that would have been recognized during the three months ended March 31, 2019 and 2018, if all such loans had been current in accordance with their original terms, totaled $279,000 and $285,000, respectively. Interest income actually recognized on these originated loans during the three months ended March 31, 2019 and 2018 was $33,000 and $22,000, respectively. Interest income on PNCI nonaccrual loans that would have been recognized during the three months ended March 31, 2019 and 2018, if all such loans had been current in accordance with their original terms, totaled $121,000 and $27,000, respectively. Interest income actually recognized on these PNCI loans during the three months ended March 31, 2019 and 2018 was $60,000 and $0.

The following table shows the ending balance of nonaccrual originated and PNCI loans by loan category as of the date indicated:

	Non Accrual Loans
	As of March 31, 2019						As of December 31, 2018
(in thousands)	Originated		PNCI		Total		Originated		PNCI		Total
Mortgage loans on real estate:
Residential 1-4 family	$	3,066	$	308	$	3,374	$	3,244	$	334	$	3,578
Commercial		4,493		1,445		5,938		9,263		1,468		10,731
Total mortgage loans on real estate		7,559		1,753		9,312		12,507		1,802		14,309
Consumer:
Home equity lines of credit		1,366		501		1,867		1,429		885		2,314
Home equity loans		1,599		36		1,635		1,722		47		1,769
Other		28		4		32		3		4		7
Total consumer loans		2,993		541		3,534		3,154		936		4,090
Commercial		3,144		332		3,476		3,755		120		3,875
Construction:
Residential		—		—		—		—		—		—
Commercial		—		—		—		—		—		—
Total construction		—		—		—		—		—		—
Total non accrual loans	$	13,696	$	2,626	$	16,322	$	19,416	$	2,858	$	22,274

Impaired originated loans are those where management has concluded that it is probable that the borrower will be unable to pay all amounts due in accordance with the original contractual terms of the loan agreement. The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired Originated and PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired Originated Loans – As of, or for the Three Months Ended, March 31, 2019
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	4,148	$	3,481	$	—	$	3,481	$	55	$	4,029	$	6
Commercial		6,771		5,874		592		6,466		37		9,453		22
Total mortgage loans on real estate		10,919		9,355		592		9,947		92		13,482		28
Consumer:
Home equity lines of credit		1,857		1,737		58		1,795		18		1,943		4
Home equity loans		2,333		1,639		120		1,759		20		1,963		—
Other		46		—		28		28		9		33		—
Total consumer loans		4,236		3,376		206		3,582		47		3,939		4
Commercial		4,538		2,301		2,043		4,344		1,223		4,778		—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	19,693	$	15,032	$	2,841	$	17,873	$	1,362	$	22,199	$	32

	Impaired PNCI Loans – As of, or for the Three Months Ended, March 31, 2019
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	344	$	308	$	—	$	308	$	—	$	321	$	—
Commercial		3,089		1,445		—		1,445		—		1,456		58
Total mortgage loans on real estate		3,433		1,753		—		1,753		—		1,777		58
Consumer:
Home equity lines of credit		831		401		360		761		112		883		—
Home equity loans		242		102		122		224		50		232		—
Other		102		64		38		102		7		106		—
Total consumer loans		1,175		567		520		1,087		169		1,221		—
Commercial		335		113		219		332		219		226		2
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	4,943	$	2,433	$	739	$	3,172	$	388	$	3,224	$	60

	Impaired Originated Loans – As of, or for the Twelve Months Ended, December 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	4,594	$	3,663	$	308	$	3,971	$	56	$	3,517	$	90
Commercial		13,081		10,676		1,765		12,441		42		13,115		137
Total mortgage loans on real estate		17,675		14,339		2,073		16,412		98		16,632		227
Consumer:
Home equity lines of credit		1,900		1,749		111		1,860		71		1,885		43
Home equity loans		2,374		1,892		65		1,957		2		1,520		23
Other		3		—		3		3		3		17		2
Total consumer loans		4,277		3,641		179		3,820		76		3,422		68
Commercial		5,433		2,924		2,287		5,211		1,774		4,654		91
Construction:
Residential		—		—		—		—		—		5		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		5		—
Total	$	27,385	$	20,904	$	4,539	$	25,443	$	1,948	$	24,713	$	386

	Impaired PNCI Loans – As of, or for the Twelve Months Ended, December 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	375	$	334	$	—	$	334	$	—	$	529	$	5
Commercial		3,110		1,468		—		1,468		—		1,713		183
Total mortgage loans on real estate		3,485		1,802		—		1,802		—		2,242		188
Consumer:
Home equity lines of credit		1,027		587		367		954		127		1,120		18
Home equity loans		252		47		197		244		101		155		—
Other		106		21		85		106		11		114		—
Total consumer loans		1,385		655		649		1,304		239		1,389		18
Commercial		120		113		7		120		7		60		1
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	4,990	$	2,570	$	656	$	3,226	$	246	$	3,691	$	207

	Impaired Originated Loans – As of, or for the Three Months Ended, March 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	4,378	$	2,678	$	1,525	$	4,203	$	190	$	4,071	$	28
Commercial		11,407		9,848		1,262		11,110		154		12,510		44
Total mortgage loans on real estate		15,785		12,526		2,787		15,313		344		16,581		72
Consumer:
Home equity lines of credit		1,478		888		527		1,415		146		1,455		10
Home equity loans		1,744		1,193		196		1,389		10		1,347		2
Other		4		—		4		4		4		6		—
Total consumer loans		3,226		2,081		727		2,808		160		2,808		12
Commercial		4,756		881		3,740		4,621		2,113		4,545		26
Construction:
Residential		136		136		—		136		—		138		2
Commercial		—		—		—		—		—		—		—
Total construction		136		136		—		136		—		138		2
Total	$	23,903	$	15,624	$	7,254	$	22,878	$	2,617	$	24,072	$	112

	Impaired PNCI Loans – As of, or for the Three Months Ended, March 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	1,390	$	1,332	$	—	$	1,332	$	—	$	1,345	$	2
Commercial		—		—		—		—		—		—		—
Total mortgage loans on real estate		1,390		1,332		—		1,332		—		1,345		2
Consumer:
Home equity lines of credit		1,065		501		534		1,035		302		1,114		5
Home equity loans		298		40		244		284		120		225		3
Other		274		28		246		274		52		262		2
Total consumer loans		1,637		569		1,024		1,593		474		1,601		10
Commercial		—		—		—		—		—				—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	3,027	$	1,901	$	1,024	$	2,925	$	474	$	2,946	$	12

Originated loans classified as TDRs and impaired were $9,547,000, $10,253,000, and $9,871,000 at March 31, 2019, December 31, 2018, and March 31, 2018, respectively. PNCI loans classified as TDRs and impaired were $823,000, $615,000, and $1,471,000 at March 31, 2019, December 31, 2018 and March 31, 2018, respectively. The Company had no significant obligations to lend additional funds on Originated or PNCI TDRs as of March 31, 2019, December 31, 2018, or March 31, 2018.

The following tables show certain information regarding TDRs that occurred during the periods indicated:

	TDR Information for the Three Months Ended March 31, 2019
(dollars in thousands)	Number		Pre-mod outstanding principal balance		Post-mod outstanding principal balance		Financial impact due to TDR taken as additional provision		Number that defaulted during the period		Recorded investment of TDRs that defaulted during the period		Financial impact due to the default of previous TDR taken as charge- offs or additional provisions
Mortgage loans on real estate:
Residential 1-4 family		1	$	163	$	162	$	—		—	$	—	$	—
Commercial		—		—		—		—		—		—		—
Total mortgage loans on real estate		1		163		162		—		—		—		—
Consumer:
Home equity lines of credit		—		—		—		—		—		—		—
Home equity loans		1		121		120		1		—		—		—
Other		—		—		—		—		—		—		—
Total consumer loans		1		121		120		1		—		—		—
Commercial		2		15		15		—		1		7		—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total		4	$	299	$	297	$	1		1	$	7	$	—

	TDR Information for the Three Months Ended March 31, 2018
(dollars in thousands)	Number		Pre-mod outstanding principal balance		Post-mod outstanding principal balance		Financial impact due to TDR taken as additional provision		Number that defaulted during the period		Recorded investment of TDRs that defaulted during the period		Financial impact due to the default of previous TDR taken as charge- offs or additional provisions
Mortgage loans on real estate:
Residential 1-4 family		—	$	—	$	—	$	—		—	$	—	$	—
Commercial		1		384		384		11		1		169		—
Total mortgage loans on real estate		1		384		384		11		1		169		—
Consumer:
Home equity lines of credit		1		133		138		—		—		—		—
Home equity loans		1		121		121		—		—		—		—
Other		—		—		—		—		—		—		—
Total consumer loans		2		254		259		—		—		—		—
Commercial		—		—		—		—		—		—		—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total		3	$	638	$	643	$	11		1	$	169	$	—

Modifications classified as TDRs can include one or a combination of the following: rate modifications, term extensions, interest only modifications, either temporary or long-term, payment modifications, and collateral substitutions/additions.

For all new TDRs, an impairment analysis is conducted. If the loan is determined to be collateral dependent, any additional amount of impairment will be calculated based on the difference between estimated collectible value and the current carrying balance of the loan. This difference could result in an increased provision and is typically charged off. If the asset is determined not to be collateral dependent, the impairment is measured on the net present value difference between the expected cash flows of the restructured loan and the cash flows which would have been received under the original terms. The effect of this could result in a requirement for additional provision to the reserve. The effect of these required provisions for the period are indicated above.

Typically if a TDR defaults during the period, the loan is then considered collateral dependent and, if it was not already considered collateral dependent, an appropriate provision will be reserved or charge will be taken. The additional provisions required resulting from default of previously modified TDR’s are noted above.

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Leases

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Leases

Note 6 – Leases

The Company adopted ASU 2016-02 “Leases” (Topic 842) as of January 1, 2019, which requires the Company to record a right-of-use asset (“ROUA”) on the consolidated balance sheets for those leases that convey rights to control use of identified assets for a period of time in exchange for consideration. The Company is also required to record a lease liability on the consolidated balance sheets for the present value of future payment commitments. All of the Company’s leases are comprised of operating leases in which the Company is lessee of real estate property for branches, ATM locations, and general administration and operations. The Company elected not to include short-term leases (i.e. leases with initial terms of twelve months or less) within the ROUA and lease liability. Known or determinable adjustments to the required minimum future lease payments were included in the calculation of the Company’s ROUA and lease liability. Adjustments to the required minimum future lease payments that are variable and will not be determinable until a future period, such as changes in the consumer price index, are included as variable lease costs. Additionally, expected variable payments for common area maintenance, taxes and insurance were unknown and not determinable at lease commencement and therefore, were not included in the determination of the Company’s ROUA or lease liability.

The value of the ROUA and lease liability is impacted by the amount of the periodic payment required, length of the lease term, and the discount rate used to calculate the present value of the minimum lease payments. The Company’s lease agreements often include one or more options to renew at the Company’s discretion. If at lease inception, the Company considers the exercising of a renewal option to be reasonably certain, the Company will include the extended term in the calculation of the ROU asset and lease liability. Topic 842 requires the use of the rate implicit in the lease whenever this rate is readily determinable. As this rate is rarely determinable, the Company utilizes its incremental borrowing rate at lease inception, on a collateralized basis, over a similar term. For operating leases existing prior to January 1, 2019, the rate for the remaining lease term as of January 1, 2019 was used. The lease liability is reduced based on the discounted present value of remaining payments as of each reporting period. The ROUA value is measured using the amount of lease liability and adjusted for prepaid or accrued lease payments, remaining lease incentives, unamortized direct costs (if any), and impairment (if any).

The following table presents the components of lease expense for the three months ended March 31 2019:

	Three months ended
(in thousands)	March 31, 2019
Operating lease cost	$	1,311
Short-term lease cost		71
Variable lease cost		(5	)
Sublease income		(34	)
Total lease cost	$	1,343

Prior to the adoption of ASU 2016-02, rent expense under operating leases was $921,000 during the three months ended March 31, 2018. Rent expense was offset by rent income of $10,000 during the three months ended March 31, 2018.

The following table presents supplemental cash flow information related to leases for the three months ended March 31, 2019:

	Three months ended
(in thousands)	March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,218
ROUA obtained in exchange for operating lease liabilities	$	32,006

The following table presents the weighted average operating lease term and discount rate at March 31, 2019:

As of March 31, 2019:
Weighted-average remaining lease term	9.5 years
Weighted-average discount rate	3.17	%

At March 31, 2019, future expected operating lease payments are as follows:

(in thousands)
Periods ending December 31,
2019	$	3,519
2020		4,380
2021		4,226
2022		3,887
2023		3,208
Thereafter		16,455
		35,675
Discount for present value of expected cash flows		(5,471	)
Lease liability at March 31, 2019	$	30,204

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Deposits

3 Months Ended

Mar. 31, 2019

Banking and Thrift [Abstract]

Deposits

Note 7 - Deposits

A summary of the balances of deposits follows (in thousands):

	March 31,		December 31,
	2019		2018
Noninterest-bearing demand	$	1,761,559	$	1,760,580
Interest-bearing demand		1,297,672		1,252,366
Savings		1,925,168		1,921,324
Time certificates, $250,000 and above		135,716		132,429
Other time certificates		310,147		299,767
Total deposits	$	5,430,262	$	5,366,466

Certificate of deposit balances of $50,000,000 and $60,000,000 from the State of California were included in time certificates, over $250,000, at March 31, 2019 and December 31, 2018, respectively. The Company participates in a deposit program offered by the State of California whereby the State may make deposits at the Company’s request subject to collateral and credit worthiness constraints. The negotiated rates on these State deposits are generally more favorable than other wholesale funding sources available to the Company. Overdrawn deposit balances of $1,207,000 and $1,469,000 were classified as consumer loans at March 31, 2019 and December 31, 2018, respectively.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Note 8 - Commitments and Contingencies

The following table presents a summary of the Bank’s commitments and contingent liabilities:

(in thousands)	March 31, 2019		December 31, 2018
Financial instruments whose amounts represent risk:
Commitments to extend credit:
Commercial loans	$	316,382	$	306,191
Consumer loans		514,413		496,575
Real estate mortgage loans		163,733		140,292
Real estate construction loans		232,385		248,996
Standby letters of credit		11,743		11,346
Deposit account overdraft privilege		115,552		111,956

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Shareholders' Equity

3 Months Ended

Mar. 31, 2019

Federal Home Loan Banks [Abstract]

Shareholders' Equity

Note 9 – Shareholders’ Equity

Dividends Paid

The Bank paid to the Company cash dividends in the aggregate amounts of $8,114,000 and $4,372,000 during the three months ended March 31, 2019 and 2018, respectively. The Bank is regulated by the Federal Deposit Insurance Corporation (FDIC) and the State of California Department of Business Oversight (DBO). Absent approval from the Commissioner of the DBO, California banking laws generally limit the Bank’s ability to pay dividends to the lesser of (1) retained earnings or (2) net income for the last three fiscal years, less cash distributions paid during such period.

Stock Repurchase Plan

On August 21, 2007, the Board of Directors adopted a plan to repurchase, as conditions warrant, up to 500,000 shares of the Company’s common stock on the open market. The timing of purchases and the exact number of shares to be purchased will depend on market conditions. This stock repurchase plan has no expiration date. As of March 31, 2019, the Company had repurchased 196,566 shares under this plan. During the three month periods ended March 31, 2019 and 2018, there were no shares of common stock repurchased under this plan.

Stock Repurchased Under Equity Compensation Plans

During the three months ended March 31, 2019 and 2018, employees tendered 16,418 and 134 shares, respectively, of the Company’s common stock with market value of $647,000, and $4,000, respectively, in lieu of cash to exercise options to purchase shares of the Company’s stock and to pay income taxes related to equity compensation plan instruments as permitted by the Company’s shareholder-approved equity compensation plans. The tendered shares were retired. The market value of tendered shares is the last market trade price at closing on the day an option is exercised. Stock repurchased under equity incentive plans are not included in the total of stock repurchased under the stock repurchase plan announced on August 21, 2007.

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Stock Options and Other Equity-Based Incentive Instruments

3 Months Ended

Mar. 31, 2019

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

Stock Options and Other Equity-Based Incentive Instruments

Note 10 - Stock Options and Other Equity-Based Incentive Instruments

Stock option activity during the three months ended March 31, 2019 is summarized in the following table:

	Number of Shares			Option Price per Share		Weighted  Average Exercise Price
Outstanding at December 31, 2018		343,000			$12.63 to $23.21	$	16.67
Options granted		—			— to —		—
Options exercised		(41,000	)		$12.63 to $19.46		15.78
Options forfeited		—			— to —		—
Outstanding at March 31, 2019		302,000			$14.54 to $23.21	$	16.88

The following table shows the number, weighted-average exercise price, intrinsic value, and weighted average remaining contractual life of options exercisable, options not yet exercisable and total options outstanding as of March 31, 2019:

	Currently Exercisable		Currently Not Exercisable		Total Outstanding
Number of options		300,875		1,125		302,000
Weighted average exercise price	$	16.86	$	23.21	$	16.88
Intrinsic value (in thousands)	$	5,095	$	12	$	5,107
Weighted average remaining contractual term (yrs.)		3.4		5.8		3.4

The 1,125 options that are currently not exercisable as of March 31, 2019 are expected to vest, on a weighted-average basis, over the next six months. The Company did not modify any option grants during 2018 or the three months ended March 31, 2019.

Restricted stock unit (RSU) activity is summarized in the following table for the dates indicated:

	Service Condition Vesting RSUs			Market Plus Service Condition Vesting RSUs
Outstanding at December 31, 2018		66,947			45,536
RSUs granted		—			—
RSUs added through dividend credits		322			—
RSUs released		(355	)		—
RSUs forfeited/expired		—			—
Outstanding at March 31, 2019		66,914			45,536

The 66,914 of service condition vesting RSUs outstanding as of March 31, 2019 include a feature whereby each RSU outstanding is credited with a dividend amount equal to any common stock cash dividend declared and paid, and the credited amount is divided by the closing price of the Company’s stock on the dividend payable date to arrive at an additional amount of RSUs outstanding under the original grant. The dividend credits follow the same vesting requirements as the RSU awards and are not considered participating securities. The 66,914 of service condition vesting RSUs outstanding as of March 31, 2019 are expected to vest, and be released, on a weighted-average basis, over the next 1.2 years. The Company expects to recognize $1,465,000 of pre-tax compensation costs related to these service condition vesting RSUs between March 31, 2019 and their vesting dates. The Company did not modify any service condition vesting RSUs during 2018 or during the three months ended March 31, 2019.

The 45,536 of market plus service condition vesting RSUs outstanding as of March 31, 2019 are expected to vest, and be released, on a weighted-average basis, over the next 1.2 years. The Company expects to recognize $633,000 of pre-tax compensation costs related to these RSUs between March 31, 2019 and their vesting dates. As of March 31, 2019, the number of market plus service condition vesting RSUs outstanding that will actually vest, and be released, may be reduced to zero or increased to 68,304 depending on the total return of the Company’s common stock versus the total return of an index of bank stocks from the grant date to the vesting date. The Company did not modify any market plus service condition vesting RSUs during 2018 or during the three months ended March 31, 2019.

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Noninterest Income and Expense

3 Months Ended

Mar. 31, 2019

Other Income and Expenses [Abstract]

Noninterest Income and Expense

Note 11 - Noninterest Income and Expense

The following table summarizes the Company’s noninterest income for the periods indicated:

	Three months ended March 31,
(dollars in thousands)	2019			2018
ATM and interchange fees	$	4,581		$	4,235
Service charges on deposit accounts		3,880			3,779
Other service fees		771			714
Mortgage banking service fees		483			517
Change in value of mortgage servicing rights		(645	)		111
Total service charges and fees		9,070			9,356
Increase in cash value of life insurance		775			608
Asset management and commission income		642			876
Gain on sale of loans		412			626
Lease brokerage income		220			128
Sale of customer checks		140			101
Gain on sale of foreclosed assets		99			371
Gain (loss) on marketable equity securities		36			(48	)
Loss on disposal of fixed assets		(38	)		(13	)
Other		508			285
Total other noninterest income		2,794			2,934
Total noninterest income	$	11,864		$	12,290

The components of noninterest expense were as follows (in thousands):

	Three months ended March 31,
	2019		2018
Base salaries, net of deferred loan origination costs	$	16,757	$	13,962
Incentive compensation		2,567		2,452
Benefits and other compensation costs		5,804		5,238
Total salaries and benefits expense		25,128		21,652
Occupancy		3,774		2,681
Data processing and software		3,349		2,514
Equipment		1,867		1,551
Intangible amortization		1,431		339
Advertising		1,331		838
ATM and POS network charges		1,323		1,226
Professional fees		839		773
Telecommunications		797		701
Regulatory assessments and insurance		511		430
Merger and acquisition expense		—		476
Postage		310		358
Operational losses		225		294
Courier service		270		267
Other miscellaneous expense		4,358		4,062
Total other noninterest expense		20,385		16,510
Total noninterest expense	$	45,513	$	38,162

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Earnings Per Share

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Earnings Per Share

Note 12 – Earnings Per Share

Basic earnings per share represent income available to common shareholders divided by the weighted-average number of common shares outstanding during the period. Diluted earnings per share reflect additional common shares that would have been outstanding if dilutive potential common shares had been issued, as well as any adjustments to income that would result from assumed issuance. Potential common shares that may be issued by the Company relate from outstanding stock options and restricted stock units (RSUs), and are determined using the treasury stock method. Earnings per share have been computed based on the following:

	Three months ended March 31,
(in thousands)	2019		2018
Net income	$	22,726	$	13,910
Average number of common shares outstanding		30,424		22,956
Effect of dilutive stock options and restricted stock		234		327
Average number of common shares outstanding used to calculate diluted earnings per share		30,658		23,283
Options excluded from diluted earnings per share because the effect of these options was antidilutive		—		—

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Comprehensive Income

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Comprehensive Income

Note 13 – Comprehensive Income

Accounting principles generally require that recognized revenue, expenses, gains and losses be included in net income. Although certain changes in assets and liabilities, such as unrealized gains and losses on available-for-sale securities, are reported as a separate component of the equity section of the balance sheet, such items, along with net income, are components of other comprehensive income.

The components of other comprehensive income (loss) and related tax effects are as follows:

	Three months ended March 31,
(in thousands)	2019			2018
Unrealized holding gains (losses) on available for sale securities before reclassifications		12,710		$	(15,265	)
Amounts reclassified out of accumulated other comprehensive income:
Adoption ASU 2016-01		—			62
Adoption ASU 2018-02		—			(425	)
Total amounts reclassified out of accumulated other comprehensive income		—			(363	)
Unrealized holding gains (losses) on available for sale securities after reclassifications		12,710			(15,628	)
Tax effect		(3,758	)		4,602
Unrealized holding gains (losses) on available for sale securities, net of tax		8,952			(11,026	)
Change in unfunded status of the supplemental retirement plans before reclassifications		(89	)		667
Amounts reclassified out of accumulated other comprehensive income:
Amortization of prior service cost		(13	)		(13	)
Amortization of actuarial losses		102			127
Adoption ASU 2018-02		—			(668	)
Total amounts reclassified out of accumulated other comprehensive income		89			(554	)
Change in unfunded status of the supplemental retirement plans after reclassifications		—			113
Tax effect		—			(33	)
Change in unfunded status of the supplemental retirement plans, net of tax		—			80
Total other comprehensive income (loss)	$	8,952		$	(10,946	)

The components of accumulated other comprehensive loss, included in shareholders’ equity, are as follows:

(in thousands)	March 31, 2019			December 31, 2018
Net unrealized loss on available for sale securities	$	(8,264	)	$	(20,974	)
Tax effect		2,443			6,201
Unrealized holding loss on available for sale securities, net of tax		(5,821	)		(14,773	)
Unfunded status of the supplemental retirement plans		(4,802	)		(4,802	)
Tax effect		1,420			1,420
Unfunded status of the supplemental retirement plans, net of tax		(3,382	)		(3,382	)
Joint beneficiary agreement liability		276			276
Tax effect		—			—
Joint beneficiary agreement liability, net of tax		276			276
Accumulated other comprehensive loss	$	(8,927	)	$	(17,879	)

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Fair Value Measurement

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Fair Value Measurement

Note 14 - Fair Value Measurement

The Company utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. In estimating fair value, the Company utilizes valuation techniques that are consistent with the market approach, income approach, and/or the cost approach. Inputs to valuation techniques include the assumptions that market participants would use in pricing an asset or liability including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset and the risk of nonperformance. Marketable equity securities, debt securities available-for-sale, loans held for sale, and mortgage servicing rights are recorded at fair value on a recurring basis. Additionally, from time to time, the Company may be required to record at fair value other assets on a nonrecurring basis, such loans held for investment and certain other assets. These nonrecurring fair value adjustments typically involve application impairment write-downs of individual assets.

The Company groups assets and liabilities at fair value in three levels, based on the markets in which the assets and liabilities are traded and the observable nature of the assumptions used to determine fair value. These levels are:

Level 1 - Valuation is based upon quoted prices for identical instruments traded in active markets.

Level 2 - Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market.

Level 3 - Valuation is generated from model-based techniques that use at least one significant assumption not observable in the market. These unobservable assumptions reflect estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques.

Marketable equity securities and debt securities available for sale – Marketable equity securities and debt securities available for sale are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security’s credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, U.S. Treasury securities that are traded by dealers or brokers in active over-the-counter markets and money market funds. Level 2 securities include mortgage-backed securities issued by government sponsored entities, municipal bonds and corporate debt securities. The Company had no securities classified as Level 3 during any of the periods covered in these financial statements.

Loans held for sale – Loans held for sale are carried at the lower of cost or fair value. The fair value of loans held for sale is based on what secondary markets are currently offering for loans with similar characteristics. As such, we classify those loans subjected to recurring fair value adjustments as Level 2.

Impaired originated and PNCI loans – Originated and PNCI loans are not recorded at fair value on a recurring basis. However, from time to time, an originated or PNCI loan is considered impaired and an allowance for loan losses is established. Originated and PNCI loans for which it is probable that payment of interest and principal will not be made in accordance with the original contractual terms of the loan agreement are considered impaired. The fair value of an impaired originated or PNCI loan is estimated using one of several methods, including collateral value, fair value of similar debt, enterprise value, liquidation value and discounted cash flows. Those impaired originated and PNCI loans not requiring an allowance represent loans for which the fair value of the expected repayments or collateral exceed the recorded investments in such loans. Impaired originated and PNCI loans where an allowance is established based on the fair value of collateral require classification in the fair value hierarchy. When the fair value of the collateral is based on an observable market price or a current appraised value which uses substantially observable data, the Company records the impaired originated or PNCI loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value, or the appraised value contains a significant unobservable assumption, such as deviations from comparable sales, and there is no observable market price, the Company records the impaired originated or PNCI loan as nonrecurring Level 3.

Foreclosed assets - Foreclosed assets include assets acquired through, or in lieu of, loan foreclosure. Foreclosed assets are held for sale and are initially recorded at fair value at the date of foreclosure, establishing a new cost basis. Subsequent to foreclosure, management periodically performs valuations and the assets are carried at the lower of carrying amount or fair value less cost to sell. When the fair value of foreclosed assets is based on an observable market price or a current appraised value which uses substantially observable data, the Company records the impaired originated loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value, or the appraised value contains a significant unobservable assumption, such as deviations from comparable sales, and there is no observable market price, the Company records the foreclosed asset as nonrecurring Level 3. Revenue and expenses from operations and changes in the valuation allowance are included in other noninterest expense.

Mortgage servicing rights - Mortgage servicing rights are carried at fair value. A valuation model, which utilizes a discounted cash flow analysis using a discount rate and prepayment speed assumptions is used in the computation of the fair value measurement. While the prepayment speed assumption is currently quoted for comparable instruments, the discount rate assumption currently requires a significant degree of management judgment and is therefore considered an unobservable input. As such, the Company classifies mortgage servicing rights subjected to recurring fair value adjustments as Level 3.

The table below presents the recorded amount of assets and liabilities measured at fair value on a recurring basis (in thousands):

	Total		Level 1		Level 2		Level 3
Fair value at March 31, 2019
Marketable equity securities	$	2,910	$	2,910	$	—	$	—
Debt securities available for sale:
Obligations of U.S. government corporations and agencies		627,100		—		627,100		—
Obligations of states and political subdivisions		129,349		—		129,349		—
Corporate bonds		4,478		—		4,478		—
Asset backed securities		352,589		—		352,589		—
Loans held for sale		5,410		—		5,410		—
Mortgage servicing rights		6,572		—		—		6,572
Total assets measured at fair value	$	1,128,408	$	2,910	$	1,118,926	$	6,572

	Total		Level 1		Level 2		Level 3
Fair value at December 31, 2018
Marketable equity securities	$	2,874	$	2,874	$	—	$	—
Debt securities available for sale:
Obligations of U.S. government corporations and agencies		629,981		—		629,981		—
Obligations of states and political subdivisions		126,072		—		126,072		—
Corporate bonds		4,478		—		4,478		—
Asset backed securities		354,505		—		354,505		—
Loans held for sale		3,687		—		3,687		—
Mortgage servicing rights		7,098		—		—		7,098
Total assets measured at fair value	$	1,128,695	$	2,874	$	1,118,723	$	7,098

Transfers between levels of the fair value hierarchy are recognized on the actual date of the event or circumstances that caused the transfer, which generally corresponds with the Company’s quarterly valuation process. There were no transfers between any levels during the three months ended March 31, 2019 or the year ended December 31, 2018.

The following table provides a reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the time periods indicated. Had there been any transfer into or out of Level 3 during the time periods indicated, the amount included in the “Transfers into (out of) Level 3” column would represent the beginning balance of an item in the period (interim quarter) during which it was transferred (in thousands):

	Beginning Balance		Transfers into (out of) Level 3		Change Included in Earnings			Issuances		Ending Balance
Three months ended March 31,
2019: Mortgage servicing rights	$	7,098		—	$	(645	)	$	119	$	6,572
2018: Mortgage servicing rights	$	6,687		—	$	111		$	155	$	6,953

The key unobservable inputs used in determining the fair value of mortgage servicing rights are mortgage prepayment speeds and the discount rate used to discount cash projected cash flows. Generally, any significant increases in the mortgage prepayment speed and discount rate utilized in the fair value measurement of the mortgage servicing rights will result in a negative fair value adjustments (and decrease in the fair value measurement). Conversely, a decrease in the mortgage prepayment speed and discount rate will result in a positive fair value adjustment (and increase in the fair value measurement).

The following table presents quantitative information about recurring Level 3 fair value measurements at March 31, 2019 and December 31, 2018:

	Fair Value (in thousands)		Valuation Technique		Unobservable Inputs		Range, Weighted Average
As of March 31, 2019:
Mortgage Servicing Rights	$	6,572		Discounted cash flow		Constant prepayment rate		5.4% - 27.1%; 8.9%
						Discount rate		12% - 13%; 12%
As of December 31, 2018:
Mortgage Servicing Rights	$	7,098		Discounted cash flow		Constant prepayment rate		5.0% - 27.3%; 7.6%
						Discount rate		12% - 13%; 12%

The tables below present the recorded investment in assets and liabilities measured at fair value on a nonrecurring basis, as of the dates indicated (in thousands):

	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Three months ended March 31, 2019
Fair value:
Impaired Originated & PNCI loans	$	212		—		—	$	212	$	(197	)
Foreclosed assets		214		—		—		214		98
Total assets measured at fair value	$	426		—		—	$	426	$	(99	)

	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Year ended December 31, 2018
Fair value:
Impaired Originated & PNCI loans	$	281		—		—	$	281	$	(294	)
Foreclosed assets		1,311		—		—		1,311		(8	)
Total assets measured at fair value	$	1,592		—		—	$	1,592	$	(302	)

	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Three months ended March 31, 2018
Fair value:
Impaired Originated & PNCI loans	$	2,103		—		—	$	2,103	$	(795	)
Foreclosed assets		774		—		—		774		(87	)
Total assets measured at fair value	$	2,877		—		—	$	2,877	$	(882	)

The impaired originated and PNCI loan amount above represents impaired, collateral dependent loans that have been adjusted to fair value. When the Company identifies a collateral dependent loan as impaired, the Company measures the impairment using the current fair value of the collateral, less selling costs. Depending on the characteristics of a loan, the fair value of collateral is generally estimated by obtaining external appraisals. If the Company determines that the value of the impaired loan is less than the recorded investment in the loan, the Company recognizes this impairment and adjust the carrying value of the loan to fair value through the allowance for loan and lease losses. The loss represents charge-offs or impairments on collateral dependent loans for fair value adjustments based on the fair value of collateral. The carrying value of loans fully charged-off is zero.

The foreclosed assets amount above represents impaired real estate that has been adjusted to fair value. Foreclosed assets represent real estate which the Company has taken control of in partial or full satisfaction of loans. At the time of foreclosure, other real estate owned is recorded at fair value less costs to sell, which becomes the property’s new basis. Any write-downs based on the asset’s fair value at the date of acquisition are charged to the allowance for loan and lease losses. After foreclosure, management periodically performs valuations such that the real estate is carried at the lower of its new cost basis or fair value, net of estimated costs to sell. Fair value adjustments on other real estate owned are recognized within net loss on real estate owned. The loss represents impairments on real estate owned for fair value adjustments based on the fair value of the real estate.

The Company’s property appraisals are primarily based on the sales comparison approach and income approach methodologies, which consider recent sales of comparable properties, including their income generating characteristics, and then make adjustments to reflect the general assumptions that a market participant would make when analyzing the property for purchase. These adjustments may increase or decrease an appraised value and can vary significantly depending on the location, physical characteristics and income producing potential of each property. Additionally, the quality and volume of market information available at the time of the appraisal can vary from period to period and cause significant changes to the nature and magnitude of comparable sale adjustments. Given these variations, comparable sale adjustments are generally not a reliable indicator for how fair value will increase or decrease from period to period. Under certain circumstances, management discounts are applied based on specific characteristics of an individual property.

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis at March 31, 2019:

	Fair Value (in thousands)		Valuation Technique		Unobservable Inputs		Range, Weighted Average
March 31, 2019
Impaired Originated & PNCI loans	$	212		Sales comparison approach		Adjustment for differences between comparable sales		Not meaningful
				Income approach		Capitalization rate		N/A
Foreclosed assets (Residential real estate)	$	214		Sales comparison approach		Adjustment for differences between comparable sales		Not meaningful

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis at December 31, 2018:

	Fair Value (in thousands)		Valuation Technique		Unobservable Inputs		Range, Weighted Average
December 31, 2018
Impaired Originated & PNCI loans	$	281		Sales comparison approach		Adjustment for differences between comparable sales		(16.3%) - 35.14%; 10.45%
				Income approach		Capitalization rate		N/A
Foreclosed assets (Residential real estate)	$	693		Sales comparison approach		Adjustment for differences between comparable sales		(21.83%) - 7.25%; (3.75%)
Foreclosed assets (Commercial real estate)	$	618		Sales comparison approach		Adjustment for differences between comparable sales		(65%) - 20%; (45%)

Fair values for financial instruments are management’s estimates of the values at which the instruments could be exchanged in a transaction between willing parties. The Company uses the exit price notion when measuring the fair value of financial instruments. These estimates are subjective and may vary significantly from amounts that would be realized in actual transactions. In addition, other significant assets are not considered financial assets including, any mortgage banking operations, deferred tax assets, and premises and equipment. Further, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on the fair value estimates and have not been considered in any of these estimates.

	March 31, 2019				December 31, 2018
(in thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
Level 1 inputs:
Cash and due from banks	$	105,103	$	105,103	$	119,781	$	119,781
Cash at Federal Reserve and other banks		213,605		213,605		107,752		107,752
Level 2 inputs:
Securities held to maturity		431,016		430,773		444,936		437,370
Restricted equity securities		17,250		N/A		17,250		N/A
Loans held for sale		5,410		5,410		3,687		4,616
Level 3 inputs:
Loans, net		4,002,267		4,053,496		3,989,432		4,006,986
Financial liabilities:
Level 2 inputs:
Deposits		5,430,262		5,427,004		5,366,466		5,362,173
Other borrowings		12,466		12,466		15,839		15,839
Level 3 inputs:
Junior subordinated debt		57,085		56,180		57,042		62,610

(in thousands)	Contract Amount		Fair Value		Contract Amount		Fair Value
Off-balance sheet:
Level 3 inputs:
Commitments	$	1,226,913	$	12,269	$	1,192,054	$	11,921
Standby letters of credit		11,743		117		11,346		113
Overdraft privilege commitments		115,552		1,156		111,956		1,120

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Regulatory Matters

3 Months Ended

Mar. 31, 2019

Banking and Thrift [Abstract]

Regulatory Matters

Note 15 - Regulatory Matters

The Company is subject to various regulatory capital requirements administered by federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material effect on the Company’s consolidated financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Company must meet specific capital guidelines that involve quantitative measures of the Company’s assets, liabilities and certain off-balance-sheet items as calculated under regulatory accounting practices. The Company’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings and other factors.

Quantitative measures established by regulation to ensure capital adequacy require the Company to maintain minimum amounts and ratios (set forth in the table below) of total, Tier 1, and common equity Tier 1capital to risk-weighted assets, and of Tier 1 capital to average assets. The following tables present actual and required capital ratios as of March 31, 2019 and December 31, 2018 for the Company and the Bank under applicable Basel III Capital Rules. The minimum capital amounts presented include the minimum required capital levels as of March 31, 2019 and December 31, 2018 based on the then phased-in provisions of the Basel III Capital Rules. As of January 1, 2019, the minimum required capital levels of the Basel III Capital Rules have been fully phased-in. Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules.

						Minimum Capital					Required to be
						Required – Basel III					Considered Well
	Actual					Fully Phased In					Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of March 31, 2019:
Total Capital (to Risk Weighted Assets):
Consolidated	$	700,542		14.73	%	$	449,380		10.50	%		N/A		N/A
Tri Counties Bank	$	697,549		14.67	%	$	499,195		10.50	%	$	475,424		10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	665,688		14.00	%	$	404,260		8.50	%		N/A		N/A
Tri Counties Bank	$	662,695		13.94	%	$	404,111		8.50	%	$	380,339		8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	610,317		12.83	%	$	332,920		7.00	%		N/A		N/A
Tri Counties Bank	$	662,695		13.94	%	$	332,797		7.00	%	$	309,026		6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	665,688		10.84	%	$	245,649		4.00	%		N/A		N/A
Tri Counties Bank	$	662,695		10.79	%	$	245,643		4.00	%	$	307,054		5.00	%

						Minimum Capital					Minimum Capital					Required to be
						Required – Basel III					Required – Basel III					Considered Well
	Actual					Phase-in Schedule					Fully Phased In					Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of December 31, 2018:
Total Capital (to Risk Weighted Assets):
Consolidated	$	682,419		14.40	%	$	467,874		9.875	%	$	497,486		10.50	%		N/A		N/A
Tri Counties Bank	$	680,624		14.37	%	$	467,704		9.875	%	$	497,305		10.50	%	$	473,624		10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	647,262		13.66	%	$	373,115		7.875	%	$	402,727		8.50	%		N/A		N/A
Tri Counties Bank	$	645,467		13.63	%	$	372,979		7.875	%	$	402,581		8.50	%	$	378,899		8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	591,933		12.49	%	$	302,045		6.375	%	$	331,658		7.00	%		N/A		N/A
Tri Counties Bank	$	645,467		13.63	%	$	301,935		6.375	%	$	331,537		7.00	%	$	307,856		6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	647,262		10.68	%	$	242,452		4.000	%	$	242,452		4.00	%		N/A		N/A
Tri Counties Bank	$	645,467		10.65	%	$	242,447		4.000	%	$	242,447		4.00	%	$	303,059		5.00	%

As of March 31, 2019 and December 31, 2018, capital levels at the Company and the Bank exceed all capital adequacy requirements under the Basel III Capital Rules. Also, at March 31, 2019 and December 31, 2018, the Bank’s capital levels exceeded the minimum amounts necessary to be considered well capitalized under the current regulatory framework for prompt corrective action.

The Basel III Capital Rules require for all banking organizations to maintain a capital conservation buffer above the minimum risk-based capital requirements in order to avoid certain limitations on capital distributions, stock repurchases and discretionary bonus payments to executive officers. The capital conservation buffer is exclusively composed of common equity tier 1 capital, and it applies to each of the risk-based capital ratios but not the leverage ratio. At March 31, 2019, the Company and the Bank are in compliance with the capital conservation buffer requirement.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Description of Business and Basis of Presentation

Description of Business and Basis of Presentation

TriCo Bancshares (the “Company” or “we”) is a California corporation organized to act as a bank holding company for Tri Counties Bank (the “Bank”). The Company and the Bank are headquartered in Chico, California. The Bank is a California-chartered bank that is engaged in the general commercial banking business in 29 California counties. The Company has five capital subsidiary business trusts (collectively, the “Capital Trusts”) that issued trust preferred securities, including two organized by the Company and three acquired with the acquisition of North Valley Bancorp.

The consolidated financial statements are prepared in accordance with accounting policies generally accepted in the United States of America and general practices in the banking industry. All adjustments necessary for a fair presentation of these consolidated financial statements have been included and are of a normal and recurring nature. The financial statements include the accounts of the Company. All inter-company accounts and transactions have been eliminated in consolidation. For financial reporting purposes, the Company’s investments in the Capital Trusts of $1,714,000 are accounted for under the equity method and, accordingly, are not consolidated and are included in other assets on the consolidated balance sheet. The subordinated debentures issued and guaranteed by the Company and held by the Capital Trusts are reflected as debt on the Company’s consolidated balance sheet.

Use of Estimates in the Preparation of Financial Statements

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018 (the “2018 Annual Report”). The Company believes that the disclosures made are adequate to make the information not misleading.

Segment and Significant Group Concentration of Credit Risk

Segment and Significant Group Concentration of Credit Risk

The Company grants agribusiness, commercial, consumer, and residential loans to customers located throughout northern and central California. The Company has a diversified loan portfolio within the business segments located in this geographical area. The Company currently classifies all its operation into one business segment that it denotes as community banking.

Geographical Descriptions

Geographical Descriptions

For the purpose of describing the geographical location of the Company’s operations, the Company has defined northern California as that area of California north of, and including, Stockton to the east and San Jose to the west; central California as that area of the state south of Stockton and San Jose, to and including, Bakersfield to the east and San Luis Obispo to the west; and southern California as that area of the state south of Bakersfield and San Luis Obispo.

Cash and Cash Equivalents

Cash and Cash Equivalents

Net cash flows are reported for loan and deposit transactions and other borrowings. For purposes of the consolidated statement of cash flows, cash, due from banks with original maturities less than 90 days, interest-earning deposits in other banks, and Federal funds sold are considered to be cash equivalents.

Accounting Standards Adopted in 2019

Accounting Standards Adopted in 2019

The Financial Accounting Standards Board (“FASB”) issued ASU No. 2016-02, Leases (Topic 842). ASU 2016-02, which among other things, requires lessees to recognize most leases on-balance sheet, increasing reported assets and liabilities. Lessor accounting remains substantially similar to current U.S. GAAP. The FASB has issued incremental guidance to Topic 842 standard through ASU No. 2018-11, 2018-20, and 2019-01. The Company has elected to use the transition relief approach as provided in ASU 2018-11, which permits the Company to use January 1, 2019 as both the application date and the adoption date, rather than the modified retrospective approach which would have required an application date of January 1, 2017 and adoption date of January 1, 2019. The Company also elected certain relief options offered within the new standard, which include the package of practical expedients, the option not to recognize a right-of-use asset (ROUA) and lease liability that arise from short-term leases (i.e. leases with terms of 12 months or less), and the option of hindsight when determining lease term. Substantially all of the Company’s lease agreements are considered operating leases and were not previously recognized on the Company’s balance sheets. As of January 1, 2019, the Company recorded a ROUA and corresponding lease liability for all applicable operating leases. While the guidance increased the Company’s gross assets and liabilities, the adoption of ASU 2016-02 did not have a material impact on the consolidated statements of income or the consolidated statements of cash flows. See Note 6 for more information.

The FASB issued ASU 2017-08, Receivables—Nonrefundable Fees and Other Costs (Topic 310). ASU 2017-08 shortens the amortization period for certain callable debt securities held at a premium to require such premiums to be amortized to the earliest call date unless applicable guidance related to certain pools of securities is applied to consider estimated prepayments. Under prior guidance, entities were generally required to amortize premiums on individual, non-pooled callable debt securities as a yield adjustment over the contractual life of the security. ASU 2017-08 does not change the accounting for callable debt securities held at a discount. ASU 2017-08 was effective for the Company on January 1, 2019, and did not have an impact on the Company’s consolidated financial statements.

Accounting Standards Pending Adoption

Accounting Standards Pending Adoption

The FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses (Topic 326). ASU 2016-13 is the final guidance on the new current expected credit loss (‘‘CECL’’) model. ASU 2016-13, among other things, requires the incurred loss impairment methodology in current GAAP be replaced with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to estimate future credit loss estimates. As CECL encompasses all financial assets carried at amortized cost, the requirement that reserves be established based on an organization’s reasonable and supportable estimate of expected credit losses extends to held to maturity (‘‘HTM’’) debt securities. ASU 2016-13 amends the accounting for credit losses on available-for-sale securities (‘‘AFS’’), whereby credit losses will be presented as an allowance as opposed to a write-down. In addition, CECL will modify the accounting for purchased loans with credit deterioration since origination, so that reserves are established at the date of acquisition for purchased loans. Lastly, ASU 2016-13 requires enhanced disclosures on the significant estimates and judgments used to estimate credit losses, as well as on the credit quality and underwriting standards of an organization’s portfolio. These disclosures require organizations to present the currently required credit quality disclosures disaggregated by the year of origination or vintage. ASU 2016-13 allows for a modified retrospective approach with a cumulative effect adjustment to the balance sheet upon adoption (charge to retained earnings instead of the income statement). ASU 2016-13 will be effective for the Company on January 1, 2020, and early adoption is permitted. While the Company is currently evaluating the provisions of ASU 2016-13 to determine the potential impact the new standard will have on the Company’s Consolidated Financial Statements, it has taken steps to prepare for the implementation when it becomes effective, such as forming an internal task force, gathering pertinent data, consulting with outside professionals, and evaluating its current IT systems. While detailed modeling efforts are ongoing, the validation of expected credit loss estimates will likely not be available until late in 2019. Management expects to recognize a one-time cumulative effect adjustment to the allowance for loan losses as of the first reporting period in which the new standard is effective, but cannot yet estimate the magnitude of the one-time adjustment or the overall impact of the new guidance on the Company’s financial position, results of operations or cash flows.

FASB issued ASU No. 2017-04, Intangibles—Goodwill and Other: Simplifying the Test for Goodwill Impairment (Topic 350): ASU 2017-04 eliminates step two of the goodwill impairment test (the hypothetical purchase price allocation used to determine the implied fair value of goodwill) when step one (determining if the carrying value of a reporting unit exceeds its fair value) is failed. Instead, entities simply will compare the fair value of a reporting unit to its carrying amount and record goodwill impairment for the amount by which the reporting unit’s carrying amount exceeds its fair value. ASU 2017-04 will be effective for the Company on January 1, 2020 and is not expected to have a significant impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU No. 2018-13, “Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement.” This ASU eliminates, adds and modifies certain disclosure requirements for fair value measurements. Among the changes, entities will no longer be required to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy, but will be required to disclose the range and weighted average used to develop significant unobservable inputs for Level 3 fair value measurements. ASU No. 2018-13 is effective for interim and annual reporting periods beginning after December 15, 2019; early adoption is permitted. Entities are also allowed to elect early adoption the eliminated or modified disclosure requirements and delay adoption of the new disclosure requirements until their effective date. As ASU No. 2018-13 only revises disclosure requirements, it will not have a significant impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU No. 2018-14, “Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans.” This ASU makes minor changes to the disclosure requirements for employers that sponsor defined benefit pension and/or other postretirement benefit plans. ASU 2018-14 is effective for fiscal years ending after December 15, 2020; early adoption is permitted. As ASU 2018-14 only revises disclosure requirements, it will not have a significant impact on the Company’s consolidated financial statements.

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Business Combinations (Tables)

3 Months Ended

Mar. 31, 2019

Business Combinations [Abstract]

Schedule of Fair Value of Consideration Transferred, Identifiable Net Assets Acquired and Resulting Goodwill

The following table summarizes the consideration paid for FNBB and the amounts of assets acquired and liabilities assumed that were recorded at the acquisition date (in thousands).

	FNB Bancorp
	July 6, 2018
Fair value of consideration transferred:
Fair value of shares issued	$	284,437
Cash consideration		6,695
Total fair value of consideration transferred		291,132
Assets acquired:
Cash and cash equivalents		37,308
Securities available for sale		335,667
Restricted equity securities		7,723
Loans		834,683
Premises and equipment		30,522
Cash value of life insurance		16,817
Core deposit intangible		27,605
Other assets		16,214
Total assets acquired		1,306,539
Liabilities assumed:
Deposits		991,935
Other liabilities		15,133
Short-term borrowings—Federal Home Loan Bank		165,000
Total liabilities assumed		1,172,068
Total net assets acquired		134,471
Goodwill recognized	$	156,661

Summary of Estimated Fair Value Adjustments Resulting in Goodwill

A summary of the estimated fair value adjustments resulting in the goodwill recorded in the FNB Bancorp acquisition are presented below (in thousands):

	FNB Bancorp
	July 6, 2018
Value of stock consideration paid to FNB Bancorp Shareholders	$	284,437
Cash consideration		6,695
Less:
Cost basis net assets acquired		114,030
Fair value adjustments:
Investments		(1,081	)
Loans		(22,390	)
Premises and Equipment		21,590
Core deposit intangible		27,327
Deferred income taxes		(6,394	)
Other		1,389
Goodwill	$	156,661

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2019

Investments Schedule [Abstract]

Amortized Cost and Estimated Fair Values of Investments Securities

The amortized cost and estimated fair values of investments in debt securities are summarized in the following tables:

	March 31, 2019
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	631,914	$	1,862	$	(6,676	)	$	627,100
Obligations of states and political subdivisions		128,706		1,242		(599	)		129,349
Corporate bonds		4,394		84		—			4,478
Asset backed securities		356,766		141		(4,318	)		352,589
Total debt securities available for sale	$	1,121,780	$	3,329	$	(11,593	)	$	1,113,516
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	416,418	$	2,190	$	(2,581	)	$	416,027
Obligations of states and political subdivisions		14,598		173		(25	)		14,746
Total debt securities held to maturity	$	431,016	$	2,363	$	(2,606	)	$	430,773

	December 31, 2018
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	647,288	$	771	$	(18,078	)	$	629,981
Obligations of states and political subdivisions		128,890		294		(3,112	)		126,072
Corporate bonds		4,381		97		—			4,478
Asset backed securities		355,451		73		(1,019	)		354,505
Total debt securities available for sale	$	1,136,010	$	1,235	$	(22,209	)	$	1,115,036
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	430,343	$	327	$	(7,745	)	$	422,925
Obligations of states and political subdivisions		14,593		82		(230	)		14,445
Total debt securities held to maturity	$	444,936	$	409	$	(7,975	)	$	437,370

Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity

For purposes of the following table, the entire outstanding balance of these mortgage-backed securities issued by U.S. government corporations and agencies is categorized based on final maturity date.

Debt Securities	Available for Sale				Held to Maturity
(In thousands)	Amortized		Estimated		Amortized		Estimated
	Cost		Fair Value		Cost		Fair Value
Due in one year	$	2,413	$	2,418	$	—	$	—
Due after one year through five years		10,584		10,798		1,246		1,260
Due after five years through ten years		18,130		18,624		23,944		23,899
Due after ten years		1,090,653		1,081,676		405,826		405,614
Totals	$	1,121,780	$	1,113,516	$	431,016	$	430,773

Gross Unrealized Losses on Investment Securities

Gross unrealized losses on debt securities and the fair value of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, were as follows:

	Less than 12 months					12 months or more					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	Value		Loss			Value		Loss			Value		Loss
March 31, 2019	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	481	$	(2	)	$	496,424	$	(6,674	)	$	496,905	$	(6,676	)
Obligations of states and political subdivisions		24,644		(598	)		566		(1	)		25,210		(599	)
Asset backed securities		330,078		(4,318	)		—		—			330,078		(4,318	)
Total debt securities available for sale	$	355,203	$	(4,918	)	$	496,990	$	(6,675	)	$	852,193	$	(11,593	)
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	—	$	—		$	224,551	$	(2,581	)	$	224,551	$	(2,581	)
Obligations of states and political subdivisions		—		—			5,891		(25	)		5,891		(25	)
Total debt securities held to maturity	$	—	$	—		$	230,442	$	(2,606	)	$	230,442	$	(2,606	)

	Less than 12 months					12 months or more					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	Value		Loss			Value		Loss			Value		Loss
December 31, 2018	(in thousands)
Debt Securities Available for Sale
Obligations of U.S. government agencies	$	171,309	$	(3,588	)	$	394,630	$	(14,490	)	$	565,939	$	(18,078	)
Obligations of states and political subdivisions		63,738		(1,541	)		20,719		(1,571	)		84,457		(3,112	)
Asset backed securities		101,386		(1,019	)		—		—			101,386		(1,019	)
Total debt securities available for sale	$	336,433	$	(6,148	)	$	415,349	$	(16,061	)	$	751,782	$	(22,209	)
Debt Securities Held to Maturity
Obligations of U.S. government agencies	$	223,810	$	(2,619	)	$	158,648	$	(5,126	)	$	382,458	$	(7,745	)
Obligations of states and political subdivisions		5,786		(114	)		4,042		(116	)		9,828		(230	)
Total debt securities held to maturity	$	229,596	$	(2,733	)	$	162,690	$	(5,242	)	$	392,286	$	(7,975	)

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Loans (Tables)

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Summary of Loan Balances

A summary of loan balances follows (in thousands):

	March 31, 2019
	Originated			PNCI			PCI			Total
Mortgage loans on real estate:
Residential 1-4 family	$	357,559		$	163,268		$	1,585		$	522,412
Commercial		1,929,508			671,397			6,022			2,606,927
Total mortgage loan on real estate		2,287,067			834,665			7,607			3,129,339
Consumer:
Home equity lines of credit		279,075			38,090			1,088			318,253
Home equity loans		31,245			3,356			436			35,037
Other		45,020			20,001			41			65,062
Total consumer loans		355,340			61,447			1,565			418,352
Commercial		227,314			39,295			2,554			269,163
Construction:
Residential		115,688			30,096			—			145,784
Commercial		64,576			7,117			—			71,693
Total construction		180,264			37,213			—			217,477
Total loans, net of deferred loan fees and discounts	$	3,049,985		$	972,620		$	11,726		$	4,034,331
Total principal balance of loans owed, net of charge-offs	$	3,059,398		$	1,007,678		$	18,376		$	4,085,452
Unamortized net deferred loan fees		(9,413	)		—			—			(9,413	)
Discounts to principal balance of loans owed, net of charge-offs		—			(35,058	)		(6,650	)		(41,708	)
Total loans, net of unamortized deferred loan fees and discounts	$	3,049,985		$	972,620		$	11,726		$	4,034,331
Allowance for loan losses	$	(31,088	)	$	(969	)	$	(7	)	$	(32,064	)

	December 31, 2018
	Originated			PNCI			PCI			Total
Mortgage loans on real estate:
Residential 1-4 family	$	343,796		$	169,792		$	1,674		$	515,262
Commercial		1,910,981			708,401			8,456			2,627,838
Total mortgage loan on real estate		2,254,777			878,193			10,130			3,143,100
Consumer:
Home equity lines of credit		284,453			40,957			1,167			326,577
Home equity loans		32,660			3,585			439			36,684
Other		34,020			21,659			42			55,721
Total consumer loans		351,133			66,201			1,648			418,982
Commercial		228,635			45,468			2,445			276,548
Construction:
Residential		90,703			30,593			—			121,296
Commercial		56,208			5,880			—			62,088
Total construction		146,911			36,473			—			183,384
Total loans, net of deferred loan fees and discounts	$	2,981,456		$	1,026,335		$	14,223		$	4,022,014
Total principal balance of loans owed, net of charge-offs	$	2,991,324		$	1,062,655		$	21,265		$	4,075,244
Unamortized net deferred loan fees		(9,868	)		—			—			(9,868	)
Discounts to principal balance of loans owed, net of charge-offs		—			(36,320	)		(7,042	)		(43,362	)
Total loans, net of unamortized deferred loan fees and discounts	$	2,981,456		$	1,026,335		$	14,223		$	4,022,014
Allowance for loan losses	$	(31,793	)	$	(667	)	$	(122	)	$	(32,582	)

Change in Accretable Yield for PCI

The following is a summary of the change in accretable yield for PCI during the periods indicated (in thousands):

	Three months ended March 31,
	2019			2018
Change in accretable yield:
Balance at beginning of period	$	6,059		$	6,137
Accretion to interest income		(301	)		(255	)
Reclassification (to) from nonaccretable difference		(11	)		140
Balance at end of period	$	5,747		$	6,022

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Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Summary of Activity in Allowance for Loan Losses, and Ending Balance of Loans, Net of Unearned Fees for Periods Indicated

The following tables summarize the activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated.

	Allowance for Loan Losses – Three Months Ended March 31, 2019
(in thousands)	Beginning Balance		Charge-offs			Recoveries		Provision (benefit)			Ending Balance
Mortgage loans on real estate:
Residential 1-4 family	$	2,676	$	—		$	2	$	(178	)	$	2,500
Commercial		12,944		—			1,381		(1,995	)		12,330
Total mortgage loans on real estate		15,620		—			1,383		(2,173	)		14,830
Consumer:
Home equity lines of credit		6,042		—			95		(122	)		6,015
Home equity loans		1,540		—			87		(341	)		1,286
Other		793		(207	)		75		379			1,040
Total consumer loans		8,375		(207	)		257		(84	)		8,341
Commercial		6,090		(519	)		168		339			6,078
Construction:
Residential		1,834		—			—		574			2,408
Commercial		663		—			—		(256	)		407
Total construction		2,497		—			—		318			2,815
Total	$	32,582	$	(726	)	$	1,808	$	(1,600	)	$	32,064

	Allowance for Loan Losses – As of March 31, 2019
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance for loan losses
Mortgage loans on real estate:
Residential 1-4 family	$	2,445	$	55	$	—	$	2,500
Commercial		12,293		36		1		12,330
Total mortgage loans on real estate		14,738		91		1		14,830
Consumer:
Home equity lines of credit		5,879		130		6		6,015
Home equity loans		1,216		70		—		1,286
Other		1,023		17		—		1,040
Total consumer loans		8,118		217		6		8,341
Commercial		4,636		1,442		—		6,078
Construction:
Residential		2,408		—		—		2,408
Commercial		407		—		—		407
Total construction		2,815		—		—		2,815
Total	$	30,307	$	1,750	$	7	$	32,064

	Loans, Net of Unearned fees – As of March 31, 2019
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans, net of unearned fees
Mortgage loans on real estate:
Residential 1-4 family	$	517,038	$	3,789	$	1,585	$	522,412
Commercial		2,592,994		7,911		6,022		2,606,927
Total mortgage loans on real estate		3,110,032		11,700		7,607		3,129,339
Consumer:
Home equity lines of credit		314,609		2,556		1,088		318,253
Home equity loans		32,618		1,983		436		35,037
Other		64,891		130		41		65,062
Total consumer loans		412,118		4,669		1,565		418,352
Commercial		261,933		4,676		2,554		269,163
Construction:
Residential		145,784		—		—		145,784
Commercial		71,693		—		—		71,693
Total construction		217,477		—		—		217,477
Total	$	4,001,560	$	21,045	$	11,726	$	4,034,331

	Allowance for Loan Losses – Year Ended December 31, 2018
(in thousands)	Beginning Balance		Charge-offs			Recoveries		Provision (benefit)			Ending Balance
Mortgage loans on real estate:
Residential 1-4 family	$	2,317	$	(77	)	$	—	$	436		$	2,676
Commercial		11,441		(15	)		68		1,450			12,944
Total mortgage loans on real estate		13,758		(92	)		68		1,886			15,620
Consumer:
Home equity lines of credit		5,800		(277	)		846		(327	)		6,042
Home equity loans		1,841		(24	)		297		(574	)		1,540
Other		586		(783	)		288		702			793
Total consumer loans		8,227		(1,084	)		1,431		(199	)		8,375
Commercial		6,512		(1,188	)		541		225			6,090
Construction:
Residential		1,184		—			—		650			1,834
Commercial		642		—			—		21			663
Total construction		1,826		—			—		671			2,497
Total	$	30,323	$	(2,364	)	$	2,040	$	2,583		$	32,582

	Allowance for Loan Losses – As of December 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance for loan losses
Mortgage loans on real estate:
Residential 1-4 family	$	2,620	$	56	$	—	$	2,676
Commercial		12,737		91		116		12,944
Total mortgage loans on real estate		15,357		147		116		15,620
Consumer:
Home equity lines of credit		5,838		198		6		6,042
Home equity loans		1,486		54		—		1,540
Other		779		14		—		793
Total consumer loans		8,103		266		6		8,375
Commercial		4,309		1,781		—		6,090
Construction:
Residential		1,834		—		—		1,834
Commercial		663		—		—		663
Total construction		2,497		—		—		2,497
Total	$	30,266	$	2,194	$	122	$	32,582

	Loans, Net of Unearned fees – As of December 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans, net of unearned fees
Mortgage loans on real estate:
Residential 1-4 family	$	509,267	$	4,321	$	1,674	$	515,262
Commercial		2,606,819		12,563		8,456		2,627,838
Total mortgage loans on real estate		3,116,086		16,884		10,130		3,143,100
Consumer:
Home equity lines of credit		322,764		2,646		1,167		326,577
Home equity loans		33,142		3,103		439		36,684
Other		55,483		196		42		55,721
Total consumer loans		411,389		5,945		1,648		418,982
Commercial		268,885		5,218		2,445		276,548
Construction:
Residential		121,296		—		—		121,296
Commercial		62,088		—		—		62,088
Total construction		183,384		—		—		183,384
Total	$	3,979,744	$	28,047	$	14,223	$	4,022,014

	Allowance for Loan Losses – Three Months Ended March 31, 2018
(in thousands)	Beginning Balance		Charge-offs			Recoveries		Provision (benefit)			Ending Balance
Mortgage loans on real estate:
Residential 1-4 family	$	2,317	$	(1	)	$	—	$	(146	)	$	2,170
Commercial		11,441		—			15		39			11,495
Total mortgage loans on real estate		13,758		(1	)		15		(107	)		13,665
Consumer:
Home equity lines of credit		5,800		(80	)		209		(517	)		5,412
Home equity loans		1,841		—			14		(119	)		1,736
Other		586		(194	)		78		100			570
Total consumer loans		8,227		(274	)		301		(536	)		7,718
Commercial		6,512		(205	)		50		35			6,392
Construction:
Residential		1,184		—			—		167			1,351
Commercial		642		—			—		205			847
Total construction		1,826		—			—		372			2,198
Total	$	30,323	$	(480	)	$	366	$	(236	)	$	29,973

	Allowance for Loan Losses – As of March 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance for loan losses
Mortgage loans on real estate:
Residential 1-4 family	$	1,910	$	190	$	70	$	2,170
Commercial		11,281		154		60		11,495
Total mortgage loans on real estate		13,191		344		130		13,665
Consumer:
Home equity lines of credit		4,956		448		8		5,412
Home equity loans		1,606		130		—		1,736
Other		514		56		—		570
Total consumer loans		7,076		634		8		7,718
Commercial		4,249		2,113		30		6,392
Construction:
Residential		1,351		—		—		1,351
Commercial		847		—		—		847
Total construction		2,198		—		—		2,198
Total	$	26,714	$	3,091	$	168	$	29,973

	Loans, Net of Unearned fees – As of March 31, 2018
(in thousands)	Loans pooled for evaluation		Individually evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans, net of unearned fees
Mortgage loans on real estate:
Residential 1-4 family	$	378,832	$	5,535	$	1,744	$	386,111
Commercial		1,954,120		11,110		8,038		1,973,268
Total mortgage loans on real estate		2,332,952		16,645		9,782		2,359,379
Consumer:
Home equity lines of credit		279,140		2,450		1,661		283,251
Home equity loans		39,774		1,673		485		41,932
Other		23,285		278		43		23,606
Total consumer loans		342,199		4,401		2,189		348,789
Commercial		208,889		4,621		2,505		216,015
Construction:
Residential		71,462		136		—		71,598
Commercial		73,952		—		—		73,952
Total construction		145,414		136		—		145,550
Total	$	3,029,454	$	25,803	$	14,476	$	3,069,733

Schedule Credit Quality Indicators

The following tables present ending loan balances by loan category and risk grade for the periods indicated:

	Credit Quality Indicators Originated Loans– As of March 31, 2019
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total Originated Loans
Mortgage loans on real estate:
Residential 1-4 family	$	350,256	$	1,807	$	5,496	$	—	$	357,559
Commercial		1,886,958		33,094		9,456		—		1,929,508
Total mortgage loans on real estate		2,237,214		34,901		14,952		—		2,287,067
Consumer:
Home equity lines of credit		273,144		2,867		3,064		—		279,075
Home equity loans		27,328		1,533		2,384		—		31,245
Other		44,611		309		100		—		45,020
Total consumer loans		345,083		4,709		5,548		—		355,340
Commercial		214,758		7,896		4,660		—		227,314
Construction:
Residential		115,432		—		256		—		115,688
Commercial		64,238		338		—		—		64,576
Total construction		179,670		338		256		—		180,264
Total loans	$	2,976,725	$	47,844	$	25,416	$	—	$	3,049,985

	Credit Quality Indicators PNCI Loans – As of March 31, 2019
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total PNCI Loans
Mortgage loans on real estate:
Residential 1-4 family	$	161,351	$	1,109	$	808	$	—	$	163,268
Commercial		665,630		2,727		3,040		—		671,397
Total mortgage loans on real estate		826,981		3,836		3,848		—		834,665
Consumer:
Home equity lines of credit		35,888		925		1,277		—		38,090
Home equity loans		3,174		98		84		—		3,356
Other		19,790		208		3		—		20,001
Total consumer loans		58,852		1,231		1,364		—		61,447
Commercial		38,762		201		332		—		39,295
Construction:
Residential		30,096		—		—		—		30,096
Commercial		6,872		—		245		—		7,117
Total construction		36,968		—		245		—		37,213
Total loans	$	961,563	$	5,268	$	5,789	$	—	$	972,620

	Credit Quality Indicators Originated Loans– As of December 31, 2018
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total Originated Loans
Mortgage loans on real estate:
Residential 1-4 family	$	337,189	$	1,724	$	4,883	$	—	$	343,796
Commercial		1,861,627		33,483		15,871		—		1,910,981
Total mortgage loans on real estate		2,198,816		35,207		20,754		—		2,254,777
Consumer:
Home equity lines of credit		279,491		2,309		2,653		—		284,453
Home equity loans		29,289		1,054		2,317		—		32,660
Other		33,606		341		73		—		34,020
Total consumer loans		342,386		3,704		5,043		—		351,133
Commercial		217,126		6,127		5,382		—		228,635
Construction:
Residential		90,412		32		259		—		90,703
Commercial		55,863		345		—		—		56,208
Total construction		146,275		377		259		—		146,911
Total loans	$	2,904,603	$	45,415	$	31,438	$	—	$	2,981,456

	Credit Quality Indicators PNCI Loans – As of December 31, 2018
(in thousands)	Pass		Special Mention		Substandard		Doubtful / Loss		Total PNCI Loans
Mortgage loans on real estate:
Residential 1-4 family	$	167,908	$	1,086	$	798	$	—	$	169,792
Commercial		701,868		3,085		3,448		—		708,401
Total mortgage loans on real estate		869,776		4,171		4,246		—		878,193
Consumer:
Home equity lines of credit		38,780		1,124		1,053		—		40,957
Home equity loans		3,413		74		98		—		3,585
Other		21,481		173		5		—		21,659
Total consumer loans		63,674		1,371		1,156		—		66,201
Commercial		45,027		321		120		—		45,468
Construction:
Residential		30,593		—		—		—		30,593
Commercial		5,880		—		—		—		5,880
Total construction		36,473		—		—		—		36,473
Total	$	1,014,950	$	5,863	$	5,522	$	—	$	1,026,335

Analysis of Past Due Loans

The following table shows the ending balance of current and past due originated loans by loan category as of the date indicated:

	Analysis of Originated Past Due Loans - As of March 31, 2019
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	2,231	$	—	$	396	$	2,627	$	354,932	$	357,559	$	—
Commercial		767		—		901		1,668		1,927,840		1,929,508		—
Total mortgage loans on real estate		2,998		—		1,297		4,295		2,282,772		2,287,067		—
Consumer:
Home equity lines of credit		1,774		11		362		2,147		276,928		279,075		—
Home equity loans		512		24		163		699		30,546		31,245		17
Other		151		—		9		160		44,860		45,020		9
Total consumer loans		2,437		35		534		3,006		352,334		355,340		26
Commercial		1,122		453		371		1,946		225,368		227,314		14
Construction:
Residential		785		—		—		785		114,903		115,688		—
Commercial		—		—		—		—		64,576		64,576		—
Total construction		785		—		—		785		179,479		180,264		—
Total originated loans	$	7,342	$	488	$	2,202	$	10,032	$	3,039,953	$	3,049,985	$	40

The following table shows the ending balance of current and past due PNCI loans by loan category as of the date indicated:

	Analysis of PNCI Past Due Loans - As of March 31, 2019
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	1,457	$	270	$	—	$	1,727	$	161,541	$	163,268	$	—
Commercial		2,898		—		949		3,847		667,550		671,397		—
Total mortgage loans on real estate		4,355		270		949		5,574		829,091		834,665		—
Consumer:
Home equity lines of credit		418		—		1		419		37,671		38,090		—
Home equity loans		14		—		—		14		3,342		3,356		—
Other		151		—		—		151		19,850		20,001		—
Total consumer loans		583		—		1		584		60,863		61,447		—
Commercial		2		99		233		334		38,961		39,295		—
Construction:
Residential		—		—		—		—		30,096		30,096		—
Commercial		—		—		—		—		7,117		7,117		—
Total construction		—		—		—		—		37,213		37,213		—
Total PNCI loans	$	4,940	$	369	$	1,183	$	6,492	$	966,128	$	972,620	$	—

The following table shows the ending balance of current and past due originated loans by loan category as of the date indicated:

	Analysis of Originated Past Due Loans - As of December 31, 2018
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	1,675	$	132	$	478	$	2,285	$	341,511	$	343,796	$	—
Commercial		431		1,200		296		1,927		1,909,054		1,910,981		—
Total mortgage loans on real estate		2,106		1,332		774		4,212		2,250,565		2,254,777		—
Consumer:
Home equity lines of credit		908		47		609		1,564		282,889		284,453		—
Home equity loans		1,043		24		214		1,281		31,379		32,660		—
Other		298		17		—		315		33,705		34,020		—
Total consumer loans		2,249		88		823		3,160		347,973		351,133		—
Commercial		1,053		579		1,247		2,879		225,756		228,635		—
Construction:
Residential		209		—		—		209		90,494		90,703		—
Commercial		—		—		—		—		56,208		56,208		—
Total construction		209		—		—		209		146,702		146,911		—
Total loans	$	5,617	$	1,999	$	2,844	$	10,460	$	2,970,996	$	2,981,456	$	—

The following table shows the ending balance of current and past due PNCI loans by loan category as of the date indicated:

	Analysis of PNCI Past Due Loans - As of December 31, 2018
(in thousands)	30-59 days		60-89 days		> 90 days		Total Past Due Loans		Current		Total		> 90 Days and Still Accruing
Mortgage loans on real estate:
Residential 1-4 family	$	1,009	$	133	$	156	$	1,298	$	168,494	$	169,792	$	—
Commercial		1,646		1,136		1,082		3,864		704,537		708,401		—
Total mortgage loans on real estate		2,655		1,269		1,238		5,162		873,031		878,193		—
Consumer:
Home equity lines of credit		304		35		237		576		40,381		40,957		—
Home equity loans		74		—		—		74		3,511		3,585		—
Other		160		—		—		160		21,499		21,659		—
Total consumer loans		538		35		237		810		65,391		66,201		—
Commercial		678		145		113		936		44,532		45,468		—
Construction:
Residential		—		—		—		—		30,593		30,593		—
Commercial		—		—		—		—		5,880		5,880		—
Total construction		—		—		—		—		36,473		36,473		—
Total loans	$	3,871	$	1,449	$	1,588	$	6,908	$	1,019,427	$	1,026,335	$	—

Schedule of Non Accrual Loans

The following table shows the ending balance of nonaccrual originated and PNCI loans by loan category as of the date indicated:

	Non Accrual Loans
	As of March 31, 2019						As of December 31, 2018
(in thousands)	Originated		PNCI		Total		Originated		PNCI		Total
Mortgage loans on real estate:
Residential 1-4 family	$	3,066	$	308	$	3,374	$	3,244	$	334	$	3,578
Commercial		4,493		1,445		5,938		9,263		1,468		10,731
Total mortgage loans on real estate		7,559		1,753		9,312		12,507		1,802		14,309
Consumer:
Home equity lines of credit		1,366		501		1,867		1,429		885		2,314
Home equity loans		1,599		36		1,635		1,722		47		1,769
Other		28		4		32		3		4		7
Total consumer loans		2,993		541		3,534		3,154		936		4,090
Commercial		3,144		332		3,476		3,755		120		3,875
Construction:
Residential		—		—		—		—		—		—
Commercial		—		—		—		—		—		—
Total construction		—		—		—		—		—		—
Total non accrual loans	$	13,696	$	2,626	$	16,322	$	19,416	$	2,858	$	22,274

Impaired Loans

The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired Originated and PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired Originated Loans – As of, or for the Three Months Ended, March 31, 2019
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	4,148	$	3,481	$	—	$	3,481	$	55	$	4,029	$	6
Commercial		6,771		5,874		592		6,466		37		9,453		22
Total mortgage loans on real estate		10,919		9,355		592		9,947		92		13,482		28
Consumer:
Home equity lines of credit		1,857		1,737		58		1,795		18		1,943		4
Home equity loans		2,333		1,639		120		1,759		20		1,963		—
Other		46		—		28		28		9		33		—
Total consumer loans		4,236		3,376		206		3,582		47		3,939		4
Commercial		4,538		2,301		2,043		4,344		1,223		4,778		—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	19,693	$	15,032	$	2,841	$	17,873	$	1,362	$	22,199	$	32

	Impaired PNCI Loans – As of, or for the Three Months Ended, March 31, 2019
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	344	$	308	$	—	$	308	$	—	$	321	$	—
Commercial		3,089		1,445		—		1,445		—		1,456		58
Total mortgage loans on real estate		3,433		1,753		—		1,753		—		1,777		58
Consumer:
Home equity lines of credit		831		401		360		761		112		883		—
Home equity loans		242		102		122		224		50		232		—
Other		102		64		38		102		7		106		—
Total consumer loans		1,175		567		520		1,087		169		1,221		—
Commercial		335		113		219		332		219		226		2
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	4,943	$	2,433	$	739	$	3,172	$	388	$	3,224	$	60

	Impaired Originated Loans – As of, or for the Twelve Months Ended, December 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	4,594	$	3,663	$	308	$	3,971	$	56	$	3,517	$	90
Commercial		13,081		10,676		1,765		12,441		42		13,115		137
Total mortgage loans on real estate		17,675		14,339		2,073		16,412		98		16,632		227
Consumer:
Home equity lines of credit		1,900		1,749		111		1,860		71		1,885		43
Home equity loans		2,374		1,892		65		1,957		2		1,520		23
Other		3		—		3		3		3		17		2
Total consumer loans		4,277		3,641		179		3,820		76		3,422		68
Commercial		5,433		2,924		2,287		5,211		1,774		4,654		91
Construction:
Residential		—		—		—		—		—		5		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		5		—
Total	$	27,385	$	20,904	$	4,539	$	25,443	$	1,948	$	24,713	$	386

	Impaired PNCI Loans – As of, or for the Twelve Months Ended, December 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	375	$	334	$	—	$	334	$	—	$	529	$	5
Commercial		3,110		1,468		—		1,468		—		1,713		183
Total mortgage loans on real estate		3,485		1,802		—		1,802		—		2,242		188
Consumer:
Home equity lines of credit		1,027		587		367		954		127		1,120		18
Home equity loans		252		47		197		244		101		155		—
Other		106		21		85		106		11		114		—
Total consumer loans		1,385		655		649		1,304		239		1,389		18
Commercial		120		113		7		120		7		60		1
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total	$	4,990	$	2,570	$	656	$	3,226	$	246	$	3,691	$	207

	Impaired Originated Loans – As of, or for the Three Months Ended, March 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	4,378	$	2,678	$	1,525	$	4,203	$	190	$	4,071	$	28
Commercial		11,407		9,848		1,262		11,110		154		12,510		44
Total mortgage loans on real estate		15,785		12,526		2,787		15,313		344		16,581		72
Consumer:
Home equity lines of credit		1,478		888		527		1,415		146		1,455		10
Home equity loans		1,744		1,193		196		1,389		10		1,347		2
Other		4		—		4		4		4		6		—
Total consumer loans		3,226		2,081		727		2,808		160		2,808		12
Commercial		4,756		881		3,740		4,621		2,113		4,545		26
Construction:
Residential		136		136		—		136		—		138		2
Commercial		—		—		—		—		—		—		—
Total construction		136		136		—		136		—		138		2
Total	$	23,903	$	15,624	$	7,254	$	22,878	$	2,617	$	24,072	$	112

	Impaired PNCI Loans – As of, or for the Three Months Ended, March 31, 2018
(in thousands)	Unpaid principal balance		Recorded investment with no related allowance		Recorded investment with related allowance		Total recorded investment		Related Allowance		Average recorded investment		Interest income recognized
Mortgage loans on real estate:
Residential 1-4 family	$	1,390	$	1,332	$	—	$	1,332	$	—	$	1,345	$	2
Commercial		—		—		—		—		—		—		—
Total mortgage loans on real estate		1,390		1,332		—		1,332		—		1,345		2
Consumer:
Home equity lines of credit		1,065		501		534		1,035		302		1,114		5
Home equity loans		298		40		244		284		120		225		3
Other		274		28		246		274		52		262		2
Total consumer loans		1,637		569		1,024		1,593		474		1,601		10
Commercial		—		—		—		—		—				—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—				—
Total construction		—		—		—		—		—		—		—
Total	$	3,027	$	1,901	$	1,024	$	2,925	$	474	$	2,946	$	12

Troubled Debt Restructurings

The following tables show certain information regarding TDRs that occurred during the periods indicated:

	TDR Information for the Three Months Ended March 31, 2019
(dollars in thousands)	Number		Pre-mod outstanding principal balance		Post-mod outstanding principal balance		Financial impact due to TDR taken as additional provision		Number that defaulted during the period		Recorded investment of TDRs that defaulted during the period		Financial impact due to the default of previous TDR taken as charge- offs or additional provisions
Mortgage loans on real estate:
Residential 1-4 family		1	$	163	$	162	$	—		—	$	—	$	—
Commercial		—		—		—		—		—		—		—
Total mortgage loans on real estate		1		163		162		—		—		—		—
Consumer:
Home equity lines of credit		—		—		—		—		—		—		—
Home equity loans		1		121		120		1		—		—		—
Other		—		—		—		—		—		—		—
Total consumer loans		1		121		120		1		—		—		—
Commercial		2		15		15		—		1		7		—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total		4	$	299	$	297	$	1		1	$	7	$	—

	TDR Information for the Three Months Ended March 31, 2018
(dollars in thousands)	Number		Pre-mod outstanding principal balance		Post-mod outstanding principal balance		Financial impact due to TDR taken as additional provision		Number that defaulted during the period		Recorded investment of TDRs that defaulted during the period		Financial impact due to the default of previous TDR taken as charge- offs or additional provisions
Mortgage loans on real estate:
Residential 1-4 family		—	$	—	$	—	$	—		—	$	—	$	—
Commercial		1		384		384		11		1		169		—
Total mortgage loans on real estate		1		384		384		11		1		169		—
Consumer:
Home equity lines of credit		1		133		138		—		—		—		—
Home equity loans		1		121		121		—		—		—		—
Other		—		—		—		—		—		—		—
Total consumer loans		2		254		259		—		—		—		—
Commercial		—		—		—		—		—		—		—
Construction:
Residential		—		—		—		—		—		—		—
Commercial		—		—		—		—		—		—		—
Total construction		—		—		—		—		—		—		—
Total		3	$	638	$	643	$	11		1	$	169	$	—

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Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Lease Cost and Other Lease Information

The following table presents the components of lease expense for the three months ended March 31 2019:

	Three months ended
(in thousands)	March 31, 2019
Operating lease cost	$	1,311
Short-term lease cost		71
Variable lease cost		(5	)
Sublease income		(34	)
Total lease cost	$	1,343

Schedule Of Supplemental Cash Flow Information Related To Operating Leases [Table Text Block]

The following table presents supplemental cash flow information related to leases for the three months ended March 31, 2019:

	Three months ended
(in thousands)	March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,218
ROUA obtained in exchange for operating lease liabilities	$	32,006

Schedule Of Weighted Average Lease Term And Discount Rate Related To Operating Lease [Table Text Block]

The following table presents the weighted average operating lease term and discount rate at March 31, 2019:

As of March 31, 2019:
Weighted-average remaining lease term	9.5 years
Weighted-average discount rate	3.17	%

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

At March 31, 2019, future expected operating lease payments are as follows:

(in thousands)
Periods ending December 31,
2019	$	3,519
2020		4,380
2021		4,226
2022		3,887
2023		3,208
Thereafter		16,455
		35,675
Discount for present value of expected cash flows		(5,471	)
Lease liability at March 31, 2019	$	30,204

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Deposits (Tables)

3 Months Ended

Mar. 31, 2019

Banking and Thrift [Abstract]

Summary of Balances of Deposits

A summary of the balances of deposits follows (in thousands):

	March 31,		December 31,
	2019		2018
Noninterest-bearing demand	$	1,761,559	$	1,760,580
Interest-bearing demand		1,297,672		1,252,366
Savings		1,925,168		1,921,324
Time certificates, $250,000 and above		135,716		132,429
Other time certificates		310,147		299,767
Total deposits	$	5,430,262	$	5,366,466

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Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Summary of Bank's Commitments and Contingent Liabilities

(in thousands)	March 31, 2019		December 31, 2018
Financial instruments whose amounts represent risk:
Commitments to extend credit:
Commercial loans	$	316,382	$	306,191
Consumer loans		514,413		496,575
Real estate mortgage loans		163,733		140,292
Real estate construction loans		232,385		248,996
Standby letters of credit		11,743		11,346
Deposit account overdraft privilege		115,552		111,956

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Stock Options and Other Equity-Based Incentive Instruments (Tables)

3 Months Ended

Mar. 31, 2019

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

Stock Option Activity

Stock option activity during the three months ended March 31, 2019 is summarized in the following table:

	Number of Shares			Option Price per Share		Weighted  Average Exercise Price
Outstanding at December 31, 2018		343,000			$12.63 to $23.21	$	16.67
Options granted		—			— to —		—
Options exercised		(41,000	)		$12.63 to $19.46		15.78
Options forfeited		—			— to —		—
Outstanding at March 31, 2019		302,000			$14.54 to $23.21	$	16.88

Summary of Options Outstanding

The following table shows the number, weighted-average exercise price, intrinsic value, and weighted average remaining contractual life of options exercisable, options not yet exercisable and total options outstanding as of March 31, 2019:

	Currently Exercisable		Currently Not Exercisable		Total Outstanding
Number of options		300,875		1,125		302,000
Weighted average exercise price	$	16.86	$	23.21	$	16.88
Intrinsic value (in thousands)	$	5,095	$	12	$	5,107
Weighted average remaining contractual term (yrs.)		3.4		5.8		3.4

Restricted Stock Unit (RSU) Activity

Restricted stock unit (RSU) activity is summarized in the following table for the dates indicated:

	Service Condition Vesting RSUs			Market Plus Service Condition Vesting RSUs
Outstanding at December 31, 2018		66,947			45,536
RSUs granted		—			—
RSUs added through dividend credits		322			—
RSUs released		(355	)		—
RSUs forfeited/expired		—			—
Outstanding at March 31, 2019		66,914			45,536

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Noninterest Income and Expense (Tables)

3 Months Ended

Mar. 31, 2019

Other Income and Expenses [Abstract]

Components of Other Noninterest Income

The following table summarizes the Company’s noninterest income for the periods indicated:

	Three months ended March 31,
(dollars in thousands)	2019			2018
ATM and interchange fees	$	4,581		$	4,235
Service charges on deposit accounts		3,880			3,779
Other service fees		771			714
Mortgage banking service fees		483			517
Change in value of mortgage servicing rights		(645	)		111
Total service charges and fees		9,070			9,356
Increase in cash value of life insurance		775			608
Asset management and commission income		642			876
Gain on sale of loans		412			626
Lease brokerage income		220			128
Sale of customer checks		140			101
Gain on sale of foreclosed assets		99			371
Gain (loss) on marketable equity securities		36			(48	)
Loss on disposal of fixed assets		(38	)		(13	)
Other		508			285
Total other noninterest income		2,794			2,934
Total noninterest income	$	11,864		$	12,290

Components of Noninterest Expense

The components of noninterest expense were as follows (in thousands):

	Three months ended March 31,
	2019		2018
Base salaries, net of deferred loan origination costs	$	16,757	$	13,962
Incentive compensation		2,567		2,452
Benefits and other compensation costs		5,804		5,238
Total salaries and benefits expense		25,128		21,652
Occupancy		3,774		2,681
Data processing and software		3,349		2,514
Equipment		1,867		1,551
Intangible amortization		1,431		339
Advertising		1,331		838
ATM and POS network charges		1,323		1,226
Professional fees		839		773
Telecommunications		797		701
Regulatory assessments and insurance		511		430
Merger and acquisition expense		—		476
Postage		310		358
Operational losses		225		294
Courier service		270		267
Other miscellaneous expense		4,358		4,062
Total other noninterest expense		20,385		16,510
Total noninterest expense	$	45,513	$	38,162

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Computation of Earnings Per Share

Earnings per share have been computed based on the following:

	Three months ended March 31,
(in thousands)	2019		2018
Net income	$	22,726	$	13,910
Average number of common shares outstanding		30,424		22,956
Effect of dilutive stock options and restricted stock		234		327
Average number of common shares outstanding used to calculate diluted earnings per share		30,658		23,283
Options excluded from diluted earnings per share because the effect of these options was antidilutive		—		—

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Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Components of Other Comprehensive Income (Loss) and Related Tax Effects

The components of other comprehensive income (loss) and related tax effects are as follows:

	Three months ended March 31,
(in thousands)	2019			2018
Unrealized holding gains (losses) on available for sale securities before reclassifications		12,710		$	(15,265	)
Amounts reclassified out of accumulated other comprehensive income:
Adoption ASU 2016-01		—			62
Adoption ASU 2018-02		—			(425	)
Total amounts reclassified out of accumulated other comprehensive income		—			(363	)
Unrealized holding gains (losses) on available for sale securities after reclassifications		12,710			(15,628	)
Tax effect		(3,758	)		4,602
Unrealized holding gains (losses) on available for sale securities, net of tax		8,952			(11,026	)
Change in unfunded status of the supplemental retirement plans before reclassifications		(89	)		667
Amounts reclassified out of accumulated other comprehensive income:
Amortization of prior service cost		(13	)		(13	)
Amortization of actuarial losses		102			127
Adoption ASU 2018-02		—			(668	)
Total amounts reclassified out of accumulated other comprehensive income		89			(554	)
Change in unfunded status of the supplemental retirement plans after reclassifications		—			113
Tax effect		—			(33	)
Change in unfunded status of the supplemental retirement plans, net of tax		—			80
Total other comprehensive income (loss)	$	8,952		$	(10,946	)

Components of Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss, included in shareholders’ equity, are as follows:

(in thousands)	March 31, 2019			December 31, 2018
Net unrealized loss on available for sale securities	$	(8,264	)	$	(20,974	)
Tax effect		2,443			6,201
Unrealized holding loss on available for sale securities, net of tax		(5,821	)		(14,773	)
Unfunded status of the supplemental retirement plans		(4,802	)		(4,802	)
Tax effect		1,420			1,420
Unfunded status of the supplemental retirement plans, net of tax		(3,382	)		(3,382	)
Joint beneficiary agreement liability		276			276
Tax effect		—			—
Joint beneficiary agreement liability, net of tax		276			276
Accumulated other comprehensive loss	$	(8,927	)	$	(17,879	)

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Fair Value Measurement (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Recorded Amount of Assets and Liabilities Measured at Fair Value on Recurring Basis

The table below presents the recorded amount of assets and liabilities measured at fair value on a recurring basis (in thousands):

	Total		Level 1		Level 2		Level 3
Fair value at March 31, 2019
Marketable equity securities	$	2,910	$	2,910	$	—	$	—
Debt securities available for sale:
Obligations of U.S. government corporations and agencies		627,100		—		627,100		—
Obligations of states and political subdivisions		129,349		—		129,349		—
Corporate bonds		4,478		—		4,478		—
Asset backed securities		352,589		—		352,589		—
Loans held for sale		5,410		—		5,410		—
Mortgage servicing rights		6,572		—		—		6,572
Total assets measured at fair value	$	1,128,408	$	2,910	$	1,118,926	$	6,572

	Total		Level 1		Level 2		Level 3
Fair value at December 31, 2018
Marketable equity securities	$	2,874	$	2,874	$	—	$	—
Debt securities available for sale:
Obligations of U.S. government corporations and agencies		629,981		—		629,981		—
Obligations of states and political subdivisions		126,072		—		126,072		—
Corporate bonds		4,478		—		4,478		—
Asset backed securities		354,505		—		354,505		—
Loans held for sale		3,687		—		3,687		—
Mortgage servicing rights		7,098		—		—		7,098
Total assets measured at fair value	$	1,128,695	$	2,874	$	1,118,723	$	7,098

Reconciliation of Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) on Recurring Basis

The following table provides a reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the time periods indicated. Had there been any transfer into or out of Level 3 during the time periods indicated, the amount included in the “Transfers into (out of) Level 3” column would represent the beginning balance of an item in the period (interim quarter) during which it was transferred (in thousands):

	Beginning Balance		Transfers into (out of) Level 3		Change Included in Earnings			Issuances		Ending Balance
Three months ended March 31,
2019: Mortgage servicing rights	$	7,098		—	$	(645	)	$	119	$	6,572
2018: Mortgage servicing rights	$	6,687		—	$	111		$	155	$	6,953

Quantitative Information about Recurring Level 3 Fair Value Measurements

The following table presents quantitative information about recurring Level 3 fair value measurements at March 31, 2019 and December 31, 2018:

	Fair Value (in thousands)		Valuation Technique		Unobservable Inputs		Range, Weighted Average
As of March 31, 2019:
Mortgage Servicing Rights	$	6,572		Discounted cash flow		Constant prepayment rate		5.4% - 27.1%; 8.9%
						Discount rate		12% - 13%; 12%
As of December 31, 2018:
Mortgage Servicing Rights	$	7,098		Discounted cash flow		Constant prepayment rate		5.0% - 27.3%; 7.6%
						Discount rate		12% - 13%; 12%

Assets and Liabilities Measured at Fair Value on Nonrecurring Basis

The tables below present the recorded investment in assets and liabilities measured at fair value on a nonrecurring basis, as of the dates indicated (in thousands):

	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Three months ended March 31, 2019
Fair value:
Impaired Originated & PNCI loans	$	212		—		—	$	212	$	(197	)
Foreclosed assets		214		—		—		214		98
Total assets measured at fair value	$	426		—		—	$	426	$	(99	)

	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Year ended December 31, 2018
Fair value:
Impaired Originated & PNCI loans	$	281		—		—	$	281	$	(294	)
Foreclosed assets		1,311		—		—		1,311		(8	)
Total assets measured at fair value	$	1,592		—		—	$	1,592	$	(302	)

	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Three months ended March 31, 2018
Fair value:
Impaired Originated & PNCI loans	$	2,103		—		—	$	2,103	$	(795	)
Foreclosed assets		774		—		—		774		(87	)
Total assets measured at fair value	$	2,877		—		—	$	2,877	$	(882	)

Quantitative Information about Level 3 Fair Value Measurements for Financial Instruments Measured at Fair Value on Nonrecurring Basis

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis at March 31, 2019:

	Fair Value (in thousands)		Valuation Technique		Unobservable Inputs		Range, Weighted Average
March 31, 2019
Impaired Originated & PNCI loans	$	212		Sales comparison approach		Adjustment for differences between comparable sales		Not meaningful
				Income approach		Capitalization rate		N/A
Foreclosed assets (Residential real estate)	$	214		Sales comparison approach		Adjustment for differences between comparable sales		Not meaningful

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis at December 31, 2018:

	Fair Value (in thousands)		Valuation Technique		Unobservable Inputs		Range, Weighted Average
December 31, 2018
Impaired Originated & PNCI loans	$	281		Sales comparison approach		Adjustment for differences between comparable sales		(16.3%) - 35.14%; 10.45%
				Income approach		Capitalization rate		N/A
Foreclosed assets (Residential real estate)	$	693		Sales comparison approach		Adjustment for differences between comparable sales		(21.83%) - 7.25%; (3.75%)
Foreclosed assets (Commercial real estate)	$	618		Sales comparison approach		Adjustment for differences between comparable sales		(65%) - 20%; (45%)

Estimated Fair Values of Financial Instruments that are Reported at Amortized Cost in Consolidated Balance Sheets

	March 31, 2019				December 31, 2018
(in thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
Level 1 inputs:
Cash and due from banks	$	105,103	$	105,103	$	119,781	$	119,781
Cash at Federal Reserve and other banks		213,605		213,605		107,752		107,752
Level 2 inputs:
Securities held to maturity		431,016		430,773		444,936		437,370
Restricted equity securities		17,250		N/A		17,250		N/A
Loans held for sale		5,410		5,410		3,687		4,616
Level 3 inputs:
Loans, net		4,002,267		4,053,496		3,989,432		4,006,986
Financial liabilities:
Level 2 inputs:
Deposits		5,430,262		5,427,004		5,366,466		5,362,173
Other borrowings		12,466		12,466		15,839		15,839
Level 3 inputs:
Junior subordinated debt		57,085		56,180		57,042		62,610

(in thousands)	Contract Amount		Fair Value		Contract Amount		Fair Value
Off-balance sheet:
Level 3 inputs:
Commitments	$	1,226,913	$	12,269	$	1,192,054	$	11,921
Standby letters of credit		11,743		117		11,346		113
Overdraft privilege commitments		115,552		1,156		111,956		1,120

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Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2019

Banking and Thrift [Abstract]

Actual and Required Capital Ratios of Bank

The following tables present actual and required capital ratios as of March 31, 2019 and December 31, 2018 for the Company and the Bank under applicable Basel III Capital Rules. The minimum capital amounts presented include the minimum required capital levels as of March 31, 2019 and December 31, 2018 based on the then  provisions of the Basel III Capital Rules. As of January 1, 2019, the minimum required capital levels of the Basel III Capital Rules have been fully  Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules.

						Minimum Capital					Required to be
						Required – Basel III					Considered Well
	Actual					Fully Phased In					Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of March 31, 2019:
Total Capital (to Risk Weighted Assets):
Consolidated	$	700,542		14.73	%	$	449,380		10.50	%		N/A		N/A
Tri Counties Bank	$	697,549		14.67	%	$	499,195		10.50	%	$	475,424		10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	665,688		14.00	%	$	404,260		8.50	%		N/A		N/A
Tri Counties Bank	$	662,695		13.94	%	$	404,111		8.50	%	$	380,339		8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	610,317		12.83	%	$	332,920		7.00	%		N/A		N/A
Tri Counties Bank	$	662,695		13.94	%	$	332,797		7.00	%	$	309,026		6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	665,688		10.84	%	$	245,649		4.00	%		N/A		N/A
Tri Counties Bank	$	662,695		10.79	%	$	245,643		4.00	%	$	307,054		5.00	%

						Minimum Capital					Minimum Capital					Required to be
						Required – Basel III					Required – Basel III					Considered Well
	Actual					Phase-in Schedule					Fully Phased In					Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of December 31, 2018:
Total Capital (to Risk Weighted Assets):
Consolidated	$	682,419		14.40	%	$	467,874		9.875	%	$	497,486		10.50	%		N/A		N/A
Tri Counties Bank	$	680,624		14.37	%	$	467,704		9.875	%	$	497,305		10.50	%	$	473,624		10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	647,262		13.66	%	$	373,115		7.875	%	$	402,727		8.50	%		N/A		N/A
Tri Counties Bank	$	645,467		13.63	%	$	372,979		7.875	%	$	402,581		8.50	%	$	378,899		8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	591,933		12.49	%	$	302,045		6.375	%	$	331,658		7.00	%		N/A		N/A
Tri Counties Bank	$	645,467		13.63	%	$	301,935		6.375	%	$	331,537		7.00	%	$	307,856		6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	647,262		10.68	%	$	242,452		4.000	%	$	242,452		4.00	%		N/A		N/A
Tri Counties Bank	$	645,467		10.65	%	$	242,447		4.000	%	$	242,447		4.00	%	$	303,059		5.00	%

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Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2019 USD ($) Trust Office Segment Business
Significant Of Accounting Policies [Line Items]
Number of subsidiary business trusts | Trust	5
Number of loan production offices | Office	2
Company's investments in the trusts | $	$ 1,714,000
Number of business segment | Segment	1
Loans contractual past due	90 days
California [Member]
Significant Of Accounting Policies [Line Items]
Number of counties | Business	29

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Business Combinations - Additional Information (Detail)		3 Months Ended
	Jul. 06, 2018 USD ($) Branches shares	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Goodwill recognized		$ 220,972,000		$ 220,972,000
PNCI [Member]
Business Acquisition [Line Items]
Receivables gross contractual amount		866,189,000
Receivables fair value		833,381,000
PCI [Member]
Business Acquisition [Line Items]
Receivables gross contractual amount		1,683,000
Receivables fair value		1,302,000
FNBB [Member]
Business Acquisition [Line Items]
Total consideration value	$ 291,132,000
Issue of common stock shares | shares	7,405,277
Amount paid in exchange for the outstanding options	$ 6,700,000
Number of branches added | Branches	12
Goodwill recognized	$ 156,661,000
Recognized intangible related to acquisition	27,605,000
FNBB [Member] | Core Deposit Intangibles [Member]
Business Acquisition [Line Items]
Recognized intangible related to acquisition	$ 27,605,000
Finite lived intangible asset estimated useful life	6 years 2 months 12 days
Acquisition related costs		$ 0	$ 476,000

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Business Combinations - Schedule of Fair Value of Consideration Transferred, Identifiable Net Assets Acquired and Resulting Goodwill (Detail) - USD ($) $ in Thousands	Jul. 06, 2018	Mar. 31, 2019	Dec. 31, 2018
Liabilities assumed:
Goodwill recognized		$ 220,972	$ 220,972
FNBB [Member]
Fair value of consideration transferred:
Fair value of shares issued	$ 284,437
Cash consideration	6,695
Total fair value of consideration transferred	291,132
Assets acquired:
Cash and cash equivalents	37,308
Securities available for sale	335,667
Restricted equity securities	7,723
Loans	834,683
Premises and equipment	30,522
Cash value of life insurance	16,817
Core deposit intangible	27,605
Other assets	16,214
Total assets acquired	1,306,539
Liabilities assumed:
Deposits	991,935
Other liabilities	15,133
Total liabilities assumed	1,172,068
Total net assets acquired	134,471
Goodwill recognized	156,661
FNBB [Member] | Federal Home Loan Bank of San Francisco [Member]
Liabilities assumed:
Short-term borrowings	$ 165,000

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Business Combinations - Summary of Estimated Fair Value Adjustments Resulting in Goodwill (Detail) - USD ($) $ in Thousands	Jul. 06, 2018	Mar. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill		$ 220,972	$ 220,972
FNBB [Member]
Business Acquisition [Line Items]
Value of stock consideration paid to FNB Bancorp Shareholders	$ 284,437
Cash consideration	6,695
Cost basis net assets acquired	114,030
Investments	(1,081)
Fair Value Adjustments, Premises and Equipment	21,590
Core deposit intangible	27,327
Deferred income taxes	(6,394)
Other	1,389
Goodwill	156,661
FNBB [Member] | Loans [Member]
Business Acquisition [Line Items]
Fair Value Adjustments	$ (22,390)

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Investment Securities - Amortized Cost and Estimated Fair Values of Investments Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Debt Securities Available for Sale, Amortized Cost	$ 1,121,780	$ 1,136,010
Debt Securities Available for Sale, Gross Unrealized Gains	3,329	1,235
Debt Securities Available for Sale, Gross Unrealized Losses	(11,593)	(22,209)
Debt Securities Available for Sale, Estimated Fair Value	1,113,516	1,115,036
Debt Securities Held to Maturity, Amortized Cost	431,016	444,936
Debt Securities Held to Maturity, Gross Unrealized Gains	2,363	409
Debt Securities Held to Maturity, Gross Unrealized Losses	(2,606)	(7,975)
Debt Securities Held to Maturity, Estimated Fair Value	430,773	437,370
Obligations of U.S. Government Agencies [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities Available for Sale, Amortized Cost	631,914	647,288
Debt Securities Available for Sale, Gross Unrealized Gains	1,862	771
Debt Securities Available for Sale, Gross Unrealized Losses	(6,676)	(18,078)
Debt Securities Available for Sale, Estimated Fair Value	627,100	629,981
Debt Securities Held to Maturity, Amortized Cost	416,418	430,343
Debt Securities Held to Maturity, Gross Unrealized Gains	2,190	327
Debt Securities Held to Maturity, Gross Unrealized Losses	(2,581)	(7,745)
Debt Securities Held to Maturity, Estimated Fair Value	416,027	422,925
Obligations of States and Political Subdivisions [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities Available for Sale, Amortized Cost	128,706	128,890
Debt Securities Available for Sale, Gross Unrealized Gains	1,242	294
Debt Securities Available for Sale, Gross Unrealized Losses	(599)	(3,112)
Debt Securities Available for Sale, Estimated Fair Value	129,349	126,072
Debt Securities Held to Maturity, Amortized Cost	14,598	14,593
Debt Securities Held to Maturity, Gross Unrealized Gains	173	82
Debt Securities Held to Maturity, Gross Unrealized Losses	(25)	(230)
Debt Securities Held to Maturity, Estimated Fair Value	14,746	14,445
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities Available for Sale, Amortized Cost	4,394	4,381
Debt Securities Available for Sale, Gross Unrealized Gains	84	97
Debt Securities Available for Sale, Estimated Fair Value	4,478	4,478
Asset-backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities Available for Sale, Amortized Cost	356,766	355,451
Debt Securities Available for Sale, Gross Unrealized Gains	141	73
Debt Securities Available for Sale, Gross Unrealized Losses	(4,318)	(1,019)
Debt Securities Available for Sale, Estimated Fair Value	$ 352,589	$ 354,505

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Investment Securities - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2019 USD ($) Investmentsecurities	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Investment Securities [Line Items]
Investment securities sold | $	$ 0	$ 0
Securities Pledged As Collateral | $	587,233,000		$ 597,591,000
Residential real estate mortgage-backed securities | $	$ 1,048,332,000
Life of mortgage-backed securities	5 years 6 months
Obligations of U.S. Government Agencies [Member]
Investment Securities [Line Items]
Available for sale securities in unrealized loss position | Investmentsecurities	93
Percentage of aggregate depreciation in unrealized losses	1.30%
Obligations of States and Political Subdivisions [Member]
Investment Securities [Line Items]
Available for sale securities in unrealized loss position | Investmentsecurities	33
Percentage of aggregate depreciation in unrealized losses	2.00%
Asset-backed Securities [Member]
Investment Securities [Line Items]
Available for sale securities in unrealized loss position | Investmentsecurities	28
Percentage of aggregate depreciation in unrealized losses	1.30%

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Investment Securities - Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Due in one year, Amortized Cost	$ 2,413
Due after one year through five years, Amortized Cost	10,584
Due after five years through ten years, Amortized Cost	18,130
Due after ten years, Amortized Cost	1,090,653
Totals, Amortized Cost	1,121,780
Due in one year, Estimated Fair Value	2,418
Due after one year through five years, Estimated Fair Value	10,798
Due after five years through ten years, Estimated Fair Value	18,624
Due after ten years, Estimated Fair Value	1,081,676
Totals, Estimated Fair Value	1,113,516
Due after one year through five years, Amortized Cost, Held to Maturity	1,246
Due after five years through ten years, Amortized Cost, Held to Maturity	23,944
Due after ten years, Amortized Cost, Held to Maturity	405,826
Totals, Amortized Cost, Held to Maturity	431,016	$ 444,936
Due after one year through five years, Estimated Fair Value, Held to Maturity	1,260
Due after five years through ten years, Estimated Fair Value, Held to Maturity	23,899
Due after ten years, Estimated Fair Value, Held to Maturity	405,614
Estimated Fair Value, Held to Maturity	$ 430,773	$ 437,370

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Investment Securities - Gross Unrealized Losses on Investment Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Debt Securities Available for Sale, Less than 12 months, Fair Value	$ 355,203	$ 336,433
Debt Securities Available for Sale, Less than 12 months, Unrealized Loss	(4,918)	(6,148)
Debt Securities Available for Sale, 12 months or more, Fair Value	496,990	415,349
Debt Securities Available for Sale, 12 months or more, Unrealized Loss	(6,675)	(16,061)
Debt Securities Available for Sale, Fair Value	852,193	751,782
Debt Securities Available for Sale, Unrealized Loss	(11,593)	(22,209)
Debt Securities Held to Maturity, Less than 12 months, Fair Value		229,596
Debt Securities Held to Maturity, Less than 12 months, Unrealized Loss		(2,733)
Debt Securities Held to Maturity, 12 months or more, Fair Value	230,442	162,690
Debt Securities Held to Maturity, 12 months or more, Unrealized Loss	(2,606)	(5,242)
Debt Securities Held to Maturity, Fair Value	230,442	392,286
Debt Securities Held to Maturity, Unrealized Loss	(2,606)	(7,975)
Obligations of U.S. Government Agencies [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities Available for Sale, Less than 12 months, Fair Value	481	171,309
Debt Securities Available for Sale, Less than 12 months, Unrealized Loss	(2)	(3,588)
Debt Securities Available for Sale, 12 months or more, Fair Value	496,424	394,630
Debt Securities Available for Sale, 12 months or more, Unrealized Loss	(6,674)	(14,490)
Debt Securities Available for Sale, Fair Value	496,905	565,939
Debt Securities Available for Sale, Unrealized Loss	(6,676)	(18,078)
Debt Securities Held to Maturity, Less than 12 months, Fair Value		223,810
Debt Securities Held to Maturity, Less than 12 months, Unrealized Loss		(2,619)
Debt Securities Held to Maturity, 12 months or more, Fair Value	224,551	158,648
Debt Securities Held to Maturity, 12 months or more, Unrealized Loss	(2,581)	(5,126)
Debt Securities Held to Maturity, Fair Value	224,551	382,458
Debt Securities Held to Maturity, Unrealized Loss	(2,581)	(7,745)
Obligations of States and Political Subdivisions [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities Available for Sale, Less than 12 months, Fair Value	24,644	63,738
Debt Securities Available for Sale, Less than 12 months, Unrealized Loss	(598)	(1,541)
Debt Securities Available for Sale, 12 months or more, Fair Value	566	20,719
Debt Securities Available for Sale, 12 months or more, Unrealized Loss	(1)	(1,571)
Debt Securities Available for Sale, Fair Value	25,210	84,457
Debt Securities Available for Sale, Unrealized Loss	(599)	(3,112)
Debt Securities Held to Maturity, Less than 12 months, Fair Value		5,786
Debt Securities Held to Maturity, Less than 12 months, Unrealized Loss		(114)
Debt Securities Held to Maturity, 12 months or more, Fair Value	5,891	4,042
Debt Securities Held to Maturity, 12 months or more, Unrealized Loss	(25)	(116)
Debt Securities Held to Maturity, Fair Value	5,891	9,828
Debt Securities Held to Maturity, Unrealized Loss	(25)	(230)
Asset-backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities Available for Sale, Less than 12 months, Fair Value	330,078	101,386
Debt Securities Available for Sale, Less than 12 months, Unrealized Loss	(4,318)	(1,019)
Debt Securities Available for Sale, Fair Value	330,078	101,386
Debt Securities Available for Sale, Unrealized Loss	$ (4,318)	$ (1,019)

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Loans - Summary of Loan Balances (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Loans and Leases Receivable Disclosure [Line Items]
Total principal balance of loans owed, net of charge-offs	$ 4,085,452	$ 4,075,244
Unamortized net deferred loan fees	(9,413)	(9,868)
Discounts to principal balance of loans owed, net of charge-offs	(41,708)	(43,362)
Total loans, net of unamortized deferred loan fees and discounts	4,034,331	4,022,014	$ 3,069,733
Allowance for loan losses	(32,064)	(32,582)	(29,973)	$ (30,323)
Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,129,339	3,143,100	2,359,379
Allowance for loan losses	(14,830)	(15,620)	(13,665)	(13,758)
Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	418,352	418,982	348,789
Allowance for loan losses	(8,341)	(8,375)	(7,718)	(8,227)
Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	269,163	276,548	216,015
Allowance for loan losses	(6,078)	(6,090)	(6,392)	(6,512)
Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	217,477	183,384	145,550
Allowance for loan losses	(2,815)	(2,497)	(2,198)	(1,826)
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	522,412	515,262	386,111
Allowance for loan losses	(2,500)	(2,676)	(2,170)	(2,317)
Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	35,037	36,684	41,932
Allowance for loan losses	(1,286)	(1,540)	(1,736)	(1,841)
Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	65,062	55,721	23,606
Allowance for loan losses	(1,040)	(793)	(570)	(586)
Commercial [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,606,927	2,627,838	1,973,268
Allowance for loan losses	(12,330)	(12,944)	(11,495)	(11,441)
Commercial [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	71,693	62,088	73,952
Allowance for loan losses	(407)	(663)	(847)	(642)
Home Equity Lines of Credit [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	318,253	326,577	283,251
Allowance for loan losses	(6,015)	(6,042)	(5,412)	(5,800)
Residential [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	145,784	121,296	71,598
Allowance for loan losses	(2,408)	(1,834)	$ (1,351)	$ (1,184)
Originated [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total principal balance of loans owed, net of charge-offs	3,059,398	2,991,324
Unamortized net deferred loan fees	(9,413)	(9,868)
Total loans, net of unamortized deferred loan fees and discounts	3,049,985	2,981,456
Allowance for loan losses	(31,088)	(31,793)
Originated [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,287,067	2,254,777
Originated [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	355,340	351,133
Originated [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	227,314	228,635
Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	180,264	146,911
Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	357,559	343,796
Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	31,245	32,660
Originated [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	45,020	34,020
Originated [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,929,508	1,910,981
Originated [Member] | Commercial [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	64,576	56,208
Originated [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	279,075	284,453
Originated [Member] | Residential [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	115,688	90,703
PNCI [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total principal balance of loans owed, net of charge-offs	1,007,678	1,062,655
Discounts to principal balance of loans owed, net of charge-offs	(35,058)	(36,320)
Total loans, net of unamortized deferred loan fees and discounts	972,620	1,026,335
Allowance for loan losses	(969)	(667)
PNCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	834,665	878,193
PNCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	61,447	66,201
PNCI [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	39,295	45,468
PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	37,213	36,473
PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	163,268	169,792
PNCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,356	3,585
PNCI [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	20,001	21,659
PNCI [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	671,397	708,401
PNCI [Member] | Commercial [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	7,117	5,880
PNCI [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	38,090	40,957
PNCI [Member] | Residential [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	30,096	30,593
PCI [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total principal balance of loans owed, net of charge-offs	18,376	21,265
Discounts to principal balance of loans owed, net of charge-offs	(6,650)	(7,042)
Total loans, net of unamortized deferred loan fees and discounts	11,726	14,223
Allowance for loan losses	(7)	(122)
PCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	7,607	10,130
PCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,565	1,648
PCI [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,554	2,445
PCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,585	1,674
PCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	436	439
PCI [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	41	42
PCI [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	6,022	8,456
PCI [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	$ 1,088	$ 1,167

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Loans - Change in Accretable Yield for PCI (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Change in accretable yield:
Balance at beginning of period	$ 6,059	$ 6,137
Accretion to interest income	(301)	(255)
Reclassification (to) from nonaccretable difference	(11)	140
Balance at end of period	$ 5,747	$ 6,022

XML

Allowance for Loan Losses - Summary of Activity in Allowance for Loan Losses (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	$ 32,582	$ 30,323	$ 30,323
Charge-offs	(726)	(480)	(2,364)
Recoveries	1,808	366	2,040
Provision (benefit)	(1,600)	(236)	2,583
Ending Balance	32,064	29,973	32,582
Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	15,620	13,758	13,758
Charge-offs		(1)	(92)
Recoveries	1,383	15	68
Provision (benefit)	(2,173)	(107)	1,886
Ending Balance	14,830	13,665	15,620
Mortgage Loans on Real Estate [Member] | Commercial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	12,944	11,441	11,441
Charge-offs			(15)
Recoveries	1,381	15	68
Provision (benefit)	(1,995)	39	1,450
Ending Balance	12,330	11,495	12,944
Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	8,375	8,227	8,227
Charge-offs	(207)	(274)	(1,084)
Recoveries	257	301	1,431
Provision (benefit)	(84)	(536)	(199)
Ending Balance	8,341	7,718	8,375
Consumer [Member] | Home Equity Lines of Credit [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	6,042	5,800	5,800
Charge-offs		(80)	(277)
Recoveries	95	209	846
Provision (benefit)	(122)	(517)	(327)
Ending Balance	6,015	5,412	6,042
Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	6,090	6,512	6,512
Charge-offs	(519)	(205)	(1,188)
Recoveries	168	50	541
Provision (benefit)	339	35	225
Ending Balance	6,078	6,392	6,090
Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	2,497	1,826	1,826
Provision (benefit)	318	372	671
Ending Balance	2,815	2,198	2,497
Construction [Member] | Commercial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	663	642	642
Provision (benefit)	(256)	205	21
Ending Balance	407	847	663
Construction [Member] | Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	1,834	1,184	1,184
Provision (benefit)	574	167	650
Ending Balance	2,408	1,351	1,834
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	2,676	2,317	2,317
Charge-offs		(1)	(77)
Recoveries	2
Provision (benefit)	(178)	(146)	436
Ending Balance	2,500	2,170	2,676
Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	1,540	1,841	1,841
Charge-offs			(24)
Recoveries	87	14	297
Provision (benefit)	(341)	(119)	(574)
Ending Balance	1,286	1,736	1,540
Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Beginning Balance	793	586	586
Charge-offs	(207)	(194)	(783)
Recoveries	75	78	288
Provision (benefit)	379	100	702
Ending Balance	$ 1,040	$ 570	$ 793

XML

Allowance for Loan Losses - Summary of Activity in Allowance for Loan Losses, Net of Unearned Fees for Periods Indicated (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	$ 30,307	$ 30,266	$ 26,714
Allowance for Loan Losses, Individually evaluated for impairment	1,750	2,194	3,091
Total allowance for loan losses	32,064	32,582	29,973	$ 30,323
Loans, Net of Unearned fees , Loans pooled for evaluation	4,001,560	3,979,744	3,029,454
Loans, Net of Unearned fees , Individually evaluated for impairment	21,045	28,047	25,803
Total loans, net of unamortized deferred loan fees and discounts	4,034,331	4,022,014	3,069,733
Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	14,738	15,357	13,191
Allowance for Loan Losses, Individually evaluated for impairment	91	147	344
Total allowance for loan losses	14,830	15,620	13,665	13,758
Loans, Net of Unearned fees , Loans pooled for evaluation	3,110,032	3,116,086	2,332,952
Loans, Net of Unearned fees , Individually evaluated for impairment	11,700	16,884	16,645
Total loans, net of unamortized deferred loan fees and discounts	3,129,339	3,143,100	2,359,379
Mortgage Loans on Real Estate [Member] | Commercial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	12,293	12,737	11,281
Allowance for Loan Losses, Individually evaluated for impairment	36	91	154
Total allowance for loan losses	12,330	12,944	11,495	11,441
Loans, Net of Unearned fees , Loans pooled for evaluation	2,592,994	2,606,819	1,954,120
Loans, Net of Unearned fees , Individually evaluated for impairment	7,911	12,563	11,110
Total loans, net of unamortized deferred loan fees and discounts	2,606,927	2,627,838	1,973,268
Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	8,118	8,103	7,076
Allowance for Loan Losses, Individually evaluated for impairment	217	266	634
Total allowance for loan losses	8,341	8,375	7,718	8,227
Loans, Net of Unearned fees , Loans pooled for evaluation	412,118	411,389	342,199
Loans, Net of Unearned fees , Individually evaluated for impairment	4,669	5,945	4,401
Total loans, net of unamortized deferred loan fees and discounts	418,352	418,982	348,789
Consumer [Member] | Home Equity Lines of Credit [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	5,879	5,838	4,956
Allowance for Loan Losses, Individually evaluated for impairment	130	198	448
Total allowance for loan losses	6,015	6,042	5,412	5,800
Loans, Net of Unearned fees , Loans pooled for evaluation	314,609	322,764	279,140
Loans, Net of Unearned fees , Individually evaluated for impairment	2,556	2,646	2,450
Total loans, net of unamortized deferred loan fees and discounts	318,253	326,577	283,251
Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	4,636	4,309	4,249
Allowance for Loan Losses, Individually evaluated for impairment	1,442	1,781	2,113
Total allowance for loan losses	6,078	6,090	6,392	6,512
Loans, Net of Unearned fees , Loans pooled for evaluation	261,933	268,885	208,889
Loans, Net of Unearned fees , Individually evaluated for impairment	4,676	5,218	4,621
Total loans, net of unamortized deferred loan fees and discounts	269,163	276,548	216,015
Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	2,815	2,497	2,198
Total allowance for loan losses	2,815	2,497	2,198	1,826
Loans, Net of Unearned fees , Loans pooled for evaluation	217,477	183,384	145,414
Loans, Net of Unearned fees , Individually evaluated for impairment			136
Total loans, net of unamortized deferred loan fees and discounts	217,477	183,384	145,550
Construction [Member] | Commercial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	407	663	847
Total allowance for loan losses	407	663	847	642
Loans, Net of Unearned fees , Loans pooled for evaluation	71,693	62,088	73,952
Total loans, net of unamortized deferred loan fees and discounts	71,693	62,088	73,952
Construction [Member] | Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	2,408	1,834	1,351
Total allowance for loan losses	2,408	1,834	1,351	1,184
Loans, Net of Unearned fees , Loans pooled for evaluation	145,784	121,296	71,462
Loans, Net of Unearned fees , Individually evaluated for impairment			136
Total loans, net of unamortized deferred loan fees and discounts	145,784	121,296	71,598
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	2,445	2,620	1,910
Allowance for Loan Losses, Individually evaluated for impairment	55	56	190
Total allowance for loan losses	2,500	2,676	2,170	2,317
Loans, Net of Unearned fees , Loans pooled for evaluation	517,038	509,267	378,832
Loans, Net of Unearned fees , Individually evaluated for impairment	3,789	4,321	5,535
Total loans, net of unamortized deferred loan fees and discounts	522,412	515,262	386,111
Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	1,216	1,486	1,606
Allowance for Loan Losses, Individually evaluated for impairment	70	54	130
Total allowance for loan losses	1,286	1,540	1,736	1,841
Loans, Net of Unearned fees , Loans pooled for evaluation	32,618	33,142	39,774
Loans, Net of Unearned fees , Individually evaluated for impairment	1,983	3,103	1,673
Total loans, net of unamortized deferred loan fees and discounts	35,037	36,684	41,932
Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans pooled for evaluation	1,023	779	514
Allowance for Loan Losses, Individually evaluated for impairment	17	14	56
Total allowance for loan losses	1,040	793	570	$ 586
Loans, Net of Unearned fees , Loans pooled for evaluation	64,891	55,483	23,285
Loans, Net of Unearned fees , Individually evaluated for impairment	130	196	278
Total loans, net of unamortized deferred loan fees and discounts	65,062	55,721	23,606
Financial Asset Acquired with Credit Deterioration [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans acquired with deteriorated credit quality	7	122	168
Total loans, net of unamortized deferred loan fees and discounts	11,726	14,223	14,476
Financial Asset Acquired with Credit Deterioration [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans acquired with deteriorated credit quality	1	116	130
Total loans, net of unamortized deferred loan fees and discounts	7,607	10,130	9,782
Financial Asset Acquired with Credit Deterioration [Member] | Mortgage Loans on Real Estate [Member] | Commercial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans acquired with deteriorated credit quality	1	116	60
Total loans, net of unamortized deferred loan fees and discounts	6,022	8,456	8,038
Financial Asset Acquired with Credit Deterioration [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans acquired with deteriorated credit quality	6	6	8
Total loans, net of unamortized deferred loan fees and discounts	1,565	1,648	2,189
Financial Asset Acquired with Credit Deterioration [Member] | Consumer [Member] | Home Equity Lines of Credit [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans acquired with deteriorated credit quality	6	6	8
Total loans, net of unamortized deferred loan fees and discounts	1,088	1,167	1,661
Financial Asset Acquired with Credit Deterioration [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans acquired with deteriorated credit quality			30
Total loans, net of unamortized deferred loan fees and discounts	2,554	2,445	2,505
Financial Asset Acquired with Credit Deterioration [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Allowance for Loan Losses, Loans acquired with deteriorated credit quality			70
Total loans, net of unamortized deferred loan fees and discounts	1,585	1,674	1,744
Financial Asset Acquired with Credit Deterioration [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	436	439	485
Financial Asset Acquired with Credit Deterioration [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	$ 41	$ 42	$ 43

XML

Allowance for Loan Losses - Schedule Credit Quality Indicators (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	$ 4,034,331	$ 4,022,014	$ 3,069,733
Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,129,339	3,143,100	2,359,379
Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	418,352	418,982	348,789
Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	269,163	276,548	216,015
Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	217,477	183,384	145,550
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	522,412	515,262	386,111
Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	35,037	36,684	41,932
Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	65,062	55,721	23,606
Originated [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,049,985	2,981,456
Originated [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,287,067	2,254,777
Originated [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	355,340	351,133
Originated [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	227,314	228,635
Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	180,264	146,911
Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	357,559	343,796
Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	31,245	32,660
Originated [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	45,020	34,020
PNCI [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	972,620	1,026,335
PNCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	834,665	878,193
PNCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	61,447	66,201
PNCI [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	39,295	45,468
PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	37,213	36,473
PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	163,268	169,792
PNCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,356	3,585
PNCI [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	20,001	21,659
Commercial [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,606,927	2,627,838	1,973,268
Commercial [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	71,693	62,088	73,952
Commercial [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,929,508	1,910,981
Commercial [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	64,576	56,208
Commercial [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	671,397	708,401
Commercial [Member] | PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	7,117	5,880
Home Equity Lines of Credit [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	318,253	326,577	283,251
Home Equity Lines of Credit [Member] | Originated [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	279,075	284,453
Home Equity Lines of Credit [Member] | PNCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	38,090	40,957
Residential [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	145,784	121,296	$ 71,598
Residential [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	115,688	90,703
Residential [Member] | PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	30,096	30,593
Pass [Member] | Originated [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,976,725	2,904,603
Pass [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,237,214	2,198,816
Pass [Member] | Originated [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	345,083	342,386
Pass [Member] | Originated [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	214,758	217,126
Pass [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	179,670	146,275
Pass [Member] | Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	350,256	337,189
Pass [Member] | Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	27,328	29,289
Pass [Member] | Originated [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	44,611	33,606
Pass [Member] | PNCI [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	961,563	1,014,950
Pass [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	826,981	869,776
Pass [Member] | PNCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	58,852	63,674
Pass [Member] | PNCI [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	38,762	45,027
Pass [Member] | PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	36,968	36,473
Pass [Member] | PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	161,351	167,908
Pass [Member] | PNCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,174	3,413
Pass [Member] | PNCI [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	19,790	21,481
Pass [Member] | Commercial [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,886,958	1,861,627
Pass [Member] | Commercial [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	64,238	55,863
Pass [Member] | Commercial [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	665,630	701,868
Pass [Member] | Commercial [Member] | PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	6,872	5,880
Pass [Member] | Home Equity Lines of Credit [Member] | Originated [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	273,144	279,491
Pass [Member] | Home Equity Lines of Credit [Member] | PNCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	35,888	38,780
Pass [Member] | Residential [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	115,432	90,412
Pass [Member] | Residential [Member] | PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	30,096	30,593
Special Mention [Member] | Originated [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	47,844	45,415
Special Mention [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	34,901	35,207
Special Mention [Member] | Originated [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	4,709	3,704
Special Mention [Member] | Originated [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	7,896	6,127
Special Mention [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	338	377
Special Mention [Member] | Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,807	1,724
Special Mention [Member] | Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,533	1,054
Special Mention [Member] | Originated [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	309	341
Special Mention [Member] | PNCI [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	5,268	5,863
Special Mention [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,836	4,171
Special Mention [Member] | PNCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,231	1,371
Special Mention [Member] | PNCI [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	201	321
Special Mention [Member] | PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,109	1,086
Special Mention [Member] | PNCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	98	74
Special Mention [Member] | PNCI [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	208	173
Special Mention [Member] | Commercial [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	33,094	33,483
Special Mention [Member] | Commercial [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	338	345
Special Mention [Member] | Commercial [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,727	3,085
Special Mention [Member] | Home Equity Lines of Credit [Member] | Originated [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,867	2,309
Special Mention [Member] | Home Equity Lines of Credit [Member] | PNCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	925	1,124
Special Mention [Member] | Residential [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts		32
Substandard [Member] | Originated [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	25,416	31,438
Substandard [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	14,952	20,754
Substandard [Member] | Originated [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	5,548	5,043
Substandard [Member] | Originated [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	4,660	5,382
Substandard [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	256	259
Substandard [Member] | Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	5,496	4,883
Substandard [Member] | Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	2,384	2,317
Substandard [Member] | Originated [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	100	73
Substandard [Member] | PNCI [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	5,789	5,522
Substandard [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,848	4,246
Substandard [Member] | PNCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,364	1,156
Substandard [Member] | PNCI [Member] | Commercial Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	332	120
Substandard [Member] | PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	245
Substandard [Member] | PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	808	798
Substandard [Member] | PNCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	84	98
Substandard [Member] | PNCI [Member] | Other Consumer [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3	5
Substandard [Member] | Commercial [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	9,456	15,871
Substandard [Member] | Commercial [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,040	3,448
Substandard [Member] | Commercial [Member] | PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	245
Substandard [Member] | Home Equity Lines of Credit [Member] | Originated [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	3,064	2,653
Substandard [Member] | Home Equity Lines of Credit [Member] | PNCI [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	1,277	1,053
Substandard [Member] | Residential [Member] | Originated [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	256	$ 259
Substandard [Member] | Residential [Member] | PNCI [Member] | Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans, net of unamortized deferred loan fees and discounts	$ 0

XML

Allowance for Loan Losses - Analysis of Past Due and Nonaccrual Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	$ 4,034,331	$ 4,022,014	$ 3,069,733
Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	3,129,339	3,143,100	2,359,379
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	418,352	418,982	348,789
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	269,163	276,548	216,015
Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	217,477	183,384	145,550
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	522,412	515,262	386,111
Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	35,037	36,684	41,932
Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	65,062	55,721	23,606
Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	2,606,927	2,627,838	1,973,268
Commercial [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	71,693	62,088	73,952
Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	318,253	326,577	283,251
Residential [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	145,784	121,296	$ 71,598
Originated [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	10,032	10,460
Current	3,039,953	2,970,996
Total	3,049,985	2,981,456
> 90 Days and Still Accruing	40
Originated [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	4,295	4,212
Current	2,282,772	2,250,565
Total	2,287,067	2,254,777
Originated [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	3,006	3,160
Current	352,334	347,973
Total	355,340	351,133
> 90 Days and Still Accruing	26
Originated [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,946	2,879
Current	225,368	225,756
Total	227,314	228,635
> 90 Days and Still Accruing	14
Originated [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	785	209
Current	179,479	146,702
Total	180,264	146,911
Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2,627	2,285
Current	354,932	341,511
Total	357,559	343,796
Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	699	1,281
Current	30,546	31,379
Total	31,245	32,660
> 90 Days and Still Accruing	17
Originated [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	160	315
Current	44,860	33,705
Total	45,020	34,020
> 90 Days and Still Accruing	9
Originated [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,668	1,927
Current	1,927,840	1,909,054
Total	1,929,508	1,910,981
Originated [Member] | Commercial [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	64,576	56,208
Total	64,576	56,208
Originated [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2,147	1,564
Current	276,928	282,889
Total	279,075	284,453
Originated [Member] | Residential [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	785	209
Current	114,903	90,494
Total	115,688	90,703
PNCI [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	6,492	6,908
Current	966,128	1,019,427
Total	972,620	1,026,335
PNCI [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	5,574	5,162
Current	829,091	873,031
Total	834,665	878,193
PNCI [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	584	810
Current	60,863	65,391
Total	61,447	66,201
PNCI [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	334	936
Current	38,961	44,532
Total	39,295	45,468
PNCI [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	37,213	36,473
Total	37,213	36,473
PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,727	1,298
Current	161,541	168,494
Total	163,268	169,792
PNCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	14	74
Current	3,342	3,511
Total	3,356	3,585
PNCI [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	151	160
Current	19,850	21,499
Total	20,001	21,659
PNCI [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	3,847	3,864
Current	667,550	704,537
Total	671,397	708,401
PNCI [Member] | Commercial [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	7,117	5,880
Total	7,117	5,880
PNCI [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	419	576
Current	37,671	40,381
Total	38,090	40,957
PNCI [Member] | Residential [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	30,096	30,593
Total	30,096	30,593
30-59 Days [Member] | Originated [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	7,342	5,617
30-59 Days [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2,998	2,106
30-59 Days [Member] | Originated [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2,437	2,249
30-59 Days [Member] | Originated [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,122	1,053
30-59 Days [Member] | Originated [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	785	209
30-59 Days [Member] | Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2,231	1,675
30-59 Days [Member] | Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	512	1,043
30-59 Days [Member] | Originated [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	151	298
30-59 Days [Member] | Originated [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	767	431
30-59 Days [Member] | Originated [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,774	908
30-59 Days [Member] | Originated [Member] | Residential [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	785	209
30-59 Days [Member] | PNCI [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	4,940	3,871
30-59 Days [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	4,355	2,655
30-59 Days [Member] | PNCI [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	583	538
30-59 Days [Member] | PNCI [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2	678
30-59 Days [Member] | PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,457	1,009
30-59 Days [Member] | PNCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	14	74
30-59 Days [Member] | PNCI [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	151	160
30-59 Days [Member] | PNCI [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2,898	1,646
30-59 Days [Member] | PNCI [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	418	304
60-89 Days [Member] | Originated [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	488	1,999
60-89 Days [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		1,332
60-89 Days [Member] | Originated [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	35	88
60-89 Days [Member] | Originated [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	453	579
60-89 Days [Member] | Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		132
60-89 Days [Member] | Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	24	24
60-89 Days [Member] | Originated [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		17
60-89 Days [Member] | Originated [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		1,200
60-89 Days [Member] | Originated [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	11	47
60-89 Days [Member] | PNCI [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	369	1,449
60-89 Days [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	270	1,269
60-89 Days [Member] | PNCI [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		35
60-89 Days [Member] | PNCI [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	99	145
60-89 Days [Member] | PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	270	133
60-89 Days [Member] | PNCI [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		1,136
60-89 Days [Member] | PNCI [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		35
> 90 Days [Member] | Originated [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2,202	2,844
> 90 Days [Member] | Originated [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,297	774
> 90 Days [Member] | Originated [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	534	823
> 90 Days [Member] | Originated [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	371	1,247
> 90 Days [Member] | Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	396	478
> 90 Days [Member] | Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	163	214
> 90 Days [Member] | Originated [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	9
> 90 Days [Member] | Originated [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	901	296
> 90 Days [Member] | Originated [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	362	609
> 90 Days [Member] | PNCI [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,183	1,588
> 90 Days [Member] | PNCI [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	949	1,238
> 90 Days [Member] | PNCI [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1	237
> 90 Days [Member] | PNCI [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	233	113
> 90 Days [Member] | PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		156
> 90 Days [Member] | PNCI [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	949	1,082
> 90 Days [Member] | PNCI [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	$ 1	$ 237

XML

Allowance for Loan Losses - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Originated [Member]
Loans and Leases Receivable Disclosure [Line Items]
Interest income on non accrual loans	$ 279,000	$ 285,000
Interest income on non accrual loans ,recognized	33,000	22,000
Impaired TDR Loans	9,547,000	9,871,000	$ 10,253,000
Obligations to lend additional funds on TDR	0	0	0
PNCI [Member]
Loans and Leases Receivable Disclosure [Line Items]
Interest income on non accrual loans	121,000	27,000
Interest income on non accrual loans ,recognized	60,000	0
Impaired TDR Loans	823,000	1,471,000	615,000
Obligations to lend additional funds on TDR	$ 0	$ 0	$ 0

XML

Allowance for Loan Losses - Schedule of Non Accrual Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	$ 16,322	$ 22,274
Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	9,312	14,309
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	3,534	4,090
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	3,476	3,875
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	3,374	3,578
Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	1,635	1,769
Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	32	7
Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	5,938	10,731
Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	1,867	2,314
Originated [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	13,696	19,416
Originated [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	7,559	12,507
Originated [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	2,993	3,154
Originated [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	3,144	3,755
Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	3,066	3,244
Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	1,599	1,722
Originated [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	28	3
Originated [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	4,493	9,263
Originated [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	1,366	1,429
PNCI [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	2,626	2,858
PNCI [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	1,753	1,802
PNCI [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	541	936
PNCI [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	332	120
PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	308	334
PNCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	36	47
PNCI [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	4	4
PNCI [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	1,445	1,468
PNCI [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	$ 501	$ 885

XML

Allowance for Loan Losses - Impaired Loans (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Originated [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	$ 19,693	$ 23,903	$ 27,385
Recorded investment with no related allowance	15,032	15,624	20,904
Recorded investment with related allowance	2,841	7,254	4,539
Total recorded investment	17,873	22,878	25,443
Related Allowance	1,362	2,617	1,948
Average recorded investment	22,199	24,072	24,713
Interest income recognized	32	112	386
Originated [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	10,919	15,785	17,675
Recorded investment with no related allowance	9,355	12,526	14,339
Recorded investment with related allowance	592	2,787	2,073
Total recorded investment	9,947	15,313	16,412
Related Allowance	92	344	98
Average recorded investment	13,482	16,581	16,632
Interest income recognized	28	72	227
Originated [Member] | Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	4,236	3,226	4,277
Recorded investment with no related allowance	3,376	2,081	3,641
Recorded investment with related allowance	206	727	179
Total recorded investment	3,582	2,808	3,820
Related Allowance	47	160	76
Average recorded investment	3,939	2,808	3,422
Interest income recognized	4	12	68
Originated [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	4,538	4,756	5,433
Recorded investment with no related allowance	2,301	881	2,924
Recorded investment with related allowance	2,043	3,740	2,287
Total recorded investment	4,344	4,621	5,211
Related Allowance	1,223	2,113	1,774
Average recorded investment	4,778	4,545	4,654
Interest income recognized		26	91
Originated [Member] | Construction [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance		136
Recorded investment with no related allowance		136
Total recorded investment		136
Average recorded investment		138	5
Interest income recognized		2
Originated [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	4,148	4,378	4,594
Recorded investment with no related allowance	3,481	2,678	3,663
Recorded investment with related allowance		1,525	308
Total recorded investment	3,481	4,203	3,971
Related Allowance	55	190	56
Average recorded investment	4,029	4,071	3,517
Interest income recognized	6	28	90
Originated [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	2,333	1,744	2,374
Recorded investment with no related allowance	1,639	1,193	1,892
Recorded investment with related allowance	120	196	65
Total recorded investment	1,759	1,389	1,957
Related Allowance	20	10	2
Average recorded investment	1,963	1,347	1,520
Interest income recognized		2	23
Originated [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	46	4	3
Recorded investment with related allowance	28	4	3
Total recorded investment	28	4	3
Related Allowance	9	4	3
Average recorded investment	33	6	17
Interest income recognized			2
Originated [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	6,771	11,407	13,081
Recorded investment with no related allowance	5,874	9,848	10,676
Recorded investment with related allowance	592	1,262	1,765
Total recorded investment	6,466	11,110	12,441
Related Allowance	37	154	42
Average recorded investment	9,453	12,510	13,115
Interest income recognized	22	44	137
Originated [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	1,857	1,478	1,900
Recorded investment with no related allowance	1,737	888	1,749
Recorded investment with related allowance	58	527	111
Total recorded investment	1,795	1,415	1,860
Related Allowance	18	146	71
Average recorded investment	1,943	1,455	1,885
Interest income recognized	4	10	43
Originated [Member] | Residential [Member] | Construction [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance		136
Recorded investment with no related allowance		136
Total recorded investment		136
Average recorded investment		138	5
Interest income recognized		2
PNCI [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	4,943	3,027	4,990
Recorded investment with no related allowance	2,433	1,901	2,570
Recorded investment with related allowance	739	1,024	656
Total recorded investment	3,172	2,925	3,226
Related Allowance	388	474	246
Average recorded investment	3,224	2,946	3,691
Interest income recognized	60	12	207
PNCI [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	3,433	1,390	3,485
Recorded investment with no related allowance	1,753	1,332	1,802
Total recorded investment	1,753	1,332	1,802
Average recorded investment	1,777	1,345	2,242
Interest income recognized	58	2	188
PNCI [Member] | Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	1,175	1,637	1,385
Recorded investment with no related allowance	567	569	655
Recorded investment with related allowance	520	1,024	649
Total recorded investment	1,087	1,593	1,304
Related Allowance	169	474	239
Average recorded investment	1,221	1,601	1,389
Interest income recognized		10	18
PNCI [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	335		120
Recorded investment with no related allowance	113		113
Recorded investment with related allowance	219		7
Total recorded investment	332		120
Related Allowance	219		7
Average recorded investment	226		60
Interest income recognized	2		1
PNCI [Member] | Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	344	1,390	375
Recorded investment with no related allowance	308	1,332	334
Total recorded investment	308	1,332	334
Average recorded investment	321	1,345	529
Interest income recognized		2	5
PNCI [Member] | Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	242	298	252
Recorded investment with no related allowance	102	40	47
Recorded investment with related allowance	122	244	197
Total recorded investment	224	284	244
Related Allowance	50	120	101
Average recorded investment	232	225	155
Interest income recognized		3
PNCI [Member] | Other Consumer [Member] | Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	102	274	106
Recorded investment with no related allowance	64	28	21
Recorded investment with related allowance	38	246	85
Total recorded investment	102	274	106
Related Allowance	7	52	11
Average recorded investment	106	262	114
Interest income recognized		2
PNCI [Member] | Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	3,089		3,110
Recorded investment with no related allowance	1,445		1,468
Total recorded investment	1,445		1,468
Average recorded investment	1,456		1,713
Interest income recognized	58		183
PNCI [Member] | Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance	831	1,065	1,027
Recorded investment with no related allowance	401	501	587
Recorded investment with related allowance	360	534	367
Total recorded investment	761	1,035	954
Related Allowance	112	302	127
Average recorded investment	$ 883	1,114	1,120
Interest income recognized		$ 5	$ 18

XML

Allowance for Loan Losses - Troubled Debt Restructurings (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) Branches SecurityLoan	Mar. 31, 2018 USD ($) Branches SecurityLoan
Financing Receivable, Modifications [Line Items]
Number | SecurityLoan	4	3
Pre-mod outstanding principal balance	$ 299	$ 638
Post-mod outstanding principal balance	297	643
Financial impact due to TDR taken as additional provision	$ 1	$ 11
Number that defaulted during the period | Branches	1	1
Recorded investment of TDRs that defaulted during the period	$ 7	$ 169
Mortgage Loans on Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number | SecurityLoan	1	1
Pre-mod outstanding principal balance	$ 163	$ 384
Post-mod outstanding principal balance	$ 162	384
Financial impact due to TDR taken as additional provision		$ 11
Number that defaulted during the period | Branches		1
Recorded investment of TDRs that defaulted during the period		$ 169
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number | SecurityLoan	1	2
Pre-mod outstanding principal balance	$ 121	$ 254
Post-mod outstanding principal balance	120	$ 259
Financial impact due to TDR taken as additional provision	$ 1
Commercial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number | SecurityLoan	2
Pre-mod outstanding principal balance	$ 15
Post-mod outstanding principal balance	$ 15
Number that defaulted during the period | Branches	1
Recorded investment of TDRs that defaulted during the period	$ 7
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number | SecurityLoan	1
Pre-mod outstanding principal balance	$ 163
Post-mod outstanding principal balance	$ 162
Home Equity Loans [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number | SecurityLoan	1	1
Pre-mod outstanding principal balance	$ 121	$ 121
Post-mod outstanding principal balance	120	$ 121
Financial impact due to TDR taken as additional provision	$ 1
Commercial [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number | SecurityLoan		1
Pre-mod outstanding principal balance		$ 384
Post-mod outstanding principal balance		384
Financial impact due to TDR taken as additional provision		$ 11
Number that defaulted during the period | Branches		1
Recorded investment of TDRs that defaulted during the period		$ 169
Home Equity Lines of Credit [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number | SecurityLoan		1
Pre-mod outstanding principal balance		$ 133
Post-mod outstanding principal balance		$ 138

XML

Leases - Lease Costs and Other Lease Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Operating lease cost	$ 1,311
Short-term lease cost	71
Variable lease cost	(5)
Sublease income	(34)
Total lease cost	$ 1,343

XML

Leases - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2018 USD ($)
Operating Leases, Rent Expense	$ 921,000
Rental Income, Nonoperating	$ 10,000

XML

Leases - Supplemental Cash Flow Information Related To Operating Leases (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ 1,218
ROUA obtained in exchange for operating lease liabilities	$ 32,006

XML

Leases - Weighted Average Lease Term And Discount Rate Related To Operating Lease (Detail)	Mar. 31, 2019
Operating Lease, Weighted Average Remaining Lease Term	9 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	3.17%

XML

Leases - Future Minimum Rental Payments For Operating Leases (Detail) $ in Thousands	Mar. 31, 2019 USD ($)
2019	$ 3,519
2020	4,380
2021	4,226
2022	3,887
2023	3,208
Thereafter	16,455
Operating Leases, Future Minimum Payments Due	35,675
Discount for present value of expected cash flows	(5,471)
Lease liability at March 31, 2019	$ 30,204

XML

Deposits - Summary of Balances of Deposits (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Deposits [Abstract]
Noninterest-bearing demand	$ 1,761,559	$ 1,760,580
Interest-bearing demand	1,297,672	1,252,366
Savings	1,925,168	1,921,324
Time certificates, $250,000 and above	135,716	132,429
Other time certificates	310,147	299,767
Total deposits	$ 5,430,262	$ 5,366,466

XML

Deposits - Additional Information (Detail) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Schedule Of Deposits [Line Items]
Overdrawn deposit balances classified as consumer loans	$ 1,207,000	$ 1,469,000
California [Member]
Schedule Of Deposits [Line Items]
Certificate of deposits, included in time certificates, over $250,000	$ 50,000,000	$ 60,000,000

XML

Commitments and Contingencies - Summary of Bank's Commitments and Contingent Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments to extend credit
Construction [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments to extend credit	232,385	248,996
RE Mortgage [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments to extend credit	163,733	140,292
Standby Letters of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments to extend credit	11,743	11,346
Commercial [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments to extend credit	316,382	306,191
Consumer Loans [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments to extend credit	514,413	496,575
Deposit Account Overdraft Privilege [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments to extend credit	$ 115,552	$ 111,956

XML

Shareholders' Equity - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Aug. 21, 2007
Class of Stock [Line Items]
Cash dividends received	$ 8,114,000	$ 4,372,000
Repurchase of common stock					500,000
Common stock, shares outstanding	30,432,419		30,417,223
Market value of shares repurchased under equity compensation plans	$ 647,000	$ 4,000
2007 Stock Repurchase Plan [Member]
Class of Stock [Line Items]
Common stock, shares outstanding	0	0
Cumulative number of shares repurchased	196,566
Common Stock [Member]
Class of Stock [Line Items]
Common stock, shares outstanding	30,432,419	22,956,323	30,417,223	22,955,963
Company's common stock in lieu of cash to exercise options to purchase shares	16,418	134
Market value of shares repurchased under equity compensation plans	$ 647,000	$ 4,000

XML

Stock Options and Other Equity-Based Incentive Instruments - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options currently not exercisable yet expected to vest	1,125
Restricted Stock Units (RSUs) [Member] | Market Plus Service Condition Vesting RSUs [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of units outstanding expected to vest	45,536	45,536
Weighted-average remaining contractual term	1 year 2 months 12 days
Pre-tax compensation costs	$ 633,000
Restricted Stock Units (RSUs) [Member] | Service Condition Vesting RSUs [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of units outstanding expected to vest	66,914	66,947
Options available for grant under the plan	66,914
Weighted-average remaining contractual term	1 year 2 months 12 days
Pre-tax compensation costs	$ 1,465,000
Number of units released	355
Maximum [Member] | Restricted Stock Units (RSUs) [Member] | Market Plus Service Condition Vesting RSUs [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of units released	68,304

XML

Stock Options and Other Equity-Based Incentive Instruments - Stock Option Activity (Detail)	3 Months Ended
	Mar. 31, 2019 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options outstanding, Number of Shares, beginning balance | shares	343,000
Options exercised, Number of Shares | shares	(41,000)
Options outstanding, Number of Shares, ending balance | shares	302,000
Options outstanding, Weighted Average Exercise Price, beginning balance	$ 16.67
Options exercised, Weighted Average Exercise Price	15.78
Options outstanding, Weighted Average Exercise Price, ending balance	16.88
Minimum [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options outstanding, Option Price per Share, beginning balance	12.63
Options exercised, Option Price per Share	12.63
Options outstanding, Option Price per Share, ending balance	14.54
Maximum [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options outstanding, Option Price per Share, beginning balance	23.21
Options exercised, Option Price per Share	19.46
Options outstanding, Option Price per Share, ending balance	$ 23.21

XML

Stock Options and Other Equity-Based Incentive Instruments - Summary of Options Outstanding (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of options	302,000	343,000
Weighted average exercise price	$ 16.88	$ 16.67
Intrinsic value (in thousands)	$ 5,107
Weighted average remaining contractual term (yrs.)	3 years 4 months 24 days
Currently Exercisable [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of options	300,875
Weighted average exercise price	$ 16.86
Intrinsic value (in thousands)	$ 5,095
Weighted average remaining contractual term (yrs.)	3 years 4 months 24 days
Currently Not Exercisable [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of options	1,125
Weighted average exercise price	$ 23.21
Intrinsic value (in thousands)	$ 12
Weighted average remaining contractual term (yrs.)	5 years 9 months 18 days

XML

Stock Options and Other Equity-Based Incentive Instruments - Restricted Stock Unit (RSU) Activity (Detail) - Restricted Stock Units (RSUs) [Member]	3 Months Ended
	Mar. 31, 2019 shares
Market Plus Service Condition Vesting RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs outstanding, Number of RSUs, beginning balance	45,536
RSUs outstanding, Number of RSUs, ending balance	45,536
Service Condition Vesting RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs outstanding, Number of RSUs, beginning balance	66,947
RSUs added through dividend credits, Number of RSUs	322
RSUs released through vesting, Number of RSUs	(355)
RSUs outstanding, Number of RSUs, ending balance	66,914

XML

Noninterest Income and Expense - Components of Other Noninterest Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Schedule Of Other Noninterest Income And Expense [Line Items]
Total service charges and fees	$ 9,070	$ 9,356
Increase in cash value of life insurance	775	608
Asset management and commission income	642	876
Gain on sale of loans	412	626
Lease brokerage income	220	128
Sale of customer checks	140	101
Gain on sale of foreclosed assets	99	371
Gain (loss) on marketable equity securities	36	(48)
Loss on disposal of fixed assets	(38)	(13)
Other	508	285
Total other noninterest income	2,794	2,934
Total noninterest income	11,864	12,290
ATM and Interchange Fees [Member]
Schedule Of Other Noninterest Income And Expense [Line Items]
Total service charges and fees	4,581	4,235
Service Charges on Deposit Accounts [Member]
Schedule Of Other Noninterest Income And Expense [Line Items]
Total service charges and fees	3,880	3,779
Other Service Fees [Member]
Schedule Of Other Noninterest Income And Expense [Line Items]
Total service charges and fees	771	714
Mortgage Banking Service Fees [Member]
Schedule Of Other Noninterest Income And Expense [Line Items]
Total service charges and fees	483	517
Change in Value of Mortgage Servicing Rights [Member]
Schedule Of Other Noninterest Income And Expense [Line Items]
Total service charges and fees	$ (645)	$ 111

XML

Noninterest Income and Expense - Components of Noninterest Expense (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Base salaries, net of deferred loan origination costs	$ 16,757	$ 13,962
Incentive compensation	2,567	2,452
Benefits and other compensation costs	5,804	5,238
Total salaries and benefits expense	25,128	21,652
Occupancy	3,774	2,681
Data processing and software	3,349	2,514
Equipment	1,867	1,551
Intangible amortization	1,431	339
Advertising	1,331	838
ATM and POS network charges	1,323	1,226
Professional fees	839	773
Telecommunications	797	701
Regulatory assessments and insurance	511	430
Merger and acquisition expense		476
Postage	310	358
Operational losses	225	294
Courier service	270	267
Other miscellaneous expense	4,358	4,062
Total other noninterest expense	20,385	16,510
Total noninterest expense	$ 45,513	$ 38,162

XML

Earnings Per Share - Computation of Earnings Per Share (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net income	$ 22,726	$ 13,910
Average number of common shares outstanding	30,424	22,956
Effect of dilutive stock options and restricted stock	234	327
Average number of common shares outstanding used to calculate diluted earnings per share	30,658	23,283

XML

Comprehensive Income - Components of Other Comprehensive Income (Loss) and Related Tax Effects (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other Comprehensive Income (Loss)
Unrealized holding gains (losses) on available for sale securities before reclassifications	$ 12,710	$ (15,265)
Amounts reclassified out of accumulated other comprehensive income:
Total amounts reclassified out of accumulated other comprehensive income		(363)
Unrealized holding gains (losses) on available for sale securities after reclassifications	12,710	(15,628)
Tax effect	(3,758)	4,602
Unrealized holding gains (losses) on available for sale securities, net of tax	8,952	(11,026)
Change in unfunded status of the supplemental retirement plans before reclassifications	(89)	667
Amounts reclassified out of accumulated other comprehensive income:
Amortization of prior service cost	(13)	(13)
Amortization of actuarial losses	102	127
Total amounts reclassified out of accumulated other comprehensive income	89	(554)
Change in unfunded status of the supplemental retirement plans after reclassifications		113
Tax effect		(33)
Change in unfunded status of the supplemental retirement plans, net of tax		80
Other comprehensive income (loss)	$ 8,952	(10,946)
ASU 2016-01 [Member]
Amounts reclassified out of accumulated other comprehensive income:
Total amounts reclassified out of accumulated other comprehensive income		62
ASU 2018-02 [Member]
Amounts reclassified out of accumulated other comprehensive income:
Total amounts reclassified out of accumulated other comprehensive income		(425)
Amounts reclassified out of accumulated other comprehensive income:
Total amounts reclassified out of accumulated other comprehensive income		$ (668)

XML

Comprehensive Income - Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (8,927)	$ (17,879)
Net Unrealized Loss on Available for Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, before tax	(8,264)	(20,974)
Accumulated other comprehensive loss, tax effect	2,443	6,201
Accumulated other comprehensive loss	(5,821)	(14,773)
Unfunded Status of Supplemental Retirement Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, before tax	(4,802)	(4,802)
Accumulated other comprehensive loss, tax effect	1,420	1,420
Accumulated other comprehensive loss	(3,382)	(3,382)
Joint Beneficiary Agreement Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, before tax	276	276
Accumulated other comprehensive loss	$ 276	$ 276

XML

Fair Value Measurement - Recorded Amount of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value Measurements on Recurring Basis [Member] - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	$ 1,128,408	$ 1,128,695
Marketable Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	2,910	2,874
Obligations of U.S. Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	627,100	629,981
Obligations of States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	129,349	126,072
Corporate Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	4,478	4,478
Asset-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	352,589	354,505
Loans Held For Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	5,410	3,687
Mortgage Servicing Rights [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	6,572	7,098
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	2,910	2,874
Level 1 [Member] | Marketable Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	2,910	2,874
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	1,118,926	1,118,723
Level 2 [Member] | Obligations of U.S. Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	627,100	629,981
Level 2 [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	129,349	126,072
Level 2 [Member] | Corporate Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	4,478	4,478
Level 2 [Member] | Asset-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	352,589	354,505
Level 2 [Member] | Loans Held For Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	5,410	3,687
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	6,572	7,098
Level 3 [Member] | Mortgage Servicing Rights [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	$ 6,572	$ 7,098

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Fair Value Measurement - Additional Information (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Fair Value Disclosures [Abstract]
Transfers between level 1 to level 2, Assets	$ 0	$ 0
Transfers between level 2 to level 1, Assets	0	0
Transfers between level 1 to level 2, Liabilities	0	0
Transfers between level 2 to level 1, Liabilities	0	0
Transfer into level 3	0	0
Transfer out of level 3	0	$ 0
Carrying value of loans fully charged-off	$ 0

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Fair Value Measurement - Reconciliation of Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) on Recurring Basis (Detail) - Mortgage Servicing Rights [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 7,098	$ 6,687
Change Included in Earnings	(645)	111
Issuances	119	155
Ending Balance	$ 6,572	$ 6,953

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Fair Value Measurement - Quantitative Information about Recurring Level 3 Fair Value Measurements (Detail) - Mortgage Servicing Rights [Member] $ in Thousands	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgages Servicing Rights, Fair Value	$ 6,572	$ 7,098
Minimum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Constant Prepayment Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Constant prepayment rate	5.4	5.0
Minimum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Constant prepayment rate	12	12
Maximum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Constant Prepayment Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Constant prepayment rate	27.1	27.3
Maximum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Constant prepayment rate	13	13
Weighted Average [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Constant Prepayment Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Constant prepayment rate	8.9	7.6
Weighted Average [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Constant prepayment rate	12	12

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Fair Value Measurement - Assets and Liabilities Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Impaired Originated & PNCI Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	$ 212		$ 281
Fair Value Nonrecurring Basis [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	426	$ 2,877	1,592
Total Gains/(Losses)	(99)	(882)	(302)
Fair Value Nonrecurring Basis [Member] | Impaired Originated & PNCI Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	212	2,103	281
Total Gains/(Losses)	(197)	(795)	(294)
Fair Value Nonrecurring Basis [Member] | Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	214	774	1,311
Total Gains/(Losses)	98	(87)	(8)
Fair Value Nonrecurring Basis [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	426	2,877	1,592
Fair Value Nonrecurring Basis [Member] | Level 3 [Member] | Impaired Originated & PNCI Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	212	2,103	281
Fair Value Nonrecurring Basis [Member] | Level 3 [Member] | Foreclosed Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	$ 214	$ 774	$ 1,311

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Fair Value Measurement - Quantitative Information about Level 3 Fair Value Measurements for Financial Instruments Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Impaired Originated & PNCI Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 212	$ 281
Foreclosed Assets [Member] | Residential Real Estate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 214	693
Foreclosed Assets [Member] | Commercial Real Estate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value		$ 618
Level 3 [Member] | Sales Comparison Approach [Member] | Minimum [Member] | Impaired Originated & PNCI Loans [Member] | Adjustment for Differences between Comparable Sales [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted average		(16.30%)
Level 3 [Member] | Sales Comparison Approach [Member] | Minimum [Member] | Foreclosed Assets [Member] | Residential Real Estate [Member] | Adjustment for Differences between Comparable Sales [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted average		(21.83%)
Level 3 [Member] | Sales Comparison Approach [Member] | Minimum [Member] | Foreclosed Assets [Member] | Commercial Real Estate [Member] | Adjustment for Differences between Comparable Sales [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted average		(65.00%)
Level 3 [Member] | Sales Comparison Approach [Member] | Maximum [Member] | Impaired Originated & PNCI Loans [Member] | Adjustment for Differences between Comparable Sales [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted average		35.14%
Level 3 [Member] | Sales Comparison Approach [Member] | Maximum [Member] | Foreclosed Assets [Member] | Residential Real Estate [Member] | Adjustment for Differences between Comparable Sales [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted average		7.25%
Level 3 [Member] | Sales Comparison Approach [Member] | Maximum [Member] | Foreclosed Assets [Member] | Commercial Real Estate [Member] | Adjustment for Differences between Comparable Sales [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted average		20.00%
Level 3 [Member] | Sales Comparison Approach [Member] | Weighted Average [Member] | Impaired Originated & PNCI Loans [Member] | Adjustment for Differences between Comparable Sales [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted average		10.45%
Level 3 [Member] | Sales Comparison Approach [Member] | Weighted Average [Member] | Foreclosed Assets [Member] | Residential Real Estate [Member] | Adjustment for Differences between Comparable Sales [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted average		(3.75%)
Level 3 [Member] | Sales Comparison Approach [Member] | Weighted Average [Member] | Foreclosed Assets [Member] | Commercial Real Estate [Member] | Adjustment for Differences between Comparable Sales [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted average		(45.00%)

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Fair Value Measurement - Estimated Fair Values of Financial Instruments that are Reported at Amortized Cost in Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financial assets:
Cash and due from banks	$ 105,103	$ 119,781
Cash at Federal Reserve and other banks	213,605	107,752
Securities held to maturity	431,016	444,936
Loans held for sale	5,410	3,687
Financial liabilities:
Other borrowings	12,466	15,839
Junior subordinated debt	57,085	57,042
Level 3 [Member] | Overdraft Privilege Commitments [Member]
Off-balance sheet:
Contract amount, Off-balance sheet	115,552	111,956
Level 3 [Member] | Standby Letters of Credit [Member]
Off-balance sheet:
Contract amount, Off-balance sheet	11,743	11,346
Level 3 [Member] | Commitments [Member]
Off-balance sheet:
Contract amount, Off-balance sheet	1,226,913	1,192,054
Fair Value [Member] | Level 3 [Member]
Financial assets:
Loans, net	4,053,496	4,006,986
Financial liabilities:
Junior subordinated debt	56,180	62,610
Fair Value [Member] | Level 3 [Member] | Overdraft Privilege Commitments [Member]
Off-balance sheet:
Fair value, Off-balance sheet	1,156	1,120
Fair Value [Member] | Level 3 [Member] | Standby Letters of Credit [Member]
Off-balance sheet:
Fair value, Off-balance sheet	117	113
Fair Value [Member] | Level 3 [Member] | Commitments [Member]
Off-balance sheet:
Fair value, Off-balance sheet	12,269	11,921
Fair Value [Member] | Level 1 [Member]
Financial assets:
Cash and due from banks	105,103	119,781
Cash at Federal Reserve and other banks	213,605	107,752
Fair Value [Member] | Level 2 [Member]
Financial assets:
Securities held to maturity	430,773	437,370
Loans held for sale	5,410	4,616
Financial liabilities:
Deposits	5,427,004	5,362,173
Other borrowings	12,466	15,839
Carrying Amount [Member] | Level 3 [Member]
Financial assets:
Loans, net	4,002,267	3,989,432
Financial liabilities:
Junior subordinated debt	57,085	57,042
Carrying Amount [Member] | Level 1 [Member]
Financial assets:
Cash and due from banks	105,103	119,781
Cash at Federal Reserve and other banks	213,605	107,752
Carrying Amount [Member] | Level 2 [Member]
Financial assets:
Securities held to maturity	431,016	444,936
Restricted equity securities	17,250	17,250
Loans held for sale	5,410	3,687
Financial liabilities:
Deposits	5,430,262	5,366,466
Other borrowings	$ 12,466	$ 15,839

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Regulatory Matters - Actual and Required Capital Ratios of Bank (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Schedule of Capitalization [Line Items]
Total Capital (to Risk Weighted Assets), Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	10.00%	10.00%
Tier 1 Capital (to Risk Weighted Assets), Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	8.00%	8.00%
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%
Tier 1 Capital (to Average Assets), Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	5.00%	5.00%
Parent [Member]
Schedule of Capitalization [Line Items]
Total Capital (to Risk Weighted Assets), Actual, Amount	$ 700,542	$ 682,419
Tier 1 Capital (to Risk Weighted Assets), Actual, Amount	665,688	647,262
Common Equity Tier 1 Capital (to Risk Weighted Assets), Actual, Amount	610,317	591,933
Tier 1 Capital (to Average Assets), Actual, Amount	$ 665,688	$ 647,262
Total Capital (to Risk Weighted Assets), Actual, Ratio	14.73%	14.40%
Tier 1 Capital (to Risk Weighted Assets), Actual, Ratio	14.00%	13.66%
Common Equity Tier 1 Capital (to Risk Weighted Assets), Actual, Ratio	12.83%	12.49%
Tier 1 Capital (to Average Assets), Actual, Ratio	10.84%	10.68%
Parent [Member] | Basel III Phase-in Schedule [Member]
Schedule of Capitalization [Line Items]
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount		$ 467,874
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount		373,115
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount		302,045
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Amount		$ 242,452
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio		9.875%
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio		7.875%
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio		6.375%
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Ratio		4.00%
Parent [Member] | Basel III Fully Phased In [Member]
Schedule of Capitalization [Line Items]
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	$ 449,380	$ 497,486
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	404,260	402,727
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	332,920	331,658
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Amount	$ 245,649	$ 242,452
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	10.50%	10.50%
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	8.50%	8.50%
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	7.00%	7.00%
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Ratio	4.00%	4.00%
Tri Countries Bank [Member]
Schedule of Capitalization [Line Items]
Total Capital (to Risk Weighted Assets), Actual, Amount	$ 697,549	$ 680,624
Tier 1 Capital (to Risk Weighted Assets), Actual, Amount	662,695	645,467
Common Equity Tier 1 Capital (to Risk Weighted Assets), Actual, Amount	662,695	645,467
Tier 1 Capital (to Average Assets), Actual, Amount	$ 662,695	$ 645,467
Total Capital (to Risk Weighted Assets), Actual, Ratio	14.67%	14.37%
Tier 1 Capital (to Risk Weighted Assets), Actual, Ratio	13.94%	13.63%
Common Equity Tier 1 Capital (to Risk Weighted Assets), Actual, Ratio	13.94%	13.63%
Tier 1 Capital (to Average Assets), Actual, Ratio	10.79%	10.65%
Total Capital (to Risk Weighted Assets), Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 475,424	$ 473,624
Tier 1 Capital (to Risk Weighted Assets), Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	380,339	378,899
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	309,026	307,856
Tier 1 Capital (to Average Assets), Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	307,054	303,059
Tri Countries Bank [Member] | Basel III Phase-in Schedule [Member]
Schedule of Capitalization [Line Items]
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount		467,704
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount		372,979
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount		301,935
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Amount		$ 242,447
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio		9.875%
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio		7.875%
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio		6.375%
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Ratio		4.00%
Tri Countries Bank [Member] | Basel III Fully Phased In [Member]
Schedule of Capitalization [Line Items]
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	499,195	$ 497,305
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	404,111	402,581
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	332,797	331,537
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Amount	$ 245,643	$ 242,447
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	10.50%	10.50%
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	8.50%	8.50%
Common Equity Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	7.00%	7.00%
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Ratio	4.00%	4.00%