10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

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

For the Quarterly Period Ended September 30, 2020

OR

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

For the transition period from                         to ____________

Commission File Number: 0-19065

SANDY SPRING BANCORP, INC.

(Exact name of registrant as specified in its charter)

Maryland	52-1532952
(State of incorporation)	(I.R.S. Employer Identification Number)

17801 Georgia Avenue, Olney, Maryland	20832
(Address of principal executive office)	(Zip Code)

301-774-6400

(Registrant’s telephone number, including area code)

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, par value $1.00 per share	SASR	The NASDAQ Stock Market, LLC

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 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 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, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “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 ☒

The number of outstanding shares of common stock outstanding as of November 4, 2020

Common stock, $1.00 par value – 47,040,422 shares

SANDY SPRING BANCORP, INC.

TABLE OF CONTENTS

	Page
PART I - FINANCIAL INFORMATION
Item 1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
Condensed Consolidated Statements of Condition - Unaudited at September 30, 2020 and December 31, 2019	3
Condensed Consolidated Statements of Income - Unaudited for the Three and Nine Months Ended September 30, 2020 and 2019	4
Condensed Consolidated Statements of Comprehensive Income – Unaudited for the Three and Nine Months Ended September 30, 2020 and 2019	5
Condensed Consolidated Statements of Changes in Stockholders’ Equity – Unaudited for the Three and Nine Months Ended September 30, 2020 and 2019	6
Condensed Consolidated Statements of Cash Flows – Unaudited for the Nine Months Ended September 30, 2020 and 2019	8
Notes to the Condensed Consolidated Financial Statements	9
Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	40
Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	74
Item 4. CONTROLS AND PROCEDURES	74
PART II - OTHER INFORMATION
Item 1. LEGAL PROCEEDINGS	75
Item 1A. RISK FACTORS	75
Item 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	75
Item 3. DEFAULTS UPON SENIOR SECURITIES	75
Item 4. MINE SAFETY DISCLOSURES	75
Item 5. OTHER INFORMATION	75
Item 6. EXHIBITS	75
SIGNATURES	76

2

Part I

Item 1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

SANDY SPRING BANCORP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CONDITION – UNAUDITED

	September 30,		December 31,
(Dollars in thousands)	2020		2019
Assets:
Cash and due from banks	$	107,364	$	82,469
Federal funds sold	390		208
Interest-bearing deposits with banks	117,129		63,426
Cash and cash equivalents	224,883		146,103
Residential mortgage loans held for sale (at fair value)	88,728		53,701
Investments available-for-sale (at fair value)	1,357,205		1,073,333
Equity securities	68,528		51,803
Total loans	10,333,935		6,705,232
Less: allowance for credit losses	(170,314)		(56,132)
Net loans	10,163,621		6,649,100
Premises and equipment, net	58,738		58,615
Other real estate owned	1,389		1,482
Accrued interest receivable	48,176		23,282
Goodwill	370,549		347,149
Other intangible assets, net	34,175		7,841
Other assets	262,139		216,593
Total assets	$	12,678,131	$	8,629,002
Liabilities:
Noninterest-bearing deposits	$	3,458,804	$	1,892,052
Interest-bearing deposits	6,506,165		4,548,267
Total deposits	9,964,969		6,440,319
Securities sold under retail repurchase agreements and federal funds purchased	462,706		213,605
Advances from FHLB	444,210		513,777
Subordinated debt	230,300		209,406
Total borrowings	1,137,216		936,788
Accrued interest payable and other liabilities	151,197		118,921
Total liabilities	11,253,382		7,496,028
Stockholders' equity:
Common stock -- par value $1.00 ; shares authorized 100,000,000; shares issued and outstanding
47,025,779 and 34,970,370 at September 30, 2020 and December 31, 2019, respectively	47,026		34,970
Additional paid in capital	845,399		586,622
Retained earnings	514,831		515,714
Accumulated other comprehensive income/ (loss)	17,493		(4,332)
Total stockholders' equity	1,424,749		1,132,974
Total liabilities and stockholders' equity	$	12,678,131	$	8,629,002

The accompanying notes are an integral part of these statements

3

SANDY SPRING BANCORP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME – UNAUDITED

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands, except per share data)	2020		2019		2020		2019
Interest income:
Interest and fees on loans	$	106,560	$	79,167	$	288,721	$	239,028
Interest on loans held for sale	398		572		1,094		1,145
Interest on deposits with banks	84		783		419		1,405
Interest and dividends on investment securities:
Taxable for federal income taxes	4,488		5,221		17,270		16,302
Exempt from federal income taxes	1,454		1,337		4,264		4,591
Interest on federal funds sold	—		2		1		8
Total interest income	112,984		87,082		311,769		262,479
Interest expense:
Interest on deposits	9,439		16,332		35,241		46,958
Interest on retail repurchase agreements and federal funds purchased	551		257		1,731		945
Interest on advances from FHLB	2,841		3,222		3,863		13,389
Interest on subordinated debt	2,669		481		7,602		1,462
Total interest expense	15,500		20,292		48,437		62,754
Net interest income	97,484		66,790		263,332		199,725
Provision for credit losses	7,003		1,524		90,158		3,029
Net interest income after provision for credit losses	90,481		65,266		173,174		196,696
Non-interest income:
Investment securities gains	51		15		432		20
Service charges on deposit accounts	1,673		2,516		5,149		7,265
Mortgage banking activities	14,108		4,408		25,567		10,541
Wealth management income	7,785		5,493		22,355		16,268
Insurance agency commissions	2,122		2,116		5,439		5,281
Income from bank owned life insurance	708		662		2,162		2,505
Bank card fees	1,525		1,462		4,102		4,181
Other income	1,418		1,901		5,276		6,037
Total non-interest income	29,390		18,573		70,482		52,098
Non-interest expense:
Salaries and employee benefits	36,041		26,234		98,391		77,699
Occupancy expense of premises	5,575		4,816		16,147		14,807
Equipment expense	3,133		2,641		9,103		7,929
Marketing	1,305		1,541		3,223		3,371
Outside data services	2,614		1,973		6,365		5,713
FDIC insurance	1,340		(83)		3,200		2,137
Amortization of intangible assets	1,968		491		4,566		1,465
Merger and acquisition expense	1,263		364		25,171		364
Professional fees and services	1,800		1,546		5,466		4,425
Other expenses	5,898		5,402		22,489		15,094
Total non-interest expense	60,937		44,925		194,121		133,004
Income before income taxes	58,934		38,914		49,535		115,790
Income tax expense	14,292		9,531		9,244		27,814
Net income	$	44,642	$	29,383	$	40,291	$	87,976
Per share information:
Basic net income per common share	$	0.94	$	0.82	$	0.93	$	2.46
Diluted net income per common share	$	0.94	$	0.82	$	0.93	$	2.45
Dividends declared per share	$	0.30	$	0.30	$	0.90	$	0.88

The accompanying notes are an integral part of these statements

4

SANDY SPRING BANCORP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME – UNAUDITED

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In thousands)	2020		2019		2020		2019
Net income	$	44,642	$	29,383	$	40,291	$	87,976
Other comprehensive income:
Investments available-for-sale:
Net change in unrealized gains on investments available-for-sale	3,445		912		29,074		16,893
Related income tax expense	(909)		(239)		(7,424)		(4,418)
Net investment gains reclassified into earnings	(51)		(15)		(432)		(20)
Related income tax expense	13		4		110		5
Net effect on other comprehensive income for the period	2,498		662		21,328		12,460
Defined benefit pension plan:
Recognition of unrealized loss	219		264		656		794
Related income tax benefit	(48)		(69)		(159)		(208)
Net effect on other comprehensive income for the period	171		195		497		586
Total other comprehensive income	2,669		857		21,825		13,046
Comprehensive income	$	47,311	$	30,240	$	62,116	$	101,022

The accompanying notes are an integral part of these statements

5

SANDY SPRING BANCORP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY – UNAUDITED

(Dollars in thousands, except per share data)	Common Stock		Additional Paid-In Capital		Retained Earnings		Accumulated Other Comprehensive Income/ (Loss)		Total Stockholders' Equity
Balances at July 1, 2020	$	47,001	$	843,876	$	484,392	$	14,824	$	1,390,093
Net income	—		—		44,642		—		44,642
Other comprehensive income, net of tax	—		—		—		2,669		2,669
Total comprehensive income									47,311
Common stock dividends - $0.30 per share	—		—		(14,205)		—		(14,205)
Stock compensation expense	—		1,032		—		—		1,032
Common stock issued pursuant to:
Stock option plan - 1,575 shares	2		16		—		—		18
Employee stock purchase plan - 21,374 shares	21		503		—		—		524
Restricted stock vesting, net of withholding - 1,808     shares	2		(28)		—		—		(26)
Adoption of ASC 326 - Financial Instruments - Credit Losses	—		—		2		—		2
Balances at September 30, 2020	$	47,026	$	845,399	$	514,831	$	17,493	$	1,424,749
Balances at July 1, 2019	$	35,615	$	608,006	$	479,389	$	(3,565)	$	1,119,445
Net income	—		—		29,383		—		29,383
Other comprehensive income, net of tax	—		—		—		857		857
Total comprehensive income									30,240
Common stock dividends - $0.30 per share	—		—		(10,752)		—		(10,752)
Stock compensation expense	—		786		—		—		786
Common stock issued pursuant to:
Stock option plan - 1,325 shares	1		34		—		—		35
Employee stock purchase plan - 9,544 shares	10		277		—		—		287
Balances at September 30, 2019	$	35,626	$	609,103	$	498,020	$	(2,708)	$	1,140,041

The accompanying notes are an integral part of these statements

6

SANDY SPRING BANCORP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY – UNAUDITED

(Dollars in thousands, except per share data)	Common Stock		Additional Paid-In Capital		Retained Earnings		Accumulated Other Comprehensive Income/ (Loss)		Total Stockholders' Equity
Balances at January 1, 2020	$	34,970	$	586,622	$	515,714	$	(4,332)	$	1,132,974
Net income	—		—		40,291		—		40,291
Other comprehensive income, net of tax	—		—		—		21,825		21,825
Total comprehensive income									62,116
Common stock dividends - $0.90 per share	—		—		(38,953)		—		(38,953)
Stock compensation expense	—		2,824		—		—		2,824
Common stock issued pursuant to:
Revere Bank acquisition - 12,768,949 shares	12,769		276,320		—		—		289,089
Stock option plan - 10,213 shares	11		154		—		—		165
Conversion of Revere stock options - 395,298 options	—		3,611		—		—		3,611
Employee stock purchase plan - 50,189 shares	50		1,259		—		—		1,309
Restricted stock vesting, net of withholding - 46,386     shares	46		(509)		—		—		(463)
Adoption of ASC 326 - Financial Instruments - Credit Losses	—		—		(2,221)		—		(2,221)
Repurchase of common stock - 820,328 shares	(820)		(24,882)		—		—		(25,702)
Balances at September 30, 2020	$	47,026	$	845,399	$	514,831	$	17,493	$	1,424,749
Balances at January 1, 2019	$	35,531	$	606,573	$	441,553	$	(15,754)	$	1,067,903
Net income	—		—		87,976		—		87,976
Other comprehensive income, net of tax	—		—		—		13,046		13,046
Total comprehensive income									101,022
Common stock dividends - $0.88 per share	—		—		(31,509)		—		(31,509)
Stock compensation expense	—		2,259		—		—		2,259
Common stock issued pursuant to:
Director's stock purchase plan - 867 shares	1		29		—		—		30
Stock option plan - 12,222 shares	12		247		—		—		259
Employee stock purchase plan - 27,210 shares	27		752		—		—		779
Restricted stock vesting, net of withholding - 54,789 shares	55		(757)		—		—		(702)
Balances at September 30, 2019	$	35,626	$	609,103	$	498,020	$	(2,708)	$	1,140,041

The accompanying notes are an integral part of these statements

7

SANDY SPRING BANCORP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS – UNAUDITED

	Nine Months Ended September 30,
(Dollars in thousands)	2020		2019
Operating activities:
Net income	$	40,291	$	87,976
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,915		10,006
Provision for credit losses	90,158		3,029
Share based compensation expense	2,824		2,259
Tax (expense)/ benefit associated with share based compensation	(162)		75
Deferred income tax expense/ (benefit)	(22,965)		455
Origination of loans held for sale	(1,042,787)		(638,820)
Proceeds from sales of loans held for sale	1,025,610		590,997
Gains on sales of loans held for sale	(17,850)		(8,225)
Losses on sales of other real estate owned	32		173
Investment securities gains	(432)		(20)
Net (increase)/ decrease in accrued interest receivable	(17,243)		1,171
Net (increase)/ decrease in other assets	1,812		(3,997)
Net increase/ (decrease) in accrued expenses and other liabilities	5,173		(4,510)
Other – net	2,922		2,341
Net cash provided by operating activities	82,298		42,910
Investing activities:
(Purchases of)/ proceeds from other equity securities	(6,321)		21,451
Purchases of investments available-for-sale	(529,522)		(83,835)
Proceeds from sales of investments available-for-sale	121,357		—
Proceeds from maturities, calls and principal payments of investments available-for-sale	329,197		141,880
Net increase in loans	(1,107,824)		(25,327)
Proceeds from the sales of other real estate owned	60		324
Cash paid for the acquisition of business activity of RPJ, net of cash acquired	(26,925)		—
Cash acquired in the acquisition of business activity of Revere Bank, net of cash paid	80,466		—
Expenditures for premises and equipment	(3,399)		(4,269)
Net cash provided by/ (used in) investing activities	(1,142,911)		50,224
Financing activities:
Net increase in deposits	1,202,228		579,019
Net increase/ (decrease) in retail repurchase agreements and federal funds purchased	249,101		(201,421)
Proceeds from advances from FHLB	400,000		2,123,000
Repayment of advances from FHLB	(637,982)		(2,454,134)
Retirement of subordinated debt	(10,310)		—
Proceeds from issuance of common stock	1,474		1,068
Stock tendered for payment of withholding taxes	(463)		(702)
Repurchase of common stock	(25,702)		—
Dividends paid	(38,953)		(31,509)
Net cash provided by financing activities	1,139,393		15,321
Net increase in cash and cash equivalents	78,780		108,455
Cash and cash equivalents at beginning of period	146,103		101,481
Cash and cash equivalents at end of period	$	224,883	$	209,936
Supplemental disclosures:
Interest payments	$	47,105	$	65,481
Income tax payments, net of refunds of $1,924 in 2020	28,099		23,417
Transfer from loans to other real estate owned	—		414

The accompanying notes are an integral part of these statements

8

SANDY SPRING BANCORP, INC. AND SUBSIDIARIES

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED

NOTE 1 – SIGNIFICANT ACCOUNTING POLICIES

Nature of Operations

Sandy Spring Bancorp, Inc. ("Sandy Spring" or, together with its subsidiaries, the "Company"), a Maryland corporation, is the bank holding company for Sandy Spring Bank (the “Bank”). Independent and community-oriented, Sandy Spring Bank offers a broad range of commercial banking, retail banking, mortgage services and trust services throughout central Maryland, Northern Virginia, and the greater Washington, D.C. market. Sandy Spring Bank also offers a comprehensive menu of insurance and wealth management services through its subsidiaries, Sandy Spring Insurance Corporation (“Sandy Spring Insurance”), West Financial Services, Inc. (“West Financial”) and Rembert Pendleton Jackson (“RPJ”).

Basis of Presentation

The accounting and reporting policies of the Company conform to accounting principles generally accepted in the United States of America (“GAAP”), prevailing practices within the financial services industry for interim financial information and Rule 10-01 of Regulation S-X. Accordingly, the interim financial statements do not include all of the information and notes required for complete financial statements. The following summary of significant accounting policies of the Company is presented to assist the reader in understanding the financial and other data presented in this report. Operating results for the three and nine months ended September 30, 2020 are not necessarily indicative of the results that may be expected for any future periods or for the year ending December 31, 2020. In the opinion of management, all adjustments necessary for a fair presentation of the results of the interim periods have been included. Certain reclassifications have been made to prior period amounts, as necessary, to conform to the current period presentation. The Company has evaluated subsequent events through the date of the issuance of its financial statements.

These statements should be read in conjunction with the financial statements and accompanying notes included in the Company’s 2019 Annual Report on Form 10-K as filed with the Securities and Exchange Commission (“SEC”) on February 21, 2020. With the exception of the adoption of ASC 326 – Financial Instruments – Credit Losses, commonly referred to as Current Expected Credit Losses ("CECL") standard, during the first quarter of 2020, there have been no other significant changes to any of the Company’s accounting policies as disclosed in the 2019 Annual Report on Form 10-K.

Principles of Consolidation

The unaudited Condensed Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiary, Sandy Spring Bank, and its subsidiaries, Sandy Spring Insurance, West Financial and RPJ. Consolidation has resulted in the elimination of all intercompany accounts and transactions. See Note 18 for more information on the Company’s segments and consolidation.

Use of Estimates

The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements, in addition to affecting the reported amounts of revenues earned and expenses incurred during the reporting period. Actual results could differ from those estimates. Estimates that could change significantly relate to the provision for credit losses and the related allowance, potential impairment of goodwill or other intangible assets, valuation of investment securities and the determination of whether available-for-sale debt securities with fair values less than amortized costs are impaired and require an allowance for credit losses, valuation of other real estate owned, valuation of share based compensation, the assessment that a liability should be recognized with respect to any matters under litigation, the calculation of current and deferred income taxes, and the actuarial projections related to pension expense and the related liability.

Cash Flows

For purposes of reporting cash flows, cash and cash equivalents include cash and due from banks, federal funds sold and interest-bearing deposits with banks (items with stated original maturity of three months or less).

Revenue from Contracts with Customers

The Company’s revenue includes net interest income on financial instruments and non-interest income. Specific categories of revenue are presented in the Condensed Consolidated Statements of Income. Most of the Company’s revenue is not within the scope of Accounting Standard Codification (“ASC”) 606 – Revenue from Contracts with Customers. For revenue within the scope of ASC 606, the Company provides services to customers and has related performance obligations. The revenue from such services is recognized upon satisfaction of all contractual performance obligations. The following discusses key revenue streams within the scope of revenue recognition guidance.

9

Wealth Management Income

West Financial and RPJ provide comprehensive investment management and financial planning services. Wealth management income is comprised of income for providing trust, estate and investment management services. Trust services include acting as a trustee for corporate or personal trusts. Investment management services include investment management, record-keeping and reporting of security portfolios. Fees for these services are recognized based on a contractually-agreed fixed percentage applied to net assets under management at the end of each reporting period. The Company does not charge/recognize any performance-based fees.

Insurance Agency Commissions

Sandy Spring Insurance, a subsidiary of the Bank, performs the function of an insurance intermediary by introducing the policyholder and insurer and is compensated by a commission fee for placement of an insurance policy. Sandy Spring Insurance does not provide any captive management services or any claim handling services. Commission fees are set as a percentage of the premium for the insurance policy for which Sandy Spring Insurance is a producer. Sandy Spring Insurance recognizes revenue when the insurance policy has been contractually agreed to by the insurer and policyholder (at transaction date).

Service Charges on Deposit Accounts

Service charges on deposit accounts are earned on depository accounts for consumer and commercial account holders and include fees for account and overdraft services. Account services include fees for event-driven services and periodic account maintenance activities. An obligation for event-driven services is satisfied at the time of the event when service is delivered and revenue recognized as earned. Obligation for maintenance activities is satisfied over the course of each month and revenue is recognized at month end. The overdraft services obligation is satisfied at the time of the overdraft and revenue is recognized as earned.

Loan Financing Receivables

The Company’s financing receivables consist primarily of loans that are stated at their principal balance outstanding, net of any unearned income, acquisition fair value marks and deferred loan origination fees and costs. Interest income on loans is accrued at the contractual rate based on the principal balance outstanding. Loan origination fees, net of certain direct origination costs, are deferred and recognized as an adjustment of the related loan yield using the interest method.

The Company has provided short term deferrals of loan principal and/or interest payments up to 180 days for customers who are affected by the COVID-19 pandemic. Customers receiving payment deferrals must meet certain criteria, such as being in good standing and not more than 30 days past due prior to the pandemic. In most cases, the deferred principal and/or interest amounts will be collected at the end of the life of the loan and will not accrue additional interest. The granting of a deferral of principal and/or interest under the Coronavirus Aid, Relief, and Economic Security (“CARES”) Act does not subject the loan to the past due, non-accrual, or troubled debt restructurings (“TDR”) policies described below. The following discussions of past due, non-accrual, and TDR policies remain valid for situations not covered by the CARES Act.

Loans are considered past due or delinquent when the principal or interest due in accordance with the contractual terms of the loan agreement or any portion thereof remains unpaid after the due date of the scheduled payment. Immaterial shortfalls in payment amounts do not necessarily result in a loan being considered delinquent or past due. If any payments are past due and subsequent payments are resumed without payment of the delinquent amount, the loan shall continue to be considered past due. Whenever any loan is reported delinquent on a principal or interest payment or portion thereof, the amount reported as delinquent is the outstanding principal balance of the loan.

Loans, except for consumer installment loans, are placed into non-accrual status when any portion of the loan principal or interest becomes 90 days past due. Management may determine that certain circumstances warrant earlier discontinuance of interest accruals on specific loans if an evaluation of other relevant factors (such as bankruptcy, interruption of cash flows, etc.) indicates collection of amounts contractually due is unlikely. These loans are considered, collectively, to be non-performing loans. Consumer installment loans that are not secured by real estate are not placed on non-accrual, but are charged down to their net realizable value when they are four months past due. Loans designated as non-accrual have all previously accrued but unpaid interest reversed. Interest income is not recognized on non-accrual loans. All payments received on non-accrual loans are applied using a cost-recovery method to reduce the outstanding principal balance until the loan returns to accrual status. Loans may be returned to accrual status when all principal and interest amounts contractually due are brought current and future payments are reasonably assured.

Loans considered to be TDRs are loans that have their terms restructured (e.g., interest rates, loan maturity date, payment and amortization period, etc.) in circumstances that provide payment relief to a borrower experiencing financial difficulty. All restructured collateral-dependent loans are individually assessed for allowance for credit losses and may either be in accruing or

10

non-accruing status. Non-accruing restructured loans may return to accruing status provided doubt has been removed concerning the collectability of principal and interest as evidenced by a sufficient period of payment performance in accordance with the restructured terms. Loans may be removed from the restructured category if the borrower is no longer experiencing financial difficulty, a re-underwriting event took place, and the revised loan terms of the subsequent restructuring agreement are considered to be consistent with terms that can be obtained in the market for loans with comparable credit risk.

In accordance with provisions of the CARES Act and interagency guidance issued by the federal banking agencies, the Company does not classify COVID-19 short term loan modifications as TDRs, nor are the customers considered delinquent with regard to their deferred payments. Upon exiting the loan modification deferral program, the measurement of loan delinquency will resume where it was determined upon entry into the program.

Allowance for Credit Losses

The allowance for credit losses (“allowance” or “ACL”) represents an amount which, in management's judgment, is adequate to absorb the lifetime expected losses that may be sustained on outstanding loans at the balance sheet date based on the evaluation of the size and current risk characteristics of the loan portfolio, past events, current conditions, reasonable and supportable forecasts of future economic conditions and prepayment experience. The allowance is measured and recorded upon the initial recognition of a financial asset. The allowance is reduced by charge-offs, net of recoveries of previous losses, and is increased or decreased by a provision or credit for credit losses, which is recorded as a current period expense.

Determination of the adequacy of the allowance is inherently complex and requires the use of significant and highly subjective estimates. The reasonableness of the allowance is reviewed periodically by the Risk Committee of the Board of Directors and formally approved quarterly by that same committee of the Board.

The Company’s methodology for estimating the allowance includes: (1) a collective quantified reserve that reflects the Company’s historical default and loss experience adjusted for expected economic conditions throughout a reasonable and supportable period and the Company’s prepayment and curtailment rates; (2) collective qualitative factors that consider concentrations of the loan portfolio, expected changes to the economic forecasts, large relationships, early delinquencies, and factors related to credit administrations, including, among others, loan-to-value ratios, borrowers’ risk rating and credit score migrations; and (3) individual allowances on collateral-dependent loans where borrowers are experiencing financial difficulty or when the Company determines that the foreclosure is probable. The Company excludes accrued interest from the measurement of the allowance as the Company has a non-accrual policy to reverse any accrued, uncollected interest income as loans are moved to non-accrual status.

Loans are pooled into segments based on the similar risk characteristics of the underlying borrowers, in addition to consideration of collateral type, industry and business purpose of the loans. Portfolio segments used to estimate the allowance are the same as portfolio segments used for general credit risk management purposes. Refer to Note 4 for more details on the Company’s portfolio segments.

The Company applies two calculation methodologies to estimate the collective quantified component of the allowance: discounted cash flows method and weighted average remaining life method. Allowance estimates on commercial acquisition, development and construction (“AD&C”) and residential construction segments are based on the weighted average remaining life method. Allowance estimates on all other portfolio segments are based on the discounted cash flows method. Segments utilizing the discounted cash flows method are further sub-segmented into risk level pools, determined either by risk rating for commercial loans or Beacon Scores ranges for residential and consumer loans. To better manage risk and reasonably determine the sufficiency of reserves, this segregation allows the Company to monitor the allowance component applicable to higher risk loans separate from the remainder of the portfolio. Collective calculation methodologies utilize the Company’s historical default and loss experience adjusted for future economic forecasts. The reasonable and supportable forecast period represents a two-year economic outlook for the applicable economic variables. Following the end of the reasonable and supportable forecast period expected losses revert back to the historical mean over the next two years on a straight-line basis. Economic variables that have the most significant impact on the allowance include: unemployment rate, house price index and number of business bankruptcies. Contractual loan level cash flows within the discounted cash flows methodology are adjusted for the Company’s historical prepayment and curtailment rate experience.

The individual reserve assessment is applied to collateral dependent loans where borrowers are experiencing financial difficulty or when the Company determines that a foreclosure is probable. The determination of the fair value of the collateral depends on whether a repayment of the loan is expected to be from the sale or the operation of the collateral. When a repayment is expected from the operation of the collateral, the Company uses the present value of expected cash flows from the operation of the collateral as the fair value. When the repayment of the loan is expected from the sale of the collateral the fair value of the collateral is based on an observable market price or the collateral’s appraised value, less estimated costs to sell. Third party

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appraisals used in the individual reserve assessment are conducted at least annually with underlying assumptions that are reviewed by management. Third party appraisals may be obtained on a more frequent basis if deemed necessary. Internal evaluations of collateral value are conducted quarterly to ensure any further deterioration of the collateral value is recognized on a timely basis. During the individual reserve assessment, management also considers the potential future changes in the value of the collateral over the remainder of the loan’s remaining life. The Company may receive updated appraisals which contradict the preliminary determination of fair value used to establish an individual allowance on a loan. In these instances the individual allowance is adjusted to reflect the Company’s evaluation of the updated appraised fair value. In the event a loss was previously confirmed and the loan was charged down to the estimated fair value based on a previous appraisal, the balance of partially charged-off loans are not subsequently increased, but could be further decreased depending on the direction of the change in fair value. Payments on fully or partially charged-off loans are accounted for under the cost-recovery method. Under this method, all payments received are applied on a cash basis to reduce the entire outstanding principal balance, then to recognize a recovery of all previously charged-off amounts before any interest income may be recognized. Based on the individual reserve assessment, if the Company determines that the fair value of the collateral is less than the amortized cost basis of the loan, an individual allowance will be established measured as the difference between the fair value of the collateral (less costs to sell) and the amortized cost basis of the loan. Once a loss has been confirmed, the loan is charged-down to its estimated fair value.

Large groups of smaller non-accrual homogeneous loans are not individually evaluated for allowance and include residential permanent and construction mortgages and consumer installment loans. These portfolios are reserved for on a collective basis using historical loss rates of similar loans over the weighted average life of each pool.

Management believes it uses relevant information available to make determinations about the allowance and that it has established the existing allowance in accordance with GAAP. However, the determination of the allowance requires significant judgment, and estimates of expected lifetime losses in the loan portfolio can vary significantly from the amounts actually observed. While management uses available information to recognize expected losses, future additions to the allowance may be necessary based on changes in the loans comprising the portfolio, changes in the current and forecasted economic conditions, changes to the interest rate environment which may directly impact prepayment and curtailment rate assumptions, and changes in the financial condition of borrowers.

The adoption of the CECL standard did not result in a significant change to any other credit risk management and monitoring processes, including identification of past due or delinquent borrowers, non-accrual practices, assessment of troubled debt restructurings or charge-off policies.

Acquired Loans

Loans acquired in connection with acquisitions are recorded at their acquisition-date fair value. The allowance for credit losses related to the acquired loan portfolio is not carried over. Acquired loans are classified into two categories based on the credit risk characteristics of the underlying borrowers as either purchased credit deteriorated (“PCD”) loans, or loans with no evidence of credit deterioration (“non-PCD”).

PCD loans are defined as a loan or pool of loans that have experienced more-than-insignificant credit deterioration since the origination date. The Company uses a combination of individual and pooled review approaches to determine if acquired loans are PCD. At acquisition, the Company considers a number of factors to determine if an acquired loan or pool of loans has experienced more-than-insignificant credit deterioration. These factors include:

•loans classified as non-accrual,

•loans with risk rating of special mention or worse (using the Company's risk rating scale),

•loans with multiple risk rating downgrades since origination,

•loans with evidence of being 60 days or more past due,

•loans previously modified in a troubled debt restructuring,

•loans that received an interest only or payment deferral modification, and

•loans in industries that show evidence of additional risk due to economic conditions.

The initial allowance related to PCD loans that share similar risk characteristics is established using a pooled approach. The Company uses either a discounted cash flow or weighted average remaining life method to determine the required level of the allowance. PCD loans that were classified as non-accrual as of the acquisition date and are collateral dependent are assessed for allowance on an individual basis.

For PCD loans, an initial allowance is established on the acquisition date and added to the fair value of the loan to arrive at acquisition date amortized cost. Accordingly, no provision for credit losses is recognized on PCD loans at the acquisition date.

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Subsequent to the acquisition date, the initial allowance on PCD loans will increase or decrease based on future evaluations, with changes recognized in the provision for credit losses.

Non-PCD loans are pooled into segments together with originated loans that share similar risk characteristics and have an allowance established on the acquisition date, which is recognized in the current period provision for credit losses.

Determining the fair value of the acquired loans involves estimating the principal and interest payment cash flows expected to be collected on the loans and discounting those cash flows at a market rate of interest. Management considers a number of factors in evaluating the acquisition-date fair value including the remaining life, interest rate profile, market interest rate environment, payment schedules, risk ratings, probability of default and loss given default, and estimated prepayment rates. For PCD loans, the non-credit discount or premium is allocated to individual loans as determined by the difference between the loan’s unpaid principal balance and amortized cost basis. The non-credit premium or discount is recognized into interest income on a level yield basis over the remaining expected life of the loan. For non-PCD loans, the fair value discount or premium is allocated to individual loans and recognized into interest income on a level yield basis over the remaining expected life of the loan.

Leases

The Company determines if an arrangement is a lease at inception. All of the Company’s leases are currently classified as operating leases and are included in other assets and other liabilities on the Company’s Condensed Consolidated Statements of Condition.

Right-of-use (“ROU”) assets represent the Company’s right to use an underlying asset for the lease term, and lease liabilities represent the Company’s obligation to make lease payments arising from the lease arrangements. Operating lease ROU assets and liabilities are recognized at the lease commencement date based on the present value of the expected future lease payments over the remaining lease term. In determining the present value of future lease payments, the Company uses its incremental borrowing rate based on the information available at the lease commencement date. The operating ROU assets are adjusted for any lease payments made at or before the lease commencement date, initial direct costs, any lease incentives received and, for acquired leases, any favorable or unfavorable fair value adjustments. The present value of the lease liability may include the impact of options to extend or terminate the lease when it is reasonably certain that the Company will exercise such options provided in the lease terms. Lease expense is recognized on a straight-line basis over the expected lease term. Lease agreements that include lease and non-lease components, such as common area maintenance charges, are accounted for separately.

Pending Accounting Pronouncements

In March 2020, FASB released Accounting Standards Update (“ASU”) 2020-04 - Reference Rate Reform (Topic 848), which provides optional guidance to ease the accounting burden in accounting for, or recognizing the effects from, reference rate reform on financial reporting. The new standard is a result of LIBOR likely being discontinued as an available benchmark rate. The standard is elective and provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships, or other transactions that reference LIBOR, or another reference rate expected to be discontinued. The amendments in the update are effective for all entities between March 12, 2020 and December 31, 2022. The Company has established a cross-functional working group to guide the Company’s transition from LIBOR and has begun efforts to transition to alternative rates consistent with industry timelines. The Company has identified its products that utilize LIBOR and has implemented enhanced fallback language to facilitate the transition to alternative reference rates. The Company is evaluating existing platforms and systems and preparing to offer new rates.

In December 2019, FASB released ASU 2019-12 - Income Taxes (Topic 740), which simplifies the accounting for income taxes by removing multiple exceptions to the general principals in Topic 740. The standard is effective for public business entities for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2020. The Company does not expect the adoption of this standard to have a material impact on the Company’s Condensed Consolidated Financial Statements.

NOTE 2 – ACQUISITION OF REVERE BANK

On April 1, 2020 (“Acquisition Date”), the Company completed the acquisition of Revere Bank (“Revere”), a Maryland chartered commercial bank, in accordance with the definitive agreement that was entered on September 23, 2019 by and among the Company, the Bank and Revere. In connection with the completion of the merger, former Revere shareholders received 1.05 shares of Sandy Spring common stock for each share of Revere common stock they held. Based on the $22.64 per share closing price of Sandy Spring common stock on March 31, 2020, and including the fair value of options converted or cashed-out, the total transaction value was approximately $293 million. Upon completion of the acquisition, Sandy Spring shareholders owned approximately 74 percent of the combined company, and former Revere shareholders owned approximately 26 percent.

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As of March 31, 2020, Revere, headquartered in Rockville, MD, had more than $2.8 billion in assets and operated 11 full-service community banking offices throughout the Washington D.C. metropolitan region.

The acquisition of Revere was accounted for as a business combination using the acquisition method of accounting and, accordingly, assets acquired, liabilities assumed, and consideration paid are recorded at estimated fair values on the Acquisition Date. The provisional amount of goodwill recognized as of the Acquisition Date was approximately $0.8 million. If considered necessary, additional adjustments to the fair value measurement of certain accounts, for example loans, may be made until the 12 month measurement period is closed. Any subsequent adjustments to the fair values of assets acquired and liabilities assumed, identifiable intangible assets, or other purchase accounting adjustments, as discussed above, will result in adjustments to goodwill within the first 12 months following the Acquisition Date. The goodwill is not expected to be deductible for tax purposes.

The consideration paid for Revere’s common equity and outstanding stock options and the provisional fair values of acquired identifiable assets and assumed identifiable liabilities as of the Acquisition Date were as follows:

(Dollars in thousands, except per share data)	April 1, 2020
Purchase price:
Fair value of common shares issued (12,768,949 shares) based on Sandy Spring's share price of $22.64	$	289,089
Fair value of Revere stock options converted to Sandy Spring stock options	3,611
Cash paid for cashed-out Revere stock options	291
Cash for fractional shares	11
Total purchase price	$	293,002
Identifiable assets:
Cash and cash equivalents	$	80,768
Investments available-for-sale	180,752
Loans	2,502,244
Premises and equipment	3,443
Accrued interest receivable	7,651
Core deposit intangible asset	18,360
Other assets	52,812
Total identifiable assets	$	2,846,030
Identifiable liabilities:
Deposits	$	2,322,422
Borrowings	205,514
Other liabilities	25,933
Total identifiable liabilities	$	2,553,869
Provisional fair value of net assets acquired including identifiable intangible assets	292,161
Provisional resulting goodwill	$	841

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NOTE 3 – INVESTMENTS

Investments available-for-sale

The amortized cost and estimated fair values of investments available-for-sale at the dates indicated are presented in the following table:

	September 30, 2020								December 31, 2019
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
U.S. treasuries and government agencies	$	140,454	$	914	$	(1,963)	$	139,405	$	260,294	$	887	$	(2,686)	$	258,495
State and municipal	344,168		9,435		(616)		352,987		229,309		4,377		(37)		233,649
Mortgage-backed and asset-backed	826,450		25,967		(103)		852,314		568,373		3,268		(882)		570,759
Corporate debt	12,112		394		(7)		12,499		9,100		452		—		9,552
Trust preferred	—		—		—		—		310		—		—		310
Total debt securities	1,323,184		36,710		(2,689)		1,357,205		1,067,386		8,984		(3,605)		1,072,765
Marketable equity securities	—		—		—		—		568		—		—		568
Total investments available-for-sale	$	1,323,184	$	36,710	$	(2,689)	$	1,357,205	$	1,067,954	$	8,984	$	(3,605)	$	1,073,333

Any unrealized losses in the U.S. treasuries and government agencies, state and municipal, mortgage-backed and asset-backed investment securities at September 30, 2020 are due to changes in interest rates and not credit-related events. As such, no allowance for credit losses is required at September 30, 2020. Unrealized losses on investment securities are expected to recover over time as these securities approach maturity.

The mortgage-backed securities portfolio at September 30, 2020 is composed entirely of either the most senior tranches of GNMA, FNMA or FHLMC collateralized mortgage obligations ($328.7 million), GNMA, FNMA or FHLMC mortgage-backed securities ($455.8 million) or SBA asset-backed securities ($67.8 million). The Company does not intend to sell these securities and has sufficient liquidity to hold these securities for an adequate period of time to allow for any anticipated recovery in fair value.

Gross unrealized losses and fair value by length of time that the individual available-for-sale securities have been in an unrealized loss position at the dates indicated are presented in the following tables:

	September 30, 2020
	Number of Securities	Less Than 12 Months				12 Months or More				Total
(Dollars in thousands)		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. treasuries and government agencies	7	$	—	$	—	$	91,193	$	1,963	$	91,193	$	1,963
State and municipal	19	57,024		616		—		—		57,024		616
Mortgage-backed and asset-backed	13	28,862		77		7,030		26		35,892		103
Corporate debt	2	3,005		7		—		—		3,005		7
Total	41	$	88,891	$	700	$	98,223	$	1,989	$	187,114	$	2,689

	December 31, 2019
	Number of Securities	Less Than 12 Months				12 Months or More				Total
(Dollars in thousands)		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. treasuries and government agencies	12	$	133,221	$	2,211	$	17,911	$	475	$	151,132	$	2,686
State and municipal	3	7,227		37		—		—		7,227		37
Mortgage-backed and asset-backed	35	107,917		508		76,867		374		184,784		882
Total	50	$	248,365	$	2,756	$	94,778	$	849	$	343,143	$	3,605

The estimated fair values and amortized costs of debt securities available-for-sale by contractual maturity at the dates indicated are provided in the following table. The Company has allocated mortgage-backed securities into the four maturity groupings reflected in the following tables using the expected average life of the individual securities based on statistics provided by independent third party industry sources. Expected maturities will differ from contractual maturities as borrowers may have the right to prepay obligations with or without prepayment penalties.

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	September 30, 2020				December 31, 2019
(In thousands)	Fair Value		Amortized Cost		Fair Value		Amortized Cost
U.S. treasuries and government agencies:
One year or less	$	28,139	$	27,974	$	69,799	$	69,330
One to five years	11,902		11,380		96,709		96,507
Five to ten years	—		—		—		—
After ten years	99,364		101,100		91,987		94,457
State and municipal:
One year or less	18,663		18,457		33,311		33,054
One to five years	47,558		46,440		76,723		75,432
Five to ten years	59,670		56,731		75,820		73,741
After ten years	227,096		222,540		47,795		47,082
Mortgage-backed and asset-backed:
One year or less	2		2		852		822
One to five years	21,191		20,800		7,125		6,969
Five to ten years	58,878		57,430		55,226		54,799
After ten years	772,243		748,218		507,556		505,783
Corporate debt:
One year or less	—		—		—		—
One to five years	—		—		—		—
Five to ten years	12,499		12,112		9,552		9,100
After ten years	—		—		—		—
Trust preferred:
One year or less	—		—		—		—
One to five years	—		—		—		—
Five to ten years	—		—		—		—
After ten years	—		—		310		310
Total available-for-sale debt securities	$	1,357,205	$	1,323,184	$	1,072,765	$	1,067,386

At September 30, 2020 and December 31, 2019, investments available-for-sale with a book value of $421.0 million and $424.8 million, respectively, were pledged as collateral for certain government deposits and for other purposes as required or permitted by law. The outstanding balance of no single issuer, except for U.S. Agencies securities, exceeded ten percent of stockholders' equity at September 30, 2020 and December 31, 2019.

Equity securities

Other equity securities at the dates indicated are presented in the following table:

(In thousands)	September 30, 2020		December 31, 2019
Federal Reserve Bank stock	$	38,650	$	22,559
Federal Home Loan Bank of Atlanta stock	29,201		29,244
Marketable equity securities	677		—
Total equity securities	$	68,528	$	51,803

NOTE 4 – LOANS

Outstanding loan balances at September 30, 2020 and December 31, 2019, are net of unearned income, including net deferred loan fees of $28.3 million and $1.8 million, respectively. Net deferred loan fees at September 30, 2020, includes $25.5 million related to the loans originated under the Paycheck Protection Program (“PPP”).

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The loan portfolio segment balances at the dates indicated are presented in the following table:

(In thousands)	September 30, 2020		December 31, 2019
Commercial real estate:
Commercial investor real estate	$	3,588,702	$	2,169,156
Commercial owner-occupied real estate	1,652,208		1,288,677
Commercial AD&C	994,800		684,010
Commercial business	2,227,246		801,019
Total commercial loans	8,462,956		4,942,862
Residential real estate:
Residential mortgage	1,173,857		1,149,327
Residential construction	175,123		146,279
Consumer	521,999		466,764
Total residential and consumer loans	1,870,979		1,762,370
Total loans	$	10,333,935	$	6,705,232

The fair value of the financial assets acquired in the Revere acquisition included loans receivable with a gross amortized cost basis of $2.5 billion. Of the loans acquired, the Company identified $974.8 million of loans that were classified as PCD. An initial allowance for credit losses of $18.6 million was recorded through a gross up adjustment to fair values of PCD loans. A fair value premium related to other factors totaled $4.5 million and will amortize to interest income over the remaining life of each loan. Total fair value of PCD loans as of the Acquisition Date was $960.7 million. As of September 30, 2020, the Revere PCD loans had a fair value of $901.9 million, with a remaining unamortized fair value premium of $4.0 million. Of the PCD loans, $11.3 million were non-accruing at the time of acquisition. Refer to Note 1 for more details on factors considered in the PCD assessment.

At the Acquisition Date, non-PCD loans totaled $1.5 billion and had a net fair value premium of $2.1 million, which will amortize to interest income over the remaining life of each loan. As of September 30, 2020, the Revere non-PCD loans had a fair value of $1.4 billion with a remaining unamortized fair value premium of $1.5 million. See Note 1 for more information on the Company’s accounting policy for acquired loans and Note 2 for more information on the Revere acquisition.

Portfolio Segments

The Company currently manages its credit products and the respective exposure to credit losses (credit risk) by the following specific portfolio segments (classes) which are levels at which the Company develops and documents its systematic methodology to determine the allowance for credit losses attributable to each respective portfolio segment. These segments are:

•Commercial investor real estate loans - Commercial investor real estate loans consist of loans secured by nonowner-occupied properties where an established banking relationship exists and involves investment properties for warehouse, retail, and office space with a history of occupancy and cash flow. This commercial investor real estate category contains mortgage loans to the developers and owners of commercial real estate where the borrower intends to operate or sell the property at a profit and use the income stream or proceeds from the sale(s) to repay the loan.

•Commercial owner-occupied real estate loans - Commercial owner-occupied real estate loans consist of commercial mortgage loans secured by owner occupied properties where an established banking relationship exists and involves a variety of property types to conduct the borrower’s operations. The decision to extend a loan is based upon the borrower’s financial health and the ability of the borrower and the business to repay. The primary source of repayment for this type of loan is the cash flow from the operations of the business.

•Commercial acquisition, development and construction loans - Commercial acquisition, development and construction loans are intended to finance the construction of commercial properties and include loans for the acquisition and development of land. Construction loans represent a higher degree of risk than permanent real estate loans and may be affected by a variety of additional factors such as the borrower’s ability to control costs and adhere to time schedules and the risk that constructed units may not be absorbed by the market within the anticipated time frame or at the anticipated price. The loan commitment on these loans often includes an interest reserve that allows the lender to periodically advance loan funds to pay interest charges on the outstanding balance of the loan.

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•Commercial business loans - Commercial loans are made to provide funds for equipment and general corporate needs. Repayment of a loan primarily comes from the funds obtained from the operation of the borrower’s business. Commercial loans also include lines of credit that are utilized to finance a borrower’s short-term credit needs and/or to finance a percentage of eligible receivables and inventory. Loans issued under the PPP are also included in this category, a substantial portion of which are expected to be forgiven by the Small Business Administration pursuant to the CARES Act.

•Residential mortgage loans - The residential mortgage loans category contains permanent mortgage loans principally to consumers secured by residential real estate. Residential real estate loans are evaluated for the adequacy of repayment sources at the time of approval, based upon measures including credit scores, debt-to-income ratios, and collateral values. Loans may be either conforming or non-conforming.

•Residential construction loans - The Company makes residential construction loans generally to provide interim financing on residential property during the construction period. Borrowers are typically individuals who will ultimately occupy the single-family dwelling. Loan funds are disbursed periodically as pre-specified stages of completion are attained based upon site inspections.

•Consumer loans - This category of loans includes primarily home equity loans and lines, installment loans, personal lines of credit, and other loans. The home equity category consists mainly of revolving lines of credit to consumers which are secured by residential real estate. These loans are typically secured with second mortgages on the homes. Other consumer loans include installment loans used by customers to purchase automobiles, boats and recreational vehicles.

NOTE 5 – CREDIT QUALITY ASSESSMENT

The Company completed the implementation of the CECL standard during the first quarter of 2020. The new guidance requires additional disclosures and introduces certain changes to definitions previously used under allowance for loan losses guidance. Accordingly, the following sections present separate disclosures compliant with the new and the legacy disclosure requirements.

Allowance for Credit Losses

Summary information on the allowance for credit loss activity for the period indicated is provided in the following table:

	Nine Months Ended September 30,
(In thousands)	2020		2019
Balance at beginning of period	$	56,132	$	53,486
Initial allowance on PCD loans at adoption of ASC 326	2,762		—
Transition impact of adopting ASC 326	2,983		—
Initial allowance on acquired Revere PCD loans	18,628		—
Provision for credit losses	90,158		3,029
Loan charge-offs	(1,255)		(2,101)
Loan recoveries	906		578
Net charge-offs	(349)		(1,523)
Balance at period end	$	170,314	$	54,992

The following table provides summary information regarding collateral dependent loans individually evaluated for credit loss at the dates indicated:

(In thousands)	September 30, 2020		December 31, 2019
Collateral dependent loans individually evaluated for credit loss with an allowance	$	25,823	$	15,333
Collateral dependent loans individually evaluated for credit loss without an allowance	30,299		9,440
Total individually evaluated collateral dependent loans	$	56,122	$	24,773
Allowance for credit losses related to loans evaluated individually	$	8,263	$	5,501
Allowance for credit losses related to loans evaluated collectively	162,051		50,631
Total allowance for credit losses	$	170,314	$	56,132

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The below section presents allowance for credit losses disclosures in line with the new CECL disclosure requirements.

The following table provides information on the activity in the allowance for credit losses by the respective loan portfolio segment for the period indicated:

 

	For the Nine Months Ended September 30, 2020
	Commercial Real Estate												Residential Real Estate
(Dollars in thousands)	Commercial Investor R/E			Commercial Owner- Occupied R/E			Commercial AD&C			Commercial Business			Residential Mortgage			Residential Construction			Consumer			Total
Balance at beginning of period	$	18,407		$	6,884		$	7,590		$	11,395		$	8,803		$	967		$	2,086		$	56,132
Initial allowance on PCD loans at adoption of ASC 326	1,114			—			—			1,549			—			—			99			2,762
Transition impact of adopting ASC 326	(3,125)			387			2,576			2,988			(388)			(275)			820			2,983
Initial allowance on acquired Revere PCD loans	7,973			2,782			1,248			6,289			243			6			87			18,628
Provision for credit losses	30,884			9,600			7,377			34,671			3,595			761			3,270			90,158
Charge-offs	(23)			—			—			(429)			(420)			—			(383)			(1,255)
Recoveries	6			—			—			696			78			5			121			906
Net recoveries (charge-offs)	(17)			—			—			267			(342)			5			(262)			(349)
Balance at end of period	$	55,236		$	19,653		$	18,791		$	57,159		$	11,911		$	1,464		$	6,100		$	170,314
Total loans	$	3,588,702		$	1,652,208		$	994,800		$	2,227,246		$	1,173,857		$	175,123		$	521,999		$	10,333,935
Allowance for credit losses to total loans ratio	1.54		%	1.19		%	1.89		%	2.57		%	1.01		%	0.84		%	1.17		%	1.65		%
Balance of loans individually evaluated for credit loss	$	27,508		$	6,511		$	1,678		$	18,728		$	1,333		$	—		$	364		$	56,122
Allowance related to loans evaluated individually	$	2,537		$	22		$	603		$	5,101		$	—		$	—		$	—		$	8,263
Individual allowance to loans evaluated individually ratio	9.22		%	0.34		%	35.94		%	27.24		%	—		%	—			—			14.72		%
Balance of loans collectively evaluated for credit loss	$	3,561,194		$	1,645,697		$	993,122		$	2,208,518		$	1,172,524		$	175,123		$	521,635		$	10,277,813
Allowance related to loans evaluated collectively	$	52,699		$	19,631		$	18,188		$	52,058		$	11,911		$	1,464		$	6,100		$	162,051
Collective allowance to loans evaluated collectively ratio	1.48		%	1.19		%	1.83		%	2.36		%	1.02		%	0.84		%	1.17		%	1.58		%

The following table presents collateral dependent loans individually evaluated for credit loss with the associated allowances for credit losses by the applicable portfolio segment:

	September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Loans individually evaluated for credit loss with an allowance:
Non-accruing	$	14,267	$	—	$	1,678	$	6,112	$	—	$	—	$	—	$	22,057
Restructured accruing	—		—		—		938		—		—		—		938
Restructured non-accruing	724		853		—		1,251		—		—		—		2,828
Balance	$	14,991	$	853	$	1,678	$	8,301	$	—	$	—	$	—	$	25,823
Allowance	$	2,537	$	22	$	603	$	5,101	$	—	$	—	$	—	$	8,263
Loans individually evaluated for credit loss without an allowance:
Non-accruing	$	11,417	$	4,194	$	—	$	10,007	$	—	$	—	$	—	$	25,618
Restructured accruing	724		—		—		131		1,061		—		—		1,916
Restructured non-accruing	376		1,464		—		289		272		—		364		2,765
Balance	$	12,517	$	5,658	$	—	$	10,427	$	1,333	$	—	$	364	$	30,299
Total individually evaluated loans:
Non-accruing	$	25,684	$	4,194	$	1,678	$	16,119	$	—	$	—	$	—	$	47,675
Restructured accruing	724		—		—		1,069		1,061		—		—		2,854
Restructured non-accruing	1,100		2,317		—		1,540		272		—		364		5,593
Balance	$	27,508	$	6,511	$	1,678	$	18,728	$	1,333	$	—	$	364	$	56,122
Total unpaid contractual principal balance	$	33,452	$	10,203	$	1,678	$	27,171	$	2,683	$	—	$	364	$	75,551

19

The following table presents average principal balance of total non-accrual loans, contractual interest due and interest income recognized on a cash basis on non-accrual loans for the periods indicated below:

	September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Average non-accrual loans for the period	$	22,254	$	5,366	$	1,573	$	14,932	$	11,990	$	—	$	6,497	$	62,612
Contractual interest income due on non- accrual loans during the period	$	1,496	$	368	$	67	$	750	$	447	$	—	$	292	$	3,420

There was no interest income recognized on non-accrual loans during the nine months ended September 30, 2020. See Note 1 for additional information on the Company's policies for non-accrual loans. Loans designated as non-accrual have all previously accrued but unpaid interest reversed from interest income. During the nine months ended September 30, 2020 new loans placed on non-accrual status totaled $30.5 million and the related amount of reversed uncollected accrued interest was $0.3 million.

The below section presents historical allowance for loan losses disclosures in line with the legacy disclosure requirements.

The following table provides information on the activity in the allowance for loan losses by the respective loan portfolio segment for the period indicated:

	For the Year Ended December 31, 2019
	Commercial Real Estate												Residential Real Estate
(Dollars in thousands)	Commercial Investor R/E			Commercial Owner- Occupied R/E			Commercial AD&C			Commercial Business			Residential Mortgage			Residential Construction			Consumer			Total
Balance at beginning of period	$	17,603		$	6,307		$	5,944		$	11,377		$	8,881		$	1,261		$	2,113		$	53,486
Provision (credit)	788			577			1,418			1,164			474			(302)			565			4,684
Charge-offs	—			—			—			(1,195)			(690)			—			(783)			(2,668)
Recoveries	16			—			228			49			138			8			191			630
Net recoveries (charge-offs)	16			—			228			(1,146)			(552)			8			(592)			(2,038)
Balance at end of period	$	18,407		$	6,884		$	7,590		$	11,395		$	8,803		$	967		$	2,086		$	56,132
Total loans	$	2,169,156		$	1,288,677		$	684,010		$	801,019		$	1,149,327		$	146,279		$	466,764		$	6,705,232
Allowance for loan losses to total loans ratio	0.85		%	0.53		%	1.11		%	1.42		%	0.77		%	0.66		%	0.45		%	0.84		%
Balance of loans specifically evaluated for impairment	$	9,212		$	4,148		$	829		$	8,867		$	1,717		$	—		$	—		$	24,773
Allowance for loans specifically evaluated for impairment	$	1,529		$	23		$	132		$	3,817		$	—		$	—		$	—		$	5,501
Specific allowance to specific loans ratio	16.60		%	0.55		%	15.92		%	43.05		%	—			—			—			22.21		%
Balance of loans collectively evaluated	$	2,150,400		$	1,284,529		$	683,181		$	789,613		$	1,147,602		$	146,279		$	465,771		$	6,667,375
Allowance for loans collectively evaluated	$	16,878		$	6,861		$	7,458		$	7,578		$	8,803		$	967		$	2,086		$	50,631
Collective allowance to collective loans ratio	0.78		%	0.53		%	1.09		%	0.96		%	0.77		%	0.66		%	0.45		%	0.76		%
Balance of loans acquired with deteriorated credit quality	$	9,544		$	—		$	—		$	2,539		$	8		$	—		$	993		$	13,084
Allowance for loans acquired with deteriorated credit quality	$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—
Allowance to loan acquired with deteriorated credit quality ratio	—			—			—			—			—			—			—			—

20

The following tables present the recorded investment with respect to impaired loans, the associated allowance by the applicable portfolio segment and the unpaid contractual principal balance of the impaired loans:

	December 31, 2019
	Commercial Real Estate										Total Recorded Investment in Impaired Loans
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans
Impaired loans with a specific allowance:
Non-accruing	$	5,448	$	767	$	829	$	5,608	$	—	$	12,652
Restructured accruing	—		—		—		266		—		266
Restructured non-accruing	437		122		—		1,856		—		2,415
Balance	$	5,885	$	889	$	829	$	7,730	$	—	$	15,333
Allowance	$	1,529	$	23	$	132	$	3,817	$	—	$	5,501
Impaired loans without a specific allowance:
Non-accruing	$	2,552	$	1,522	$	—	$	114	$	—	$	4,188
Restructured accruing	775		—		—		151		1,444		2,370
Restructured non-accruing	—		1,737		—		872		273		2,882
Balance	$	3,327	$	3,259	$	—	$	1,137	$	1,717	$	9,440
Total impaired loans:
Non-accruing	$	8,000	$	2,289	$	829	$	5,722	$	—	$	16,840
Restructured accruing	775		—		—		417		1,444		2,636
Restructured non-accruing	437		1,859		—		2,728		273		5,297
Balance	$	9,212	$	4,148	$	829	$	8,867	$	1,717	$	24,773
Unpaid principal balance in total impaired loans	$	13,805	$	6,072	$	829	$	11,296	$	2,618	$	34,620

	December 31, 2019
	Commercial Real Estate										Total Recorded Investment in Impaired Loans
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans
Average impaired loans for the period	$	7,565	$	4,390	$	2,052	$	7,781	$	1,577	$	23,365
Contractual interest income due on impaired loans during the period	$	786	$	258	$	127	$	648	$	128	$	1,947
Interest income on impaired loans recognized on an accrual basis	$	39	$	—	$	—	$	62	$	68	$	169

Credit Quality

The following section provides information on the credit quality of the loan portfolio under the new CECL disclosure requirements:

	For the Nine Months Ended September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Analysis of non-accrual loan activity:
Balance at beginning of period	$	8,437	$	4,148	$	829	$	8,450	$	12,661	$	—	$	4,107	$	38,632
PCD loans designated as non-accrual (1)	9,544		—		—		2,539		8		—		993		13,084
Loans placed on non-accrual	9,437		3,425		2,128		10,988		896		—		3,677		30,551
Non-accrual balances transferred to OREO	—		—		—		—		—		—		—		—
Non-accrual balances charged-off	(23)		—		—		(386)		(351)		—		(121)		(881)
Net payments or draws	(611)		(961)		(1,279)		(3,052)		(1,058)		—		(1,028)		(7,989)
Non-accrual loans brought current	—		(101)		—		(880)		(860)		—		(135)		(1,976)
Balance at end of period	$	26,784	$	6,511	$	1,678	$	17,659	$	11,296	$	—	$	7,493	$	71,421

(1)Upon the adoption of the CECL standard, the Company transitioned from closed pool level accounting for PCI loans during the first quarter of 2020. Non-accrual loans are determined based on the individual loan level and aggregated for reporting.

21

	September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Performing loans:
Current	$	3,555,815	$	1,643,589	$	991,086	$	2,198,943	$	1,155,016	$	169,766	$	507,336	$	10,221,551
30-59 days	4,181		2,108		1,634		8,862		5,197		3,167		5,039		30,188
60-89 days	1,198		—		402		620		967		2,190		2,130		7,507
Total performing loans	3,561,194		1,645,697		993,122		2,208,425		1,161,180		175,123		514,505		10,259,246
Non-performing loans:
Non-accrual loans	26,784		6,511		1,678		17,659		11,296		—		7,493		71,421
Loans greater than 90 days past due	—		—		—		93		320		—		1		414
Restructured loans	724		—		—		1,069		1,061		—		—		2,854
Total non-performing loans	27,508		6,511		1,678		18,821		12,677		—		7,494		74,689
Total loans	$	3,588,702	$	1,652,208	$	994,800	$	2,227,246	$	1,173,857	$	175,123	$	521,999	$	10,333,935

The credit quality indicators for commercial loans are developed through review of individual borrowers on an ongoing basis. Each borrower is evaluated at least annually with more frequent evaluation of more severely criticized loans. The indicators represent the rating for loans as of the date presented is based on the most recent credit review performed. These credit quality indicators are defined as follows:

Pass - A pass rated credit is not adversely classified because it does not display any of the characteristics for adverse classification.

Special mention – A special mention credit has potential weaknesses that deserve management’s close attention. If uncorrected, such weaknesses may result in deterioration of the repayment prospects or collateral position at some future date. Special mention assets are not adversely classified and do not warrant adverse classification.

Substandard – A substandard loan is inadequately protected by the current net worth and payment capacity of the obligor or of the collateral pledged, if any. Loans classified as substandard generally have a well-defined weakness, or weaknesses, that jeopardize the liquidation of the debt. These loans are characterized by the distinct possibility of loss if the deficiencies are not corrected.

Doubtful – A loan that is classified as doubtful has all the weaknesses inherent in a loan classified as substandard with added characteristics that the weaknesses make collection or liquidation in full highly questionable and improbable, on the basis of currently existing facts, conditions and values.

Loss – Loans classified as a loss are considered uncollectible and of such little value that their continuing to be carried as a loan is not warranted. This classification is not necessarily equivalent to no potential for recovery or salvage value, but rather that it is not appropriate to defer a full write-off even though partial recovery may be effected in the future.

22

The following table provides information about credit quality indicators by the year of origination:

	September 30, 2020
	Term Loans by Origination Year												Revolving
(In thousands)	2020		2019		2018		2017		2016		Prior		Loans		Total
Commercial Investor R/E:
Pass	$	675,314	$	799,088	$	466,850	$	501,591	$	493,003	$	566,433	$	31,413	$	3,533,692
Special Mention	5,049		1,617		19,026		232		271		1,873		—		28,068
Substandard	494		3,020		—		7,101		682		15,645		—		26,942
Doubtful	—		—		—		—		—		—		—		—
Total	$	680,857	$	803,725	$	485,876	$	508,924	$	493,956	$	583,951	$	31,413	$	3,588,702
Commercial Owner-Occupied R/E:
Pass	$	207,879	$	392,597	$	248,942	$	203,649	$	209,218	$	356,393	$	1,812	$	1,620,490
Special Mention	2,324		4,124		5,505		5,381		137		5,307		—		22,778
Substandard	493		870		788		465		222		5,863		—		8,701
Doubtful	—		—		—		—		—		239		—		239
Total	$	210,696	$	397,591	$	255,235	$	209,495	$	209,577	$	367,802	$	1,812	$	1,652,208
Commercial AD&C:
Pass	$	356,246	$	292,303	$	169,833	$	62,582	$	6,711	$	2,377	$	83,756	$	973,808
Special Mention	1,710		—		—		13,658		—		—		—		15,368
Substandard	1,127		1,554		—		100		2,843		—		—		5,624
Doubtful	—		—		—		—		—		—		—		—
Total	$	359,083	$	293,857	$	169,833	$	76,340	$	9,554	$	2,377	$	83,756	$	994,800
Commercial Business:
Pass	$	1,190,428	$	215,772	$	149,231	$	97,275	$	37,641	$	88,653	$	410,116	$	2,189,116
Special Mention	249		3,517		1,462		18		1,467		2,210		4,365		13,288
Substandard	2,050		3,242		3,287		1,713		2,353		2,070		1,708		16,423
Doubtful	114		1,042		950		36		1,309		1,987		2,981		8,419
Total	$	1,192,841	$	223,573	$	154,930	$	99,042	$	42,770	$	94,920	$	419,170	$	2,227,246
Residential Mortgage:
Beacon score:
660-850	$	169,476	$	69,350	$	164,196	$	207,953	$	153,302	$	285,639	$	—	$	1,049,916
600-659	4,235		11,924		12,136		13,559		9,753		24,752		—		76,359
540-599	321		1,833		5,089		2,722		3,507		9,270		—		22,742
less than 540	391		1,739		6,049		1,367		2,769		12,525		—		24,840
Total	$	174,423	$	84,846	$	187,470	$	225,601	$	169,331	$	332,186	$	—	$	1,173,857
Residential Construction:
Beacon score:
660-850	$	79,897	$	66,861	$	19,900	$	3,963	$	1,736	$	—	$	—	$	172,357
600-659	987		904		—		—		369		—		—		2,260
540-599	—		—		—		—		—		—		—		—
less than 540	506		—		—		—		—		—		—		506
Total	$	81,390	$	67,765	$	19,900	$	3,963	$	2,105	$	—	$	—	$	175,123
Consumer:
Beacon score:
660-850	$	2,561	$	5,345	$	5,327	$	2,297	$	2,772	$	23,023	$	420,848	$	462,173
600-659	608		747		286		452		1,076		5,090		20,555		28,814
540-599	49		433		260		93		503		3,101		8,141		12,580
less than 540	742		521		608		1,053		761		3,113		11,634		18,432
Total	$	3,960	$	7,046	$	6,481	$	3,895	$	5,112	$	34,327	$	461,178	$	521,999
Total loans	$	2,703,250	$	1,878,403	$	1,279,725	$	1,127,260	$	932,405	$	1,415,563	$	997,329	$	10,333,935

23

The following section provides historical information on the credit quality of the loan portfolio under the legacy disclosure requirements:

	December 31, 2019
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Non-performing loans and assets:
Non-accrual loans	$	8,437	$	4,148	$	829	$	8,450	$	12,661	$	—	$	4,107	$	38,632
Loans 90 days past due	—		—		—		—		—		—		—		—
Restructured loans	775		—		—		417		1,080		—		364		2,636
Total non-performing loans	9,212		4,148		829		8,867		13,741		—		4,471		41,268
Other real estate owned	409		—		665		39		305		—		64		1,482
Total non-performing assets	$	9,621	$	4,148	$	1,494	$	8,906	$	14,046	$	—	$	4,535	$	42,750

	December 31, 2019
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Past due loans:
30-59 days	$	932	$	316	$	—	$	908	$	14,853	$	280	$	2,697	$	19,986
60-89 days	—		—		—		370		4,541		1,334		1,517		7,762
> 90 days	—		—		—		—		—		—		—		—
Total past due	932		316		—		1,278		19,394		1,614		4,214		27,748
Non-accrual loans	8,437		4,148		829		8,450		12,661		—		4,107		38,632
Loans acquired with deteriorated credit quality	9,544		—		—		2,539		8		—		993		13,084
Current loans	2,150,243		1,284,213		683,181		788,752		1,117,264		144,665		457,450		6,625,768
Total loans	$	2,169,156	$	1,288,677	$	684,010	$	801,019	$	1,149,327	$	146,279	$	466,764	$	6,705,232

	December 31, 2019
	Commercial Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Total
Pass	$	2,146,971	$	1,278,337	$	683,181	$	783,909	$	4,892,398
Special Mention	3,189		2,284		—		2,487		7,960
Substandard	18,996		8,056		829		14,623		42,504
Doubtful	—		—		—		—		—
Total	$	2,169,156	$	1,288,677	$	684,010	$	801,019	$	4,942,862

	December 31, 2019
	Residential Real Estate
(In thousands)	Residential Mortgage		Residential Construction		Consumer		Total
Performing	$	1,135,586	$	146,279	$	462,293	$	1,744,158
Non-performing:							—
90 days past due	—		—		—		—
Non-accruing	12,661		—		4,107		16,768
Restructured loans	1,080		—		364		1,444
Total	$	1,149,327	$	146,279	$	466,764	$	1,762,370

24

The following table provides the amounts of the restructured loans at the date of restructuring for specific segments of the loan portfolio during the period indicated:

	For the Nine Months Ended September 30, 2020
	Commercial Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans		Total
Troubled debt restructurings:
Restructured accruing	$	—	$	—	$	—	$	322	$	—	$	322
Restructured non-accruing	723		930		—		808		—		2,461
Balance	$	723	$	930	$	—	$	1,130	$	—	$	2,783
Specific allowance	$	49	$	19	$	—	$	867	$	—	$	935
Restructured and subsequently defaulted	$	—	$	—	$	—	$	—	$	—	$	—

	For the Year Ended December 31, 2019
	Commercial Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans		Total
Troubled debt restructurings:
Restructured accruing	$	775	$	—	$	—	$	170	$	364	$	1,309
Restructured non-accruing	789		—		—		261		—		1,050
Balance	$	1,564	$	—	$	—	$	431	$	364	$	2,359
Specific allowance	$	205	$	—	$	—	$	196	$	—	$	401
Restructured and subsequently defaulted	$	—	$	—	$	—	$	—	$	—	$	—

During the nine months ended September 30, 2020, the Company restructured $2.8 million in loans that were designated as TDRs. TDRs are subject to periodic credit reviews to determine the necessity and adequacy of an individual loan loss allowance based on the collectability of the recorded investment in the restructured loan. Loans restructured as TDRs during the nine months ended September 30, 2020 had individual reserves of $0.9 million. For the year ended December 31, 2019, the Company restructured $2.4 million in loans. Loans restructured as TDRs during 2019 had individual reserves of $0.4 million at December 31, 2019. During both the nine months ended September 30, 2020 and for the year ended December 31, 2019 TDR modifications consisted principally of interest rate concessions, and did not result in the reduction of the recorded investment in the associated loan balances. The commitments to lend additional funds on loans that have been restructured at September 30, 2020 and December 31, 2019 were not significant.

Other Real Estate Owned

Other real estate owned ("OREO") totaled $1.4 million and $1.5 million at September 30, 2020 and December 31, 2019, respectively. There was one consumer mortgage loan secured by residential real estate property in the total amount of $0.1 million for which formal foreclosure proceedings were in process as of September 30, 2020.

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NOTE 6 – GOODWILL AND OTHER INTANGIBLE ASSETS

The gross carrying amounts and accumulated amortization of intangible assets and goodwill are presented at the dates indicated in the following table:

	September 30, 2020						Weighted Average Remaining Life	December 31, 2019						Weighted Average Remaining Life
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount			Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets:
Core deposit intangibles	$	29,038	$	(6,841)	$	22,197	8.7 years	$	10,678	$	(3,689)	$	6,989	8.0 years
Other identifiable intangibles	13,906		(1,928)		11,978		10.9 years	1,478		(626)		852		9.7 years
Total amortizing intangible assets	$	42,944	$	(8,769)	$	34,175		$	12,156	$	(4,315)	$	7,841
Goodwill	$	370,549			$	370,549		$	347,149			$	347,149

The table above reflects an additional $18.4 million in core deposit intangible asset related to the Revere acquisition that is amortizing over 9.67 years.

The amount of goodwill by reportable segment is presented in the following table:

(In thousands)	Community Banking		Insurance		Investment Management		Total
Balance December 31, 2019	$	331,173	$	6,788	$	9,188	$	347,149
Acquisition of Rembert Pendleton Jackson	—		—		22,559		22,559
Acquisition of Revere Bank	841		—		—		841
Balance September 30, 2020	$	332,014	$	6,788	$	31,747	$	370,549

The table above includes the estimated amount of goodwill resulting from the Revere acquisition that was recorded as of September 30, 2020. See Note 2 for additional information on the Revere acquisition.

The following table presents the estimated future amortization expense for amortizing intangible assets within the years ending December 31:

(In thousands)	Amount
Remaining for 2020	$	1,654
2021	6,600
2022	5,845
2023	5,089
2024	4,333
Thereafter	10,654
Total amortizing intangible assets	$	34,175

NOTE 7 – DEPOSITS

The following table presents the composition of deposits at the dates indicated:

(In thousands)	September 30, 2020		December 31, 2019
Noninterest-bearing deposits	$	3,458,804	$	1,892,052
Interest-bearing deposits:
Demand	1,137,000		836,433
Money market savings	3,104,600		1,839,593
Regular savings	396,280		329,919
Time deposits of less than $100,000	545,903		463,431
Time deposits of $100,000 or more	1,322,382		1,078,891
Total interest-bearing deposits	6,506,165		4,548,267
Total deposits	$	9,964,969	$	6,440,319

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The Company acquired $2.3 billion of deposits in the Revere acquisition, including approximately $752.4 million of certificates of deposit with a fair value premium adjustment of $14.7 million amortizing over a total life of 5 years. As of September 30, 2020, $9.8 million of the fair value premium remained unamortized.

NOTE 8 – BORROWINGS

Subordinated Debt

On November 5, 2019, the Company completed an offering of $175.0 million aggregate principal amount Fixed to Floating Rate Subordinated Notes due in 2029. The notes bear a fixed interest rate of 4.25% per year through November 14, 2024. Beginning November 15, 2024, the interest rate will become a floating rate equal to three month LIBOR, or an alternative benchmark rate as determined pursuant to the terms of the indenture for the notes in the event LIBOR has been discontinued by November 15, 2024, plus 262 basis points through the remaining maturity or early redemption date of the notes. The interest will be paid in arrears semi-annually during the fixed rate period and quarterly during the floating rate period. The Company incurred $2.9 million of debt issuance costs which are being amortized through the contractual life of the debt. The entire amount of the subordinated debt is considered Tier 2 capital under current regulatory guidelines.

In conjunction with the acquisition of WashingtonFirst Bankshares, Inc. ("WashingtonFirst"), the Company assumed $25.0 million in subordinated debt with an associated purchase premium at acquisition of $2.2 million, which will be amortized over the contractual life of the obligation. The subordinated debt has a ten year term, maturing on October 15, 2025, is non-callable until October 15, 2020 and currently bears a fixed interest rate of 6.00% per annum, payable semi-annually. Beginning on October 5, 2020, the interest rate resets quarterly to an amount equal to 3 month LIBOR plus 467 basis points. The entire amount of the subordinated debt is considered Tier 2 capital under current regulatory guidelines.

Also in conjunction with the acquisition of WashingtonFirst, the Company assumed $10.3 million in callable junior subordinated debt securities with an associated purchase premium at acquisition of $0.1 million that will amortize over the contractual life of the obligation. During the first quarter of 2020, the Company redeemed all $10.3 million of the outstanding principal balance of the callable junior subordinated debt securities.

In conjunction with the acquisition of Revere, the Company assumed $31.0 million in subordinated debt with an associated purchase premium at acquisition of $0.2 million, which will be amortized through the call date. The subordinated debt has a ten year term, maturing on September 30, 2026, is non-callable until September 30, 2021, and currently bears a fixed interest rate of 5.625% per annum, payable semi-annually. Beginning on October 1, 2021, the interest rate resets quarterly to an amount equal to 3 month LIBOR plus 441 basis points. The entire amount of the subordinated debt is considered Tier 2 capital under current regulatory guidelines.

The following table provides information on subordinated debt as of the date indicated:

(In thousands)	September 30, 2020		December 31, 2019
Fixed to floating rate sub debt, 4.25%	$	175,000	$	175,000
WashingtonFirst sub debt, 6.00%	25,000		25,000
Revere fixed to floating rate sub debt, 5.625%	31,000		—
Total Sub debt	231,000		200,000
Add: Purchase accounting premium	1,954		1,894
Less: Debt issuance costs	(2,654)		(2,885)
Net sub debt	230,300		199,009
WashingtonFirst callable junior subordinated debt	—		10,310
Add: Purchase accounting premium	—		87
Net WashingtonFirst callable junior subordinated debt	—		10,397
Long-term borrowings	$	230,300	$	209,406

Other Borrowings

At September 30, 2020 and December 31, 2019, the Company had $142.3 million and $138.6 million, respectively, of outstanding retail repurchase agreements. The Company had $70.0 million and $75.0 million of outstanding federal funds purchased at September 30, 2020 and December 31, 2019, respectively. During the quarter ended September 30, 2020, the Company repaid $594.6 million of Paycheck Protection Program Liquidity Facility ("PPPLF") borrowings, which were used to fund PPP loans issued during the prior quarter. At September 30, 2020, $250.4 million in PPPLF borrowings remained outstanding. The Company had $837.7 million available to borrow under the PPPLF at September 30, 2020. Amounts borrowed under the PPPLF are required to be repaid as the Company’s PPP loans are repaid or forgiven.

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At September 30, 2020 and December 31, 2019, the Company had $444.2 million and $513.8 million, respectively, of advances from the Federal Home Loan Bank of Atlanta (“FHLB”). During the second quarter of 2020, the Company assumed $168.4 million of FHLB advances in connection with the acquisition of Revere, with a fair value premium of $5.8 million recorded at acquisition. During the quarter ended June 30, 2020, the Company prepaid $115.4 million of the acquired advances and recognized a prepayment penalty of $5.9 million, which was reflected in Other expenses in the Condensed Consolidated Statements of Income. Also in connection with the prepayment, the Company recognized the remaining unamortized fair value premium of $5.8 million on those prepaid advances, which was reflected in Interest on advances from FHLB in the Condensed Consolidated Statements of Income. The remaining $53.0 million of acquired Revere FHLB advances, which were not prepaid, matured during the quarter ended June 30, 2020.

At September 30, 2020, the Company had an available line of credit with the FHLB under which its borrowings are limited to $2.3 billion based on pledged collateral at prevailing market interest rates, with $444.2 million borrowed against it at September 30, 2020. At December 31, 2019, lines of credit with the FHLB totaled $2.4 billion based on pledged collateral with $513.8 million borrowed against the line. Under a blanket lien, the Company has pledged qualifying residential mortgage loans amounting to $1.0 billion, commercial real estate loans amounting to $2.7 billion, home equity lines of credit (“HELOC”) amounting to $227.0 million, and multifamily loans amounting to $235.7 million at September 30, 2020, as collateral under the borrowing agreement with the FHLB. At December 31, 2019, the Company had pledged collateral of qualifying mortgage loans of $1.0 billion, commercial real estate loans of $1.9 billion, HELOC loans of $266.8 million, and multifamily loans of $109.7 million under the FHLB borrowing agreement. The Company also had lines of credit available from the Federal Reserve Bank and correspondent banks of $366.5 million and $463.3 million at September 30, 2020 and December 31, 2019, respectively, collateralized by loans. In addition, the Company had unsecured lines of credit with correspondent banks of $780.0 million and $730.0 million at September 30, 2020 and December 31, 2019, respectively. At September 30, 2020, the Company had $70.0 million outstanding borrowings against these unsecured lines of credit.

NOTE 9 – STOCKHOLDERS' EQUITY

The Company’s Board of Directors approved a stock repurchase plan in December 2018 that permits the repurchase of up to 1,800,000 shares of common stock. For the nine months ended September 30, 2020, the Company repurchased and retired 820,328 shares of its common stock at an average price of $31.33 per share. The Company did not repurchase shares during the three months ended September 30, 2020. Cumulatively under the program, as of September 30, 2020, the Company has repurchased and retired 1,488,519 common shares for the total cost of $50.0 million under the current repurchase plan.

On April 1, 2020, to facilitate the acquisition of Revere and as previously approved by the Company’s Board of Directors, the Company issued an additional 12,768,949 shares of the Company’s common stock at $22.64 per share. See to Note 2 for additional information on the acquisition of Revere.

NOTE 10 – SHARE BASED COMPENSATION

At September 30, 2020, the Company had two share based compensation plans in existence, the 2005 Omnibus Stock Plan (“Omnibus Stock Plan”) and the 2015 Omnibus Incentive Plan (“Omnibus Incentive Plan”). The Omnibus Stock Plan expired during the second quarter of 2015 but has outstanding options that may still be exercised. The Omnibus Incentive Plan is described in the following paragraph.

The Company’s Omnibus Incentive Plan was approved on May 6, 2015 and provides for the granting of incentive stock options, non-qualifying stock options, stock appreciation rights, restricted stock grants, restricted stock units and performance share units to selected directors and employees on a periodic basis at the discretion of the Company’s Board of Directors. The Omnibus Incentive Plan authorizes the issuance of up to 1,500,000 shares of common stock, of which 908,499 are available for issuance at September 30, 2020, has a term of ten years, and is administered by a committee of at least three directors appointed by the Board of Directors. Options granted under the plan have an exercise price which may not be less than 100% of the fair market value of the common stock on the date of the grant and must be exercised within seven or ten years from the date of grant depending on the terms of the grant agreement. The exercise price of stock options must be paid for in full in cash or shares of common stock, or a combination of both. The board committee has the discretion when making a grant of stock options to impose restrictions on the shares to be purchased upon the exercise of such options. The Company generally issues authorized but previously unissued shares to satisfy option exercises.

The dividend yield is based on estimated future dividend yields. The risk-free rate for periods within the contractual term of the share option is based on the U.S. Treasury yield curve in effect at the time of the grant. Expected volatilities are generally based on historical volatilities. The expected term of share options granted is generally derived from historical experience.

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Compensation expense is recognized on a straight-line basis over the vesting period of the respective stock option, restricted stock, restricted stock unit grant or performance share units. The Company recognized compensation expense of $1.0 million and $0.7 million for the three months ended September 30, 2020 and 2019, respectively, and of $2.8 million and $2.1 million, for the nine months ended September 30, 2020 and 2019, respectively, related to the awards of stock options, restricted stock grants, restricted stock unit grants and performance share unit grants. The total of unrecognized compensation cost related to stock options was not significant as of September 30, 2020, and is expected to be recognized within one year. The fair value of the options vested during the nine months ended September 30, 2020 and 2019, was $0.1 million and $0.2 million, respectively. The total of unrecognized compensation cost related to restricted stock awards, restricted stock unit grants, and performance share unit grants was approximately $9.1 million as of September 30, 2020. That cost is expected to be recognized over a weighted average period of approximately 2.8 years.

The Company did not grant restricted shares, restricted stock units and performance share units during the three months ended September 30, 2020. During the nine months ended September 30, 2020, the Company granted 246,015 restricted shares, restricted stock units and performance share units, of which 44,905 units are subject to achievement of certain performance conditions measured over a three year performance period and 201,110 of restricted shares or units subject to a three- or five-year vesting schedule. The Company issued 395,298 stock options at a weighted average grant-date fair value of $9.14 during the second quarter of 2020, due to a conversion of stock options held prior to the Acquisition Date by Revere employees. The fair value of the options issued were considered part of the consideration transferred and were therefore recorded as an adjustment to goodwill. See Note 2 for additional information on the acquisition of Revere. The Company did not grant any stock options under the Omnibus Incentive Plan during the three or nine months ended September 30, 2020

A summary of share option activity for the period indicated is reflected in the following table:

	Number of Common Shares	Weighted Average Exercise Share Price		Weighted Average Contractual Remaining Life (Years)	Aggregate Intrinsic Value (in thousands)
Balance at Balance at January 1, 2020	65,279	$	31.34		$	485
Granted	—	$	—
Converted options from Revere acquisition	395,298	$	12.27
Exercised	(10,213)	$	16.07		$	123
Forfeited	(765)	$	39.02
Expired	(703)	$	28.26
Balance at September 30, 2020	448,896	$	14.89	3.1	$	4,383
Exercisable at September 30, 2020	444,132	$	14.64	3.1	$	4,383

A summary of the activity for the Company’s restricted stock, restricted stock units and performance share units for the period indicated is presented in the following table:

	Number of Common Shares/Units	Weighted Average Grant-Date Fair Value
Non-vested at Non-vested at January 1, 2020	226,502	$	35.43
Granted	246,015	$	25.82
Vested	(66,533)	$	34.38
Forfeited/ cancelled	(9,363)	$	43.71
Non-vested at September 30, 2020	396,621	$	29.45

NOTE 11 – PENSION PLAN

Defined Benefit Pension Plan

The Company has a qualified, noncontributory, defined benefit pension plan (the “Plan”). Benefits after January 1, 2005, are based on the benefit earned as of December 31, 2004, plus benefits earned in future years of service based on the employee’s compensation during each such year. All benefit accruals for employees were frozen as of December 31, 2007 based on past

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service and thus salary increases and additional years of service after such date no longer affect the defined benefit provided by the Plan, although additional vesting may continue to occur.

The Company's funding policy is to contribute amounts to the Plan sufficient to meet the minimum funding requirements of the Employee Retirement Income Security Act of 1974 (“ERISA”), as amended. In addition, the Company contributes additional amounts as it deems appropriate based on benefits attributed to service prior to the date of the Plan freeze. The Plan invests primarily in a diversified portfolio of managed fixed income and equity funds.

The components of net periodic benefit cost for the periods indicated are presented in the following table:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2020		2019		2020		2019
Interest cost on projected benefit obligation	$	359	$	403	$	1,078	$	1,207
Expected return on plan assets	(456)		(412)		(1,368)		(1,236)
Recognized net actuarial loss	219		264		656		794
Net periodic benefit cost	$	122	$	255	$	366	$	765

The decision as to whether or not to make a plan contribution and the amount of any such contribution is dependent on a number of factors. Such factors include the investment performance of Plan assets in the current economy and, since the Plan is currently frozen, the remaining investment horizon of the Plan. After consideration of these factors, the Company has not made a contribution during the nine months ended September 30, 2020. Management continues to monitor the funding level of the Plan and may make additional contributions as necessary during 2020.

NOTE 12 – NET INCOME PER COMMON SHARE

The calculation of net income per common share for the periods indicated is presented in the following table:

	Three Months Ended September 30,				Nine Months Ended September 30,
(Dollars and amounts in thousands, except per share data)	2020		2019		2020		2019
Net income	$	44,642	$	29,383	$	40,291	$	87,976
Distributed and undistributed earnings allocated to participating securities	373		186		317		570
Net income attributable to common shareholders	$	44,269	$	29,197	$	39,974	$	87,406
Total weighted average outstanding shares	47,415		35,850		43,261		35,829
Less: Weighted average participating securities	397		228		355		237
Basic weighted average common shares	47,018		35,622		42,906		35,592
Dilutive weighted average common stock equivalents	157		50		165		50
Diluted weighted average common shares	47,175		35,672		43,071		35,642
Basic net income per common share	$	0.94	$	0.82	$	0.93	$	2.46
Diluted net income per common share	$	0.94	$	0.82	$	0.93	$	2.45
Anti-dilutive shares	37		8		22		10

NOTE 13 – ACCUMULATED OTHER COMPREHENSIVE INCOME/ (LOSS)

Comprehensive income/ (loss) is defined as net income/ (loss) plus transactions and other occurrences that are the result of non-owner changes in equity. For Condensed Consolidated Financial Statements presented for the Company, non-owner changes in equity are comprised of unrealized gains or losses on investments available-for-sale and any minimum pension liability adjustments.

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The following table presents the activity in net accumulated other comprehensive income/ (loss) and the components of the activity for the periods indicated:

(In thousands)	Unrealized Gains on Investments Available-for-Sale		Defined Benefit Pension Plan		Total
Balance at January 1, 2020	$	4,000	$	(8,332)	$	(4,332)
Other comprehensive income before reclassification, net of tax	21,650		—		21,650
Reclassifications from accumulated other comprehensive income, net of tax	(322)		497		175
Current period change in other comprehensive income, net of tax	21,328		497		21,825
Balance at September 30, 2020	$	25,328	$	(7,835)	$	17,493

(In thousands)	Unrealized Gains/ (Losses) on Investments Available-for-Sale		Defined Benefit Pension Plan		Total
Balance at January 1, 2019	$	(6,630)	$	(9,124)	$	(15,754)
Other comprehensive income before reclassification, net of tax	12,475		—		12,475
Reclassifications from accumulated other comprehensive income, net of tax	(15)		586		571
Current period change in other comprehensive income, net of tax	12,460		586		13,046
Balance at September 30, 2019	$	5,830	$	(8,538)	$	(2,708)

The following table provides the information on the reclassification adjustments out of accumulated other comprehensive income/ (loss) for the periods indicated:

	Nine Months Ended September 30,
(In thousands)	2020		2019
Unrealized gains on investments available-for-sale:
Affected line item in the Statements of Income:
Investment securities gains	$	432	$	20
Income before taxes	432		20
Tax expense	(110)		(5)
Net income	$	322	$	15
Amortization of defined benefit pension plan items:
Affected line item in the Statements of Income:
Recognized actuarial loss (1)	$	(656)	$	(794)
Loss before taxes	(656)		(794)
Tax benefit	159		208
Net loss	$	(497)	$	(586)

(1)This amount is included in the computation of net periodic benefit cost. See Note 11 for additional information on the pension plan.

NOTE 14 – LEASES

The Company leases real estate properties for its network of bank branches, financial centers and corporate offices. All of the Company’s leases are currently classified as operating. Most lease agreements include one or more options to renew, with renewal terms that can extend the original lease term from one to twenty years or more. The Company does not sublease any of its leased real estate properties.

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The following table provides information regarding the Company's leases as of the dates indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Components of lease expense:
Operating lease cost (resulting from lease payments)	$	3,154	$	2,912	$	9,281	$	8,605
Supplemental cash flow information related to leases:
Operating cash flows from operating leases	$	4,158	$	2,349	$	10,160	$	6,653
ROU assets obtained in the exchange for lease liabilities due to:
New leases	$	—	$	—	$	—	$	—
Acquisitions	$	—	$	—	$	7,720	$	—
					September 30, 2020		December 31, 2019
Supplemental balance sheet information related to leases:
Operating lease ROU assets					$	67,554	$	69,320
Operating lease liabilities					$	77,506	$	76,871
Other information related to leases:
Weighted average remaining lease term of operating leases					9.6 years		10.4 years
Weighted average discount rate of operating leases					3.10%		3.28%

 

The Company added two locations from the acquisition of RPJ during the first quarter of 2020. The associated new ROU assets obtained in exchange for lease obligations totaled $0.3 million.

On April 1, 2020, in conjunction with the acquisition of Revere, the Company added 15 additional operating leases (at 12 locations), one of which is expected to commence operations in 2021. The associated new ROU assets of $7.4 million obtained in exchange for lease obligations of $8.7 million was recorded at the close of the acquisition. The ROU assets recorded at acquisition included $1.1 million for acquisition related unfavorable fair value marks and a tenant allowance of $0.2 million. During the three months ended June 30, 2020, subsequent to and resulting from the acquisition, the Company determined that due to market overlap and other synergies, the Company would more-likely-than-not terminate seven of the acquired leases, comprised of six branch locations and one office space location. The decision resulted in an impairment charge of $2.3 million, which was recorded to Merger and acquisition expense in the Condensed Consolidated Statements of Income during the second quarter of 2020. The Company estimated the fair value of the leases to be equal to the cash payments remaining between the impairment date and the anticipated abandonment date.

At September 30, 2020, the maturities of the Company’s operating lease liabilities were as follows:

 

(In thousands)	Amount
Maturity:
Remaining for 2020	$	3,280
2021	12,634
2022	11,029
2023	10,882
2024	9,064
Thereafter	44,407
Total undiscounted lease payments	91,296
Less: Present value discount	(13,790)
Lease Liability	$	77,506

The Company recognized a lease liability of $2.1 million and ROU asset of $1.4 million for one additional operating lease that has not yet commenced operations at September 30, 2020, and is expected to commence operations in 2021. This ROU asset includes approximately $0.2 million of tenant allowance for improvements to the space and $0.5 million for an acquisition

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related unfavorable fair market value adjustment. The Company does not have any lease arrangements with any of its related parties as of September 30, 2020.

NOTE 15 – DERIVATIVES

The Company has entered into interest rate swaps (“swaps”) to facilitate customer transactions and meet their financing needs. These swaps qualify as derivatives, but are not designated as hedging instruments. Interest rate swap contracts involve the risk of dealing with counterparties and their ability to meet contractual terms. When the fair value of a derivative instrument contract is positive, this generally indicates that the counterparty or customer owes the Company and results in credit risk to the Company. When the fair value of a derivative instrument contract is negative, the Company owes the customer or counterparty and, therefore, has no credit risk. The notional value of the swaps outstanding was $240.1 million with a fair value of $10.2 million as of September 30, 2020 compared to $204.7 million with a fair value of $2.5 million as of December 31, 2019. The swap positions are offset to minimize the potential impact on the Company’s Condensed Consolidated Financial Statements. Fair values of the swaps are carried as both gross assets and gross liabilities in other assets and other liabilities, respectively, in the Condensed Consolidated Statements of Condition. The associated net gains and losses on the swaps are recorded in Other income in the Condensed Consolidated Statements of Income.

NOTE 16 – LITIGATION

The Company and its subsidiaries are subject in the ordinary course of business to various pending or threatened legal proceedings in which claims for monetary damages are asserted. After consultation with legal counsel, management does not anticipate that the ultimate liability, if any, arising out of these legal matters will have a material adverse effect on the Company's financial condition, operating results or liquidity.

NOTE 17 – FAIR VALUE

GAAP provides entities the option to measure eligible financial assets, financial liabilities and commitments at fair value (i.e. the fair value option), on an instrument-by-instrument basis, that are otherwise not permitted to be accounted for at fair value under other accounting standards. The election to use the fair value option is available when an entity first recognizes a financial asset or financial liability or upon entering into a commitment. Subsequent changes in fair value must be recorded in earnings. The Company applies the fair value option on residential mortgage loans held for sale. The fair value option on residential mortgage loans held for sale allows the recognition of gains on the sale of mortgage loans to more accurately reflect the timing and economics of the transaction.

The standard for fair value measurement establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are described below.

Basis of Fair Value Measurement:

Level 1- Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities;

Level 2- Quoted prices in markets that are not active, or inputs that are observable, either directly or indirectly, for substantially the full term of the asset or liability;

Level 3- Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e. supported by little or no market activity).

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

Changes to interest rates may result in changes in the cash flows due to prepayments or extinguishments. Accordingly, changes to interest rates could result in higher or lower measurements of the fair values.

Assets and Liabilities

Residential mortgage loans held for sale

Residential mortgage loans held for sale are valued based on quotations from the secondary market for similar instruments and are classified as Level 2 in the fair value hierarchy.

Investments available-for-sale

U.S. treasuries and government agencies securities and mortgage-backed and asset-backed securities

Valuations are based on active market data and use of evaluated broker pricing models that vary based by asset class and includes available trade, bid, and other market information. Generally, the methodology includes broker quotes, proprietary

33

models, descriptive terms, and databases coupled with extensive quality control programs. Quality control evaluation processes use available market, credit and deal level information to support the evaluation of the security. Additionally, proprietary models and pricing systems, mathematical tools, actual transacted prices, integration of market developments and experienced evaluators are used to determine the value of a security based on a hierarchy of market information regarding a security or securities with similar characteristics. The Company does not adjust the quoted price for such securities. Such instruments are classified within Level 2 in the fair value hierarchy.

State and municipal securities

The Company primarily uses prices obtained from third-party pricing services to determine the fair value of securities. The Company independently evaluates and corroborates the fair value received from pricing services through various methods and techniques, including references to dealer or other market quotes, by reviewing valuations of comparable instruments, and by comparing the prices realized on the sale of similar securities. Such securities are classified within Level 2 in the fair value hierarchy.

Corporate debt

The fair value of corporate debt is determined by utilizing a discounted cash flow valuation technique employed by a third-party valuation specialist. The third-party specialist uses assumptions related to yield, prepayment speed, conditional default rates and loss severity based on certain factors such as, credit worthiness of the counterparty, prevailing market rates, and analysis of similar securities. The Company evaluates the fair values provided by the third-party specialist for reasonableness and classifies them as level 3 in the fair value hierarchy.

Interest rate swap agreements

Interest rate swap agreements are measured by alternative pricing sources using a discounted cash flow method that incorporates current market interest rates. Based on the complex nature of interest rate swap agreements, the markets these instruments trade in are not as efficient and are less liquid than that of the more mature Level 1 markets. These characteristics classify interest rate swap agreements as Level 2 in the fair value hierarchy.

Assets Measured at Fair Value on a Recurring Basis

The following tables set forth the Company’s financial assets and liabilities at the dates indicated that were accounted for or disclosed at fair value. Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	September 30, 2020
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(In thousands)	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Residential mortgage loans held for sale (1)	$	—	$	88,728	$	—	$	88,728
Investments available-for-sale:
U.S. treasuries and government agencies	—		139,405		—		139,405
State and municipal	—		352,987		—		352,987
Mortgage-backed and asset-backed	—		852,314		—		852,314
Corporate debt	—		—		12,499		12,499
Total investments available-for-sale	—		1,344,706		12,499		1,357,205
Interest rate swap agreements	—		10,223		—		10,223
Total assets	$	—	$	1,443,657	$	12,499	$	1,456,156
Liabilities:
Interest rate swap agreements	$	—	$	(10,223)	$	—	$	(10,223)
Total liabilities	$	—	$	(10,223)	$	—	$	(10,223)

 (1) The outstanding principal balance for residential loans held for sale as of September 30, 2020 was $85.8 million.

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	December 31, 2019
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(In thousands)	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Residential mortgage loans held for sale	$	—	$	53,701	$	—	$	53,701
Investments available-for-sale:
U.S. treasuries and government agencies	—		258,495		—		258,495
State and municipal	—		233,649		—		233,649
Mortgage-backed and asset-backed	—		570,759		—		570,759
Corporate debt	—		—		9,552		9,552
Trust preferred	—		—		310		310
Total debt securities	—		1,062,903		9,862		1,072,765
Marketable equity securities	—		568		—		568
Total investments available-for-sale	—		1,063,471		9,862		1,073,333
Interest rate swap agreements	—		2,507		—		2,507
Total assets	$	—	$	1,119,679	$	9,862	$	1,129,541
Liabilities:
Interest rate swap agreements	$	—	$	(2,507)	$	—	$	(2,507)
Total liabilities	$	—	$	(2,507)	$	—	$	(2,507)

 (1) The outstanding principal balance for residential loans held for sale as of December 31, 2019 was $52.6 million.

The following table provides a change in the fair value of assets measured in the Condensed Consolidated Statements of Condition at fair value with significant unobservable inputs (Level 3) on a recurring basis for the period indicated:

	Significant Unobservable Inputs
(In thousands)	(Level 3)
Investments available-for-sale:
Balance at January 1, 2020	$	9,862
Additions of Level 3 assets	3,050
Sales of Level 3 assets	(349)
Total unrealized loss included in other comprehensive income/ (loss)	(64)
Balance at September 30, 2020	$	12,499

Assets Measured at Fair Value on a Nonrecurring Basis

The following tables set forth the Company’s financial assets subject to fair value adjustments on a nonrecurring basis at the date indicated that are valued at the lower of cost or market. Assets are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	September 30, 2020
(In thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Total Losses
Loans	$	—	$	—	$	14,325	$	14,325	$	(11,326)
Other real estate owned	—		—		1,671		1,671		(282)
Total	$	—	$	—	$	15,996	$	15,996	$	(11,608)

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	December 31, 2019
(In thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Total Losses
Loans	$	—	$	—	$	6,886	$	6,886	$	(6,299)
Other real estate owned	—		—		1,482		1,482		(281)
Total	$	—	$	—	$	8,368	$	8,368	$	(6,580)

At September 30, 2020, loans totaling $56.1 million were written down to fair value of $47.8 million as a result of individual credit loss allowances of $8.3 million associated with the collateral dependent loans. Loans totaling $24.8 million were written down to fair value of $19.3 million at December 31, 2019 as a result of individual credit loss allowances of $5.5 million associated with the collateral dependent loans.

Fair value of the collateral dependent loans is measured based on the loan’s observable market price or the fair value of the collateral (less estimated selling costs). Collateral may be real estate and/or business assets such as equipment, inventory and/or accounts receivable. The value of business equipment, inventory and accounts receivable collateral is based on net book value on the business’ financial statements and, if necessary, discounted based on management’s review and analysis. Appraised and reported values may be discounted based on management’s historical experience, changes in market conditions from the time of valuation, and/or management’s expertise and knowledge of the client and client’s business. Collateral dependent loans are reviewed and evaluated on at least a quarterly basis for additional individual reserve and adjusted accordingly, based on the factors identified above.

OREO is adjusted to fair value upon acquisition of the real estate collateral. Subsequently, OREO is carried at the lower of carrying value or fair value. The estimated fair value for OREO included in Level 3 is determined by independent market based appraisals and other available market information, less costs to sell, that may be reduced further based on market expectations or an executed sales agreement. If the fair value of the collateral deteriorates subsequent to initial recognition, the Company records the OREO as a nonrecurring Level 3 adjustment. Valuation techniques are consistent with those techniques applied in prior periods.

Fair Value of Financial Instruments

The Company discloses fair value information, based on the exit price notion, of financial instruments that are not measured at fair value in the financial statements. Fair value is the amount at which a financial instrument could be exchanged in a current transaction between willing parties, other than in a forced sale or liquidation, and is best evidenced by a quoted market price, if one exists.

Quoted market prices, where available, are shown as estimates of fair market values. Because no quoted market prices are available for a significant portion of the Company's financial instruments, the fair value of such instruments has been derived based on the amount and timing of future cash flows and estimated discount rates based on observable inputs (“Level 2”) or unobservable inputs (“Level 3”).

Present value techniques used in estimating the fair value of many of the Company's financial instruments are significantly affected by the assumptions used. In that regard, the derived fair value estimates cannot be substantiated by comparison to independent markets and, in many cases, could not be realized in immediate cash settlement of the instrument. Additionally, the accompanying estimates of fair values are only representative of the fair values of the individual financial assets and liabilities, and should not be considered an indication of the fair value of the Company. Management utilizes internal models used in asset liability management to determine the fair values disclosed below.

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The carrying amounts and fair values of the Company’s financial instruments at the dates indicated are presented in the following tables:

					Fair Value Measurements
	September 30, 2020				Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(In thousands)	Carrying Amount		Estimated Fair Value
Financial assets:
Cash and cash equivalents	$	224,883	$	224,883	$	224,883	$	—	$	—
Residential mortgage loans held for sale	88,728		88,728		—		88,728		—
Investments available-for-sale	1,357,205		1,357,205		—		1,344,706		12,499
Equity securities	68,528		68,528		68,528		—		—
Loans, net of allowance	10,163,621		10,332,039		—		—		10,332,039
Interest rate swap agreements	10,223		10,223		—		10,223		—
Accrued interest receivable	48,176		48,176		48,176		—		—
Bank owned life insurance	126,182		126,182		—		126,182		—
Financial liabilities:
Time deposits	$	1,868,285	$	1,889,807	$	—	$	1,889,807	$	—
Other deposits	8,096,684		8,096,684		8,096,684		—		—
Securities sold under retail repurchase agreements and
federal funds purchased	462,706		462,889		—		462,889		—
Advances from FHLB	444,210		457,875		—		457,875		—
Subordinated debt	230,300		234,808		—		—		234,808
Interest rate swap agreements	10,223		10,223		—		10,223		—
Accrued interest payable	6,822		6,822		6,822		—		—

					Fair Value Measurements
	December 31, 2019				Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(In thousands)	Carrying Amount		Estimated Fair Value
Financial assets:
Cash and cash equivalents	$	146,103	$	146,103	$	146,103	$	—	$	—
Residential mortgage loans held for sale	53,701		53,701		—		53,701		—
Investments available-for-sale	1,073,333		1,073,333		—		1,063,471		9,862
Equity securities	51,803		51,803		51,803		—		—
Loans, net of allowance	6,649,100		6,628,054		—		—		6,628,054
Interest rate swap agreements	2,507		2,507		—		2,507		—
Accrued interest receivable	23,282		23,282		23,282		—		—
Bank owned life insurance	113,171		113,171		—		113,171		—
Financial liabilities:
Time deposits	$	1,542,322	$	1,547,116	$	—	$	1,547,116	$	—
Other deposits	4,897,997		4,897,997		4,897,997		—		—
Securities sold under retail repurchase agreements and
federal funds purchased	213,605		213,605		—		213,605		—
Advances from FHLB	513,777		520,729		—		520,729		—
Subordinated debt	209,406		200,864		—		—		200,864
Interest rate swap agreements	2,507		2,507		—		2,507		—
Accrued interest payable	4,194		4,194		4,194		—		—

NOTE 18 - SEGMENT REPORTING

Currently, the Company conducts business in three operating segments - Community Banking, Insurance and Investment Management. Each of the operating segments is a strategic business unit that offers different products and services. The Insurance and Investment Management segments were businesses that were acquired in separate transactions where management of the acquired business was retained. The accounting policies of the segments are the same as those of the Company. However, the segment data reflects inter-segment transactions and balances.

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The Community Banking segment is conducted through Sandy Spring Bank and involves delivering a broad range of financial products and services, including various loan and deposit products, to both individuals and businesses. Parent company income and assets are included in the Community Banking segment, as the majority of parent company functions is related to this segment. Beginning on April 1, 2020, the Community Banking segment includes the impact from the Revere acquisition. Major revenue sources include net interest income, gains on sales of mortgage loans, trust income fees and service charges on deposit accounts. Expenses include personnel, occupancy, marketing, equipment and other expenses. Non-cash charges associated with amortization of intangibles were $1.4 million and $0.4 million for the three months ended September 30, 2020 and 2019, respectively, and were $3.2 million and $1.3 million for the nine months ended September 30, 2020 and 2019, respectively.

The Insurance segment is conducted through Sandy Spring Insurance, a subsidiary of the Bank. Sandy Spring Insurance operates Sandy Spring Insurance, a general insurance agency located in Annapolis, Maryland, and Neff and Associates, located in Ocean City, Maryland. Major sources of revenue are insurance commissions from commercial lines, personal lines, and medical liability lines. Expenses include personnel, occupancy, support charges and other expenses. Non-cash charges associated with amortization of intangibles were not significant for the three and nine months ended September 30, 2020 and 2019.

The Investment Management segment is conducted through West Financial and RPJ, subsidiaries of the Bank. These asset management and financial planning firms, located in McLean, Virginia and Falls Church, Virginia, respectively, provide comprehensive investment management and financial planning to individuals, families, small businesses and associations, including cash flow analysis, investment review, tax planning, retirement planning, insurance analysis and estate planning. West Financial and RPJ had approximately $3.1 billion in combined assets under management as of September 30, 2020. Major revenue sources include non-interest income earned on the above services. Expenses include personnel, occupancy, support charges and other expenses. Non-cash charges associated with amortization of intangibles were $0.5 million and $1.4 million for the three and nine months ended September 30, 2020, and were not significant for the same periods in the prior year.

Information for the operating segments and reconciliation of the information to the Condensed Consolidated Financial Statements for the periods indicated are presented in the following tables:

	Three Months Ended September 30, 2020
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	112,985	$	1	$	1	$	(3)	$	112,984
Interest expense	15,503		—		—		(3)		15,500
Provision for credit losses	7,003		—		—		—		7,003
Non-interest income	24,746		2,119		2,746		(221)		29,390
Non-interest expense	57,856		1,580		1,722		(221)		60,937
Income before income taxes	57,369		540		1,025		—		58,934
Income tax expense	13,912		149		231		—		14,292
Net income	$	43,457	$	391	$	794	$	—	$	44,642
Assets	$	12,678,396	$	11,289	$	57,088	$	(68,642)	$	12,678,131

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	Three Months Ended September 30, 2019
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	87,068	$	13	$	4	$	(3)	$	87,082
Interest expense	20,295		—		—		(3)		20,292
Provision for credit losses	1,524		—		—		—		1,524
Non-interest income	14,080		2,123		2,538		(168)		18,573
Non-interest expense	41,806		1,635		1,652		(168)		44,925
Income before income taxes	37,523		501		890		—		38,914
Income tax expense	9,162		138		231		—		9,531
Net income	$	28,361	$	363	$	659	$	—	$	29,383
Assets	$	8,437,588	$	11,615	$	22,033	$	(33,698)	$	8,437,538

	Nine Months Ended September 30, 2020
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	311,771	$	5	$	3	$	(10)	$	311,769
Interest expense	48,447		—		—		(10)		48,437
Provision for credit losses	90,158		—		—		—		90,158
Non-interest income	57,976		5,446		7,705		(645)		70,482
Non-interest expense	184,921		4,319		5,526		(645)		194,121
Income before income taxes	46,221		1,132		2,182		—		49,535
Income tax expense	8,396		313		535		—		9,244
Net income	$	37,825	$	819	$	1,647	$	—	$	40,291
Assets	$	12,678,396	$	11,289	$	57,088	$	(68,642)	$	12,678,131

	Nine Months Ended September 30, 2019
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	262,465	$	15	$	9	$	(10)	$	262,479
Interest expense	62,764		—		—		(10)		62,754
Provision for credit losses	3,029		—		—		—		3,029
Non-interest income	39,643		5,296		7,660		(501)		52,098
Non-interest expense	123,876		4,359		5,270		(501)		133,004
Income before income taxes	112,439		952		2,399		—		115,790
Income tax expense	26,924		265		625		—		27,814
Net income	$	85,515	$	687	$	1,774	$	—	$	87,976
Assets	$	8,437,588	$	11,615	$	22,033	$	(33,698)	$	8,437,538

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

Forward-Looking Statements

This report, as well as other periodic reports filed with the Securities and Exchange Commission, and written or oral communications made from time to time by or on behalf of Sandy Spring Bancorp, Inc. and its subsidiaries (the “Company”), may contain statements relating to future events or future results of the Company that are considered “forward-looking statements” under the Private Securities Litigation Reform Act of 1995. These forward-looking statements may be identified by the use of words such as “believe,” “expect,” “anticipate,” “plan,” “estimate,” “intend” and “potential,” or words of similar meaning, or future or conditional verbs such as “should,” “could,” or “may.” Forward-looking statements include statements of our goals, intentions and expectations; statements regarding our business plans, prospects, growth and operating strategies; statements regarding the quality of our loan and investment portfolios; and estimates of our risks and future costs and benefits.

Forward-looking statements reflect our expectation or prediction of future conditions, events or results based on information currently available. These forward-looking statements are subject to significant risks and uncertainties that may cause actual results to differ materially from those in such statements. These principal risks and uncertainties include, but are not limited to, the risks identified in Item 1A of the Company’s 2019 Annual Report on Form 10-K, Item 1A of Part II of the Company's Quarterly Reports on Form 10-Q for the quarters ended March 31, 2020 and June 30, 2020 report and the following:

•risks, uncertainties and other factors relating to the COVID-19 pandemic, including the length of time that the pandemic continues, the imposition of any shelter in place orders and restrictions on travel; the effect of the pandemic on the general economy and on the businesses of our borrowers and their ability to make payments on their obligations; the remedial actions and stimulus measures adopted by federal, state and local governments, and the inability of employees to work due to illness, quarantine, or government mandates;

•general business and economic conditions nationally or in the markets that the Company serves could adversely affect, among other things, real estate prices, unemployment levels, the ability of businesses to remain viable and consumer and business confidence, which could lead to decreases in the demand for loans, deposits and other financial services that we provide and increases in loan delinquencies and defaults;

•changes or volatility in the capital markets and interest rates may adversely impact the value of securities, loans, deposits and other financial instruments and the interest rate sensitivity of our balance sheet as well as our liquidity;

•our liquidity requirements could be adversely affected by changes in our assets and liabilities;

•our investment securities portfolio is subject to credit risk, market risk, and liquidity risk as well as changes in the estimates we use to value certain of the securities in our portfolio;

•the effect of the recent presidential election and of legislative or regulatory developments including changes in laws concerning taxes, banking, securities, insurance and other aspects of the financial services industry;

•acquisition integration risks, including potential deposit attrition, higher than expected costs, customer loss, business disruption and the inability to realize benefits and costs savings from, and limit any unexpected liabilities associated with, any business combinations;

•competitive factors among financial services companies, including product and pricing pressures and our ability to attract, develop and retain qualified banking professionals;

•the effect of changes in accounting policies and practices, as may be adopted by the Financial Accounting Standards Board, the Securities and Exchange Commission, the Public Company Accounting Oversight Board and other regulatory agencies; and

•the effect of fiscal and governmental policies of the United States federal government.

Forward-looking statements speak only as of the date of this report. The Company does not undertake to update forward-looking statements to reflect circumstances or events that occur after the date of this report or to reflect the occurrence of unanticipated events except as required by federal securities laws.

The Company

Sandy Spring Bancorp, Inc. is the bank holding company for Sandy Spring Bank (the “Bank”). The Company is a community banking organization that focuses its lending and other services on businesses and consumers in the local market area. At September 30, 2020, the Company had $12.7 billion in assets, a $4.0 billion increase from total assets at December 31, 2019. The April 1, 2020 acquisition of Revere Bank (“Revere”) was responsible for $2.8 billion of this growth. In addition, the Paycheck Protection Program (“PPP” or “PPP program”) was responsible for $1.1 billion in asset growth. The Company is registered as a bank holding company pursuant to the Bank Holding Company Act of 1956, as amended and is subject to supervision and regulation by the Board of Governors of the Federal Reserve System (the “Federal Reserve”).

Sandy Spring Bank is an independent and community-oriented bank that offers a broad range of commercial banking, retail banking, mortgage and trust services throughout central Maryland, Northern Virginia, and the greater Washington, D.C. market.

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Through its subsidiaries, Sandy Spring Insurance Corporation, West Financial Services, Inc. and Rembert Pendleton and Jackson ("RPJ”), the Bank also offers a variety of comprehensive insurance and wealth management services. The Bank is a state chartered bank subject to supervision and regulation by the Federal Reserve and the State of Maryland. Deposit accounts of the Bank are insured by the Deposit Insurance Fund administered by the Federal Deposit Insurance Corporation (the “FDIC”) to the maximum amount permitted by law. The Bank is a member of the Federal Reserve System and is an Equal Housing Lender. The Company, the Bank, and its other subsidiaries are Affirmative Action/Equal Opportunity Employers.  Beginning in 2018, the Company has completed a series of strategic acquisitions in its market area. On April 1, 2020 (“Acquisition Date”), the Company completed the acquisition of Revere, headquartered in Rockville, Maryland. The acquisition resulted in the addition of 11 banking offices and more than $2.8 billion in assets as of the Acquisition Date. At the Acquisition Date, Revere had loans of $2.5 billion and deposits of $2.3 billion. The all-stock transaction resulted in the issuance of 12.8 million common shares and with total consideration valued at approximately $293 million. In addition, on February 1, 2020 the Company acquired RPJ, a wealth advisory firm located in Falls Church, Virginia with approximately $1.5 billion in assets under management on the date the acquisition closed. During 2018, the Company completed the acquisition of WashingtonFirst Bankshares, Inc., the parent company for WashingtonFirst Bank (collectively referred to as “WashingtonFirst”). At the date of acquisition, WashingtonFirst had more than $2.1 billion in assets, loans of $1.7 billion and deposits of $1.6 billion. The all-stock transaction resulted in the issuance of 11.4 million common shares valued at approximately $447 million.

The results of operations from the Revere and RPJ acquisitions have been included in the consolidated results of operations from the date of the acquisitions. As a result of the growth, the statement of condition, interest and non-interest income and expense increased from the prior year’s quarter. Cost savings from the synergies resulting from the combination of the institutions are expected to be realized throughout 2020 and into 2021.

Current State and Response

The Company's business, financial condition, and results of operations have been profoundly affected by the outbreak of the novel coronavirus ("COVID-19" or “pandemic”), which will likely continue to have adverse effects on its future performance. Both globally and within the United States, the pandemic has resulted in negative impacts and a significant disruption to economic and commercial activity and financial markets. Area jurisdictions continue to monitor and modify their respective pandemic guidelines on a periodic basis. Businesses continue to observe and modify their activities and behaviors to remain in compliance with the jurisdictional directives while concurrently providing consumers with goods and services. These directives have resulted in significant business and operational disruptions, including business closures, operational reorganizations, supply chain disruptions, and layoffs and furloughs. Certain actions taken by U.S. or other governmental authorities, including the Federal Reserve, that are intended to ameliorate the macroeconomic effects of COVID-19 may cause additional harm to our business. Decreases in short-term interest rates, such as those announced by the Federal Reserve during the first fiscal quarter of 2020, resulted in a negative impact on our results, as we have certain assets and liabilities that are sensitive to changes in interest rates. Management continually monitors developments, evaluates strategic and tactical initiatives and solutions and allocates the necessary resources to mitigate the negative impact of this significant market disruption caused by the pandemic. For a description of the potential impacts of COVID-19 on the Company, see “Item 1A-Risk Factors.”

As an essential business, the Company has implemented business continuity plans and continues to provide financial services to clients. In response to COVID-19, the Company began implementing its business continuity plan in early March, which led to the implementation of numerous actions to address the health and safety of employees and clients and to assist clients that have been impacted by the pandemic. A substantial majority of non-branch employees continue to work remotely and clients are served at branches primarily through drive-thru facilities and limited lobby access. As area jurisdictions begin to relax their restrictions, the Company is cautiously executing the first phase of its return to work plan.

The Company processed and approved over 5,400 PPP loans for a total of $1.1 billion at September 30, 2020 to assist borrowers in maintaining their payroll of an estimated 112,000 employees and cover applicable overhead. The Company funded the PPP loans with borrowings through the Federal Reserve’s Paycheck Protection Program Liquidity Facility (“PPPLF”). Loans under the PPP have an interest rate of 1.00% while the borrowings under the PPPLF bear interest at a rate of 0.35%. The Company received loan processing fees of approximately $36 million from the SBA that were deferred for recognition over the life of the PPP loans. At September 30, 2020, the remaining balance of these deferred fees was $25.5 million.

As a further relief to qualified commercial, mortgage and consumer loan customers, the Company developed guidelines to provide for deferment of certain loan payments. From March through September 30, 2020, the Company granted approvals for payment modifications/deferrals on over 2,500 loans with an aggregate balance of $2.0 billion of which more than 502 loans with an aggregate balance of $562 million remain in deferral status as of September 30, 2020.

The Company temporarily waived certain transaction fees and penalties on early certificate of deposit withdrawals and eliminated specific processing fees for business clients to ease their financial burden during the COVID-19 pandemic.

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Current Quarter Financial Overview

The Company recorded net income of $44.6 million ($0.94 per diluted common share) in the current quarter compared to net income of $29.4 million ($0.82 per diluted common share) for the third quarter of 2019 and a net loss of $14.3 million ($0.31 per diluted common share) for the second quarter of 2020.

Operating earnings, on an after-tax basis, which exclude the impact of merger and acquisition expense, the provision for credit losses and the effects from the PPP program, were $45.9 million ($0.97 per diluted common share) for the current quarter, compared to $30.8 million ($0.86 per diluted common share) for the quarter ended September 30, 2019 and $42.0 million ($0.88 per diluted common share) for the quarter ended June 30, 2020.

The current quarter’s results included $1.3 million for merger and acquisition expense related to the second quarter acquisition of Revere as compared to $22.5 million for the linked quarter. The provision for credit losses for the current quarter was $7.0 million as compared to $58.7 million for the second quarter of 2020. The decrease in the provision for credit losses, compared to the prior quarter is a result of the stability of the economic forecast compared to the prior quarter and the performance of the loan portfolio.

The third quarter’s results reflect the following events:

•Total assets at September 30, 2020, grew 50% to $12.7 billion compared to September 30, 2019, as a result of the Revere acquisition and participation in the PPP. Loans and deposits grew by 57% and 53%, respectively. Revere’s loans and deposits on the Acquisition Date were $2.5 billion and $2.3 billion, respectively. Additionally, the Company originated $1.1 billion in commercial business loans through the PPP.

•The net interest margin for the third quarter of 2020 was 3.24%, compared to 3.51% for the third quarter of 2019 and 3.47% for the second quarter of 2020. Excluding the impact of the amortization of the fair value marks derived from acquisitions, the current quarter’s net interest margin would have been 3.18%, compared to 3.47% for the third quarter of 2019 and 3.19% for the second quarter of 2020.

•The provision for credit losses was $7.0 million for the current quarter. The lower provision for the current quarter, as compared to the prior quarter's provision of $58.7 million, was the result of the stabilization in economic projections compared to the prior quarter and the performance of the loan portfolio.

•Non-interest income increased from the prior year quarter by 58% to $29.4 million. This increase was driven by a 220% increase in income from mortgage banking activities and growth of 42% in wealth management income, which benefited from the acquisition of RPJ in the first quarter of the year.

•Non-interest expense for the third quarter of 2020 increased $16.0 million or 36% compared to the prior year quarter. This increase was driven by the impact of the acquisitions of Revere and RPJ, which increased compensation costs, facilities and operational costs and merger and acquisition expense.

•Return on average assets (“ROA”) for the quarter ended September 30, 2020 was 1.38% and return on average on tangible common equity (“ROTCE”) was 18.16%. This compares to 1.39% and 15.13% for ROA and ROTCE, respectively, for the prior year. The non-GAAP efficiency ratio for the third quarter of 2020 was 45.27% compared to 50.95% for the third quarter of 2019.

Summary of Third Quarter Results

Balance Sheet and Credit Quality

Total assets grew 50% to $12.7 billion at September 30, 2020, as compared to $8.4 billion at September 30, 2019, primarily as a result of the acquisition of Revere during the second quarter of 2020, and to a lesser degree, participation in the PPP. During this period, total loans grew by 57% to $10.3 billion at September 30, 2020, compared to $6.6 billion at September 30, 2019. Excluding PPP loans, total loans grew 41% to $9.3 billion at September 30, 2020, driven primarily by the Revere acquisition. Commercial loans, excluding PPP loans, grew 55% or $2.6 billion while the remainder of the total loan portfolio grew 2%. The investment portfolio grew to $1.4 billion at September 30, 2020 from $946.2 million at September 30, 2019 and remained level at 11% of total assets. The Company’s liquidity position continued to remain strong as a result of its operational cash flows, in addition to the available borrowing lines with the Federal Home Loan Bank of Atlanta (“FHLB”), the Federal Reserve Bank and other sources, and the size and composition of the available-for-sale investment portfolio. Deposit growth was 53% from September 30, 2019 to September 30, 2020, as noninterest-bearing deposits experienced growth of 66% and interest-bearing

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deposits grew 47%. This growth was driven by the combination of the Revere acquisition and the PPP program, as loan funds were placed into customer deposit accounts at the Bank. During the current quarter, excess liquidity was used to reduce borrowings under the PPPLF program by approximately $595 million.

Stockholders’ equity grew 25% to $1.4 billion compared to September 30, 2019 as a result of the equity issuance associated with the Revere acquisition in addition to net earnings over the preceding twelve months. Tangible common equity increased to $1.0 billion or 8.17% of tangible assets at September 30, 2020, compared to $787.3 million or 9.74% at September 30, 2019, as a result of the equity issuance associated with the Revere acquisition. The year-over-year change in tangible common equity also reflects the effects of the repurchase of $50 million of common stock and the increase in intangible assets and goodwill associated with the two acquisitions during the past twelve months. At September 30, 2020, the Company had a total risk-based capital ratio of 14.02%, a common equity tier 1 risk-based capital ratio of 10.45%, a tier 1 risk-based capital ratio of 10.45% and a tier 1 leverage ratio of 8.65%.

The level of non-performing loans to total loans increased to 0.72% at September 30, 2020, compared to 0.61% at September 30, 2019, and decreased from 0.77% at June 30, 2020. At September 30, 2020, non-performing loans totaled $74.7 million, compared to $40.1 million at September 30, 2019, and $79.9 million at June 30, 2020. Non-performing loans include accruing loans 90 days or more past due and restructured loans. The year-over-year growth in non-performing loans was driven by three major components: loans placed in non-accrual status, acquired Revere non-accrual loans, and loans previously accounted for as purchased credit impaired loans that have been designated as non-accrual loans as a result of the Company’s adoption of the accounting standard for expected credit losses at the beginning of the year. Loans placed on non-accrual during the current quarter amounted to $0.9 million compared to $6.0 million for the prior year quarter and $27.3 million for the second quarter of 2020 which included $11.3 million in Revere non-accrual loans as of the Acquisition Date.

The Company recorded net charge-offs of $0.2 million for the third quarter of 2020 as compared to net charge-offs of $0.6 million for the third quarter of 2019. The second quarter of 2020 had net recoveries of $0.4 million.

The allowance for credit losses was $170.3 million or 1.65% of outstanding loans and 228% of non-performing loans at September 30, 2020, compared to $163.5 million or 1.58% of outstanding loans and 205% of non-performing loans at June 30, 2020. The combination of the impact of the updated projected future economic metrics and qualitative assessment of the loan portfolio resulted in the modest increase in the allowance from the previous quarter.

Quarterly Results of Operations

Net interest income for the third quarter of 2020 increased 46% compared to the third quarter of 2019, driven primarily by the Revere acquisition. The PPP program and its associated funding contributed a net of $6.6 million to net interest income for the quarter. The net interest margin declined to 3.24% for the third quarter of 2020 compared to 3.51% for the third quarter of 2019. Excluding the net $1.9 million impact of the amortization of the fair value marks derived from acquisitions, the net interest margin would have been 3.18%.

The provision for credit losses was $7.0 million for the third quarter of 2020, compared to $1.5 million for the third quarter of 2019 and $58.7 million for the second quarter of 2020. The decrease in the current quarter's provision for credit losses, compared to the prior quarter, is a result of the stability of the economic forecast compared to the prior quarter and resiliency of the loan portfolio's credit quality. The provision for credit losses during the second quarter was primarily the result of deterioration in forecasted economic conditions ($33.8 million) and the initial allowance required on Revere non-purchased credit deteriorated loans ($17.5 million).

Non-interest income increased $10.8 million or 58% from the prior year quarter. Income from mortgage banking activities during this period increased $9.7 million as a result of refinancing activity, and wealth management income increased $2.3 million as a result of the first quarter 2020 acquisition of RPJ. This growth more than compensated for the combined $1.4 million declines in service fee income and other non-interest income as compared to the prior year quarter.

Non-interest expense grew 36% or $16.0 million from the prior year quarter. Excluding the impact of merger and acquisition expense, non-interest expense grew 34% year-over-year, primarily as a result of the operational cost of the Revere and RPJ acquisitions, increased compensation expense related to staff increases, incentive compensation and annual merit increases, in addition to an increase in FDIC insurance and the amortization of intangible assets.

The GAAP efficiency ratio for the third quarter of 2020 decreased to 48.03% compared to 52.63% for the third quarter of 2019 as revenue increased at a faster rate than non-interest expense. This ratio was 68.66% in the second quarter of 2020 as a result of the $22.5 million in merger and acquisition expense recognized in that quarter. The non-GAAP efficiency ratio was 45.27% for the current quarter as compared to 50.95% for the third quarter of 2019 and 54.76% for the second quarter of 2020. The

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decrease in the efficiency ratio (reflecting greater efficiency) from the third quarter of last year to the current year was the result of the 47% rate of growth in non-GAAP revenue outpacing the non-GAAP non-interest expense growth rate of 31%.

Acquisition of Revere Bank

Revere was acquired on April 1, 2020 and had assets of $2.8 billion, loans of $2.5 billion and deposits of $2.3 billion. This acquisition resulted in the growth of the balance sheet, interest and non-interest income and expense from the prior year’s quarter. The Company identified $974.8 million of acquired loans that were classified as purchased credit deteriorated loans (“PCD” or “PCD loans”). An initial allowance for credit losses of $18.6 million was recorded through a gross up adjustment to fair values of PCD loans. A fair value premium related to other factors totaled $4.5 million and will amortize to interest income over the remaining life of each loan. As a result of these fair value marks, total fair value of PCD loans as of the Acquisition Date was $960.7 million. Of the PCD loans, $11.3 million were non-accruing at the time of acquisition. The amount of PCD loans was directly attributable to the current market conditions in the economy. Refer to Note 1 - Significant Accounting Policies in the Notes to the Condensed Consolidated Financial Statements for more details on factors considered in the PCD assessment. Acquired loans that had not experienced a more-than-insignificant credit deterioration since origination totaled $1.5 billion. The Company recorded a net fair value premium of $2.1 million on non-PCD loans, which will amortize to interest income over the remaining life of each loan. In addition, the acquired assets included a core deposit intangible asset valued at approximately $18.4 million. The determination of the fair value of interest-bearing liabilities resulted in a $20.8 million premium. The provisional amount of goodwill recognized as of the Acquisition Date was approximately $0.8 million. See Note 2 - Acquisition of Revere Bank in the Notes to the Condensed Consolidated Financial Statements for further details.

The change in estimated goodwill from the time of announcement to the Acquisition Date is presented in the following table:

(In thousands)	Amount
Preliminary goodwill at transaction announcement	$	157,344
Changes in consideration paid due to:
Change in Sandy Spring share price	(151,614)
Change in Revere shares	1,123
Change in fair value of Revere options	(7,863)
Cash paid for fractional shares	11
Net change in consideration paid	(158,343)
Changes in fair value of assets acquired due to:
Cash and cash equivalents	(140,126)
Investments available-for-sale	(1,944)
Loans	139,873
Fair value of loans	2,656
Net change in loans	142,529
Core deposit intangible asset	(4,370)
Other assets	11,951
Net change in assets	8,040
Changes in fair value of liabilities assumed due to:
Deposits	(29,739)
Fair value of deposits	13,742
Net change in deposits	(15,997)
Advances from FHLB	19,973
Fair value of advances from FHLB	2,820
Net change in advances from FHLB	22,793
Fair value of subordinated debt	449
Other liabilities	2,635
Net change in liabilities	9,880
Net change in fair value of assets acquired and liabilities assumed	(1,840)
Net change in preliminary goodwill	(156,503)
Provisional goodwill at transaction closing	$	841

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Results of Operations

For the Nine Months Ended September 30, 2020 Compared to the Nine Months Ended September 30, 2019

For the nine months ended September 30, 2020, the Company recorded net income of $40.3 million ($0.93 per diluted common share). The year-to-date results were adversely affected as a result of the combination of merger and acquisition expense, the impact of the current year's economic forecast in the determination of the allowance for credit losses and the additional provision for credit losses associated with the Revere acquisition. The year-to-date 2020 result compares to net income of $88.0 million ($2.45 per diluted common share) for the nine months of ended September 30, 2019.

The year-to-date pre-tax results included $25.2 million for merger and acquisition expense related to the 2020 acquisitions. Additionally, earnings were negatively impacted by a $90.2 million provision for credit losses. Of this amount, approximately $59.3 million was related to changes in the economic forecast during the nine months ended September 30, 2020. In addition, as required by GAAP, the initial allowance for credit losses on Revere’s non-PCD loans was recognized through provision for credit losses in the amount of $17.5 million. The Company’s participation in the PPP and the associated funding program resulted in a net positive pre-tax impact of $12.1 million, year-to-date.

Operating earnings on an after-tax basis for the nine months ended September 30, 2020, which exclude the impact of merger and acquisition expense, the provision for credit losses and the effects from the PPP program, were $117.2 million ($2.72 per diluted common share), compared to $90.5 million ($2.54 per diluted common share) for the nine months ended September 30, 2019.

Net Interest Income

Net interest income for the nine months ended September 30, 2020 was $263.3 million compared to $199.7 million for the nine months ended September 30, 2019. On a tax-equivalent basis, net interest income for the nine months ended September 30, 2020 was $266.4 million compared to $203.3 million for the nine months ended September 30, 2019, a 31% increase driven primarily by the Revere acquisition. The growth in net interest income benefited from $10.5 million in net amortization of the fair value marks derived from acquisitions. The year-to-date amortization of fair value marks resulted in a reduction in interest income of $0.6 million and a reduction of interest expense of $11.1 million. A significant portion of the decrease in interest expense was due to the impact of the $5.8 million in the accelerated premium amortization as a result of the prepayment of the acquired FHLB advances. In addition to the impact of the amortization of the fair value marks on net interest income for the nine months ended September 30, 2020, the PPP program generated interest income, net of its associated funding cost, of $12.1 million. Year-to-date, interest income increased 19% while interest expense decreased 23% as compared to the same period in the prior year.

The following tables provide an analysis of net interest income performance that reflects a net interest margin that has declined to 3.33% for the nine months ended September 30, 2020 compared to 3.55% for the nine months ended September 30, 2019. The positive effect of the accelerated amortization of the purchase premium on acquired FHLB advances accounts for a seven basis point benefit in the net interest margin for the nine months ended September 30, 2020. Additionally, year-over-year, the average yield on earning assets declined 71 basis points while the average rate paid on interest-bearing liabilities declined 70 basis points resulting in margin compression. The current margin reflects the positive impact from the inclusion of the net $10.5 million amortization of the fair value marks derived from acquisitions. Excluding the impact of the amortization of fair value marks and the net impact of the PPP program would have resulted in a net interest margin of 3.23%.

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Consolidated Average Balances, Yields and Rates

	Nine Months Ended September 30,
	2020						2019
(Dollars in thousands and tax-equivalent)	Average Balances		(1) Interest		Annualized Average Yield/Rate		Average Balances		(1) Interest		Annualized Average Yield/Rate
Assets:
Commercial investor real estate loans	$	3,079,873	$	103,238	4.48	%	$	1,969,599	$	74,428	5.05	%
Commercial owner-occupied real estate loans	1,532,154		54,215		4.73		1,227,327		44,975		4.90
Commercial AD&C loans	869,181		29,862		4.59		671,375		29,853		5.95
Commercial business loans	1,643,992		49,618		4.03		774,375		31,479		5.43
Total commercial loans	7,125,200		236,933		4.44		4,642,676		180,735		5.20
Residential mortgage loans	1,179,305		32,899		3.72		1,229,790		35,408		3.84
Residential construction loans	160,555		4,985		4.15		175,236		5,582		4.26
Consumer loans	528,152		15,550		3.93		502,476		18,797		5.00
Total residential and consumer loans	1,868,012		53,434		3.82		1,907,502		59,787		4.18
Total loans (2)	8,993,212		290,367		4.31		6,550,178		240,522		4.91
Loans held for sale	47,734		1,094		3.05		39,107		1,145		3.91
Taxable securities	1,095,419		17,557		2.14		752,518		17,169		3.04
Tax-exempt securities (3)	232,165		5,407		3.11		219,510		5,827		3.54
Total investment securities (4)	1,327,584		22,964		2.31		972,028		22,996		3.15
Interest-bearing deposits with banks	291,260		419		0.19		83,981		1,405		2.24
Federal funds sold	369		1		0.36		623		8		1.78
Total interest-earning assets	10,660,159		314,845		3.94		7,645,917		266,076		4.65
Less: allowance for credit losses	(114,613)						(53,440)
Cash and due from banks	126,607						64,227
Premises and equipment, net	59,357						61,039
Other assets	751,967						590,186
Total assets	$	11,483,477					$	8,307,929
Liabilities and Stockholders' Equity:
Interest-bearing demand deposits	$	1,017,873	1,519		0.20	%	$	733,872	1,305		0.24	%
Regular savings deposits	363,303		212		0.08		330,377		321		0.13
Money market savings deposits	2,588,870		10,554		0.54		1,710,520		19,617		1.53
Time deposits	1,973,773		22,956		1.55		1,629,716		25,715		2.11
Total interest-bearing deposits	5,943,819		35,241		0.79		4,404,485		46,958		1.43
Other borrowings	553,898		1,731		0.42		158,279		945		0.80
Advances from FHLB	585,063		3,863		0.88		689,224		13,389		2.60
Subordinated debentures	222,470		7,602		4.56		37,376		1,462		5.22
Total borrowings	1,361,431		13,196		1.29		884,879		15,796		2.39
Total interest-bearing liabilities	7,305,250		48,437		0.89		5,289,364		62,754		1.59
Noninterest-bearing demand deposits	2,697,492						1,797,301
Other liabilities	172,944						122,564
Stockholders' equity	1,307,791						1,098,700
Total liabilities and stockholders' equity	$	11,483,477					$	8,307,929
Net interest income and spread			266,408		3.05	%			203,322		3.06	%
Less: tax-equivalent adjustment			3,076						3,597
Net interest income			$	263,332					$	199,725
Interest income/earning assets					3.94	%					4.65	%
Interest expense/earning assets					0.61						1.10
Net interest margin					3.33	%					3.55	%

(1)Tax-equivalent income has been adjusted using the combined marginal federal and state rate of 25.54% and 26.13% for 2020 and 2019, respectively. The annualized taxable-equivalent adjustments utilized in the above table to compute yields aggregated to $3.1 million and $3.6 million in 2020 and 2019, respectively.

(2)Non-accrual loans are included in the average balances.

(3)Includes investments that are exempt from federal taxes.

(4)Investments available-for-sale are presented at amortized cost.

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Effect of Volume and Rate Changes on Net Interest Income

The following table analyzes the reasons for the changes from year-to-year in the principal elements that comprise net interest income:

	2020 vs. 2019						2019 vs. 2018
	Increase Or (Decrease)		Due to Change In Average:*				Increase Or (Decrease)		Due to Change In Average:*
(Dollars in thousands and tax equivalent)			Volume		Rate				Volume		Rate
Interest income from earning assets:
Commercial investor real estate loans	$	28,810	$	38,009	$	(9,199)	$	2,604	$	1,137	$	1,467
Commercial owner-occupied real estate loans	9,240		10,849		(1,609)		5,924		4,395		1,529
Commercial AD&C loans	9		7,704		(7,695)		4,261		3,254		1,007
Commercial business loans	18,139		27,953		(9,814)		5,427		4,004		1,423
Residential mortgage loans	(2,509)		(1,424)		(1,085)		5,128		3,949		1,179
Residential construction loans	(597)		(456)		(141)		(621)		(1,109)		488
Consumer loans	(3,247)		925		(4,172)		1,487		(987)		2,474
Loans held for sale	(51)		227		(278)		162		262		(100)
Taxable securities	388		6,382		(5,994)		1,278		(23)		1,301
Tax-exempt securities	(420)		319		(739)		(1,835)		(1,814)		(21)
Interest-bearing deposits with banks	(986)		1,153		(2,139)		323		(32)		355
Federal funds sold	(7)		(2)		(5)		(20)		(25)		5
Total interest income	48,769		91,639		(42,870)		24,118		13,011		11,107
Interest expense on funding of earning assets:
Interest-bearing demand deposits	214		457		(243)		648		3		645
Regular savings deposits	(109)		28		(137)		(167)		(66)		(101)
Money market savings deposits	(9,063)		7,214		(16,277)		6,589		1,805		4,784
Time deposits	(2,759)		4,831		(7,590)		13,305		4,586		8,719
Other borrowings	786		1,417		(631)		346		(3)		349
Advances from FHLB	(9,526)		(1,772)		(7,754)		(2,168)		(5,513)		3,345
Subordinated debentures	6,140		6,344		(204)		26		(5)		31
Total interest expense	(14,317)		18,519		(32,836)		18,579		807		17,772
Net interest income	$	63,086	$	73,120	$	(10,034)	$	5,539	$	12,204	$	(6,665)

*Variances that are the combined effect of volume and rate, but cannot be separately identified, are allocated to the volume and rate variances based on their respective relative amounts.

Interest Income

The Company's total tax-equivalent interest income increased 18% for the first nine months of 2020 compared to the prior year period. The previous table reflects that the increase in interest income has been driven predominantly by the 39% growth in average interest-earning assets as a result of the Revere acquisition and, to a lesser extent, the loans associated with the PPP program. The income growth has occurred despite the overall decline in the associated interest rates over the previous twelve months driven by concerns over slowing growth and the impact of the pandemic. During this period, the yield on interest-earning assets decreased 71 basis points to 3.94%.

During the first nine months of 2020 average loans outstanding increased 37% compared to the first nine months of 2019. Essentially all the growth in the loan portfolio occurred due to the 53% increase in the commercial loan portfolio, with notable increases in investor real estate loans (56%) and commercial business loans (112%). Consumer loans increased 5% and the residential mortgage portfolio declined 5% during the same time period. The decrease in average residential mortgages was the direct result of the increased refinancing activity due to the decline in interest rates coupled with the sale of the majority of new originations. The PPP program had a six basis point negative impact on the yield on interest-earning assets. Compared to the prior year, the yield on average loans decreased 60 basis points. The average yield on total investment securities decreased 84 basis points as the average balance of the portfolio increased 37% for the first nine months of 2020 compared to the first nine months of 2019. The offsetting effects of a larger average balance and lower yields resulted in interest income from investment securities remaining level during the period. Composition of the average investment portfolio shifted to 83% in federally taxable securities in the current period, as compared to 77% for the prior year period. During the same period, the average yield for taxable securities decreased 90 basis points and the average yield on tax-exempt securities decreased 43 basis points as cash flows and maturities in the portfolio were reinvested at lower rates in the current interest rate environment.

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Interest Expense

For the first nine months of 2020 interest expense decreased $14.3 million or 23% compared to the first nine months of 2019. A portion of the decrease in interest expense was due to the impact of the $5.8 million in accelerated amortization of the fair value premium from the prepayment of acquired FHLB advances. The fair value premium amortization on time deposits was responsible for an additional $5.2 million reduction in interest expense for the first nine months of 2020. Excluding these items, interest expense decreased 5% compared to the prior year period, driven by the decrease in interest expense on money market accounts and time deposits as market rates have experienced a decline from the prior year. The 99 basis point decline in money market rates during this time period, in addition to the fair value amortization on time deposits, were the drivers in the decline in the total average rate paid on interest-bearing deposits. The cost of interest-bearing deposits, including the fair value amortization on time deposits, declined 64 basis points for the first nine months of 2020 compared to the first nine months of 2019. The exclusion of the amortization of the time deposit premium would result in a decline of 52 basis points in the average rate paid on interest-bearing deposits compared to the prior year. The time deposit amortization adjustment benefited the net interest margin by 10 basis points for the first nine months of 2020.

The other significant portion of the decrease in interest expense, as previously discussed, was the $5.8 million in accelerated amortization from the prepayment of the acquired FHLB advances. The effect of the accelerated amortization accounts for a further seven basis point benefit to the net interest margin for the first nine months of 2020. In total, the impact of the amortization of the fair value marks was a 20 basis point reduction in the rate paid on interest-bearing liabilities.

Non-interest Income

Non-interest income amounts and trends are presented in the following table for the periods indicated:

	Nine Months Ended September 30,				2020/2019		2020/2019
(Dollars in thousands)	2020		2019		$ Change		% Change
Securities gains	$	432	$	20	$	412	n/m%
Service charges on deposit accounts	5,149		7,265		(2,116)		(29.1)
Mortgage banking activities	25,567		10,541		15,026		142.5
Wealth management income	22,355		16,268		6,087		37.4
Insurance agency commissions	5,439		5,281		158		3.0
Income from bank owned life insurance	2,162		2,505		(343)		(13.7)
Bank card fees	4,102		4,181		(79)		(1.9)
Other income	5,276		6,037		(761)		(12.6)
Total non-interest income	$	70,482	$	52,098	$	18,384	35.3

Total non-interest income increased $18.4 million or 35% for the first nine months of 2020 to $70.5 million. The current period included $0.4 million in securities gains, while the prior year period included life insurance mortality proceeds of $0.6 million. Excluding these items, non-interest income increased 36% from the prior year. This increase was driven primarily by income from mortgage banking activities, which increased $15.0 million and, to a lesser degree, wealth management income,, which increased $6.1 million as a result of the first quarter acquisition of RPJ. These increases more than offset declines in deposit service fees, the reduction in BOLI income and lower other non-interest income. Further detail by type of non-interest income follows:

•Service charges on deposit accounts decreased 29% in the nine months of 2020, compared to the nine months of 2019 due to the decline in consumer activity and the decision to temporarily waive certain transaction fees to ease the burden of the pandemic on customers.

•Income from mortgage banking activities increased 143% in the nine months of 2020, compared to the nine months of 2019. Origination volume as a result of refinancing activity was primarily responsible for the growth in mortgage banking income for 2020. Sales of originated mortgage loans rose 73% during the current period compared to the same period for 2019.

•Wealth management income, comprised of income from trust and estate services and investment management fees earned by the Company’s investment management subsidiaries, increased 37% for the first nine months of 2020 compared to the same period of the prior year. This $6.1 million growth was the direct result of the acquisition of RPJ on February 1 of the current year. Trust services fees increased 11% for the first nine months of 2020 compared to the prior year period as a result of post-mortem estate management fees earned in the first quarter of 2020. Overall total assets under management increased to $4.7 billion at September 30, 2020 compared to $3.2 billion at September 30, 2019, primarily as a result of the RPJ acquisition.

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•Insurance agency commissions increased 3% for the nine months of 2020 as compared to the nine months of 2019, driven by an increase in contingent fee income compared to the prior year.

•Bank-owned life insurance income decreased 14% for the first nine months of 2020 as compared to the first nine months of 2019, as the prior year included $0.6 million in insurance mortality proceeds compared to the current year.

•Bank card fee income declined 2% during the first nine months of 2020, compared to the first nine months of 2019, as a result of diminished consumer transaction volume.

•Other non-interest income decreased by 13% or $0.8 million during the first nine months of 2020, compared to the nine months of 2019 due primarily to a decline in miscellaneous income.

Non-interest Expense

Non-interest expense amounts and trends are presented in the following table for the periods indicated:

	Nine Months Ended September 30,				2020/2019		2020/2019
(Dollars in thousands)	2020		2019		$ Change		% Change
Salaries and employee benefits	$	98,391	$	77,699	$	20,692	26.6	%
Occupancy expense of premises	16,147		14,807		1,340		9.0
Equipment expense	9,103		7,929		1,174		14.8
Marketing	3,223		3,371		(148)		(4.4)
Outside data services	6,365		5,713		652		11.4
FDIC insurance	3,200		2,137		1,063		49.7
Amortization of intangible assets	4,566		1,465		3,101		211.7
Merger and acquisition expense	25,171		364		24,807		n/m
Professional fees and services	5,466		4,425		1,041		23.5
Other expenses	22,489		15,094		7,395		49.0
Total non-interest expense	$	194,121	$	133,004	$	61,117	46.0

Non-interest expense increased 46% to $194.1 million for the first nine months of 2020 compared to $133.0 million for first nine months of 2019. This $61.1 million increase resulted from the following primary causes:

•Merger and acquisition expense of $25.2 million from the Revere and RPJ acquisitions;

•Increased operational and compensation costs as a result of the 2020 acquisitions, bonus/overtime compensation, intangible amortization and annual employee merit increases; and

•Prepayment penalties of $5.9 million resulting from the liquidation of acquired FHLB advances.

Excluding merger and acquisition expense and the impact of the prepayment penalties from 2020, non-interest expense increased 23% over the prior year period. Further detail by category of non-interest expense follows:

•Salaries and employee benefits, the largest component of non-interest expense, increased 27% or $20.7 million in the first nine months of 2020. Regular salaries represented $14.3 million of this increase, which was the result of staffing costs associated with the 2020 acquisitions. The remainder of the increase was primarily the result of bonus/overtime compensation paid as part of the implementation of the PPP program, and rising employee benefits costs. As a result of the acquisitions, the average number of full-time equivalent employees increased to 1,080 in the first nine months of 2020 compared to 913 in the first nine months of 2019.

•Combined occupancy and equipment expenses increased 11% compared to the prior year as a result of increased cost associated with the additional branches and business offices from Revere and RPJ.

•Marketing expense amounts remained stable compared to the same period of the prior year.

•Outside data services expense increased 11% from the prior year period due to the increase in volume-based components of contractual-based services.

•FDIC insurance experienced a decrease in the 2019 assessment due to the additional capital contribution from the Company to the Bank associated with the Company’s issuance of subordinated debt, in addition to the receipt of an assessment credit received in 2019. The acquisition of Revere caused an assessment increase for 2020 due to the increase of the Bank's assessment base. The combination of the prior year's decrease and the current year's increase resulted in a the overall 50% increase in the expense.

•Amortization of intangible assets increased as a result of the amortization expense from the core deposit intangible asset recognized in the Revere transaction and, to a lesser degree, the amortization of intangibles acquired from the RPJ acquisition.

•Professional fees and services grew 24% from the prior year due to costs associated with lending activity.

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•Other expenses increased $7.4 million due to the $5.9 million in prepayment penalties incurred in the liquidation of acquired FHLB advances from Revere. The impact of penalties was offset by the accelerated amortization of the fair value marks on these borrowings, which is reflected in net interest income.

Income Taxes

The Company had income tax expense of $9.2 million in the first nine months of 2020, compared to income tax expense of $27.8 million in the first nine months of 2019. This decline in tax expense is directly attributable to the second quarter's negative pre-tax earnings. The effective tax rate was 18.7% for the first nine months of 2020 compared to a tax rate of 24.0% for the first nine months of 2019. The current year's effective tax rate was positively affected by the recent change to tax laws that expanded the time permitted to utilize previous net operating losses. The Company applied this change to the 2018 acquisition of WashingtonFirst to realize a tax benefit of $1.8 million for the current year.

Operating Expense Performance

Management views the GAAP efficiency ratio as an important financial measure of expense performance and cost management. The ratio expresses the level of non-interest expense as a percentage of total revenue (net interest income plus total non-interest income). Lower ratios indicate improved productivity.

Non-GAAP Financial Measures

The Company also uses a traditional efficiency ratio that is a non-GAAP financial measure of operating expense control and efficiency of operations. Management believes that its traditional efficiency ratio better focuses attention on the operating performance of the Company over time than does a GAAP efficiency ratio, and is highly useful in comparing period-to-period operating performance of the Company’s core business operations. It is used by management as part of its assessment of its performance in managing non-interest expense. However, this measure is supplemental, and is not a substitute for an analysis of performance based on GAAP measures. The reader is cautioned that the non-GAAP efficiency ratio used by the Company may not be comparable to GAAP or non-GAAP efficiency ratios reported by other financial institutions.

In general, the efficiency ratio is non-interest expense as a percentage of net interest income plus non-interest income. Non-interest expense used in the calculation of the non-GAAP efficiency ratio excludes merger and acquisition expense, the amortization of intangibles, and other non-recurring expenses, such as early prepayment penalties on FHLB advances. Income for the non-GAAP efficiency ratio includes the favorable effect of tax-exempt income, and excludes securities gains and losses, which vary widely from period to period without appreciably affecting operating expenses, and other non-recurring gains (if any). The measure is different from the GAAP efficiency ratio, which also is presented in this report. The GAAP measure is calculated using non-interest expense and income amounts as shown on the face of the Condensed Consolidated Statements of Income. The GAAP efficiency ratio for the first nine months of 2020 was 58.15% compared to 52.82% for the first nine months of 2019, as non-interest expense increased due to merger and acquisition expense and the previously mentioned prepayment penalties on FHLB advances. The GAAP and non-GAAP efficiency ratios are reconciled and provided in the following table. The non-GAAP efficiency ratio was 47.10% in the first nine months of 2020 compared to 51.36% for the first nine months of 2019. The improvement in the current year’s non-GAAP efficiency ratio compared to the prior year was the result of the 32% rate of growth in non-GAAP revenue which outpaced the 21% growth in the non-GAAP non-interest expense.

In addition, the Company uses pre-tax, pre-provision income adjusted for merger and acquisition expense as a measure of the level of recurring income before taxes. Management believes this provides financial statement users with a useful metric of the run-rate of revenues and expenses that is readily comparable to other financial institutions. This measure is calculated by adding the provision for credit losses, merger and acquisition expense and the provision for income taxes back to net income. This metric increased by 38% in the first nine months of 2020 compared to the same period for 2019, due primarily to the acquisition driven increase in net interest income and increases in mortgage banking and wealth management income which offset the increase in non-interest expense.

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GAAP and Non-GAAP Efficiency Ratios and Measures

	Nine Months Ended September 30,
(Dollars in thousands)	2020			2019
Pre-tax pre-provision pre-merger income:
Net income (GAAP)	$	40,291		$	87,976
Plus non-GAAP adjustments:
Merger and acquisition expense	25,171			364
Income tax expense	9,244			27,814
Provision for credit losses	90,158			3,029
Pre-tax pre-provision pre-merger income	$	164,864		$	119,183
Efficiency ratio - GAAP basis:
Non-interest expense	$	194,121		$	133,004
Net interest income plus non-interest income	$	333,814		$	251,823
Efficiency ratio - GAAP basis	58.15		%	52.82		%
Efficiency ratio - non-GAAP basis:
Non-interest expense	$	194,121		$	133,004
Less non-GAAP adjustments:
Amortization of intangible assets	4,566			1,465
Loss on FHLB redemption	5,928			—
Merger and acquisition expense	25,171			364
Non-interest expense - as adjusted	$	158,456		$	131,175
Net interest income plus non-interest income	$	333,814		$	251,823
Plus non-GAAP adjustment:
Tax-equivalent income	3,076			3,597
Less non-GAAP adjustment:
Securities gains	432			20
Net interest income plus non-interest income - as adjusted	$	336,458		$	255,400
Efficiency ratio - non-GAAP basis	47.10		%	51.36		%

The Company has presented operating earnings, operating earnings per share, operating return on average assets and operating return on average tangible common equity in order to present metrics that are more comparable to prior periods to provide an indication of the core performance of the Company year over year. Operating earnings reflect net income exclusive of the provision for credit losses, merger and acquisition expense and the income and expense associated with the PPP program, in each case net of tax. Adjusted average assets represents average assets to exclude average PPP loans outstanding. Average tangible assets represents average assets excluding average goodwill and average net intangible assets. Average tangible common equity represents average stockholders’ equity adjusted for average accumulated other comprehensive income/ (loss), average goodwill, and average intangible assets, net.

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GAAP and Non-GAAP Performance Ratios

	Nine Months Ended September 30,
(Dollars in thousands)	2020			2019
Operating earnings (non-GAAP):
Net income (GAAP)	$	40,291		$	87,976
Plus non-GAAP adjustments:
Provision for credit losses - net of tax	67,132			2,255
Merger and acquisition expense - net of tax	18,742			271
PPPLF funding expense - net of tax	707			—
Less non-GAAP adjustment:
PPP interest income and deferred fees - net of tax	9,709			—
Operating earnings (non-GAAP)	$	117,163		$	90,502
Operating earnings per common share (non-GAAP):
Weighted-average shares outstanding - diluted (GAAP)	43,070,672			35,642,556
Earnings per diluted common share (GAAP)	$	0.93		$	2.45
Operating earnings per diluted common share (non-GAAP)	$	2.72		$	2.54
Operating return on average assets (non-GAAP):
Average assets (GAAP)	$	11,483,477		$	8,307,929
Average PPP loans	592,500			—
Adjusted average assets (non-GAAP)	$	10,890,977		$	8,307,929
Return on average assets (GAAP)	0.47		%	1.42		%
Operating return on adjusted average assets (non-GAAP)	1.44		%	1.46		%
Operating return on average tangible common equity (non-GAAP):
Average assets (GAAP)	$	11,483,477		$	8,307,929
Average goodwill	(363,906)			(347,149)
Average other intangible assets, net	(26,572)			(9,118)
Average tangible assets (non-GAAP)	$	11,092,999		$	7,951,662
Average total stockholders' equity (GAAP)	$	1,307,791		$	1,098,700
Average accumulated other comprehensive (income)/ loss	(9,623)			8,438
Average goodwill	(363,906)			(347,149)
Average other intangible assets, net	(26,572)			(9,118)
Average tangible common equity (non-GAAP)	$	907,690		$	750,871
Return on average tangible common equity (GAAP)	5.93		%	15.66		%
Operating return on average tangible common equity (non-GAAP)	17.24		%	16.11		%

Results of Operations

For the Three Months Ended September 30, 2020 Compared to the Three Months Ended September 30, 2019

For the third quarter of 2020 the Company realized net income of $44.6 million ($0.94 per diluted common share) compared to net income of $29.4 million ($0.82 per diluted common share) for the third quarter of 2019 and a net loss of $14.3 million ($0.31 per diluted common share) for the previous quarter.

The current year's quarterly results compared to the prior year quarter includes the impact of the April 1, 2020 acquisition of Revere. On a linked quarter basis, the current quarter’s results included $1.3 million for merger and acquisition expense related to the second quarter acquisition of Revere as compared to $22.5 million for the linked quarter. The provision for credit losses for the current quarter was $7.0 million as compared to $58.7 million for the second quarter of 2020. The decrease in the provision for credit losses compared to the prior quarter is a result of the stability of the economic forecast compared to the prior quarter and performance of the loan portfolio.

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For the current quarter, operating earnings on an after-tax basis, which excludes the impact of merger and acquisition expense, the provision for credit losses and the effects from the PPP program, were $45.8 million ($0.97 per diluted common share), compared to $30.8 million ($0.86 per diluted common share) for the quarter ended September 30, 2019 and $42.0 million ($0.88 per diluted common share) for the quarter ended June 30, 2020.

Net Interest Income

Net interest income for the third quarter of 2020 increased 46% to $97.5 million compared to $66.8 million for the third quarter of 2019. On a tax-equivalent basis, net interest income for the third quarter of 2020 was $98.1 million compared to $67.9 million for the third quarter of 2019. The increase in net interest income was primarily the result of the Revere acquisition and, to a lesser degree, the $1.9 million benefit from the net amortization of fair value marks. Additionally, the PPP program generated pre-tax interest income, net of its associated funding cost, of $6.6 million during the current quarter. Overall, year-to-date, interest income increased 30% while interest expense decreased 24%.

The net interest margin for the current quarter was 3.24%, compared to the net interest margin for the third quarter of 2019 of 3.51%. Compared to the prior year’s quarter, the yield on $12.0 billion of average interest-earning assets declined to 3.75% compared to 4.56% on average interest-earning assets of $7.7 billion for the prior year quarter. Excluding the impact of the amortization of the fair value marks derived from acquisitions, the net interest margin would have been 3.18%.

Average interest-earning assets increased by 57% and average interest-bearing liabilities increased by 53% in the third quarter of 2020 compared to the third quarter of 2019. Average noninterest-bearing deposits increased 72% in the third quarter of 2020 as compared to the same quarter of the prior year. The percentage of average noninterest-bearing deposits to total average deposits increased to 33% in the current quarter compared to 30% in the third quarter of 2019. The primary cause of these increases was the acquisition of Revere during the second quarter of 2020 and, to a lesser extent, the PPP program and its impact on commercial loans and noninterest-bearing deposits. At September 30, 2020 and 2019, average total loans comprised 85% of average interest-earning assets with an average yield of 4.14% and 4.84%, respectively. The average yield on investment securities decreased to 1.72% for the quarter ended September 30, 2020, from 3.06% at September 30, 2019. The decline in the overall average yield on earnings assets from 4.56% at September 30, 2019 to 3.75% at September 30, 2020 was driven by downward movement of market interest rates. The impact of the decline in the yield on average interest-earning assets was partially mitigated by the 78 basis point decline in the average rate paid on average interest-bearing liabilities, as the rate paid decreased from 1.55% for the third quarter of 2019 to 0.77% for the third quarter of 2020. During this period, the 87 basis point decline in the average rate paid on interest-bearing deposits was primarily the result of the reduction in rates paid on money market savings and time deposits. While the general market rate decline affected deposit rates, the average rate paid on time deposits declined further as a result of amortization of the fair value mark associated with the Revere acquisition. Excluding the amortization of all the fair value marks, the average rate paid on total average interest-bearing liabilities was 0.89%.

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Consolidated Average Balances, Yields and Rates
	Three Months Ended September 30,
	2020						2019
(Dollars in thousands and tax-equivalent)	Average Balances		(1) Interest		Annualized Average Yield/Rate		Average Balances		(1) Interest		Annualized Average Yield/Rate
Assets:
Commercial investor real estate loans	$	3,582,751	$	39,547	4.39	%	$	1,982,979	$	24,342	4.87	%
Commercial owner-occupied real estate loans	1,628,474		19,215		4.69		1,258,000		15,749		4.97
Commercial AD&C loans	977,607		10,647		4.33		651,905		9,705		5.91
Commercial business loans	2,207,388		20,015		3.61		786,150		10,350		5.22
Total commercial loans	8,396,220		89,424		4.24		4,679,034		60,146		5.10
Residential mortgage loans	1,189,452		10,899		3.67		1,215,132		11,649		3.83
Residential construction loans	173,280		1,733		3.98		162,196		1,746		4.27
Consumer loans	543,242		5,053		3.70		486,865		6,132		5.00
Total residential and consumer loans	1,905,974		17,685		3.70		1,864,193		19,527		4.18
Total loans (2)	10,302,194		107,109		4.14		6,543,227		79,673		4.84
Loans held for sale	54,784		398		2.91		61,870		572		3.70
Taxable securities	1,148,573		4,190		1.46		744,461		5,504		2.95
Tax-exempt securities (3)	255,665		1,846		2.89		196,587		1,695		3.45
Total investment securities (4)	1,404,238		6,036		1.72		941,048		7,199		3.06
Interest-bearing deposits with banks	287,817		84		0.12		143,865		783		2.16
Federal funds sold	430		—		0.10		619		2		1.42
Total interest-earning assets	12,049,463		113,627		3.75		7,690,629		88,229		4.56
Less: allowance for credit losses	(162,488)						(54,147)
Cash and due from banks	128,193						64,154
Premises and equipment, net	59,182						60,537
Other assets	761,543						609,616
Total assets	$	12,835,893					$	8,370,789
Liabilities and Stockholders' Equity:
Interest-bearing demand deposits	$	1,144,328	365		0.13	%	$	749,720	545		0.29	%
Regular savings deposits	391,291		66		0.07		326,913		110		0.13
Money market savings deposits	3,022,710		2,508		0.33		1,781,173		6,721		1.50
Time deposits	2,022,703		6,500		1.28		1,638,072		8,956		2.17
Total interest-bearing deposits	6,581,032		9,439		0.57		4,495,878		16,332		1.44
Other borrowings	709,217		551		0.31		146,939		257		0.69
Advances from FHLB	448,929		2,841		2.52		522,719		3,222		2.45
Subordinated debentures	230,309		2,669		4.64		37,340		481		5.15
Total borrowings	1,388,455		6,061		1.74		706,998		3,960		2.22
Total interest-bearing liabilities	7,969,487		15,500		0.77		5,202,876		20,292		1.55
Noninterest-bearing demand deposits	3,281,607						1,909,884
Other liabilities	183,053						134,844
Stockholders' equity	1,401,746						1,123,185
Total liabilities and stockholders' equity	$	12,835,893					$	8,370,789
Net interest income and spread			98,127		2.98	%			67,937		3.01	%
Less: tax-equivalent adjustment			643						1,147
Net interest income			$	97,484					$	66,790
Interest income/earning assets					3.75	%					4.56	%
Interest expense/earning assets					0.51	%					1.05
Net interest margin					3.24	%					3.51	%

(1)Tax-equivalent income has been adjusted using the combined marginal federal and state rate of 25.54% and 26.13% for 2020 and 2019, respectively. The annualized taxable-equivalent adjustments utilized in the above table to compute yields aggregated to $0.6 million and $1.1 million in 2020 and 2019, respectively.

(2)Non-accrual loans are included in the average balances.

(3)Includes investments that are exempt from federal taxes.

(4)Investments available-for-sale are presented at amortized cost.

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Interest Income

The Company's total tax-equivalent interest income increased 29% for the third quarter of 2020 compared to the prior year quarter. The previous table reflects the growth in average interest-earning assets over the prior year quarter as average total loans grew 57% and average investment securities grew 49%. Increases occurred in most categories of interest-earning assets from the Revere acquisition and, to a lesser extent, the PPP program. Mortgage loans decreased as a result of rate-driven refinance and new loan origination activity coupled with the continued sale of the majority of new mortgage loan production. The significant growth in the average balance of interest-bearing deposits with banks was the result of the loan funding under the PPP program being placed into customer deposit accounts at the Bank.

The average yield on interest-earning assets declined to 3.75% for the current quarter compared to 4.56% for the same period of the prior year. The average yields on loans and investment securities for the current quarter decreased by 70 and 134 basis points, respectively, compared to the prior year quarter as market rates declined during the period. The PPP program and amortization of the fair value premiums negatively impacted the current quarter’s yield on average loans by eleven and two basis points, respectively. The decrease in the yield on investments was driven by the decline in yields during the year and as proceeds from maturities and calls were reinvested in securities at the lower available rates. The combined decrease in the yield on loans and the investment portfolio resulted in the 81 basis point decline in the yield on interest-earning assets from period to period. Excluding the PPP program and the amortization of fair value marks, the yield on interest-earning assets would have been 3.88%.

Interest Expense

Interest expense decreased 24% in the third quarter of 2020 compared to the third quarter of 2019. The decrease from period to period was attributable to two factors: the decline in general market rates that occurred over the previous twelve months and the impact of the amortization of the acquisition fair value marks. The main driver in the 87 basis point decline in the average rate paid on interest-bearing deposits in the current quarter versus in the prior year quarter were the notable decreases in the rates paid on money market savings and time deposits. Contributing to the decline in the average rate paid on deposits was the $2.4 million in amortization of fair value marks on time deposits for the current quarter. Excluding the amortization of the fair value marks, the average rate paid on interest-bearing deposits would have been 0.71%.

The combined impact of the general decline in market rates and amortization of fair value marks resulted in the 0.77% average rate paid on interest-bearing liabilities for the current quarter compared to 1.55% for the same period of the prior year. The average rate paid also benefited from the low funding cost of the PPP program and from the growth in noninterest-bearing deposits that grew to 33% of deposits in the current quarter compared to 30% in the prior year’s third quarter. The average rate paid on interest-bearing liabilities for the current quarter, after excluding the fair value amortization, would have been 0.89%.

Non-interest Income

Non-interest income amounts and trends are presented in the following table for the periods indicated:

	Three Months Ended September 30,				2020/2019		2020/2019
(Dollars in thousands)	2020		2019		$ Change		% Change
Securities gains	$	51	$	15	$	36	240.0	%
Service charges on deposit accounts	1,673		2,516		(843)		(33.5)
Mortgage banking activities	14,108		4,408		9,700		220.1
Wealth management income	7,785		5,493		2,292		41.7
Insurance agency commissions	2,122		2,116		6		0.3
Income from bank owned life insurance	708		662		46		6.9
Bank card fees	1,525		1,462		63		4.3
Other income	1,418		1,901		(483)		(25.4)
Total non-interest income	$	29,390	$	18,573	$	10,817	58.2

Total non-interest income increased 58% to $29.4 million for the third quarter of 2020 compared to $18.6 million for the third quarter of 2019. This $10.8 million increase was driven predominantly by the $9.7 million increase in income from mortgage banking activities and the $2.3 million increase in wealth management income. These increases more than offset the combined $1.3 million decline in service fees and other non-interest income during the period. Further detail by type of non-interest income follows:

•Service charges on deposit accounts decreased 34% in the third quarter of 2020, compared to the third quarter of 2019, as the Company, in an effort to lessen the financial burden of the pandemic on clients, elected to temporarily waive fees associated with deposit account activities.

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•Income from mortgage banking activities increased by $9.7 million or 220% in the third quarter of 2020 as compared to the third quarter of 2019. The increased income from mortgage banking activities was attributable to increased refinancing activity. The Company sells the majority of its mortgage loan production for gains versus retaining them in the loan portfolio.

•Wealth management income increased 42% for the third quarter of 2020, as compared to the third quarter of 2019. This increase reflects the impact of the acquisition of RPJ, which was acquired in the first quarter of 2020. Overall total assets under management increased to $4.7 billion at September 30, 2020 compared to $3.2 billion at September 30, 2019.

•Income from bank owned life insurance increased by 7% in the third quarter of 2020, compared to the third quarter of 2019, as a result of the additional policies from the Revere acquisition.

•Bank card income increased 4% in the third quarter of 2020, compared to the third quarter of 2019, due to a rise in consumer transaction volume.

•Other non-interest income decreased 25% in the third quarter of 2020, compared to the third quarter of 2019, primarily as a result of decreased fee income related to credit products.

Non-interest Expense

Non-interest expense amounts and trends are presented in the following table for the periods indicated:

	Three Months Ended September 30,				2020/2019		2020/2019
(Dollars in thousands)	2020		2019		$ Change		% Change
Salaries and employee benefits	$	36,041	$	26,234	$	9,807	37.4	%
Occupancy expense of premises	5,575		4,816		759		15.8
Equipment expense	3,133		2,641		492		18.6
Marketing	1,305		1,541		(236)		(15.3)
Outside data services	2,614		1,973		641		32.5
FDIC insurance	1,340		(83)		1,423		n/m
Amortization of intangible assets	1,968		491		1,477		300.8
Merger and acquisition expense	1,263		364		899		247.0
Professional fees and services	1,800		1,546		254		16.4
Other expenses	5,898		5,402		496		9.2
Total non-interest expense	$	60,937	$	44,925	$	16,012	35.6

Non-interest expense grew 36% to $60.9 million in the third quarter of 2020 compared to $44.9 million in the third quarter of 2019. The year-over-year growth was driven by increased operational and compensation costs, in addition to FDIC insurance and the amortization of intangible assets. Further detail by category of non-interest expense follows:

•Salaries and employee benefits, the largest component of non-interest expenses, increased 37% in the third quarter of 2020 compared to the same period of the prior year as a result of staffing increases due to the 2020 acquisitions. The remainder of the increase was due to incentives earned from mortgage loan production and annual merit increases. The average number of full-time equivalent employees rose to 1,145 in the third quarter of 2020 compared to 917 in the third quarter of 2019.

•Occupancy and equipment expenses for the quarter increased 17% compared to the prior year quarter as a result of the cost associated with the additional branches and business offices.

•Marketing expense decreased 15% as a result of decreased advertising initiatives.

•FDIC insurance expense increased by $1.4 million as a combined result of the asset growth from the Revere acquisition coupled with the impact of the assessment credit received in the prior year quarter.

•Outside data service expense grew 32% driven by the contractual data services with volume-based components.

•Professional fees and services increased 16% from the prior year quarter due to increased costs associated with credit management.

•Amortization of intangible assets increased primarily as a result of the amortization expense from the core deposit intangible asset recognized in the Revere transaction, and to a lesser degree, the amortization of intangibles acquired from the RPJ acquisition.

Income Taxes

The Company had income tax expense of $14.3 million in the third quarter of 2020, compared to income tax expense of $9.5 million in the third quarter of 2019. The resulting effective tax rate was 24.3% for the third quarter of 2020 compared to an effective tax rate of 24.5% for the third quarter of 2019.

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Operating Expense Performance

Management views the GAAP efficiency ratio as an important financial measure of expense performance and cost management. The ratio expresses the level of non-interest expense as a percentage of total revenue (net interest income plus total non-interest income). Lower ratios may indicate improved productivity as the growth rate in revenue streams exceeds the growth in operating expenses.

Non-GAAP Financial Measures

The GAAP efficiency ratio in the third quarter of 2020 was 48.03% compared to 52.63% for the third quarter of 2019, as revenue growth outpaced the growth in non-interest expense during the period. The GAAP and non-GAAP efficiency ratios are reconciled and provided in the following table. The non-GAAP efficiency ratio was 45.27% in the third quarter of 2020 compared to 50.95% in the third quarter of 2019. The improvement in the current year’s non-GAAP efficiency ratio compared to the prior year, was the result of the 47% rate of growth in non-GAAP revenue which outpaced the 31% growth in the non-GAAP non-interest expense.

Pre-tax, pre-provision income, excluding merger and acquisition expense, increased for the third quarter of 2020 compared to the third quarter of 2019, driven by the positive net impact that the 2020 acquisitions had on net revenues.

GAAP and Non-GAAP Efficiency Ratios and Measures

	Three Months Ended September 30,
(Dollars in thousands)	2020			2019
Pre-tax pre-provision pre-merger income:
Net income (GAAP)	$	44,642		$	29,383
Plus non-GAAP adjustments:
Merger and acquisition expense	1,263			364
Income tax expense	14,292			9,531
Provision for credit losses	7,003			1,524
Pre-tax pre-provision pre-merger income	$	67,200		$	40,802
Efficiency ratio - GAAP basis:
Non-interest expense	$	60,937		$	44,925
Net interest income plus non-interest income	$	126,874		$	85,363
Efficiency ratio - GAAP basis	48.03		%	52.63		%
Efficiency ratio - non-GAAP basis:
Non-interest expense	$	60,937		$	44,925
Less non-GAAP adjustments:
Amortization of intangible assets	1,968			491
Merger and acquisition expense	1,263			364
Non-interest expense - as adjusted	$	57,706		$	44,070
Net interest income plus non-interest income	$	126,874		$	85,363
Plus non-GAAP adjustment:
Tax-equivalent income	643			1,147
Less non-GAAP adjustment:
Securities gains	51			15
Net interest income plus non-interest income - as adjusted	$	127,466		$	86,495
Efficiency ratio - non-GAAP basis	45.27		%	50.95		%

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GAAP and Non-GAAP Performance Ratios

	Three Months Ended September 30,
(Dollars in thousands)	2020			2019
Operating earnings (non-GAAP):
Net income (GAAP)	$	44,642		$	29,383
Plus non-GAAP adjustments:
Provision for credit losses - net of tax	5,140			1,133
Merger and acquisition expense - net of tax	919			271
PPPLF funding expense - net of tax	339			—
Less non-GAAP adjustment:
PPP interest income and deferred fees - net of tax	5,226			—
Operating earnings (non-GAAP)	$	45,814		$	30,787
Operating earnings per common share (non-GAAP):
Weighted-average shares outstanding - diluted (GAAP)	47,175,071			35,671,721
Earnings per diluted common share (GAAP)	$	0.94		$	0.82
Operating earnings per diluted common share (non-GAAP)	$	0.97		$	0.86
Operating return on average assets (non-GAAP):
Average assets (GAAP)	$	12,835,893		$	8,370,789
Average PPP loans	1,058,792			—
Adjusted average assets (non-GAAP)	$	11,777,101		$	8,370,789
Return on average assets (GAAP)	1.38		%	1.39		%
Operating return on adjusted average assets (non-GAAP)	1.55		%	1.46		%
Operating return on average tangible common equity (non-GAAP):
Average assets (GAAP)	$	12,835,893		$	8,370,789
Average goodwill	(370,548)			(347,149)
Average other intangible assets, net	(35,470)			(8,629)
Average tangible assets (non-GAAP)	$	12,429,875		$	8,015,011
Average total stockholders' equity (GAAP)	$	1,401,746		$	1,123,185
Average accumulated other comprehensive (income)/ loss	(17,726)			2,837
Average goodwill	(370,548)			(347,149)
Average other intangible assets, net	(35,470)			(8,629)
Average tangible common equity (non-GAAP)	$	978,002		$	770,244
Return on average tangible common equity (GAAP)	18.16		%	15.13		%
Operating return on average tangible common equity (non-GAAP)	18.64		%	15.86		%

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FINANCIAL CONDITION

The Company’s total assets grew to $12.7 billion or by 47% at September 30, 2020, as compared to $8.6 billion at December 31, 2019, primarily as a result of the acquisition of Revere. The Company’s participation in the PPP program contributed $1.1 billion to the overall $4.1 billion asset growth from the previous year end. Exclusive of the PPP program, total asset growth was 35%. During this period, total loans grew by 54% to $10.3 billion at September 30, 2020, compared to $6.7 billion at December 31, 2019. The Revere acquisition resulted in $2.5 billion of the total loan growth during the period. Deposit growth, primarily from the Revere acquisition, was 55% from December 31, 2019 to September 30, 2020, as noninterest-bearing deposits experienced growth of 83% and interest-bearing deposits grew 43%. Deposit growth was also positively affected by the influx of funds from the PPP program, as loan funds were placed in existing deposit accounts at the Bank. The growth in deposits resulted in the loan to deposit ratio declining to 103.7% at September 30, 2020 from 104.1% at December 31, 2019.

Loans

Excluding PPP loans, total loans grew 38% to $9.3 billion at September 30, 2020. The majority of the growth, exclusive of the PPP program, was driven by the acquisition of Revere. Commercial loans, excluding PPP loans, grew 50% or $2.5 billion. Period-to-period changes in the individual commercial loan portfolios occurred as a result of loan system integration and classification to align the acquired portfolio classifications with the Company's. The remainder of the loan portfolio grew 6% as the residential real estate portfolio grew 4% and the consumer loan portfolio grew 12%.

Analysis of Loans

A comparison of the loan portfolio at the dates indicated is presented in the following table:

	September 30, 2020				December 31, 2019				Period-to-Period Change
(Dollars in thousands)	Amount		%		Amount		%		Amount		%
Commercial real estate:
Commercial owner-occupied real estate	$	3,588,702	34.7	%	$	2,169,156	32.4	%	$	1,419,546	65.4	%
Commercial investor real estate	1,652,208		16.0		1,288,677		19.2		363,531		28.2
Commercial AD&C	994,800		9.6		684,010		10.2		310,790		45.4
Commercial business	2,227,246		21.6		801,019		11.9		1,426,227		178.1
Total commercial loans	8,462,956		81.9		4,942,862		73.7		3,520,094		71.2
Residential real estate:
Residential mortgage	1,173,857		11.3		1,149,327		17.1		24,530		2.1
Residential construction	175,123		1.7		146,279		2.2		28,844		19.7
Consumer	521,999		5.1		466,764		7.0		55,235		11.8
Total residential and consumer loans	1,870,979		18.1		1,762,370		26.3		108,609		6.2
Total loans	$	10,333,935	100.0	%	$	6,705,232	100.0	%	$	3,628,703	54.1

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From March through September 30, 2020, the Company granted payment modifications or deferrals under the Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) on over 2,500 loans with an aggregate balance of approximately $2.0 billion. As reflected in the table below, approximately $562 million of loans were deferring payments as of September 30, 2020. Approximately $465 million of the loans deferring payments at September 30, 2020 have been granted a second payment accommodation. The following table provides the distribution, by portfolio segment, of loans deferring payments compared to other outstanding loans as of September 30, 2020:

 

	September 30, 2020
	Loans Deferring Payments				Other Outstanding Loans			Total Loans Balance		% of Total Loans with a Deferral
(Dollars in thousands)	Balance		%		Balance		%
Commercial real estate:
Commercial investor real estate	$	375,380	66.8	%	$	3,213,322	32.9%	$	3,588,702	10.5	%
Commercial owner-occupied real estate	69,828		12.4		1,582,380		16.2	1,652,208		4.2
Commercial AD&C	19,260		3.4		975,540		9.9	994,800		1.9
Commercial business	42,583		7.6		2,184,663		22.4	2,227,246		1.9
Total commercials loans	507,051		90.2		7,955,905		81.4	8,462,956		6.0
Residential real estate:
Residential mortgage	44,805		8.0		1,129,052		11.5	1,173,857		3.8
Residential construction	3,461		0.6		171,662		1.8	175,123		2.0
Consumer	7,039		1.2		514,960		5.3	521,999		1.3
Total residential and consumer loans	55,305		9.8		1,815,674		18.6	1,870,979		3.0
Total loans	$	562,356	100.0%		$	9,771,579	100.0%	$	10,333,935	5.4

The Company originated $1.1 billion of PPP loans, of which $47.2 million had been repaid as of September 30, 2020. The following table discloses the remaining balances of loans deferring payments and PPP loans issued under the CARES Act on the commercial loan portfolio by selected industry segment as of September 30, 2020: 

	September 30, 2020
(In thousands)	Loans Deferring Payments		PPP Loans		Other Outstanding Loans		Total Loans
CRE Investment - Retail	$	105,933	$	759	$	977,858	$	1,084,550
CRE Investment - Office	18,690		318		684,718		703,726
CRE Investment - Multifamily	42,592		3,998		430,513		477,103
Hotels	180,913		8,477		216,465		405,855
Restaurants	14,145		73,546		140,788		228,479
All other industries	144,778		1,001,050		4,417,415		5,563,243
Total Commercial Loans	$	507,051	$	1,088,148	$	6,867,757	$	8,462,956

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Analysis of Investment Securities

The composition of investment securities at the periods indicated is presented in the following table:

	September 30, 2020				December 31, 2019				Period-to-Period Change
(Dollars in thousands)	Amount		%		Amount		%		Amount		%
Investments available-for-sale:
U.S. treasuries and government agencies	$	139,405	9.8	%	$	258,495	23.0	%	$	(119,090)	(46.1)	%
State and municipal	352,987		24.7		233,649		20.8		119,338		51.1	%
Mortgage-backed and asset-backed	852,314		59.8		570,759		50.7		281,555		49.3	%
Corporate debt	12,499		0.9		9,552		0.8		2,947		30.9	%
Trust preferred	—		—		310		—		(310)		(100.0)	%
Marketable equity securities	—		—		568		0.1		(568)		(100.0)	%
Total available-for-sale securities	1,357,205		95.2		1,073,333		95.4		283,872		26.4	%
Other equity securities:
Other equity securities	68,528		4.8		51,803		4.6		16,725		32.3	%
Total other equity securities	68,528		4.8		51,803		4.6		16,725		32.3	%
Total securities	$	1,425,733	100.0	%	$	1,125,136	100.0	%	$	300,597	26.7	%

The investment portfolio consists primarily of U.S. Treasuries, U.S. Agency securities, U.S. Agency mortgage-backed securities, U.S. Agency collateralized mortgage obligations, asset-backed securities and state and municipal securities. The portfolio is monitored on a continuing basis with consideration given to interest rate trends and the structure of the yield curve and with a frequent assessment of economic projections and analysis. At September 30, 2020, 98% of the investment portfolio was invested in Aaa/AAA or Aa/AA-rated securities. The composition and size of the portfolio at September 30, 2020 shifted from U.S. Treasuries and U.S. government Agencies to mortgage-backed and municipal securities compared to the prior year-end to take advantage of investment spreads that occurred late in the first quarter of 2020 as a result of the interest rate dislocation in the markets. The duration of the portfolio is monitored to ensure the adequacy and ability to meet liquidity demands. At September 30, 2020 the duration of the portfolio was 4.0 years compared to 3.5 years at December 31, 2019. The increase in the duration is the result of the decline in the interest rate environment as portions of the portfolio repriced at lower rates due to maturities. The portfolio possesses low credit risk that could provide the liquidity necessary to meet loan and operational demands.

Other Earning Assets

Residential mortgage loans held for sale increased to $88.7 million at September 30, 2020, compared to $53.7 million at December 31, 2019, as a result of the increased volume of loan originations during the period and the timing of sales of those mortgages. The Company continues to sell the majority of its mortgage loan production. The aggregate of interest-bearing deposits with banks and federal funds sold increased by $53.9 million at September 30, 2020 compared to December 31, 2019. The Company continues to maintain a higher liquidity position in light of the economic uncertainty resulting from the COVID-19 pandemic.

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Deposits

The composition of deposits at the periods indicated is presented in the following table:

	September 30, 2020				December 31, 2019				Period-to-Period Change
(Dollars in thousands)	Amount		%		Amount		%		Amount		%
Noninterest-bearing deposits	$	3,458,804	34.7	%	$	1,892,052	29.4	%	$	1,566,752	82.8	%
Interest-bearing deposits:
Demand	1,137,000		11.4		836,433		13.0		300,567		35.9
Money market savings	3,104,600		31.1		1,839,593		28.5		1,265,007		68.8
Regular savings	396,280		4.0		329,919		5.1		66,361		20.1
Time deposits of less than $100,000	545,903		5.5		463,431		7.2		82,472		17.8
Time deposits of $100,000 or more	1,322,382		13.3		1,078,891		16.8		243,491		22.6
Total interest-bearing deposits	6,506,165		65.3		4,548,267		70.6		1,957,898		43.0
Total deposits	$	9,964,969	100.0	%	$	6,440,319	100.0	%	$	3,524,650	54.7

Deposits and Borrowings

Total deposits increased by 55% to $10.0 billion at September 30, 2020 from $6.4 billion at December 31, 2019. This acquisition driven increase resulted in noninterest-bearing deposits increasing 83% and interest-bearing deposits increasing 43%. A portion of the deposit growth is the result of the funds from the PPP program as loan funds were placed in deposit accounts at the Bank until utilized by the respective borrowers. At September 30, 2020, interest-bearing deposits represented 65% of deposits with the remaining 35% in noninterest-bearing balances, compared to 71% and 29%, respectively, at December 31, 2019. The mix of interest-bearing deposits remained relatively stable at September 30, 2020 compared December 31, 2019. Total borrowings increased 21% at September 30, 2020 compared to December 31, 2019, as a direct result of the funds borrowed under the PPPLF to fund the underlying PPP loans, in addition to $31.0 million of Revere’s subordinated debt as part of the acquisition.

Capital Management

Management monitors historical and projected earnings, dividends, and asset growth, as well as risks associated with the various types of on and off-balance sheet assets and liabilities, in order to determine appropriate capital levels. Total stockholders' equity was $1.4 billion at September 30, 2020 compared to $1.1 billion December 31, 2019. This increase in equity occurred due to the acquisition of Revere which resulted in the issuance of 12.8 million shares of common stock valued at $289 million. Prior to the acquisition of Revere, the Company repurchased $25.7 million of common stock during the first quarter of 2020. The ratio of average equity to average assets was 11.39% for the nine months ended September 30, 2020, as compared to 13.22% for the first nine months of 2019.

Risk-Based Capital Ratios

Bank holding companies and banks are required to maintain capital ratios in accordance with guidelines adopted by the federal bank regulators. These guidelines are commonly known as risk-based capital guidelines. The actual regulatory ratios and required ratios for capital adequacy are summarized for the Company in the following table.

	Ratios at		Minimum Regulatory Requirements
	September 30, 2020	December 31, 2019
Total capital to risk-weighted assets	14.02%	14.85%	8.00%
Tier 1 capital to risk-weighted assets	10.45%	11.21%	6.00%
Common equity tier 1 capital	10.45%	11.06%	4.50%
Tier 1 leverage	8.65%	9.70%	4.00%

As of September 30, 2020, the most recent notification from the Bank’s primary regulator categorized the Bank as a "well-capitalized" institution under the prompt corrective action rules of the Federal Deposit Insurance Act. Designation as a well-capitalized institution under these regulations is not a recommendation or endorsement of the Company or the Bank by federal bank regulators.

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The minimum capital level requirements applicable to the Company and the Bank are: (1) a common equity Tier 1 capital ratio of 4.5%; (2) a Tier 1 capital ratio of 6%; (3) a total capital ratio of 8%; and (4) a Tier 1 leverage ratio of 4%. The rules also establish a “capital conservation buffer” of 2.5% above the regulatory minimum capital requirements, which must consist entirely of common equity Tier 1 capital. An institution would be subject to limitations on paying dividends, engaging in share repurchases, and paying discretionary bonuses to executive officers if its capital level falls below the buffer amount. These limitations establish a maximum percentage of eligible retained income that could be utilized for such actions.

The main drivers of the decline in the ratios at September 30, 2020 from December 31, 2019 was the impact that the Revere transaction had on total risk-based assets, as well as the previously mentioned stock repurchase program. During the year, the Company elected to apply the provisions of the CECL deferral transition in the determination of its risk based capital ratios. At September 30, 2020, the impact of the application of this deferral transition provided an additional $23.5 million in Tier 1 capital and resulted in raising the common equity tier 1 ratio by 24 basis points.

Tangible Common Equity

Tangible common equity, tangible assets and tangible book value per share are non-GAAP financial measures calculated using GAAP amounts. Tangible common equity excludes the balances of goodwill, other intangible assets and accumulated other comprehensive income/ (loss) from total stockholders’ equity. Tangible assets excludes the balances of goodwill and other intangible assets. Management believes that this non-GAAP financial measure provides information to investors that may be useful in understanding our financial condition. Because not all companies use the same calculation of tangible common equity and tangible assets, this presentation may not be comparable to other similarly titled measures calculated by other companies.

Tangible common equity totaled $1.0 billion at September 30, 2020, compared to $782.3 million at December 31, 2019. At September 30, 2020, the ratio of tangible common equity to tangible assets has decreased to 8.17% compared to 9.46% at December 31, 2019. The decrease in the tangible common equity ratio was caused primarily by the growth of total assets due to the acquisition of Revere as tangible assets grew at 48% versus the 28% in tangible common equity. Secondary causes of the decline in the ratio were the repurchase of $25.7 million in common stock in the current year and the addition of $49.7 million in goodwill and net intangibles from the Revere and RPJ acquisitions during 2020. Excluding the PPP loans from tangible assets, the ratio of tangible common equity to tangible assets was 8.94%.

A reconciliation of total stockholders’ equity to tangible common equity and total assets to tangible assets along with tangible book value per share, book value per share and related non-GAAP tangible common equity ratio are provided in the following table:

Tangible Common Equity Ratio – Non-GAAP

(Dollars in thousands, except per share data)	September 30, 2020			December 31, 2019
Tangible common equity ratio:
Total stockholders' equity	$	1,424,749		$	1,132,974
Accumulated other comprehensive (income)/ loss	(17,493)			4,332
Goodwill	(370,549)			(347,149)
Other intangible assets, net	(34,175)			(7,841)
Tangible common equity	$	1,002,532		$	782,316
Total assets	$	12,678,131		$	8,629,002
Goodwill	(370,549)			(347,149)
Other intangible assets, net	(34,175)			(7,841)
Tangible assets	$	12,273,407		$	8,274,012
Tangible common equity ratio	8.17		%	9.46		%
Outstanding common shares	47,025,779			34,970,370
Tangible book value per common share	$	21.32		$	22.37
Book value per common share	$	30.30		$	32.40

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Credit Risk

The fundamental lending business of the Company is based on understanding, measuring and controlling the credit risk inherent in the loan portfolio. The Company’s loan portfolio is subject to varying degrees of credit risk. Credit risk entails both general risks, which are inherent in the process of lending, and risk specific to individual borrowers. The Company’s credit risk is mitigated through portfolio diversification, which limits exposure to any single customer, industry or collateral type. Typically, each consumer and residential lending product has a generally predictable level of credit losses based on historical loss experience. Residential mortgage and home equity loans and lines generally have the lowest credit loss experience. Loans secured by personal property, such as auto loans, generally experience medium credit losses. Unsecured loan products, such as personal revolving credit, have the highest credit loss experience and, for that reason, the Company has chosen not to engage in a significant amount of this type of lending. Credit risk in commercial lending can vary significantly, as losses as a percentage of outstanding loans can shift widely during economic cycles and are particularly sensitive to changing economic conditions. Generally, improving economic conditions result in improved operating results on the part of commercial customers, enhancing their ability to meet their particular debt service requirements. Improvements, if any, in operating cash flows can be offset by the impact of rising interest rates that may occur during improved economic times. Inconsistent economic conditions may have an adverse effect on the operating results of commercial customers, reducing their ability to meet debt service obligations.

Loans acquired as a part of an acquisition transaction with evidence of more-than-insignificant credit deterioration since their origination as of the date of the acquisition are considered “purchased credit deteriorated” or “PCD” loans and are recorded at their initial fair values. The identification of loans that have experienced a more-than-insignificant deterioration in credit quality since their origination requires judgment and an assessment of a number of factors. For further discussion regarding the acquired loans, including PCD loans, refer to that section of Note 1 - Significant Accounting Policies in the Notes to the Condensed Consolidated Financial Statements.

To control and manage credit risk, management has a credit process in place to reasonably ensure that credit standards are maintained along with an in-house loan administration, accompanied by oversight and review procedures. The primary purpose of loan underwriting is the evaluation of specific lending risks and involves the analysis of the borrower’s ability to service the debt as well as the assessment of the value of the underlying collateral. Oversight and review procedures include monitoring the credit quality of the portfolio, providing early identification of potential problem credits and proactive management of problem credits.

The Company recognizes a lending relationship as non-performing when either the loan becomes 90 days delinquent or as a result of factors, such as bankruptcy, interruption of cash flows, etc., considered at the monthly credit committee meeting. Classification as a non-accrual loan is based on a determination that the Company may not collect all principal and/or interest payments according to contractual terms. When a loan is placed on non-accrual status all accrued but unpaid interest is reversed from interest income. Typically, all payments received on non-accrual loans are first applied to the remaining principal balance of the loans. Any additional recoveries are credited to the allowance up to the amount of all previous charge-offs.

The level of non-performing loans to total loans was 0.72% at September 30, 2020, compared to 0.62% at December 31, 2019. At September 30, 2020, non-performing loans totaled $74.7 million, compared to $41.3 million at December 31, 2019. Non-performing loans include accruing loans 90 days or more past due and restructured loans. The growth in non-performing loans from December 31, 2019 was driven by three major components: loans placed in non-accrual status, acquired Revere non-accrual loans, and loans previously accounted for as purchased credit impaired loans that have been designated as non-accrual loans as a result of the Company’s adoption of the accounting standard for expected credit losses at the beginning of the year. Loans placed on non-accrual during the first nine months of 2020 amounted to $30.6 million compared to $15.6 million for the same period of the prior year. Acquired Revere non-accrual loans were $11.3 million.

While the diversification of the lending portfolio among different commercial, residential and consumer product lines along with different market conditions of the D.C. suburbs, Northern Virginia and Baltimore metropolitan area has mitigated some of the risks in the portfolio, local economic conditions and levels of non-performing loans may continue to be influenced by the conditions being experienced in various business sectors of the economy on both a regional and national level. As noted, risks, uncertainties and various other factors related to the COVID-19 pandemic includes the impact on the economy and the businesses of our borrowers and their ability to remit contractual payments on their obligations to the Company in a timely manner. The current ability to predict the outcome or impact of the remedial actions and stimulus measures adopted by the government on the economic well-being of our borrowers and the manifestations of all these factors including the future performance aspect of the credit portfolio remains uncertain.

The Company’s methodology for evaluating whether a loan shall be placed on non-accrual status begins with risk-rating credits on an individual basis and includes consideration of the borrower’s overall financial condition, payment record and available cash resources that may include the sufficiency of collateral value and, in a select few cases, verifiable support from financial

64

guarantors. In measuring a specific allowance, the Company looks primarily to the value of the collateral (adjusted for estimated costs to sell) or projected cash flows generated by the operation of the collateral as the primary sources of repayment of the loan. The Company may consider the existence of guarantees and the financial strength and wherewithal of the guarantors involved in any loan relationship. Guarantees may be considered as a source of repayment based on the guarantor’s financial condition and payment capacity. Accordingly, absent a verifiable payment capacity, a guarantee alone would not be sufficient to avoid classifying the loan as non-accrual.

Management has established a credit process that dictates that structured procedures be performed to monitor these loans between the receipt of an original appraisal and the updated appraisal. These procedures include the following:

•An internal evaluation is updated periodically to include borrower financial statements and/or cash flow projections.

•The borrower may be contacted for a meeting to discuss an updated or revised action plan which may include a request for additional collateral.

•Re-verification of the documentation supporting the Company’s position with respect to the collateral securing the loan.

•At the monthly credit committee meeting the loan may be downgraded and a specific allowance may be decided upon in advance of the receipt of the appraisal.

•Upon receipt of the updated appraisal (or based on an updated internal financial evaluation) the loan balance is compared to the appraisal and a specific allowance is decided upon for the particular loan, typically for the amount of the difference between the appraised value (adjusted for estimated costs to sell) and the loan balance.

•Evaluation of whether adverse changes in the value of the collateral are expected over the remainder of the loan’s expected life.

•The Company will individually assess the allowance for credit losses based on the fair value of the collateral for any collateral dependent loans where the borrower is experiencing financial difficulty or when the Company determines that the foreclosure is probable. The Company will charge-off the excess of the loan amount over the fair value of the collateral adjusted for the estimated selling costs.

Loans considered to be troubled debt restructurings (“TDRs”) are loans that have their terms restructured (e.g., interest rates, loan maturity date, payment and amortization period, etc.) in circumstances that provide payment relief to a borrower experiencing financial difficulty. All restructured collateral-dependent loans are individually assessed for allowance for credit losses and may either be in accruing or non-accruing status. Non-accruing restructured loans may return to accruing status provided doubt has been removed concerning the collectability of principal and interest as evidenced by a sufficient period of payment performance in accordance with the restructured terms. Loans may be removed from the restructured category if the borrower is no longer experiencing financial difficulty, a re-underwriting event took place and the revised loan terms of the subsequent restructuring agreement are considered to be consistent with terms that can be obtained in the credit market for loans with comparable risk.

In March 2020, the CARES Act was signed into law and provided financial institutions the option to temporarily suspend certain requirements under GAAP related to TDRs for a limited period of time during the COVID-19 pandemic. In April 2020, the federal regulatory agencies issued a joint statement that provided further guidance on loan modifications related to COVID-19. The CARES Act provides for extensions of up to 180 days in the delay of loan principal and/or interest payments for customers who are affected by the COVID-19 pandemic. These customers must meet certain criteria, such as they were in good standing and not more than 30 days past due prior to the pandemic, as well as other requirements noted in the regulatory agencies’ revised statement. Based on the guidance noted above, the Company does not classify the COVID-19 loan modifications as TDRs, nor are the customers considered past due with regards to their delayed payments. Upon exiting the loan modification deferral program, the measurement of loan delinquency will resume where it left off upon entry into the program.

In response to the COVID-19 pandemic, the Company developed a set of guidelines to provide relief to qualified commercial and mortgage/consumer loans customers. These guidelines, as permitted by the CARES Act, provide for deferment of certain loan payments of up to 180 days to provide relief to qualified commercial, mortgage and consumer loan customers. Initial deferrals of 90 days were granted to qualified customers with the option to request a second deferral for an additional 90 days. The Company granted initial approvals for payment deferrals on over 2,400 loans with an aggregate balance of $2.0 billion. At September 30, 2020, loans with payment accommodation amounted to $562 million or 5% of the total loan portfolio. Commercial loans comprised $507 million or 90% of the total accommodations at September 30, 2020. At September 30, 2020, the amount of loans granted a second deferral period amounted to $465 million. Applying the stipulated criteria, at September 30, 2020, the Company has approved and funded over 5,400 loans for a total of $1.1 billion in PPP loans to businesses. Loans originated under the program are 100% guaranteed by the Small Business Administration under the provisions of the CARES Act.

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The Company may extend the maturity of a performing or current loan that may have some inherent weakness associated with the loan. However, the Company generally follows a policy of not extending maturities on non-performing loans under existing terms. Maturity date extensions only occur under revised terms that clearly place the Company in a position to increase the likelihood of or assure full collection of the loan under the contractual terms and/or terms at the time of the extension that may eliminate or mitigate the inherent weakness in the loan. These terms may incorporate, but are not limited to additional assignment of collateral, significant balance curtailments/liquidations and assignments of additional project cash flows. Guarantees may be a consideration in the extension of loan maturities. As a general matter, the Company does not view the extension of a loan to be a satisfactory approach to resolving non-performing credits. On an exception basis, certain performing loans that have displayed some inherent weakness in the underlying collateral values, an inability to comply with certain loan covenants which are not affecting the performance of the credit or other identified weakness may be extended.

The Company typically sells a substantial portion of its fixed-rate residential mortgage originations in the secondary mortgage market. Concurrent with such sales, the Company is required to make customary representations and warranties to the purchasers about the mortgage loans and the manner in which they were originated. The related sale agreements grant the purchasers recourse back to the Company, which could require the Company to repurchase loans or to share in any losses incurred by the purchasers. This recourse exposure typically extends for a period of six to twelve months after the sale of the loan although the time frame for repurchase requests can extend for an indefinite period. Such transactions could be due to a number of causes including borrower fraud or early payment default. The Company has seen a very limited number of repurchase and indemnity demands from purchasers for such events and routinely monitors its exposure in this regard. The Company maintains a liability of $0.6 million for possible losses due to repurchases.

The Company periodically engages in whole loan sale transactions of its residential mortgage loans as a part its interest rate risk management strategy. There were no whole loan sales of mortgage loans from the portfolio during the current year.

Mortgage loan servicing rights are accounted for at amortized cost and are monitored for impairment on an ongoing basis. The amortized cost of the Company's mortgage loan servicing rights was $0.7 million at September 30, 2020 compared to $0.8 million at December 31, 2019.

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Analysis of Credit Risk

The following table presents information with respect to non-performing assets and 90-day delinquencies for the periods indicated:

(Dollars in thousands)	September 30, 2020			December 31, 2019
Non-accrual loans:
Commercial real estate:
Commercial investor real estate	$	26,784		$	8,437
Commercial owner-occupied real estate	6,511			4,148
Commercial AD&C	1,678			829
Commercial business	17,659			8,450
Residential real estate:
Residential mortgage	11,296			12,661
Residential construction	—			—
Consumer	7,493			4,107
Total non-accrual loans	71,421			38,632
Loans 90 days past due:
Commercial real estate:
Commercial investor real estate	—			—
Commercial owner-occupied real estate	—			—
Commercial AD&C	—			—
Commercial business	93			—
Residential real estate:
Residential mortgage	320			—
Residential construction	—			—
Consumer	1			—
Total 90 days past due loans	414			—
Restructured loans (accruing)	2,854			2,636
Total non-performing loans	74,689			41,268
Other real estate owned, net	1,389			1,482
Total non-performing assets	$	76,078		$	42,750
Non-performing loans to total loans	0.72		%	0.62		%
Non-performing assets to total assets	0.60		%	0.50		%
Allowance for credit losses to non-performing loans	228.03		%	136.02		%

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The following table discloses information on the credit quality of originated loans, acquired Revere loans and total loans:

	September 30, 2020
(Dollars in thousands)	Originated  Loans			Revere Acquired  Loans			Total  Loans
Performing loans:
Current	$	7,951,458		$	2,270,093		$	10,221,551
30-59 days	16,663			13,525			30,188
60-89 days	3,526			3,981			7,507
Total performing loans	7,971,647			2,287,599			10,259,246
Non-performing loans:
Non-accrual loans	60,135			11,286			71,421
Loans greater than 90 days past due	321			93			414
Restructured loans	2,854			—			2,854
Total non-performing loans	63,310			11,379			74,689
Total loans	$	8,034,957		$	2,298,978		$	10,333,935
Non-performing loans to total loans	0.79		%	0.49		%	0.72		%
Allowance for credit losses to non-performing loans	192.87		%	423.64		%	228.03		%

Allowance for Credit Losses

The allowance for credit losses represents management’s estimate of the portion of the Company’s loans’ amortized cost basis not expected to be collected over the loans’ contractual life. As a part of the credit oversight and review process, the Company maintains an allowance for credit losses (the “allowance”). The following allowance section should be read in conjunction with “Allowance for Credit Losses” section in Note 1 – Significant Accounting Policies in the Notes to the Condensed Consolidated Financial Statements. The Company excludes accrued interest from the measurement of the allowance as the Company has a non-accrual policy to reverse any accrued, uncollected interest income when loans are placed on non-accrual status.

The adequacy of the allowance is determined through ongoing evaluation of the credit portfolio, and involves consideration of a number of factors. Determination of the allowance is inherently subjective and requires significant estimates, including consideration of current conditions and future economic forecasts, which may be susceptible to significant volatility. The amount of expected losses can vary significantly from the amounts actually observed. Loans deemed uncollectible are charged off against the allowance, while recoveries are credited to the allowance when received. Management adjusts the level of the allowance through the provision for credit losses in the Condensed Consolidated Statement of Income.

During the first quarter of 2020, the Company adopted ASC 326 “Financial Instruments – Credit Losses.” At the adoption date, the allowance for credit losses increased by $5.8 million or 10%. Included in this transition adjustment is the reclassification of $2.8 million to the allowance for credit losses of amounts related to the previously acquired impaired loans. The after-tax transition impact to retained earnings as a result of adopting the new standard was $2.2 million.

The provision for credit losses totaled $90.2 million for the nine months ended September 30, 2020 compared to a provision of $3.0 million for the same period in the prior year. During the current year, the provision for credit losses was significantly impacted by the negative projected impact of COVID-19 on specific forecasted economic metrics used in the Company’s CECL model. The forecasted economic metrics with the greatest impact in order of magnitude were, the expected future unemployment rate, the expected level of business bankruptcies and to a lesser degree, the house price index. These expectations were based on the assessment of the impact on the Company’s market area caused by the economic disruption. The portion of the $90.2 million provision directly attributable to the significant deterioration in the economic forecast amounted to approximately $59.3 million. In addition, as required by GAAP, the initial allowance for credit losses on Revere’s acquired non-PCD loans was recognized through provision for credit losses in the amount of $17.5 million. The remainder of the provision reflects the impact of changes in interest rates, existing terms, qualitative factors, portfolio composition and portfolio maturities. The acquisition of Revere’s PCD loans resulted in an increase to the allowance for credit losses of $18.6 million, which did not affect the current quarter’s provision expense.

At September 30, 2020, the allowance for credit losses was $170.3 million as compared to $56.1 million at December 31, 2019. The allowance for credit losses as a percent of total loans was 1.65% and 0.84% at September 30, 2020 and December 31,

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2019, respectively. The allowance for credit losses represented 228% of non-performing loans at September 30, 2020 as compared to 136% at December 31, 2019. The allowance attributable to the commercial portfolio represented 1.78% of total commercial loans while the portion attributable to total combined consumer and mortgage loans was 1.04%. With respect to the total commercial portion of the allowance, 38% of this portion is allocated to the commercial business loan portfolio, resulting in the ratio of the allowance for commercial business loans to total commercial business loans of 2.57%. A similar ratio with respect to AD&C loans was 1.89% at the end of the current quarter. Excluding the PPP loans, which do not have an associated allowance, the allowance for credit losses as percentage of total loans outstanding would be 1.84% and the ratio of the allowance for commercial business loans to total commercial business loans would be 4.91%.

The current methodology for assessing the appropriate allowance includes: (1) a collective quantified reserve that reflects the Company’s historical default and loss experience adjusted for expected economic conditions over a reasonable and supportable forecast period and the Company’s prepayment and curtailment rates, (2) collective qualitative factors that consider concentrations of the loan portfolio, expected changes to the economic forecasts, large lending relationships, early delinquencies, and factors related to credit administration, including, among others, loan-to-value ratios, borrowers’ risk rating and credit score migrations, and (3) individual allowances on collateral-dependent loans where borrowers are experiencing financial difficulty or where the Company determined that foreclosure is probable. Under the current methodology, the impact of the utilization of the historical default and loss experience results in 87% of the total allowance being attributable to the historical performance of the portfolio while 13% of the allowance is attributable to the collective qualitative factors applied to determine the allowance. The methodology used under previous accounting guidance in prior periods was dependent to a large degree on the application of qualitative factors which resulted in 85% of the total allowance being attributable to those qualitative factors with the remaining portion of the prior period’s allowance being dependent on historical loss experience.

The quantified collective portion of the allowance is determined by pooling loans into segments based on the similar risk characteristics of the underlying borrowers, in addition to consideration of collateral type, industry and business purpose of the loans. The Company selected two collective methodologies, the discounted cash flows and weighted average remaining life methodologies. Segments utilizing the discounted cash flow method are further sub-segmented based on the risk level (determined either by risk ratings or Beacon Scores). Collective calculation methodologies use the Company’s historical default and loss experience adjusted for future economic forecasts. The reasonable and supportable forecast period represents a two year economic outlook for the applicable economic variables. Following the end of the reasonable and supportable forecast period expected losses revert back to the historical mean over the next two years on a straight-line basis.

Economic variables which have the most significant impact on the allowance include:

•unemployment rate;

•number of business bankruptcies; and

•house price index.

The collective quantified component of the allowance is supplemented by a qualitative component to address various risk characteristics of the Company’s loan portfolio including:

•trends in early delinquencies;

•changes in the risk profile related to large loans in the portfolio;

•concentrations of loans to specific industry segments;

•expected changes in economic conditions;

•changes in the Company’s credit administration and loan portfolio management processes; and

•the quality of the Company’s credit risk identification processes.

The individual reserve assessment is applied to collateral dependent loans where borrowers are experiencing financial difficulty or when the Company determined that foreclosure is probable. The determination of the fair value of the collateral depends on whether a repayment of the loan is expected to be from the sale or the operation of the collateral. When repayment is expected from the operation of the collateral, the Company uses the present value of expected cash flows from the operation of the collateral as the fair value. When repayment of the loan is expected from the sale of the collateral the fair value of the collateral is based on an observable market price or the appraised value less estimated cost to sell. During the individual reserve assessment, management also considers the potential future changes in the value of the collateral over the remainder of the loan’s life. The balance of collateral-dependent loans individually assessed for the allowance was $56.1 million, with individual allowances of $8.3 million against those loans at September 30, 2020.

If an updated appraisal is received subsequent to the preliminary determination of an individual allowance or partial charge-off, and it is less than the initial appraisal used in the initial assessment, an additional individual allowance or charge-off is taken on the related credit. Partially charged-off loans are not written back up based on updated appraisals and always remain on non-

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accrual with any and all subsequent payments first applied to the remaining balance of the loan as principal reductions. No interest income is recognized on loans that have been partially charged-off.

A current appraisal on large loans is usually obtained if the appraisal on file is more than 12 months old and there has been a material change in market conditions, zoning, physical use or the adequacy of the collateral based on an internal evaluation. The Company’s policy is to strictly adhere to regulatory appraisal standards. If an appraisal is ordered, no more than a 30 day turnaround is requested from the appraiser, who is selected by Credit Administration from an approved appraiser list. After receipt of the updated appraisal, the assigned credit officer will recommend to the Chief Credit Officer whether an individual allowance or a charge-off should be taken. The Chief Credit Officer has the authority to approve an individual allowance or charge-off between monthly credit committee meetings to ensure that there are no significant time lapses during this process. The Company's borrowers are concentrated in nine counties in Maryland, three counties in Virginia and in Washington D.C. Excluding the PPP loans, commercial and residential mortgages, including home equity loans and lines, represented 87% of total loans at both September 30, 2020 and December 31, 2019. Certain loan terms may create concentrations of credit risk and increase the Company’s exposure to loss. These include terms that permit the deferral of principal payments or payments that are smaller than normal interest accruals (negative amortization); loans with high loan-to-value ratios; loans, such as option adjustable-rate mortgages, that may expose the borrower to future increases in repayments that are in excess of increases that would result solely from increases in market interest rates; and interest-only loans. The Company does not make loans that provide for negative amortization or option adjustable-rate mortgages.

Summary of Loan Credit Loss Experience

The following table presents the activity in the allowance for credit losses for the periods indicated:

	Nine Months Ended			Year Ended
(Dollars in thousands)	September 30, 2020			December 31, 2019
Balance, January 1	$	56,132		$	53,486
Initial allowance on PCD loans at adoption of ASC 326	2,762			—
Transition impact of adopting ASC 326	2,983			—
Initial allowance on acquired Revere PCD loans	18,628			—
Provision for credit losses	90,158			4,684
Loan charge-offs:
Commercial real estate:
Commercial investor real estate	(23)			—
Commercial owner-occupied real estate	—			—
Commercial AD&C	—			—
Commercial business	(429)			(1,195)
Residential real estate:
Residential mortgage	(420)			(690)
Residential construction	—			—
Consumer	(383)			(783)
Total charge-offs	(1,255)			(2,668)
Loan recoveries:
Commercial real estate:
Commercial investor real estate	6			16
Commercial owner-occupied real estate	—			—
Commercial AD&C	—			228
Commercial business	696			49
Residential real estate:
Residential mortgage	78			138
Residential construction	5			8
Consumer	121			191
Total recoveries	906			630
Net charge-offs	(349)			(2,038)
Balance, period end	$	170,314		$	56,132
Net charge-offs to average loans	0.01		%	0.03		%
Allowance for credit losses to loans	1.65		%	0.84		%

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The following table discloses information on allowance for credit losses and allowance ratios for originated loans and Revere acquired non-PCD and PCD loans:

	September 30, 2020
					Revere acquired loans
	Originated Loans				Non-PCD				PCD				Total Loans
(Dollars in thousands)	Allowance		Reserve Ratio		Allowance		Reserve Ratio		Allowance		Reserve Ratio		Allowance		Reserve Ratio
Commercial real estate:
Commercial investor real estate	$	37,117	1.47	%	$	8,434	1.39	%	$	9,685	2.13	%	$	55,236	1.54	%
Commercial owner-occupied real estate	13,775		1.10		2,588		1.09		3,290		1.98		19,653		1.19
Commercial AD&C	13,748		1.92		3,608		1.82		1,435		1.82		18,791		1.89
Commercial business	40,410		2.16		7,876		4.44		8,873		4.97		57,159		2.57
Residential real estate:
Residential mortgage	10,895		1.00		799		1.05		217		2.06		11,911		1.01
Residential construction	1,430		0.84		28		0.86		6		0.86		1,464		0.84
Consumer	4,733		1.15		1,192		1.20		175		1.87		6,100		1.17
Total loans	$	122,108	1.52		$	24,525	1.75		$	23,681	2.64		$	170,314	1.65

Market Risk Management

The Company's net income is largely dependent on its net interest income. Net interest income is susceptible to interest rate risk to the extent that interest-bearing liabilities mature or re-price on a different basis than interest-earning assets. When interest-bearing liabilities mature or re-price more quickly than interest-earning assets in a given period, a significant increase in market rates of interest could adversely affect net interest income. Similarly, when interest-earning assets mature or re-price more quickly than interest-bearing liabilities, falling interest rates could result in a decrease in net interest income. Net interest income is also affected by changes in the portion of interest-earning assets that are funded by interest-bearing liabilities rather than by other sources of funds, such as noninterest-bearing deposits and stockholders' equity.

The Company’s interest rate risk management goals are (1) to increase net interest income at a growth rate consistent with the growth rate of total assets, and (2) to minimize fluctuations in net interest income as a percentage of interest-earning assets. Management attempts to achieve these goals by balancing, within policy limits, the volume of floating-rate liabilities with a similar volume of floating-rate assets; by keeping the average maturity of fixed-rate asset and liability contracts reasonably matched; by maintaining a pool of administered core deposits; and by adjusting pricing rates to market conditions on a continuing basis.

The Company’s board of directors has established a comprehensive interest rate risk management policy, which is administered by management’s Asset Liability Management Committee (“ALCO”). The policy establishes limits on risk, which are quantitative measures of the percentage change in net interest income (a measure of net interest income or “NII” at risk) and the fair value of equity capital (a measure of economic value of equity or “EVE” at risk) resulting from a hypothetical change in U.S. Treasury interest rates for maturities from one day to thirty years. The Company measures the potential adverse impacts that changing interest rates may have on its short-term earnings, long-term value, and liquidity by employing simulation analysis through the use of computer modeling. The simulation model captures optionality factors such as call features and interest rate caps and floors embedded in investment and loan portfolio contracts. As with any method of gauging interest rate risk, there are certain shortcomings inherent in the interest rate modeling methodology used by the Company. When interest rates change, actual movements in different categories of interest-earning assets and interest-bearing liabilities, loan prepayments, and withdrawals of time and other deposits, may deviate significantly from assumptions used in the model. As an example, certain types of money market deposit accounts are assumed to reprice at 40 to 100% of the interest rate change in each of the up rate shock scenarios even though this is not a contractual requirement. As a practical matter, management would likely lag the impact of any upward movement in market rates on these accounts as a mechanism to manage the Company's net interest margin. Finally, the methodology does not measure or reflect the impact that higher rates may have on adjustable-rate loan customers’ ability to service their debts, or the impact of rate changes on demand for loan and deposit products.

The Company prepares a current base case and multiple alternative simulations at least once per quarter and reports the analysis to the board of directors. In addition, more frequent forecasts are produced when interest rates are particularly uncertain or when other business conditions so dictate.

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The statement of condition is subject to quarterly testing for eight alternative interest rate shock possibilities to indicate the inherent interest rate risk. Average interest rates are shocked by +/- 100, 200, 300, and 400 basis points (“bp”), although the Company may elect not to use particular scenarios that it determines are impractical in a current rate environment. It is management’s goal to structure the statement of condition so that net interest income at risk over a twelve-month period and the economic value of equity at risk do not exceed policy guidelines at the various interest rate shock levels.

The Company augments its quarterly interest rate shock analysis with alternative external interest rate scenarios on a monthly basis. These alternative interest rate scenarios may include non-parallel rate ramps and non-parallel yield curve twists. If a measure of risk produced by the alternative simulations of the entire statement of condition violates policy guidelines, ALCO is required to develop a plan to restore the measure of risk to a level that complies with policy limits within two quarters.

Measures of net interest income at risk produced by simulation analysis are indicators of an institution’s short-term performance in alternative rate environments. These measures are typically based upon a relatively brief period, usually one year. They do not necessarily indicate the long-term prospects or economic value of the institution.

Estimated Changes in Net Interest Income
Change in Interest Rates:	+ 400 bp	+ 300 bp	+ 200 bp	+ 100 bp	- 100 bp	- 200 bp	-300 bp	-400 bp
Policy Limit	23.50%	17.50%	15.00%	10.00%	10.00%	15.00%	17.50%	23.50%
September 30, 2020	7.56%	5.65%	3.90%	1.70%	N/A	N/A	N/A	N/A
December 31, 2019	11.26%	8.71%	6.06%	3.06%	(3.47%)	N/A	N/A	N/A

The impact of these various interest movements on net interest income are reflected in the preceding table. At September 30, 2020, further interest rate declines are improbable due to the low level of existing market rates. As reflected in the table, in a rising interest rate environment, net interest income sensitivity decreased compared to December 31, 2019. The change in the net interest income at risk resulted from decreased asset sensitivity due to the impact of shorter loan durations, and the repricing of deposits. All measures remained well within prescribed policy limits.

The measures of equity value at risk indicate the ongoing economic value of the Company by considering the effects of changes in interest rates on all of the Company’s cash flows, and by discounting the cash flows to estimate the present value of assets and liabilities. The difference between these discounted values of the assets and liabilities is the economic value of equity, which, in theory, approximates the fair value of the Company’s net assets.

Estimated Changes in Economic Value of Equity
Change in Interest Rates:	+ 400 bp	+ 300 bp	+ 200 bp	+ 100 bp	- 100 bp	- 200 bp	-300 bp	-400 bp
Policy Limit	35.00%	25.00%	20.00%	10.00%	10.00%	20.00%	25.00%	35.00%
September 30, 2020	(9.72%)	(5.17%)	(1.08%)	1.05%	N/A	N/A	N/A	N/A
December 31, 2019	(9.13%)	(5.54%)	(2.34%)	(0.06%)	(0.95%)	N/A	N/A	N/A

Overall, the measure of the EVE at risk decreased in most rising rate scenarios from December 31, 2019 to September 30, 2020. The decline in EVE in most of the rising rate scenarios is the result of the combination of shorter loan durations that declined with the inclusion of Revere’s portfolio and inclusion of the PPP program, coupled with the lower deposit duration.

Liquidity Management

Liquidity is measured by a financial institution's ability to raise funds through loan repayments, maturing investments, deposit growth, borrowed funds, capital and the sale of highly marketable assets such as investment securities and residential mortgage loans. In assessing liquidity, management considers operating requirements, the seasonality of deposit flows, investment, loan and deposit maturities and calls, expected funding of loans and deposit withdrawals, and the market values of available-for-sale investments, so that sufficient funds are available on short notice to meet obligations as they arise and to ensure that the Company is able to pursue new business opportunities. The Company's liquidity position, considering both internal and external sources available, exceeded anticipated short-term and long-term needs at September 30, 2020.

Liquidity is measured using an approach designed to take into account core deposits, in addition to factors already discussed above. Management considers core deposits, defined to include all deposits other than brokered and outsourced deposits and certain time deposits of $250 thousand or more, to be a relatively stable funding source. Core deposits equaled 76% of total interest-earning assets at September 30, 2020. The Company’s growth and mortgage banking activities are also additional considerations when evaluating liquidity requirements. Also considered are changes in the liquidity of the investment portfolio

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due to fluctuations in interest rates. Under this approach, implemented by the Funding and Liquidity Subcommittee of ALCO under formal policy guidelines, the Company’s liquidity position is measured weekly, looking forward at thirty day intervals from thirty (30) to three hundred sixty (360) days. The measurement is based upon the projection of funds sold or purchased position, along with ratios and trends developed to measure dependence on purchased funds and core growth. At September 30, 2020, the Company’s liquidity and funds availability provides it with flexibility in funding loan demand and other liquidity demands.

The Company also has external sources of funds available that can be drawn upon when required. The main sources of external liquidity are available lines of credit with the FHLB and the Federal Reserve Bank. The line of credit with the FHLB totaled $2.3 billion, all of which was available for borrowing based on pledged collateral, with $444.2 million borrowed against it as of September 30, 2020. The secured lines of credit at the Federal Reserve Bank and correspondent banks totaled $366.5 million, all of which was available for borrowing based on pledged collateral, with no borrowings against it as of September 30, 2020. In addition, the Company had unsecured lines of credit with correspondent banks of $780.0 million at September 30, 2020. At September 30, 2020, there was $70.0 million outstanding borrowings against these lines of credit. At September 30, 2020 the Company had $250.4 million outstanding under the PPPLF. These funds are secured by guaranteed loans originated under the PPP program. At September 30, 2020, the Company had borrowing availability under the PPPLF of $837.7 million. Based upon its liquidity analysis, including external sources of liquidity available, management believes the liquidity position was appropriate at September 30, 2020.

The parent company (“Bancorp”) is a separate legal entity from the Bank and must provide for its own liquidity. In addition to its operating expenses, Bancorp is responsible for paying any dividends declared to its common shareholders and interest and principal on outstanding debt. Bancorp’s primary source of income is dividends received from the Bank. The amount of dividends that the Bank may declare and pay to Bancorp in any calendar year, without the receipt of prior approval from the Federal Reserve Bank, cannot exceed net income for that year to date period plus retained net income (as defined) for the preceding two calendar years. Based on this requirement, as of September 30, 2020, the Bank could have declared a dividend of $145 million to Bancorp. At September 30, 2020, Bancorp had liquid assets of $51.5 million.

Arrangements to fund credit products or guarantee financing take the form of loan commitments (including lines of credit on revolving credit structures) and letters of credit. Approvals for these arrangements are obtained in the same manner as loans. Generally, cash flows, collateral value and risk assessment are considered when determining the amount and structure of credit arrangements.

Commitments to extend credit in the form of consumer, commercial real estate and business at the dates indicated were as follows:

(In thousands)	September 30, 2020		December 31, 2019
Commercial real estate development and construction	$	834,164	$	571,368
Residential real estate-development and construction	84,281		89,224
Real estate-residential mortgage	302,998		74,282
Lines of credit, principally home equity and business lines	1,952,443		1,400,038
Standby letters of credit	68,561		62,065
Total commitments to extend credit and available credit lines	$	3,242,447	$	2,196,977

Commitments to extend credit are agreements to provide financing to a customer with the provision that there are no violations of any condition established in the agreement. Commitments generally have interest rates determined by current market rates, expiration dates or other termination clauses and may require payment of a fee. Lines of credit typically represent unused portions of lines of credit that were provided and remain available as long as customers comply with the requisite contractual conditions. Commitments to extend credit are evaluated, processed and/or renewed regularly on a case by case basis, as part of the credit management process. The total commitment amount or line of credit amounts do not necessarily represent future cash requirements, as it is highly unlikely that all customers would draw on their lines of credit in full at one time.

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Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

See “Financial Condition - Market Risk Management” in Management’s Discussion and Analysis of Financial Condition and Results of Operations, above, which is incorporated herein by reference.

Item 4. CONTROLS AND PROCEDURES

The Company’s management, under the supervision and with the participation of the Company’s Chief Executive Officer and Chief Financial Officer, evaluated as of the last day of the period covered by this report, the effectiveness of the design and operation of the Company’s disclosure controls and procedures, as defined in Rule 13a-15 under the Securities Exchange Act of 1934. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective. There were no changes in the Company’s internal controls over financial reporting (as defined in Rule 13a-15 under the Securities Act of 1934) during the three months ended September 30, 2020 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

74

PART II - OTHER INFORMATION

Item 1. Legal Proceedings

In the normal course of business, the Company becomes involved in litigation arising from the banking, financial and other activities it conducts. Management, after consultation with legal counsel, does not anticipate that the ultimate liability, if any, arising from these matters will have a material effect on the Company’s financial condition, operating results or liquidity.

Item 1A. Risk Factors

There have been no material changes in the risk factors as discussed in the Company's Annual Report on Form 10-K for the year ended December 31, 2019 and Quarterly Reports on Form 10-Q for the quarters ended March 31, 2020 and June 30, 2020.

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

In December 2018, the Company’s Board of Directors authorized the repurchase of up to 1,800,000 shares of common stock. For the nine months ended September 30, 2020, the Company repurchased and retired 820,328 shares of its common stock at an average price of $31.33 per share. The Company did not repurchase shares during the three months ended September 30, 2020. Cumulatively under the program, as of September 30, 2020, the Company has repurchased and retired 1,488,519 shares of its common stock at an average price of $33.58 per share.

Item 3. Defaults Upon Senior Securities – None

Item 4. Mine Safety Disclosures – Not applicable

Item 5. Other Information - None

Item 6. Exhibits

Exhibit 31(a)	Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a)
Exhibit 31(b)	Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)
Exhibit 32(a)	Certification of Chief Executive Officer pursuant to 18 U.S. Section 1350
Exhibit 32(b)	Certification of Chief Financial Officer pursuant to 18 U.S. Section 1350
Exhibit 101.SCH	XBRL Taxonomy Extension Schema Document
Exhibit 101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
Exhibit 101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
Exhibit 101.LAB	XBRL Taxonomy Extension Label Linkbase Document
Exhibit 101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document
Exhibit 104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

75

Signatures

Pursuant to the requirements of Section 13 of the Securities Exchange Act of 1934, the Registrant has duly caused this quarterly report to be signed on its behalf by the undersigned, thereunto duly authorized.

SANDY SPRING BANCORP, INC.

(Registrant)

By: /s/ Daniel J. Schrider

Daniel J. Schrider

President and Chief Executive Officer

Date: November 6, 2020

By: /s/ Philip J. Mantua

Philip J. Mantua

Executive Vice President and Chief Financial Officer

Date: November 6, 2020

76

EX-31.1A

Exhibit 31 (a)

CERTIFICATION

Rule 13a-14(a) / 15d-14(a) Certifications

I, Daniel J. Schrider, Chief Executive Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that:

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

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

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

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

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

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

c)Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based upon 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 that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

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

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

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

Date: November 6, 2020	/s/ Daniel J. Schrider
	Daniel J. Schrider
	President and
	Chief Executive Officer

EX-31.1B

Exhibit 31 (b)

CERTIFICATION

I, Philip J. Mantua, Executive Vice President and Chief Financial Officer of Sandy Spring Bancorp, Inc. (“Bancorp”), certify that:

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

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

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

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

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

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

c.Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based upon 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 that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

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

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

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

Date: November 6, 2020	/s/ Philip J. Mantua
	Philip J. Mantua
	Executive Vice President and
	Chief Financial Officer

EX-32.A

Exhibit 32 (a)

18 U.S.C. Section 1350 Certification

I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended September 30, 2020, fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and that the information contained in this Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Bancorp.

By:	/s/ Daniel J. Schrider
	Daniel J. Schrider
	President and Chief Executive Officer
	Date: November 6, 2020

EX-32.B

Exhibit 32 (b)

18 U.S.C. Section 1350 Certification

I hereby certify pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that the accompanying Form 10-Q of Sandy Spring Bancorp, Inc. (“Bancorp”) for the quarterly period ended September 30, 2020, fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and that the information contained in this Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Bancorp.

By:	/s/ Philip J. Mantua
	Philip J. Mantua
	Executive Vice President and Chief Financial Officer
	Date: November 6, 2020

XML

Cover - shares	9 Months Ended
	Sep. 30, 2020	Nov. 04, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2020
Document Transition Report	false
Entity File Number	0-19065
Entity Registrant Name	SANDY SPRING BANCORP, INC.
Entity Incorporation State Country Code	MD
Entity Tax Identification Number	52-1532952
Entity Address Address Line1	17801 Georgia Avenue
Entity Address City Or Town	Olney
Entity Address State Or Province	MD
Entity Address Postal Zip Code	20832
City Area Code	301
Local Phone Number	774-6400
Security 12b Title	Common Stock, par value $1.00 per share
Trading Symbol	SASR
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock Shares Outstanding (in shares)		47,040,422
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Entity Central Index Key	0000824410
Current Fiscal Year End Date	--12-31

XML

CONDENSED CONSOLIDATED STATEMENTS OF CONDITION - UNAUDITED - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets:
Cash and due from banks	$ 107,364	$ 82,469
Federal funds sold	390	208
Interest-bearing deposits with banks	117,129	63,426
Cash and cash equivalents	224,883	146,103
Residential mortgage loans held for sale (at fair value)	88,728	53,701
Investments available-for-sale (at fair value)	1,357,205	1,073,333
Equity securities	68,528	51,803
Total loans	10,333,935	6,705,232
Less: allowance for credit losses	(170,314)	(56,132)
Net loans	10,163,621	6,649,100
Premises and equipment, net	58,738	58,615
Other real estate owned	1,389	1,482
Accrued interest receivable	48,176	23,282
Goodwill	370,549	347,149
Other intangible assets, net	34,175	7,841
Other assets	262,139	216,593
Total assets	12,678,131	8,629,002
Liabilities:
Noninterest-bearing deposits	3,458,804	1,892,052
Interest-bearing deposits	6,506,165	4,548,267
Total deposits	9,964,969	6,440,319
Securities sold under retail repurchase agreements and federal funds purchased	462,706	213,605
Advances from FHLB	444,210	513,777
Subordinated debt	230,300	209,406
Total borrowings	1,137,216	936,788
Accrued interest payable and other liabilities	151,197	118,921
Total liabilities	11,253,382	7,496,028
Stockholders' equity:
Common stock	47,026	34,970
Additional paid in capital	845,399	586,622
Retained earnings	514,831	515,714
Accumulated other comprehensive income/ (loss)	17,493	(4,332)
Total stockholders' equity	1,424,749	1,132,974
Total liabilities and stockholders' equity	$ 12,678,131	$ 8,629,002

XML

CONDENSED CONSOLIDATED STATEMENTS OF CONDITION - UNAUDITED - (Parenthetical) - $ / shares	Sep. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	47,025,779	34,970,370
Common stock, shares outstanding (in shares)	47,025,779	34,970,370

XML

CONDENSED CONSOLIDATED STATEMENTS OF INCOME - UNAUDITED - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest income:
Interest and fees on loans	$ 106,560	$ 79,167	$ 288,721	$ 239,028
Interest on loans held for sale	398	572	1,094	1,145
Interest on deposits with banks	84	783	419	1,405
Interest and dividends on investment securities:
Taxable for federal income taxes	4,488	5,221	17,270	16,302
Exempt from federal income taxes	1,454	1,337	4,264	4,591
Interest on federal funds sold	0	2	1	8
Total interest income	112,984	87,082	311,769	262,479
Interest expense:
Interest on deposits	9,439	16,332	35,241	46,958
Interest on retail repurchase agreements and federal funds purchased	551	257	1,731	945
Interest on advances from FHLB	2,841	3,222	3,863	13,389
Interest on subordinated debt	2,669	481	7,602	1,462
Total interest expense	15,500	20,292	48,437	62,754
Net interest income	97,484	66,790	263,332	199,725
Provision for credit losses	7,003	1,524	90,158	3,029
Net interest income after provision for credit losses	90,481	65,266	173,174	196,696
Investment securities gains	51	15	432	20
Insurance agency commissions	2,122	2,116	5,439	5,281
Income from bank owned life insurance	708	662	2,162	2,505
Other income	1,418	1,901	5,276	6,037
Total non-interest income	29,390	18,573	70,482	52,098
Non-interest expense:
Salaries and employee benefits	36,041	26,234	98,391	77,699
Occupancy expense of premises	5,575	4,816	16,147	14,807
Equipment expense	3,133	2,641	9,103	7,929
Marketing	1,305	1,541	3,223	3,371
Outside data services	2,614	1,973	6,365	5,713
FDIC insurance	1,340	(83)	3,200	2,137
Amortization of intangible assets	1,968	491	4,566	1,465
Merger and acquisition expense	1,263	364	25,171	364
Professional fees and services	1,800	1,546	5,466	4,425
Other expenses	5,898	5,402	22,489	15,094
Total non-interest expense	60,937	44,925	194,121	133,004
Income before income taxes	58,934	38,914	49,535	115,790
Income tax expense	14,292	9,531	9,244	27,814
Net income	$ 44,642	$ 29,383	$ 40,291	$ 87,976
Per share information:
Basic net income per common share (in dollars per share)	$ 0.94	$ 0.82	$ 0.93	$ 2.46
Diluted net income per common share (in dollars per share)	0.94	0.82	0.93	2.45
Dividends declared per share (in dollars per share)	$ 0.30	$ 0.30	$ 0.90	$ 0.88
Service charges on deposit accounts
Fees and Commissions, Mortgage Banking and Servicing	$ 1,673	$ 2,516	$ 5,149	$ 7,265
Mortgage banking activities
Fees and Commissions, Mortgage Banking and Servicing	14,108	4,408	25,567	10,541
Wealth management income
Fees and Commissions, Mortgage Banking and Servicing	7,785	5,493	22,355	16,268
Bank card fees
Fees and Commissions, Mortgage Banking and Servicing	$ 1,525	$ 1,462	$ 4,102	$ 4,181

XML

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - UNAUDITED - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 44,642	$ 29,383	$ 40,291	$ 87,976
Investments available-for-sale:
Net change in unrealized gains on investments available-for-sale	3,445	912	29,074	16,893
Related income tax expense	(909)	(239)	(7,424)	(4,418)
Net investment gains reclassified into earnings	(51)	(15)	(432)	(20)
Related income tax expense	13	4	110	5
Net effect on other comprehensive income for the period	2,498	662	21,328	12,460
Defined benefit pension plan:
Recognition of unrealized loss	219	264	656	794
Related income tax benefit	(48)	(69)	(159)	(208)
Net effect on other comprehensive income for the period	171	195	497	586
Total other comprehensive income	2,669	857	21,825	13,046
Comprehensive income	$ 47,311	$ 30,240	$ 62,116	$ 101,022

XML

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - UNAUDITED - USD ($) $ in Thousands	Total	Revision of Prior Period, Accounting Standards Update, Adjustment	Common Stock	Additional Paid-In Capital	Retained Earnings	Retained Earnings Revision of Prior Period, Accounting Standards Update, Adjustment	Accumulated Other Comprehensive Income/ (Loss)
Balance at beginning of period at Dec. 31, 2018	$ 1,067,903		$ 35,531	$ 606,573	$ 441,553		$ (15,754)
Net income	87,976				87,976
Other comprehensive income, net of tax	13,046						13,046
Total comprehensive income	101,022
Common stock dividends	(31,509)				(31,509)
Stock compensation expense	2,259			2,259
Stock option plan	259		12	247
Director's stock purchase plan	30		1	29
Employee stock purchase plan	779		27	752
Restricted stock, net	(702)		55	(757)
Balance at end of period at Sep. 30, 2019	1,140,041		35,626	609,103	498,020		(2,708)
Balance at beginning of period at Jun. 30, 2019	1,119,445		35,615	608,006	479,389		(3,565)
Net income	29,383				29,383
Other comprehensive income, net of tax	857						857
Total comprehensive income	30,240
Common stock dividends	(10,752)				(10,752)
Stock compensation expense	786			786
Stock option plan	35		1	34
Employee stock purchase plan	287		10	277
Balance at end of period at Sep. 30, 2019	1,140,041		35,626	609,103	498,020		(2,708)
Balance at beginning of period at Dec. 31, 2019	1,132,974		34,970	586,622	515,714		(4,332)
Net income	40,291				40,291		0
Other comprehensive income, net of tax	21,825						21,825
Total comprehensive income	62,116
Common stock dividends	(38,953)				(38,953)
Stock compensation expense	2,824			2,824	0
Revere Bank acquisition	289,089		12,769	276,320
Stock option plan	165		11	154
Conversion of Revere stock options	3,611		0	3,611
Employee stock purchase plan	1,309		50	1,259
Restricted stock, net	(463)		46	(509)
Adoption of ASC 326 - Financial Instruments - Credit Losses		$ (2,221)				$ (2,221)
Repurchase of common stock - 820,328 shares	(25,702)		(820)	(24,882)
Balance at end of period at Sep. 30, 2020	1,424,749		47,026	845,399	514,831		17,493
Balance at beginning of period at Jun. 30, 2020	1,390,093		47,001	843,876	484,392		14,824
Net income	44,642				44,642
Other comprehensive income, net of tax	2,669						2,669
Total comprehensive income	47,311
Common stock dividends	(14,205)				(14,205)
Stock compensation expense	1,032			1,032
Stock option plan	18		2	16
Employee stock purchase plan	524		21	503
Restricted stock, net	(26)		2	(28)
Adoption of ASC 326 - Financial Instruments - Credit Losses		$ 2				$ 2
Balance at end of period at Sep. 30, 2020	$ 1,424,749		$ 47,026	$ 845,399	$ 514,831		$ 17,493
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member

XML

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - UNAUDITED - (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]
Common stock dividends (in dollars per share)	$ 0.30	$ 0.30	$ 0.90	$ 0.88
Stock issued during period (in shares)			12,768,949
Stock option plan (in shares)	1,575	1,325	10,213	12,222
Conversion of Revere stock options (in shares)			395,298
Employee stock purchase plan (in shares)	21,374	9,544	50,189	27,210
Restricted stock (in shares)	1,808		46,386	54,789
Director stock purchase plan (in shares)				867
Stock repurchased and retired (in shares)			820,328

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Operating activities:
Net income	$ 44,642	$ 29,383	$ 40,291	$ 87,976
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization			14,915	10,006
Provision for credit losses	7,003	1,524	90,158	3,029	$ 4,684
Share based compensation expense			2,824	2,259
Tax (expense)/ benefit associated with share based compensation			(162)	75
Deferred income tax expense/ (benefit)			(22,965)	455
Origination of loans held for sale			(1,042,787)	(638,820)
Proceeds from sales of loans held for sale			1,025,610	590,997
Gains on sales of loans held for sale			(17,850)	(8,225)
Losses on sales of other real estate owned			32	173
Investment securities gains	(51)	(15)	(432)	(20)
Net (increase)/ decrease in accrued interest receivable			(17,243)	1,171
Net (increase)/ decrease in other assets			1,812	(3,997)
Net increase/ (decrease) in accrued expenses and other liabilities			5,173	(4,510)
Other – net			2,922	2,341
Net cash provided by operating activities			82,298	42,910
Investing activities:
(Purchases of)/ proceeds from other equity securities			(6,321)
(Purchases of)/ proceeds from other equity securities				21,451
Purchases of investments available-for-sale			(529,522)	(83,835)
Proceeds from sales of investments available-for-sale			121,357	0
Proceeds from maturities, calls and principal payments of investments available-for-sale			329,197	141,880
Net increase in loans			(1,107,824)	(25,327)
Proceeds from the sales of other real estate owned			60	324
Cash paid for the acquisition of business activity of RPJ, net of cash acquired			(26,925)	0
Cash acquired in the acquisition of business activity of Revere Bank, net of cash paid			80,466	0
Expenditures for premises and equipment			(3,399)	(4,269)
Net cash provided by/ (used in) investing activities			(1,142,911)	50,224
Financing activities:
Net increase in deposits			1,202,228	579,019
Net increase/ (decrease) in retail repurchase agreements and federal funds purchased			249,101	(201,421)
Proceeds from advances from FHLB			400,000	2,123,000
Repayment of advances from FHLB			(637,982)	(2,454,134)
Retirement of subordinated debt			(10,310)	0
Proceeds from issuance of common stock			1,474	1,068
Stock tendered for payment of withholding taxes			(463)	(702)
Repurchase of common stock			(25,702)	0
Dividends paid			(38,953)	(31,509)
Net cash provided by financing activities			1,139,393	15,321
Net increase in cash and cash equivalents			78,780	108,455
Cash and cash equivalents at beginning of period			146,103	101,481	101,481
Cash and cash equivalents at end of period	$ 224,883	$ 209,936	224,883	209,936	$ 146,103
Supplemental disclosures:
Interest payments			47,105	65,481
Income tax payments, net of refunds of $1,924 in 2020			28,099	23,417
Transfer from loans to other real estate owned			$ 0	$ 414

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - Parenthetical $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Statement of Cash Flows [Abstract]
Income tax refunds	$ 1,924

XML

SIGNIFICANT ACCOUNTING POLICIES

9 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

SIGNIFICANT ACCOUNTING POLICIES

SIGNIFICANT ACCOUNTING POLICIES

Nature of Operations

Sandy Spring Bancorp, Inc. ("Sandy Spring" or, together with its subsidiaries, the "Company"), a Maryland corporation, is the bank holding company for Sandy Spring Bank (the “Bank”). Independent and community-oriented, Sandy Spring Bank offers a broad range of commercial banking, retail banking, mortgage services and trust services throughout central Maryland, Northern Virginia, and the greater Washington, D.C. market. Sandy Spring Bank also offers a comprehensive menu of insurance and wealth management services through its subsidiaries, Sandy Spring Insurance Corporation (“Sandy Spring Insurance”), West Financial Services, Inc. (“West Financial”) and Rembert Pendleton Jackson (“RPJ”).

Basis of Presentation

The accounting and reporting policies of the Company conform to accounting principles generally accepted in the United States of America (“GAAP”), prevailing practices within the financial services industry for interim financial information and Rule 10-01 of Regulation S-X. Accordingly, the interim financial statements do not include all of the information and notes required for complete financial statements. The following summary of significant accounting policies of the Company is presented to assist the reader in understanding the financial and other data presented in this report. Operating results for the three and nine months ended September 30, 2020 are not necessarily indicative of the results that may be expected for any future periods or for the year ending December 31, 2020. In the opinion of management, all adjustments necessary for a fair presentation of the results of the interim periods have been included. Certain reclassifications have been made to prior period amounts, as necessary, to conform to the current period presentation. The Company has evaluated subsequent events through the date of the issuance of its financial statements.

These statements should be read in conjunction with the financial statements and accompanying notes included in the Company’s 2019 Annual Report on Form 10-K as filed with the Securities and Exchange Commission (“SEC”) on February 21, 2020. With the exception of the adoption of ASC 326 – Financial Instruments – Credit Losses, commonly referred to as Current Expected Credit Losses ("CECL") standard, during the first quarter of 2020, there have been no other significant changes to any of the Company’s accounting policies as disclosed in the 2019 Annual Report on Form 10-K.

Principles of Consolidation

The unaudited Condensed Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiary, Sandy Spring Bank, and its subsidiaries, Sandy Spring Insurance, West Financial and RPJ. Consolidation has resulted in the elimination of all intercompany accounts and transactions. See Note 18 for more information on the Company’s segments and consolidation.

Use of Estimates

The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements, in addition to affecting the reported amounts of revenues earned and expenses incurred during the reporting period. Actual results could differ from those estimates. Estimates that could change significantly relate to the provision for credit losses and the related allowance, potential impairment of goodwill or other intangible assets, valuation of investment securities and the determination of whether available-for-sale debt securities with fair values less than amortized costs are impaired and require an allowance for credit losses, valuation of other real estate owned, valuation of share based compensation, the assessment that a liability should be recognized with respect to any matters under litigation, the calculation of current and deferred income taxes, and the actuarial projections related to pension expense and the related liability.

Cash Flows

For purposes of reporting cash flows, cash and cash equivalents include cash and due from banks, federal funds sold and interest-bearing deposits with banks (items with stated original maturity of three months or less).

Revenue from Contracts with Customers

The Company’s revenue includes net interest income on financial instruments and non-interest income. Specific categories of revenue are presented in the Condensed Consolidated Statements of Income. Most of the Company’s revenue is not within the scope of Accounting Standard Codification (“ASC”) 606 – Revenue from Contracts with Customers. For revenue within the scope of ASC 606, the Company provides services to customers and has related performance obligations. The revenue from such services is recognized upon satisfaction of all contractual performance obligations. The following discusses key revenue streams within the scope of revenue recognition guidance.

Wealth Management Income

West Financial and RPJ provide comprehensive investment management and financial planning services. Wealth management income is comprised of income for providing trust, estate and investment management services. Trust services include acting as a trustee for corporate or personal trusts. Investment management services include investment management, record-keeping and reporting of security portfolios. Fees for these services are recognized based on a contractually-agreed fixed percentage applied to net assets under management at the end of each reporting period. The Company does not charge/recognize any performance-based fees.

Insurance Agency Commissions

Sandy Spring Insurance, a subsidiary of the Bank, performs the function of an insurance intermediary by introducing the policyholder and insurer and is compensated by a commission fee for placement of an insurance policy. Sandy Spring Insurance does not provide any captive management services or any claim handling services. Commission fees are set as a percentage of the premium for the insurance policy for which Sandy Spring Insurance is a producer. Sandy Spring Insurance recognizes revenue when the insurance policy has been contractually agreed to by the insurer and policyholder (at transaction date).

Service Charges on Deposit Accounts

Service charges on deposit accounts are earned on depository accounts for consumer and commercial account holders and include fees for account and overdraft services. Account services include fees for event-driven services and periodic account maintenance activities. An obligation for event-driven services is satisfied at the time of the event when service is delivered and revenue recognized as earned. Obligation for maintenance activities is satisfied over the course of each month and revenue is recognized at month end. The overdraft services obligation is satisfied at the time of the overdraft and revenue is recognized as earned.

Loan Financing Receivables

The Company’s financing receivables consist primarily of loans that are stated at their principal balance outstanding, net of any unearned income, acquisition fair value marks and deferred loan origination fees and costs. Interest income on loans is accrued at the contractual rate based on the principal balance outstanding. Loan origination fees, net of certain direct origination costs, are deferred and recognized as an adjustment of the related loan yield using the interest method.

The Company has provided short term deferrals of loan principal and/or interest payments up to 180 days for customers who are affected by the COVID-19 pandemic. Customers receiving payment deferrals must meet certain criteria, such as being in good standing and not more than 30 days past due prior to the pandemic. In most cases, the deferred principal and/or interest amounts will be collected at the end of the life of the loan and will not accrue additional interest. The granting of a deferral of principal and/or interest under the Coronavirus Aid, Relief, and Economic Security (“CARES”) Act does not subject the loan to the past due, non-accrual, or troubled debt restructurings (“TDR”) policies described below. The following discussions of past due, non-accrual, and TDR policies remain valid for situations not covered by the CARES Act.

Loans are considered past due or delinquent when the principal or interest due in accordance with the contractual terms of the loan agreement or any portion thereof remains unpaid after the due date of the scheduled payment. Immaterial shortfalls in payment amounts do not necessarily result in a loan being considered delinquent or past due. If any payments are past due and subsequent payments are resumed without payment of the delinquent amount, the loan shall continue to be considered past due. Whenever any loan is reported delinquent on a principal or interest payment or portion thereof, the amount reported as delinquent is the outstanding principal balance of the loan.

Loans, except for consumer installment loans, are placed into non-accrual status when any portion of the loan principal or interest becomes 90 days past due. Management may determine that certain circumstances warrant earlier discontinuance of interest accruals on specific loans if an evaluation of other relevant factors (such as bankruptcy, interruption of cash flows, etc.) indicates collection of amounts contractually due is unlikely. These loans are considered, collectively, to be non-performing loans. Consumer installment loans that are not secured by real estate are not placed on non-accrual, but are charged down to their net realizable value when they are four months past due. Loans designated as non-accrual have all previously accrued but unpaid interest reversed. Interest income is not recognized on non-accrual loans. All payments received on non-accrual loans are applied using a cost-recovery method to reduce the outstanding principal balance until the loan returns to accrual status. Loans may be returned to accrual status when all principal and interest amounts contractually due are brought current and future payments are reasonably assured.

Loans considered to be TDRs are loans that have their terms restructured (e.g., interest rates, loan maturity date, payment and amortization period, etc.) in circumstances that provide payment relief to a borrower experiencing financial difficulty. All restructured collateral-dependent loans are individually assessed for allowance for credit losses and may either be in accruing or

non-accruing status. Non-accruing restructured loans may return to accruing status provided doubt has been removed concerning the collectability of principal and interest as evidenced by a sufficient period of payment performance in accordance with the restructured terms. Loans may be removed from the restructured category if the borrower is no longer experiencing financial difficulty, a re-underwriting event took place, and the revised loan terms of the subsequent restructuring agreement are considered to be consistent with terms that can be obtained in the market for loans with comparable credit risk.

In accordance with provisions of the CARES Act and interagency guidance issued by the federal banking agencies, the Company does not classify COVID-19 short term loan modifications as TDRs, nor are the customers considered delinquent with regard to their deferred payments. Upon exiting the loan modification deferral program, the measurement of loan delinquency will resume where it was determined upon entry into the program.

Allowance for Credit Losses

The allowance for credit losses (“allowance” or “ACL”) represents an amount which, in management's judgment, is adequate to absorb the lifetime expected losses that may be sustained on outstanding loans at the balance sheet date based on the evaluation of the size and current risk characteristics of the loan portfolio, past events, current conditions, reasonable and supportable forecasts of future economic conditions and prepayment experience. The allowance is measured and recorded upon the initial recognition of a financial asset. The allowance is reduced by charge-offs, net of recoveries of previous losses, and is increased or decreased by a provision or credit for credit losses, which is recorded as a current period expense.

Determination of the adequacy of the allowance is inherently complex and requires the use of significant and highly subjective estimates. The reasonableness of the allowance is reviewed periodically by the Risk Committee of the Board of Directors and formally approved quarterly by that same committee of the Board.

The Company’s methodology for estimating the allowance includes: (1) a collective quantified reserve that reflects the Company’s historical default and loss experience adjusted for expected economic conditions throughout a reasonable and supportable period and the Company’s prepayment and curtailment rates; (2) collective qualitative factors that consider concentrations of the loan portfolio, expected changes to the economic forecasts, large relationships, early delinquencies, and factors related to credit administrations, including, among others, loan-to-value ratios, borrowers’ risk rating and credit score migrations; and (3) individual allowances on collateral-dependent loans where borrowers are experiencing financial difficulty or when the Company determines that the foreclosure is probable. The Company excludes accrued interest from the measurement of the allowance as the Company has a non-accrual policy to reverse any accrued, uncollected interest income as loans are moved to non-accrual status.

Loans are pooled into segments based on the similar risk characteristics of the underlying borrowers, in addition to consideration of collateral type, industry and business purpose of the loans. Portfolio segments used to estimate the allowance are the same as portfolio segments used for general credit risk management purposes. Refer to Note 4 for more details on the Company’s portfolio segments.

The Company applies two calculation methodologies to estimate the collective quantified component of the allowance: discounted cash flows method and weighted average remaining life method. Allowance estimates on commercial acquisition, development and construction (“AD&C”) and residential construction segments are based on the weighted average remaining life method. Allowance estimates on all other portfolio segments are based on the discounted cash flows method. Segments utilizing the discounted cash flows method are further sub-segmented into risk level pools, determined either by risk rating for commercial loans or Beacon Scores ranges for residential and consumer loans. To better manage risk and reasonably determine the sufficiency of reserves, this segregation allows the Company to monitor the allowance component applicable to higher risk loans separate from the remainder of the portfolio. Collective calculation methodologies utilize the Company’s historical default and loss experience adjusted for future economic forecasts. The reasonable and supportable forecast period represents a two-year economic outlook for the applicable economic variables. Following the end of the reasonable and supportable forecast period expected losses revert back to the historical mean over the next two years on a straight-line basis. Economic variables that have the most significant impact on the allowance include: unemployment rate, house price index and number of business bankruptcies. Contractual loan level cash flows within the discounted cash flows methodology are adjusted for the Company’s historical prepayment and curtailment rate experience.

The individual reserve assessment is applied to collateral dependent loans where borrowers are experiencing financial difficulty or when the Company determines that a foreclosure is probable. The determination of the fair value of the collateral depends on whether a repayment of the loan is expected to be from the sale or the operation of the collateral. When a repayment is expected from the operation of the collateral, the Company uses the present value of expected cash flows from the operation of the collateral as the fair value. When the repayment of the loan is expected from the sale of the collateral the fair value of the collateral is based on an observable market price or the collateral’s appraised value, less estimated costs to sell. Third party

appraisals used in the individual reserve assessment are conducted at least annually with underlying assumptions that are reviewed by management. Third party appraisals may be obtained on a more frequent basis if deemed necessary. Internal evaluations of collateral value are conducted quarterly to ensure any further deterioration of the collateral value is recognized on a timely basis. During the individual reserve assessment, management also considers the potential future changes in the value of the collateral over the remainder of the loan’s remaining life. The Company may receive updated appraisals which contradict the preliminary determination of fair value used to establish an individual allowance on a loan. In these instances the individual allowance is adjusted to reflect the Company’s evaluation of the updated appraised fair value. In the event a loss was previously confirmed and the loan was charged down to the estimated fair value based on a previous appraisal, the balance of partially charged-off loans are not subsequently increased, but could be further decreased depending on the direction of the change in fair value. Payments on fully or partially charged-off loans are accounted for under the cost-recovery method. Under this method, all payments received are applied on a cash basis to reduce the entire outstanding principal balance, then to recognize a recovery of all previously charged-off amounts before any interest income may be recognized. Based on the individual reserve assessment, if the Company determines that the fair value of the collateral is less than the amortized cost basis of the loan, an individual allowance will be established measured as the difference between the fair value of the collateral (less costs to sell) and the amortized cost basis of the loan. Once a loss has been confirmed, the loan is charged-down to its estimated fair value.

Large groups of smaller non-accrual homogeneous loans are not individually evaluated for allowance and include residential permanent and construction mortgages and consumer installment loans. These portfolios are reserved for on a collective basis using historical loss rates of similar loans over the weighted average life of each pool.

Management believes it uses relevant information available to make determinations about the allowance and that it has established the existing allowance in accordance with GAAP. However, the determination of the allowance requires significant judgment, and estimates of expected lifetime losses in the loan portfolio can vary significantly from the amounts actually observed. While management uses available information to recognize expected losses, future additions to the allowance may be necessary based on changes in the loans comprising the portfolio, changes in the current and forecasted economic conditions, changes to the interest rate environment which may directly impact prepayment and curtailment rate assumptions, and changes in the financial condition of borrowers.

The adoption of the CECL standard did not result in a significant change to any other credit risk management and monitoring processes, including identification of past due or delinquent borrowers, non-accrual practices, assessment of troubled debt restructurings or charge-off policies.

Acquired Loans

Loans acquired in connection with acquisitions are recorded at their acquisition-date fair value. The allowance for credit losses related to the acquired loan portfolio is not carried over. Acquired loans are classified into two categories based on the credit risk characteristics of the underlying borrowers as either purchased credit deteriorated (“PCD”) loans, or loans with no evidence of credit deterioration (“non-PCD”).

PCD loans are defined as a loan or pool of loans that have experienced more-than-insignificant credit deterioration since the origination date. The Company uses a combination of individual and pooled review approaches to determine if acquired loans are PCD. At acquisition, the Company considers a number of factors to determine if an acquired loan or pool of loans has experienced more-than-insignificant credit deterioration. These factors include:

•loans classified as non-accrual,

•loans with risk rating of special mention or worse (using the Company's risk rating scale),

•loans with multiple risk rating downgrades since origination,

•loans with evidence of being 60 days or more past due,

•loans previously modified in a troubled debt restructuring,

•loans that received an interest only or payment deferral modification, and

•loans in industries that show evidence of additional risk due to economic conditions.

The initial allowance related to PCD loans that share similar risk characteristics is established using a pooled approach. The Company uses either a discounted cash flow or weighted average remaining life method to determine the required level of the allowance. PCD loans that were classified as non-accrual as of the acquisition date and are collateral dependent are assessed for allowance on an individual basis.

For PCD loans, an initial allowance is established on the acquisition date and added to the fair value of the loan to arrive at acquisition date amortized cost. Accordingly, no provision for credit losses is recognized on PCD loans at the acquisition date.

Subsequent to the acquisition date, the initial allowance on PCD loans will increase or decrease based on future evaluations, with changes recognized in the provision for credit losses.

Non-PCD loans are pooled into segments together with originated loans that share similar risk characteristics and have an allowance established on the acquisition date, which is recognized in the current period provision for credit losses.

Determining the fair value of the acquired loans involves estimating the principal and interest payment cash flows expected to be collected on the loans and discounting those cash flows at a market rate of interest. Management considers a number of factors in evaluating the acquisition-date fair value including the remaining life, interest rate profile, market interest rate environment, payment schedules, risk ratings, probability of default and loss given default, and estimated prepayment rates. For PCD loans, the non-credit discount or premium is allocated to individual loans as determined by the difference between the loan’s unpaid principal balance and amortized cost basis. The non-credit premium or discount is recognized into interest income on a level yield basis over the remaining expected life of the loan. For non-PCD loans, the fair value discount or premium is allocated to individual loans and recognized into interest income on a level yield basis over the remaining expected life of the loan.

Leases

The Company determines if an arrangement is a lease at inception. All of the Company’s leases are currently classified as operating leases and are included in other assets and other liabilities on the Company’s Condensed Consolidated Statements of Condition.

Right-of-use (“ROU”) assets represent the Company’s right to use an underlying asset for the lease term, and lease liabilities represent the Company’s obligation to make lease payments arising from the lease arrangements. Operating lease ROU assets and liabilities are recognized at the lease commencement date based on the present value of the expected future lease payments over the remaining lease term. In determining the present value of future lease payments, the Company uses its incremental borrowing rate based on the information available at the lease commencement date. The operating ROU assets are adjusted for any lease payments made at or before the lease commencement date, initial direct costs, any lease incentives received and, for acquired leases, any favorable or unfavorable fair value adjustments. The present value of the lease liability may include the impact of options to extend or terminate the lease when it is reasonably certain that the Company will exercise such options provided in the lease terms. Lease expense is recognized on a straight-line basis over the expected lease term. Lease agreements that include lease and non-lease components, such as common area maintenance charges, are accounted for separately.

Pending Accounting Pronouncements

In March 2020, FASB released Accounting Standards Update (“ASU”) 2020-04 - Reference Rate Reform (Topic 848), which provides optional guidance to ease the accounting burden in accounting for, or recognizing the effects from, reference rate reform on financial reporting. The new standard is a result of LIBOR likely being discontinued as an available benchmark rate. The standard is elective and provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships, or other transactions that reference LIBOR, or another reference rate expected to be discontinued. The amendments in the update are effective for all entities between March 12, 2020 and December 31, 2022. The Company has established a cross-functional working group to guide the Company’s transition from LIBOR and has begun efforts to transition to alternative rates consistent with industry timelines. The Company has identified its products that utilize LIBOR and has implemented enhanced fallback language to facilitate the transition to alternative reference rates. The Company is evaluating existing platforms and systems and preparing to offer new rates.

In December 2019, FASB released ASU 2019-12 - Income Taxes (Topic 740), which simplifies the accounting for income taxes by removing multiple exceptions to the general principals in Topic 740. The standard is effective for public business entities for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2020. The Company does not expect the adoption of this standard to have a material impact on the Company’s Condensed Consolidated Financial Statements.

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ACQUISITION OF REVERE BANK

9 Months Ended

Sep. 30, 2020

Business Combinations [Abstract]

ACQUISITION OF REVERE BANK

ACQUISITION OF REVERE BANK

On April 1, 2020 (“Acquisition Date”), the Company completed the acquisition of Revere Bank (“Revere”), a Maryland chartered commercial bank, in accordance with the definitive agreement that was entered on September 23, 2019 by and among the Company, the Bank and Revere. In connection with the completion of the merger, former Revere shareholders received 1.05 shares of Sandy Spring common stock for each share of Revere common stock they held. Based on the $22.64 per share closing price of Sandy Spring common stock on March 31, 2020, and including the fair value of options converted or cashed-out, the total transaction value was approximately $293 million. Upon completion of the acquisition, Sandy Spring shareholders owned approximately 74 percent of the combined company, and former Revere shareholders owned approximately 26 percent.

As of March 31, 2020, Revere, headquartered in Rockville, MD, had more than $2.8 billion in assets and operated 11 full-service community banking offices throughout the Washington D.C. metropolitan region.

The acquisition of Revere was accounted for as a business combination using the acquisition method of accounting and, accordingly, assets acquired, liabilities assumed, and consideration paid are recorded at estimated fair values on the Acquisition Date. The provisional amount of goodwill recognized as of the Acquisition Date was approximately $0.8 million. If considered necessary, additional adjustments to the fair value measurement of certain accounts, for example loans, may be made until the 12 month measurement period is closed. Any subsequent adjustments to the fair values of assets acquired and liabilities assumed, identifiable intangible assets, or other purchase accounting adjustments, as discussed above, will result in adjustments to goodwill within the first 12 months following the Acquisition Date. The goodwill is not expected to be deductible for tax purposes.

The consideration paid for Revere’s common equity and outstanding stock options and the provisional fair values of acquired identifiable assets and assumed identifiable liabilities as of the Acquisition Date were as follows:

(Dollars in thousands, except per share data)	April 1, 2020
Purchase price:
Fair value of common shares issued (12,768,949 shares) based on Sandy Spring's share price of $22.64	$	289,089
Fair value of Revere stock options converted to Sandy Spring stock options	3,611
Cash paid for cashed-out Revere stock options	291
Cash for fractional shares	11
Total purchase price	$	293,002
Identifiable assets:
Cash and cash equivalents	$	80,768
Investments available-for-sale	180,752
Loans	2,502,244
Premises and equipment	3,443
Accrued interest receivable	7,651
Core deposit intangible asset	18,360
Other assets	52,812
Total identifiable assets	$	2,846,030
Identifiable liabilities:
Deposits	$	2,322,422
Borrowings	205,514
Other liabilities	25,933
Total identifiable liabilities	$	2,553,869
Provisional fair value of net assets acquired including identifiable intangible assets	292,161
Provisional resulting goodwill	$	841

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INVESTMENTS

9 Months Ended

Sep. 30, 2020

Investments, Debt and Equity Securities [Abstract]

INVESTMENTS

INVESTMENTS

Investments available-for-sale

The amortized cost and estimated fair values of investments available-for-sale at the dates indicated are presented in the following table:

	September 30, 2020								December 31, 2019
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
U.S. treasuries and government agencies	$	140,454	$	914	$	(1,963)	$	139,405	$	260,294	$	887	$	(2,686)	$	258,495
State and municipal	344,168		9,435		(616)		352,987		229,309		4,377		(37)		233,649
Mortgage-backed and asset-backed	826,450		25,967		(103)		852,314		568,373		3,268		(882)		570,759
Corporate debt	12,112		394		(7)		12,499		9,100		452		—		9,552
Trust preferred	—		—		—		—		310		—		—		310
Total debt securities	1,323,184		36,710		(2,689)		1,357,205		1,067,386		8,984		(3,605)		1,072,765
Marketable equity securities	—		—		—		—		568		—		—		568
Total investments available-for-sale	$	1,323,184	$	36,710	$	(2,689)	$	1,357,205	$	1,067,954	$	8,984	$	(3,605)	$	1,073,333

Any unrealized losses in the U.S. treasuries and government agencies, state and municipal, mortgage-backed and asset-backed investment securities at September 30, 2020 are due to changes in interest rates and not credit-related events. As such, no allowance for credit losses is required at September 30, 2020. Unrealized losses on investment securities are expected to recover over time as these securities approach maturity.

The mortgage-backed securities portfolio at September 30, 2020 is composed entirely of either the most senior tranches of GNMA, FNMA or FHLMC collateralized mortgage obligations ($328.7 million), GNMA, FNMA or FHLMC mortgage-backed securities ($455.8 million) or SBA asset-backed securities ($67.8 million). The Company does not intend to sell these securities and has sufficient liquidity to hold these securities for an adequate period of time to allow for any anticipated recovery in fair value.

Gross unrealized losses and fair value by length of time that the individual available-for-sale securities have been in an unrealized loss position at the dates indicated are presented in the following tables:

	September 30, 2020
	Number of Securities	Less Than 12 Months				12 Months or More				Total
(Dollars in thousands)		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. treasuries and government agencies	7	$	—	$	—	$	91,193	$	1,963	$	91,193	$	1,963
State and municipal	19	57,024		616		—		—		57,024		616
Mortgage-backed and asset-backed	13	28,862		77		7,030		26		35,892		103
Corporate debt	2	3,005		7		—		—		3,005		7
Total	41	$	88,891	$	700	$	98,223	$	1,989	$	187,114	$	2,689

	December 31, 2019
	Number of Securities	Less Than 12 Months				12 Months or More				Total
(Dollars in thousands)		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. treasuries and government agencies	12	$	133,221	$	2,211	$	17,911	$	475	$	151,132	$	2,686
State and municipal	3	7,227		37		—		—		7,227		37
Mortgage-backed and asset-backed	35	107,917		508		76,867		374		184,784		882
Total	50	$	248,365	$	2,756	$	94,778	$	849	$	343,143	$	3,605

The estimated fair values and amortized costs of debt securities available-for-sale by contractual maturity at the dates indicated are provided in the following table. The Company has allocated mortgage-backed securities into the four maturity groupings reflected in the following tables using the expected average life of the individual securities based on statistics provided by independent third party industry sources. Expected maturities will differ from contractual maturities as borrowers may have the right to prepay obligations with or without prepayment penalties.

	September 30, 2020				December 31, 2019
(In thousands)	Fair Value		Amortized Cost		Fair Value		Amortized Cost
U.S. treasuries and government agencies:
One year or less	$	28,139	$	27,974	$	69,799	$	69,330
One to five years	11,902		11,380		96,709		96,507
Five to ten years	—		—		—		—
After ten years	99,364		101,100		91,987		94,457
State and municipal:
One year or less	18,663		18,457		33,311		33,054
One to five years	47,558		46,440		76,723		75,432
Five to ten years	59,670		56,731		75,820		73,741
After ten years	227,096		222,540		47,795		47,082
Mortgage-backed and asset-backed:
One year or less	2		2		852		822
One to five years	21,191		20,800		7,125		6,969
Five to ten years	58,878		57,430		55,226		54,799
After ten years	772,243		748,218		507,556		505,783
Corporate debt:
One year or less	—		—		—		—
One to five years	—		—		—		—
Five to ten years	12,499		12,112		9,552		9,100
After ten years	—		—		—		—
Trust preferred:
One year or less	—		—		—		—
One to five years	—		—		—		—
Five to ten years	—		—		—		—
After ten years	—		—		310		310
Total available-for-sale debt securities	$	1,357,205	$	1,323,184	$	1,072,765	$	1,067,386

At September 30, 2020 and December 31, 2019, investments available-for-sale with a book value of $421.0 million and $424.8 million, respectively, were pledged as collateral for certain government deposits and for other purposes as required or permitted by law. The outstanding balance of no single issuer, except for U.S. Agencies securities, exceeded ten percent of stockholders' equity at September 30, 2020 and December 31, 2019.

Equity securities

Other equity securities at the dates indicated are presented in the following table:

(In thousands)	September 30, 2020		December 31, 2019
Federal Reserve Bank stock	$	38,650	$	22,559
Federal Home Loan Bank of Atlanta stock	29,201		29,244
Marketable equity securities	677		—
Total equity securities	$	68,528	$	51,803

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LOANS

9 Months Ended

Sep. 30, 2020

Receivables [Abstract]

LOANS

LOANSOutstanding loan balances at September 30, 2020 and December 31, 2019, are net of unearned income, including net deferred loan fees of $28.3 million and $1.8 million, respectively. Net deferred loan fees at September 30, 2020, includes $25.5 million related to the loans originated under the Paycheck Protection Program (“PPP”).

The loan portfolio segment balances at the dates indicated are presented in the following table:

(In thousands)	September 30, 2020		December 31, 2019
Commercial real estate:
Commercial investor real estate	$	3,588,702	$	2,169,156
Commercial owner-occupied real estate	1,652,208		1,288,677
Commercial AD&C	994,800		684,010
Commercial business	2,227,246		801,019
Total commercial loans	8,462,956		4,942,862
Residential real estate:
Residential mortgage	1,173,857		1,149,327
Residential construction	175,123		146,279
Consumer	521,999		466,764
Total residential and consumer loans	1,870,979		1,762,370
Total loans	$	10,333,935	$	6,705,232

The fair value of the financial assets acquired in the Revere acquisition included loans receivable with a gross amortized cost basis of $2.5 billion. Of the loans acquired, the Company identified $974.8 million of loans that were classified as PCD. An initial allowance for credit losses of $18.6 million was recorded through a gross up adjustment to fair values of PCD loans. A fair value premium related to other factors totaled $4.5 million and will amortize to interest income over the remaining life of each loan. Total fair value of PCD loans as of the Acquisition Date was $960.7 million. As of September 30, 2020, the Revere PCD loans had a fair value of $901.9 million, with a remaining unamortized fair value premium of $4.0 million. Of the PCD loans, $11.3 million were non-accruing at the time of acquisition. Refer to Note 1 for more details on factors considered in the PCD assessment.

At the Acquisition Date, non-PCD loans totaled $1.5 billion and had a net fair value premium of $2.1 million, which will amortize to interest income over the remaining life of each loan. As of September 30, 2020, the Revere non-PCD loans had a fair value of $1.4 billion with a remaining unamortized fair value premium of $1.5 million. See Note 1 for more information on the Company’s accounting policy for acquired loans and Note 2 for more information on the Revere acquisition.

Portfolio Segments

The Company currently manages its credit products and the respective exposure to credit losses (credit risk) by the following specific portfolio segments (classes) which are levels at which the Company develops and documents its systematic methodology to determine the allowance for credit losses attributable to each respective portfolio segment. These segments are:

•Commercial investor real estate loans - Commercial investor real estate loans consist of loans secured by nonowner-occupied properties where an established banking relationship exists and involves investment properties for warehouse, retail, and office space with a history of occupancy and cash flow. This commercial investor real estate category contains mortgage loans to the developers and owners of commercial real estate where the borrower intends to operate or sell the property at a profit and use the income stream or proceeds from the sale(s) to repay the loan.

•Commercial owner-occupied real estate loans - Commercial owner-occupied real estate loans consist of commercial mortgage loans secured by owner occupied properties where an established banking relationship exists and involves a variety of property types to conduct the borrower’s operations. The decision to extend a loan is based upon the borrower’s financial health and the ability of the borrower and the business to repay. The primary source of repayment for this type of loan is the cash flow from the operations of the business.

•Commercial acquisition, development and construction loans - Commercial acquisition, development and construction loans are intended to finance the construction of commercial properties and include loans for the acquisition and development of land. Construction loans represent a higher degree of risk than permanent real estate loans and may be affected by a variety of additional factors such as the borrower’s ability to control costs and adhere to time schedules and the risk that constructed units may not be absorbed by the market within the anticipated time frame or at the anticipated price. The loan commitment on these loans often includes an interest reserve that allows the lender to periodically advance loan funds to pay interest charges on the outstanding balance of the loan.

•Commercial business loans - Commercial loans are made to provide funds for equipment and general corporate needs. Repayment of a loan primarily comes from the funds obtained from the operation of the borrower’s business. Commercial loans also include lines of credit that are utilized to finance a borrower’s short-term credit needs and/or to finance a percentage of eligible receivables and inventory. Loans issued under the PPP are also included in this category, a substantial portion of which are expected to be forgiven by the Small Business Administration pursuant to the CARES Act.

•Residential mortgage loans - The residential mortgage loans category contains permanent mortgage loans principally to consumers secured by residential real estate. Residential real estate loans are evaluated for the adequacy of repayment sources at the time of approval, based upon measures including credit scores, debt-to-income ratios, and collateral values. Loans may be either conforming or non-conforming.

•Residential construction loans - The Company makes residential construction loans generally to provide interim financing on residential property during the construction period. Borrowers are typically individuals who will ultimately occupy the single-family dwelling. Loan funds are disbursed periodically as pre-specified stages of completion are attained based upon site inspections.

•Consumer loans - This category of loans includes primarily home equity loans and lines, installment loans, personal lines of credit, and other loans. The home equity category consists mainly of revolving lines of credit to consumers which are secured by residential real estate. These loans are typically secured with second mortgages on the homes. Other consumer loans include installment loans used by customers to purchase automobiles, boats and recreational vehicles.

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CREDIT QUALITY ASSESSMENT

9 Months Ended

Sep. 30, 2020

Credit Loss [Abstract]

CREDIT QUALITY ASSESSMENT

CREDIT QUALITY ASSESSMENT

The Company completed the implementation of the CECL standard during the first quarter of 2020. The new guidance requires additional disclosures and introduces certain changes to definitions previously used under allowance for loan losses guidance. Accordingly, the following sections present separate disclosures compliant with the new and the legacy disclosure requirements.

Allowance for Credit Losses

Summary information on the allowance for credit loss activity for the period indicated is provided in the following table:

	Nine Months Ended September 30,
(In thousands)	2020		2019
Balance at beginning of period	$	56,132	$	53,486
Initial allowance on PCD loans at adoption of ASC 326	2,762		—
Transition impact of adopting ASC 326	2,983		—
Initial allowance on acquired Revere PCD loans	18,628		—
Provision for credit losses	90,158		3,029
Loan charge-offs	(1,255)		(2,101)
Loan recoveries	906		578
Net charge-offs	(349)		(1,523)
Balance at period end	$	170,314	$	54,992

The following table provides summary information regarding collateral dependent loans individually evaluated for credit loss at the dates indicated:

(In thousands)	September 30, 2020		December 31, 2019
Collateral dependent loans individually evaluated for credit loss with an allowance	$	25,823	$	15,333
Collateral dependent loans individually evaluated for credit loss without an allowance	30,299		9,440
Total individually evaluated collateral dependent loans	$	56,122	$	24,773
Allowance for credit losses related to loans evaluated individually	$	8,263	$	5,501
Allowance for credit losses related to loans evaluated collectively	162,051		50,631
Total allowance for credit losses	$	170,314	$	56,132

The below section presents allowance for credit losses disclosures in line with the new CECL disclosure requirements.

The following table provides information on the activity in the allowance for credit losses by the respective loan portfolio segment for the period indicated:

 

	For the Nine Months Ended September 30, 2020
	Commercial Real Estate												Residential Real Estate
(Dollars in thousands)	Commercial Investor R/E			Commercial Owner- Occupied R/E			Commercial AD&C			Commercial Business			Residential Mortgage			Residential Construction			Consumer			Total
Balance at beginning of period	$	18,407		$	6,884		$	7,590		$	11,395		$	8,803		$	967		$	2,086		$	56,132
Initial allowance on PCD loans at adoption of ASC 326	1,114			—			—			1,549			—			—			99			2,762
Transition impact of adopting ASC 326	(3,125)			387			2,576			2,988			(388)			(275)			820			2,983
Initial allowance on acquired Revere PCD loans	7,973			2,782			1,248			6,289			243			6			87			18,628
Provision for credit losses	30,884			9,600			7,377			34,671			3,595			761			3,270			90,158
Charge-offs	(23)			—			—			(429)			(420)			—			(383)			(1,255)
Recoveries	6			—			—			696			78			5			121			906
Net recoveries (charge-offs)	(17)			—			—			267			(342)			5			(262)			(349)
Balance at end of period	$	55,236		$	19,653		$	18,791		$	57,159		$	11,911		$	1,464		$	6,100		$	170,314
Total loans	$	3,588,702		$	1,652,208		$	994,800		$	2,227,246		$	1,173,857		$	175,123		$	521,999		$	10,333,935
Allowance for credit losses to total loans ratio	1.54		%	1.19		%	1.89		%	2.57		%	1.01		%	0.84		%	1.17		%	1.65		%
Balance of loans individually evaluated for credit loss	$	27,508		$	6,511		$	1,678		$	18,728		$	1,333		$	—		$	364		$	56,122
Allowance related to loans evaluated individually	$	2,537		$	22		$	603		$	5,101		$	—		$	—		$	—		$	8,263
Individual allowance to loans evaluated individually ratio	9.22		%	0.34		%	35.94		%	27.24		%	—		%	—			—			14.72		%
Balance of loans collectively evaluated for credit loss	$	3,561,194		$	1,645,697		$	993,122		$	2,208,518		$	1,172,524		$	175,123		$	521,635		$	10,277,813
Allowance related to loans evaluated collectively	$	52,699		$	19,631		$	18,188		$	52,058		$	11,911		$	1,464		$	6,100		$	162,051
Collective allowance to loans evaluated collectively ratio	1.48		%	1.19		%	1.83		%	2.36		%	1.02		%	0.84		%	1.17		%	1.58		%

The following table presents collateral dependent loans individually evaluated for credit loss with the associated allowances for credit losses by the applicable portfolio segment:

	September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Loans individually evaluated for credit loss with an allowance:
Non-accruing	$	14,267	$	—	$	1,678	$	6,112	$	—	$	—	$	—	$	22,057
Restructured accruing	—		—		—		938		—		—		—		938
Restructured non-accruing	724		853		—		1,251		—		—		—		2,828
Balance	$	14,991	$	853	$	1,678	$	8,301	$	—	$	—	$	—	$	25,823
Allowance	$	2,537	$	22	$	603	$	5,101	$	—	$	—	$	—	$	8,263
Loans individually evaluated for credit loss without an allowance:
Non-accruing	$	11,417	$	4,194	$	—	$	10,007	$	—	$	—	$	—	$	25,618
Restructured accruing	724		—		—		131		1,061		—		—		1,916
Restructured non-accruing	376		1,464		—		289		272		—		364		2,765
Balance	$	12,517	$	5,658	$	—	$	10,427	$	1,333	$	—	$	364	$	30,299
Total individually evaluated loans:
Non-accruing	$	25,684	$	4,194	$	1,678	$	16,119	$	—	$	—	$	—	$	47,675
Restructured accruing	724		—		—		1,069		1,061		—		—		2,854
Restructured non-accruing	1,100		2,317		—		1,540		272		—		364		5,593
Balance	$	27,508	$	6,511	$	1,678	$	18,728	$	1,333	$	—	$	364	$	56,122
Total unpaid contractual principal balance	$	33,452	$	10,203	$	1,678	$	27,171	$	2,683	$	—	$	364	$	75,551

The following table presents average principal balance of total non-accrual loans, contractual interest due and interest income recognized on a cash basis on non-accrual loans for the periods indicated below:

	September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Average non-accrual loans for the period	$	22,254	$	5,366	$	1,573	$	14,932	$	11,990	$	—	$	6,497	$	62,612
Contractual interest income due on non- accrual loans during the period	$	1,496	$	368	$	67	$	750	$	447	$	—	$	292	$	3,420

There was no interest income recognized on non-accrual loans during the nine months ended September 30, 2020. See Note 1 for additional information on the Company's policies for non-accrual loans. Loans designated as non-accrual have all previously accrued but unpaid interest reversed from interest income. During the nine months ended September 30, 2020 new loans placed on non-accrual status totaled $30.5 million and the related amount of reversed uncollected accrued interest was $0.3 million.

The below section presents historical allowance for loan losses disclosures in line with the legacy disclosure requirements.

The following table provides information on the activity in the allowance for loan losses by the respective loan portfolio segment for the period indicated:

	For the Year Ended December 31, 2019
	Commercial Real Estate												Residential Real Estate
(Dollars in thousands)	Commercial Investor R/E			Commercial Owner- Occupied R/E			Commercial AD&C			Commercial Business			Residential Mortgage			Residential Construction			Consumer			Total
Balance at beginning of period	$	17,603		$	6,307		$	5,944		$	11,377		$	8,881		$	1,261		$	2,113		$	53,486
Provision (credit)	788			577			1,418			1,164			474			(302)			565			4,684
Charge-offs	—			—			—			(1,195)			(690)			—			(783)			(2,668)
Recoveries	16			—			228			49			138			8			191			630
Net recoveries (charge-offs)	16			—			228			(1,146)			(552)			8			(592)			(2,038)
Balance at end of period	$	18,407		$	6,884		$	7,590		$	11,395		$	8,803		$	967		$	2,086		$	56,132
Total loans	$	2,169,156		$	1,288,677		$	684,010		$	801,019		$	1,149,327		$	146,279		$	466,764		$	6,705,232
Allowance for loan losses to total loans ratio	0.85		%	0.53		%	1.11		%	1.42		%	0.77		%	0.66		%	0.45		%	0.84		%
Balance of loans specifically evaluated for impairment	$	9,212		$	4,148		$	829		$	8,867		$	1,717		$	—		$	—		$	24,773
Allowance for loans specifically evaluated for impairment	$	1,529		$	23		$	132		$	3,817		$	—		$	—		$	—		$	5,501
Specific allowance to specific loans ratio	16.60		%	0.55		%	15.92		%	43.05		%	—			—			—			22.21		%
Balance of loans collectively evaluated	$	2,150,400		$	1,284,529		$	683,181		$	789,613		$	1,147,602		$	146,279		$	465,771		$	6,667,375
Allowance for loans collectively evaluated	$	16,878		$	6,861		$	7,458		$	7,578		$	8,803		$	967		$	2,086		$	50,631
Collective allowance to collective loans ratio	0.78		%	0.53		%	1.09		%	0.96		%	0.77		%	0.66		%	0.45		%	0.76		%
Balance of loans acquired with deteriorated credit quality	$	9,544		$	—		$	—		$	2,539		$	8		$	—		$	993		$	13,084
Allowance for loans acquired with deteriorated credit quality	$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—
Allowance to loan acquired with deteriorated credit quality ratio	—			—			—			—			—			—			—			—

The following tables present the recorded investment with respect to impaired loans, the associated allowance by the applicable portfolio segment and the unpaid contractual principal balance of the impaired loans:

	December 31, 2019
	Commercial Real Estate										Total Recorded Investment in Impaired Loans
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans
Impaired loans with a specific allowance:
Non-accruing	$	5,448	$	767	$	829	$	5,608	$	—	$	12,652
Restructured accruing	—		—		—		266		—		266
Restructured non-accruing	437		122		—		1,856		—		2,415
Balance	$	5,885	$	889	$	829	$	7,730	$	—	$	15,333
Allowance	$	1,529	$	23	$	132	$	3,817	$	—	$	5,501
Impaired loans without a specific allowance:
Non-accruing	$	2,552	$	1,522	$	—	$	114	$	—	$	4,188
Restructured accruing	775		—		—		151		1,444		2,370
Restructured non-accruing	—		1,737		—		872		273		2,882
Balance	$	3,327	$	3,259	$	—	$	1,137	$	1,717	$	9,440
Total impaired loans:
Non-accruing	$	8,000	$	2,289	$	829	$	5,722	$	—	$	16,840
Restructured accruing	775		—		—		417		1,444		2,636
Restructured non-accruing	437		1,859		—		2,728		273		5,297
Balance	$	9,212	$	4,148	$	829	$	8,867	$	1,717	$	24,773
Unpaid principal balance in total impaired loans	$	13,805	$	6,072	$	829	$	11,296	$	2,618	$	34,620

	December 31, 2019
	Commercial Real Estate										Total Recorded Investment in Impaired Loans
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans
Average impaired loans for the period	$	7,565	$	4,390	$	2,052	$	7,781	$	1,577	$	23,365
Contractual interest income due on impaired loans during the period	$	786	$	258	$	127	$	648	$	128	$	1,947
Interest income on impaired loans recognized on an accrual basis	$	39	$	—	$	—	$	62	$	68	$	169

Credit Quality

The following section provides information on the credit quality of the loan portfolio under the new CECL disclosure requirements:

	For the Nine Months Ended September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Analysis of non-accrual loan activity:
Balance at beginning of period	$	8,437	$	4,148	$	829	$	8,450	$	12,661	$	—	$	4,107	$	38,632
PCD loans designated as non-accrual (1)	9,544		—		—		2,539		8		—		993		13,084
Loans placed on non-accrual	9,437		3,425		2,128		10,988		896		—		3,677		30,551
Non-accrual balances transferred to OREO	—		—		—		—		—		—		—		—
Non-accrual balances charged-off	(23)		—		—		(386)		(351)		—		(121)		(881)
Net payments or draws	(611)		(961)		(1,279)		(3,052)		(1,058)		—		(1,028)		(7,989)
Non-accrual loans brought current	—		(101)		—		(880)		(860)		—		(135)		(1,976)
Balance at end of period	$	26,784	$	6,511	$	1,678	$	17,659	$	11,296	$	—	$	7,493	$	71,421

(1)Upon the adoption of the CECL standard, the Company transitioned from closed pool level accounting for PCI loans during the first quarter of 2020. Non-accrual loans are determined based on the individual loan level and aggregated for reporting.

	September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Performing loans:
Current	$	3,555,815	$	1,643,589	$	991,086	$	2,198,943	$	1,155,016	$	169,766	$	507,336	$	10,221,551
30-59 days	4,181		2,108		1,634		8,862		5,197		3,167		5,039		30,188
60-89 days	1,198		—		402		620		967		2,190		2,130		7,507
Total performing loans	3,561,194		1,645,697		993,122		2,208,425		1,161,180		175,123		514,505		10,259,246
Non-performing loans:
Non-accrual loans	26,784		6,511		1,678		17,659		11,296		—		7,493		71,421
Loans greater than 90 days past due	—		—		—		93		320		—		1		414
Restructured loans	724		—		—		1,069		1,061		—		—		2,854
Total non-performing loans	27,508		6,511		1,678		18,821		12,677		—		7,494		74,689
Total loans	$	3,588,702	$	1,652,208	$	994,800	$	2,227,246	$	1,173,857	$	175,123	$	521,999	$	10,333,935

The credit quality indicators for commercial loans are developed through review of individual borrowers on an ongoing basis. Each borrower is evaluated at least annually with more frequent evaluation of more severely criticized loans. The indicators represent the rating for loans as of the date presented is based on the most recent credit review performed. These credit quality indicators are defined as follows:

Pass - A pass rated credit is not adversely classified because it does not display any of the characteristics for adverse classification.

Special mention – A special mention credit has potential weaknesses that deserve management’s close attention. If uncorrected, such weaknesses may result in deterioration of the repayment prospects or collateral position at some future date. Special mention assets are not adversely classified and do not warrant adverse classification.

Substandard – A substandard loan is inadequately protected by the current net worth and payment capacity of the obligor or of the collateral pledged, if any. Loans classified as substandard generally have a well-defined weakness, or weaknesses, that jeopardize the liquidation of the debt. These loans are characterized by the distinct possibility of loss if the deficiencies are not corrected.

Doubtful – A loan that is classified as doubtful has all the weaknesses inherent in a loan classified as substandard with added characteristics that the weaknesses make collection or liquidation in full highly questionable and improbable, on the basis of currently existing facts, conditions and values.

Loss – Loans classified as a loss are considered uncollectible and of such little value that their continuing to be carried as a loan is not warranted. This classification is not necessarily equivalent to no potential for recovery or salvage value, but rather that it is not appropriate to defer a full write-off even though partial recovery may be effected in the future.

The following table provides information about credit quality indicators by the year of origination:

	September 30, 2020
	Term Loans by Origination Year												Revolving
(In thousands)	2020		2019		2018		2017		2016		Prior		Loans		Total
Commercial Investor R/E:
Pass	$	675,314	$	799,088	$	466,850	$	501,591	$	493,003	$	566,433	$	31,413	$	3,533,692
Special Mention	5,049		1,617		19,026		232		271		1,873		—		28,068
Substandard	494		3,020		—		7,101		682		15,645		—		26,942
Doubtful	—		—		—		—		—		—		—		—
Total	$	680,857	$	803,725	$	485,876	$	508,924	$	493,956	$	583,951	$	31,413	$	3,588,702
Commercial Owner-Occupied R/E:
Pass	$	207,879	$	392,597	$	248,942	$	203,649	$	209,218	$	356,393	$	1,812	$	1,620,490
Special Mention	2,324		4,124		5,505		5,381		137		5,307		—		22,778
Substandard	493		870		788		465		222		5,863		—		8,701
Doubtful	—		—		—		—		—		239		—		239
Total	$	210,696	$	397,591	$	255,235	$	209,495	$	209,577	$	367,802	$	1,812	$	1,652,208
Commercial AD&C:
Pass	$	356,246	$	292,303	$	169,833	$	62,582	$	6,711	$	2,377	$	83,756	$	973,808
Special Mention	1,710		—		—		13,658		—		—		—		15,368
Substandard	1,127		1,554		—		100		2,843		—		—		5,624
Doubtful	—		—		—		—		—		—		—		—
Total	$	359,083	$	293,857	$	169,833	$	76,340	$	9,554	$	2,377	$	83,756	$	994,800
Commercial Business:
Pass	$	1,190,428	$	215,772	$	149,231	$	97,275	$	37,641	$	88,653	$	410,116	$	2,189,116
Special Mention	249		3,517		1,462		18		1,467		2,210		4,365		13,288
Substandard	2,050		3,242		3,287		1,713		2,353		2,070		1,708		16,423
Doubtful	114		1,042		950		36		1,309		1,987		2,981		8,419
Total	$	1,192,841	$	223,573	$	154,930	$	99,042	$	42,770	$	94,920	$	419,170	$	2,227,246
Residential Mortgage:
Beacon score:
660-850	$	169,476	$	69,350	$	164,196	$	207,953	$	153,302	$	285,639	$	—	$	1,049,916
600-659	4,235		11,924		12,136		13,559		9,753		24,752		—		76,359
540-599	321		1,833		5,089		2,722		3,507		9,270		—		22,742
less than 540	391		1,739		6,049		1,367		2,769		12,525		—		24,840
Total	$	174,423	$	84,846	$	187,470	$	225,601	$	169,331	$	332,186	$	—	$	1,173,857
Residential Construction:
Beacon score:
660-850	$	79,897	$	66,861	$	19,900	$	3,963	$	1,736	$	—	$	—	$	172,357
600-659	987		904		—		—		369		—		—		2,260
540-599	—		—		—		—		—		—		—		—
less than 540	506		—		—		—		—		—		—		506
Total	$	81,390	$	67,765	$	19,900	$	3,963	$	2,105	$	—	$	—	$	175,123
Consumer:
Beacon score:
660-850	$	2,561	$	5,345	$	5,327	$	2,297	$	2,772	$	23,023	$	420,848	$	462,173
600-659	608		747		286		452		1,076		5,090		20,555		28,814
540-599	49		433		260		93		503		3,101		8,141		12,580
less than 540	742		521		608		1,053		761		3,113		11,634		18,432
Total	$	3,960	$	7,046	$	6,481	$	3,895	$	5,112	$	34,327	$	461,178	$	521,999
Total loans	$	2,703,250	$	1,878,403	$	1,279,725	$	1,127,260	$	932,405	$	1,415,563	$	997,329	$	10,333,935

The following section provides historical information on the credit quality of the loan portfolio under the legacy disclosure requirements:

	December 31, 2019
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Non-performing loans and assets:
Non-accrual loans	$	8,437	$	4,148	$	829	$	8,450	$	12,661	$	—	$	4,107	$	38,632
Loans 90 days past due	—		—		—		—		—		—		—		—
Restructured loans	775		—		—		417		1,080		—		364		2,636
Total non-performing loans	9,212		4,148		829		8,867		13,741		—		4,471		41,268
Other real estate owned	409		—		665		39		305		—		64		1,482
Total non-performing assets	$	9,621	$	4,148	$	1,494	$	8,906	$	14,046	$	—	$	4,535	$	42,750

	December 31, 2019
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Past due loans:
30-59 days	$	932	$	316	$	—	$	908	$	14,853	$	280	$	2,697	$	19,986
60-89 days	—		—		—		370		4,541		1,334		1,517		7,762
> 90 days	—		—		—		—		—		—		—		—
Total past due	932		316		—		1,278		19,394		1,614		4,214		27,748
Non-accrual loans	8,437		4,148		829		8,450		12,661		—		4,107		38,632
Loans acquired with deteriorated credit quality	9,544		—		—		2,539		8		—		993		13,084
Current loans	2,150,243		1,284,213		683,181		788,752		1,117,264		144,665		457,450		6,625,768
Total loans	$	2,169,156	$	1,288,677	$	684,010	$	801,019	$	1,149,327	$	146,279	$	466,764	$	6,705,232

	December 31, 2019
	Commercial Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Total
Pass	$	2,146,971	$	1,278,337	$	683,181	$	783,909	$	4,892,398
Special Mention	3,189		2,284		—		2,487		7,960
Substandard	18,996		8,056		829		14,623		42,504
Doubtful	—		—		—		—		—
Total	$	2,169,156	$	1,288,677	$	684,010	$	801,019	$	4,942,862

	December 31, 2019
	Residential Real Estate
(In thousands)	Residential Mortgage		Residential Construction		Consumer		Total
Performing	$	1,135,586	$	146,279	$	462,293	$	1,744,158
Non-performing:							—
90 days past due	—		—		—		—
Non-accruing	12,661		—		4,107		16,768
Restructured loans	1,080		—		364		1,444
Total	$	1,149,327	$	146,279	$	466,764	$	1,762,370

The following table provides the amounts of the restructured loans at the date of restructuring for specific segments of the loan portfolio during the period indicated:

	For the Nine Months Ended September 30, 2020
	Commercial Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans		Total
Troubled debt restructurings:
Restructured accruing	$	—	$	—	$	—	$	322	$	—	$	322
Restructured non-accruing	723		930		—		808		—		2,461
Balance	$	723	$	930	$	—	$	1,130	$	—	$	2,783
Specific allowance	$	49	$	19	$	—	$	867	$	—	$	935
Restructured and subsequently defaulted	$	—	$	—	$	—	$	—	$	—	$	—

	For the Year Ended December 31, 2019
	Commercial Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans		Total
Troubled debt restructurings:
Restructured accruing	$	775	$	—	$	—	$	170	$	364	$	1,309
Restructured non-accruing	789		—		—		261		—		1,050
Balance	$	1,564	$	—	$	—	$	431	$	364	$	2,359
Specific allowance	$	205	$	—	$	—	$	196	$	—	$	401
Restructured and subsequently defaulted	$	—	$	—	$	—	$	—	$	—	$	—

During the nine months ended September 30, 2020, the Company restructured $2.8 million in loans that were designated as TDRs. TDRs are subject to periodic credit reviews to determine the necessity and adequacy of an individual loan loss allowance based on the collectability of the recorded investment in the restructured loan. Loans restructured as TDRs during the nine months ended September 30, 2020 had individual reserves of $0.9 million. For the year ended December 31, 2019, the Company restructured $2.4 million in loans. Loans restructured as TDRs during 2019 had individual reserves of $0.4 million at December 31, 2019. During both the nine months ended September 30, 2020 and for the year ended December 31, 2019 TDR modifications consisted principally of interest rate concessions, and did not result in the reduction of the recorded investment in the associated loan balances. The commitments to lend additional funds on loans that have been restructured at September 30, 2020 and December 31, 2019 were not significant.

Other Real Estate Owned

Other real estate owned ("OREO") totaled $1.4 million and $1.5 million at September 30, 2020 and December 31, 2019, respectively. There was one consumer mortgage loan secured by residential real estate property in the total amount of $0.1 million for which formal foreclosure proceedings were in process as of September 30, 2020.

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GOODWILL AND OTHER INTANGIBLE ASSETS

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND OTHER INTANGIBLE ASSETS

GOODWILL AND OTHER INTANGIBLE ASSETS

The gross carrying amounts and accumulated amortization of intangible assets and goodwill are presented at the dates indicated in the following table:

	September 30, 2020						Weighted Average Remaining Life	December 31, 2019						Weighted Average Remaining Life
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount			Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets:
Core deposit intangibles	$	29,038	$	(6,841)	$	22,197	8.7 years	$	10,678	$	(3,689)	$	6,989	8.0 years
Other identifiable intangibles	13,906		(1,928)		11,978		10.9 years	1,478		(626)		852		9.7 years
Total amortizing intangible assets	$	42,944	$	(8,769)	$	34,175		$	12,156	$	(4,315)	$	7,841
Goodwill	$	370,549			$	370,549		$	347,149			$	347,149

The table above reflects an additional $18.4 million in core deposit intangible asset related to the Revere acquisition that is amortizing over 9.67 years.

The amount of goodwill by reportable segment is presented in the following table:

(In thousands)	Community Banking		Insurance		Investment Management		Total
Balance December 31, 2019	$	331,173	$	6,788	$	9,188	$	347,149
Acquisition of Rembert Pendleton Jackson	—		—		22,559		22,559
Acquisition of Revere Bank	841		—		—		841
Balance September 30, 2020	$	332,014	$	6,788	$	31,747	$	370,549

The table above includes the estimated amount of goodwill resulting from the Revere acquisition that was recorded as of September 30, 2020. See Note 2 for additional information on the Revere acquisition.

The following table presents the estimated future amortization expense for amortizing intangible assets within the years ending December 31:

(In thousands)	Amount
Remaining for 2020	$	1,654
2021	6,600
2022	5,845
2023	5,089
2024	4,333
Thereafter	10,654
Total amortizing intangible assets	$	34,175

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DEPOSITS

9 Months Ended

Sep. 30, 2020

Deposits [Abstract]

DEPOSITS

DEPOSITS

The following table presents the composition of deposits at the dates indicated:

(In thousands)	September 30, 2020		December 31, 2019
Noninterest-bearing deposits	$	3,458,804	$	1,892,052
Interest-bearing deposits:
Demand	1,137,000		836,433
Money market savings	3,104,600		1,839,593
Regular savings	396,280		329,919
Time deposits of less than $100,000	545,903		463,431
Time deposits of $100,000 or more	1,322,382		1,078,891
Total interest-bearing deposits	6,506,165		4,548,267
Total deposits	$	9,964,969	$	6,440,319

The Company acquired $2.3 billion of deposits in the Revere acquisition, including approximately $752.4 million of certificates of deposit with a fair value premium adjustment of $14.7 million amortizing over a total life of 5 years. As of September 30, 2020, $9.8 million of the fair value premium remained unamortized.

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BORROWINGS

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Borrowings

BORROWINGS

Subordinated Debt

On November 5, 2019, the Company completed an offering of $175.0 million aggregate principal amount Fixed to Floating Rate Subordinated Notes due in 2029. The notes bear a fixed interest rate of 4.25% per year through November 14, 2024. Beginning November 15, 2024, the interest rate will become a floating rate equal to three month LIBOR, or an alternative benchmark rate as determined pursuant to the terms of the indenture for the notes in the event LIBOR has been discontinued by November 15, 2024, plus 262 basis points through the remaining maturity or early redemption date of the notes. The interest will be paid in arrears semi-annually during the fixed rate period and quarterly during the floating rate period. The Company incurred $2.9 million of debt issuance costs which are being amortized through the contractual life of the debt. The entire amount of the subordinated debt is considered Tier 2 capital under current regulatory guidelines.

In conjunction with the acquisition of WashingtonFirst Bankshares, Inc. ("WashingtonFirst"), the Company assumed $25.0 million in subordinated debt with an associated purchase premium at acquisition of $2.2 million, which will be amortized over the contractual life of the obligation. The subordinated debt has a ten year term, maturing on October 15, 2025, is non-callable until October 15, 2020 and currently bears a fixed interest rate of 6.00% per annum, payable semi-annually. Beginning on October 5, 2020, the interest rate resets quarterly to an amount equal to 3 month LIBOR plus 467 basis points. The entire amount of the subordinated debt is considered Tier 2 capital under current regulatory guidelines.

Also in conjunction with the acquisition of WashingtonFirst, the Company assumed $10.3 million in callable junior subordinated debt securities with an associated purchase premium at acquisition of $0.1 million that will amortize over the contractual life of the obligation. During the first quarter of 2020, the Company redeemed all $10.3 million of the outstanding principal balance of the callable junior subordinated debt securities.

In conjunction with the acquisition of Revere, the Company assumed $31.0 million in subordinated debt with an associated purchase premium at acquisition of $0.2 million, which will be amortized through the call date. The subordinated debt has a ten year term, maturing on September 30, 2026, is non-callable until September 30, 2021, and currently bears a fixed interest rate of 5.625% per annum, payable semi-annually. Beginning on October 1, 2021, the interest rate resets quarterly to an amount equal to 3 month LIBOR plus 441 basis points. The entire amount of the subordinated debt is considered Tier 2 capital under current regulatory guidelines.

The following table provides information on subordinated debt as of the date indicated:

(In thousands)	September 30, 2020		December 31, 2019
Fixed to floating rate sub debt, 4.25%	$	175,000	$	175,000
WashingtonFirst sub debt, 6.00%	25,000		25,000
Revere fixed to floating rate sub debt, 5.625%	31,000		—
Total Sub debt	231,000		200,000
Add: Purchase accounting premium	1,954		1,894
Less: Debt issuance costs	(2,654)		(2,885)
Net sub debt	230,300		199,009
WashingtonFirst callable junior subordinated debt	—		10,310
Add: Purchase accounting premium	—		87
Net WashingtonFirst callable junior subordinated debt	—		10,397
Long-term borrowings	$	230,300	$	209,406

Other Borrowings

At September 30, 2020 and December 31, 2019, the Company had $142.3 million and $138.6 million, respectively, of outstanding retail repurchase agreements. The Company had $70.0 million and $75.0 million of outstanding federal funds purchased at September 30, 2020 and December 31, 2019, respectively. During the quarter ended September 30, 2020, the Company repaid $594.6 million of Paycheck Protection Program Liquidity Facility ("PPPLF") borrowings, which were used to fund PPP loans issued during the prior quarter. At September 30, 2020, $250.4 million in PPPLF borrowings remained outstanding. The Company had $837.7 million available to borrow under the PPPLF at September 30, 2020. Amounts borrowed under the PPPLF are required to be repaid as the Company’s PPP loans are repaid or forgiven.

At September 30, 2020 and December 31, 2019, the Company had $444.2 million and $513.8 million, respectively, of advances from the Federal Home Loan Bank of Atlanta (“FHLB”). During the second quarter of 2020, the Company assumed $168.4 million of FHLB advances in connection with the acquisition of Revere, with a fair value premium of $5.8 million recorded at acquisition. During the quarter ended June 30, 2020, the Company prepaid $115.4 million of the acquired advances and recognized a prepayment penalty of $5.9 million, which was reflected in Other expenses in the Condensed Consolidated Statements of Income. Also in connection with the prepayment, the Company recognized the remaining unamortized fair value premium of $5.8 million on those prepaid advances, which was reflected in Interest on advances from FHLB in the Condensed Consolidated Statements of Income. The remaining $53.0 million of acquired Revere FHLB advances, which were not prepaid, matured during the quarter ended June 30, 2020.

At September 30, 2020, the Company had an available line of credit with the FHLB under which its borrowings are limited to $2.3 billion based on pledged collateral at prevailing market interest rates, with $444.2 million borrowed against it at September 30, 2020. At December 31, 2019, lines of credit with the FHLB totaled $2.4 billion based on pledged collateral with $513.8 million borrowed against the line. Under a blanket lien, the Company has pledged qualifying residential mortgage loans amounting to $1.0 billion, commercial real estate loans amounting to $2.7 billion, home equity lines of credit (“HELOC”) amounting to $227.0 million, and multifamily loans amounting to $235.7 million at September 30, 2020, as collateral under the borrowing agreement with the FHLB. At December 31, 2019, the Company had pledged collateral of qualifying mortgage loans of $1.0 billion, commercial real estate loans of $1.9 billion, HELOC loans of $266.8 million, and multifamily loans of $109.7 million under the FHLB borrowing agreement. The Company also had lines of credit available from the Federal Reserve Bank and correspondent banks of $366.5 million and $463.3 million at September 30, 2020 and December 31, 2019, respectively, collateralized by loans. In addition, the Company had unsecured lines of credit with correspondent banks of $780.0 million and $730.0 million at September 30, 2020 and December 31, 2019, respectively. At September 30, 2020, the Company had $70.0 million outstanding borrowings against these unsecured lines of credit.

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STOCKHOLDERS' EQUITY

9 Months Ended

Sep. 30, 2020

Stockholders' Equity Note [Abstract]

STOCKHOLDERS' EQUITY

STOCKHOLDERS' EQUITY

The Company’s Board of Directors approved a stock repurchase plan in December 2018 that permits the repurchase of up to 1,800,000 shares of common stock. For the nine months ended September 30, 2020, the Company repurchased and retired 820,328 shares of its common stock at an average price of $31.33 per share. The Company did not repurchase shares during the three months ended September 30, 2020. Cumulatively under the program, as of September 30, 2020, the Company has repurchased and retired 1,488,519 common shares for the total cost of $50.0 million under the current repurchase plan.

On April 1, 2020, to facilitate the acquisition of Revere and as previously approved by the Company’s Board of Directors, the Company issued an additional 12,768,949 shares of the Company’s common stock at $22.64 per share. See to Note 2 for additional information on the acquisition of Revere.

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SHARE BASED COMPENSATION

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

SHARE BASED COMPENSATION

SHARE BASED COMPENSATION

At September 30, 2020, the Company had two share based compensation plans in existence, the 2005 Omnibus Stock Plan (“Omnibus Stock Plan”) and the 2015 Omnibus Incentive Plan (“Omnibus Incentive Plan”). The Omnibus Stock Plan expired during the second quarter of 2015 but has outstanding options that may still be exercised. The Omnibus Incentive Plan is described in the following paragraph.

The Company’s Omnibus Incentive Plan was approved on May 6, 2015 and provides for the granting of incentive stock options, non-qualifying stock options, stock appreciation rights, restricted stock grants, restricted stock units and performance share units to selected directors and employees on a periodic basis at the discretion of the Company’s Board of Directors. The Omnibus Incentive Plan authorizes the issuance of up to 1,500,000 shares of common stock, of which 908,499 are available for issuance at September 30, 2020, has a term of ten years, and is administered by a committee of at least three directors appointed by the Board of Directors. Options granted under the plan have an exercise price which may not be less than 100% of the fair market value of the common stock on the date of the grant and must be exercised within seven or ten years from the date of grant depending on the terms of the grant agreement. The exercise price of stock options must be paid for in full in cash or shares of common stock, or a combination of both. The board committee has the discretion when making a grant of stock options to impose restrictions on the shares to be purchased upon the exercise of such options. The Company generally issues authorized but previously unissued shares to satisfy option exercises.

The dividend yield is based on estimated future dividend yields. The risk-free rate for periods within the contractual term of the share option is based on the U.S. Treasury yield curve in effect at the time of the grant. Expected volatilities are generally based on historical volatilities. The expected term of share options granted is generally derived from historical experience.

Compensation expense is recognized on a straight-line basis over the vesting period of the respective stock option, restricted stock, restricted stock unit grant or performance share units. The Company recognized compensation expense of $1.0 million and $0.7 million for the three months ended September 30, 2020 and 2019, respectively, and of $2.8 million and $2.1 million, for the nine months ended September 30, 2020 and 2019, respectively, related to the awards of stock options, restricted stock grants, restricted stock unit grants and performance share unit grants. The total of unrecognized compensation cost related to stock options was not significant as of September 30, 2020, and is expected to be recognized within one year. The fair value of the options vested during the nine months ended September 30, 2020 and 2019, was $0.1 million and $0.2 million, respectively. The total of unrecognized compensation cost related to restricted stock awards, restricted stock unit grants, and performance share unit grants was approximately $9.1 million as of September 30, 2020. That cost is expected to be recognized over a weighted average period of approximately 2.8 years.

The Company did not grant restricted shares, restricted stock units and performance share units during the three months ended September 30, 2020. During the nine months ended September 30, 2020, the Company granted 246,015 restricted shares, restricted stock units and performance share units, of which 44,905 units are subject to achievement of certain performance conditions measured over a three year performance period and 201,110 of restricted shares or units subject to a three- or five-year vesting schedule. The Company issued 395,298 stock options at a weighted average grant-date fair value of $9.14 during the second quarter of 2020, due to a conversion of stock options held prior to the Acquisition Date by Revere employees. The fair value of the options issued were considered part of the consideration transferred and were therefore recorded as an adjustment to goodwill. See Note 2 for additional information on the acquisition of Revere. The Company did not grant any stock options under the Omnibus Incentive Plan during the three or nine months ended September 30, 2020

A summary of share option activity for the period indicated is reflected in the following table:

	Number of Common Shares	Weighted Average Exercise Share Price		Weighted Average Contractual Remaining Life (Years)	Aggregate Intrinsic Value (in thousands)
Balance at Balance at January 1, 2020	65,279	$	31.34		$	485
Granted	—	$	—
Converted options from Revere acquisition	395,298	$	12.27
Exercised	(10,213)	$	16.07		$	123
Forfeited	(765)	$	39.02
Expired	(703)	$	28.26
Balance at September 30, 2020	448,896	$	14.89	3.1	$	4,383
Exercisable at September 30, 2020	444,132	$	14.64	3.1	$	4,383

A summary of the activity for the Company’s restricted stock, restricted stock units and performance share units for the period indicated is presented in the following table:

	Number of Common Shares/Units	Weighted Average Grant-Date Fair Value
Non-vested at Non-vested at January 1, 2020	226,502	$	35.43
Granted	246,015	$	25.82
Vested	(66,533)	$	34.38
Forfeited/ cancelled	(9,363)	$	43.71
Non-vested at September 30, 2020	396,621	$	29.45

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PENSION PLAN

9 Months Ended

Sep. 30, 2020

Retirement Benefits [Abstract]

PENSION PLAN

PENSION PLAN

Defined Benefit Pension Plan

The Company has a qualified, noncontributory, defined benefit pension plan (the “Plan”). Benefits after January 1, 2005, are based on the benefit earned as of December 31, 2004, plus benefits earned in future years of service based on the employee’s compensation during each such year. All benefit accruals for employees were frozen as of December 31, 2007 based on past

service and thus salary increases and additional years of service after such date no longer affect the defined benefit provided by the Plan, although additional vesting may continue to occur.

The Company's funding policy is to contribute amounts to the Plan sufficient to meet the minimum funding requirements of the Employee Retirement Income Security Act of 1974 (“ERISA”), as amended. In addition, the Company contributes additional amounts as it deems appropriate based on benefits attributed to service prior to the date of the Plan freeze. The Plan invests primarily in a diversified portfolio of managed fixed income and equity funds.

The components of net periodic benefit cost for the periods indicated are presented in the following table:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2020		2019		2020		2019
Interest cost on projected benefit obligation	$	359	$	403	$	1,078	$	1,207
Expected return on plan assets	(456)		(412)		(1,368)		(1,236)
Recognized net actuarial loss	219		264		656		794
Net periodic benefit cost	$	122	$	255	$	366	$	765

The decision as to whether or not to make a plan contribution and the amount of any such contribution is dependent on a number of factors. Such factors include the investment performance of Plan assets in the current economy and, since the Plan is currently frozen, the remaining investment horizon of the Plan. After consideration of these factors, the Company has not made a contribution during the nine months ended September 30, 2020. Management continues to monitor the funding level of the Plan and may make additional contributions as necessary during 2020.

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NET INCOME PER COMMON SHARE

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

NET INCOME PER COMMON SHARE

NET INCOME PER COMMON SHARE

The calculation of net income per common share for the periods indicated is presented in the following table:

	Three Months Ended September 30,				Nine Months Ended September 30,
(Dollars and amounts in thousands, except per share data)	2020		2019		2020		2019
Net income	$	44,642	$	29,383	$	40,291	$	87,976
Distributed and undistributed earnings allocated to participating securities	373		186		317		570
Net income attributable to common shareholders	$	44,269	$	29,197	$	39,974	$	87,406
Total weighted average outstanding shares	47,415		35,850		43,261		35,829
Less: Weighted average participating securities	397		228		355		237
Basic weighted average common shares	47,018		35,622		42,906		35,592
Dilutive weighted average common stock equivalents	157		50		165		50
Diluted weighted average common shares	47,175		35,672		43,071		35,642
Basic net income per common share	$	0.94	$	0.82	$	0.93	$	2.46
Diluted net income per common share	$	0.94	$	0.82	$	0.93	$	2.45
Anti-dilutive shares	37		8		22		10

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ACCUMULATED OTHER COMPREHENSIVE INCOME/ (LOSS)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

ACCUMULATED OTHER COMPREHENSIVE INCOME/ (LOSS)

ACCUMULATED OTHER COMPREHENSIVE INCOME/ (LOSS)

Comprehensive income/ (loss) is defined as net income/ (loss) plus transactions and other occurrences that are the result of non-owner changes in equity. For Condensed Consolidated Financial Statements presented for the Company, non-owner changes in equity are comprised of unrealized gains or losses on investments available-for-sale and any minimum pension liability adjustments.

The following table presents the activity in net accumulated other comprehensive income/ (loss) and the components of the activity for the periods indicated:

(In thousands)	Unrealized Gains on Investments Available-for-Sale		Defined Benefit Pension Plan		Total
Balance at January 1, 2020	$	4,000	$	(8,332)	$	(4,332)
Other comprehensive income before reclassification, net of tax	21,650		—		21,650
Reclassifications from accumulated other comprehensive income, net of tax	(322)		497		175
Current period change in other comprehensive income, net of tax	21,328		497		21,825
Balance at September 30, 2020	$	25,328	$	(7,835)	$	17,493

(In thousands)	Unrealized Gains/ (Losses) on Investments Available-for-Sale		Defined Benefit Pension Plan		Total
Balance at January 1, 2019	$	(6,630)	$	(9,124)	$	(15,754)
Other comprehensive income before reclassification, net of tax	12,475		—		12,475
Reclassifications from accumulated other comprehensive income, net of tax	(15)		586		571
Current period change in other comprehensive income, net of tax	12,460		586		13,046
Balance at September 30, 2019	$	5,830	$	(8,538)	$	(2,708)

The following table provides the information on the reclassification adjustments out of accumulated other comprehensive income/ (loss) for the periods indicated:

	Nine Months Ended September 30,
(In thousands)	2020		2019
Unrealized gains on investments available-for-sale:
Affected line item in the Statements of Income:
Investment securities gains	$	432	$	20
Income before taxes	432		20
Tax expense	(110)		(5)
Net income	$	322	$	15
Amortization of defined benefit pension plan items:
Affected line item in the Statements of Income:
Recognized actuarial loss (1)	$	(656)	$	(794)
Loss before taxes	(656)		(794)
Tax benefit	159		208
Net loss	$	(497)	$	(586)

(1)This amount is included in the computation of net periodic benefit cost. See Note 11 for additional information on the pension plan.

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LEASES

9 Months Ended

Sep. 30, 2020

Leases [Abstract]

LEASES

LEASES

The Company leases real estate properties for its network of bank branches, financial centers and corporate offices. All of the Company’s leases are currently classified as operating. Most lease agreements include one or more options to renew, with renewal terms that can extend the original lease term from one to twenty years or more. The Company does not sublease any of its leased real estate properties.

The following table provides information regarding the Company's leases as of the dates indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Components of lease expense:
Operating lease cost (resulting from lease payments)	$	3,154	$	2,912	$	9,281	$	8,605
Supplemental cash flow information related to leases:
Operating cash flows from operating leases	$	4,158	$	2,349	$	10,160	$	6,653
ROU assets obtained in the exchange for lease liabilities due to:
New leases	$	—	$	—	$	—	$	—
Acquisitions	$	—	$	—	$	7,720	$	—
					September 30, 2020		December 31, 2019
Supplemental balance sheet information related to leases:
Operating lease ROU assets					$	67,554	$	69,320
Operating lease liabilities					$	77,506	$	76,871
Other information related to leases:
Weighted average remaining lease term of operating leases					9.6 years		10.4 years
Weighted average discount rate of operating leases					3.10%		3.28%

 

The Company added two locations from the acquisition of RPJ during the first quarter of 2020. The associated new ROU assets obtained in exchange for lease obligations totaled $0.3 million.

On April 1, 2020, in conjunction with the acquisition of Revere, the Company added 15 additional operating leases (at 12 locations), one of which is expected to commence operations in 2021. The associated new ROU assets of $7.4 million obtained in exchange for lease obligations of $8.7 million was recorded at the close of the acquisition. The ROU assets recorded at acquisition included $1.1 million for acquisition related unfavorable fair value marks and a tenant allowance of $0.2 million. During the three months ended June 30, 2020, subsequent to and resulting from the acquisition, the Company determined that due to market overlap and other synergies, the Company would more-likely-than-not terminate seven of the acquired leases, comprised of six branch locations and one office space location. The decision resulted in an impairment charge of $2.3 million, which was recorded to Merger and acquisition expense in the Condensed Consolidated Statements of Income during the second quarter of 2020. The Company estimated the fair value of the leases to be equal to the cash payments remaining between the impairment date and the anticipated abandonment date.

At September 30, 2020, the maturities of the Company’s operating lease liabilities were as follows:

 

(In thousands)	Amount
Maturity:
Remaining for 2020	$	3,280
2021	12,634
2022	11,029
2023	10,882
2024	9,064
Thereafter	44,407
Total undiscounted lease payments	91,296
Less: Present value discount	(13,790)
Lease Liability	$	77,506

The Company recognized a lease liability of $2.1 million and ROU asset of $1.4 million for one additional operating lease that has not yet commenced operations at September 30, 2020, and is expected to commence operations in 2021. This ROU asset includes approximately $0.2 million of tenant allowance for improvements to the space and $0.5 million for an acquisition

related unfavorable fair market value adjustment. The Company does not have any lease arrangements with any of its related parties as of September 30, 2020.

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DERIVATIVES	9 Months Ended
	Sep. 30, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
DERIVATIVES	DERIVATIVESThe Company has entered into interest rate swaps (“swaps”) to facilitate customer transactions and meet their financing needs. These swaps qualify as derivatives, but are not designated as hedging instruments. Interest rate swap contracts involve the risk of dealing with counterparties and their ability to meet contractual terms. When the fair value of a derivative instrument contract is positive, this generally indicates that the counterparty or customer owes the Company and results in credit risk to the Company. When the fair value of a derivative instrument contract is negative, the Company owes the customer or counterparty and, therefore, has no credit risk. The notional value of the swaps outstanding was $240.1 million with a fair value of $10.2 million as of September 30, 2020 compared to $204.7 million with a fair value of $2.5 million as of December 31, 2019. The swap positions are offset to minimize the potential impact on the Company’s Condensed Consolidated Financial Statements. Fair values of the swaps are carried as both gross assets and gross liabilities in other assets and other liabilities, respectively, in the Condensed Consolidated Statements of Condition. The associated net gains and losses on the swaps are recorded in Other income in the Condensed Consolidated Statements of Income.

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LITIGATION	9 Months Ended
	Sep. 30, 2020
Commitments and Contingencies Disclosure [Abstract]
LITIGATION	LITIGATIONThe Company and its subsidiaries are subject in the ordinary course of business to various pending or threatened legal proceedings in which claims for monetary damages are asserted. After consultation with legal counsel, management does not anticipate that the ultimate liability, if any, arising out of these legal matters will have a material adverse effect on the Company's financial condition, operating results or liquidity.

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FAIR VALUE

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

FAIR VALUE

FAIR VALUE

GAAP provides entities the option to measure eligible financial assets, financial liabilities and commitments at fair value (i.e. the fair value option), on an instrument-by-instrument basis, that are otherwise not permitted to be accounted for at fair value under other accounting standards. The election to use the fair value option is available when an entity first recognizes a financial asset or financial liability or upon entering into a commitment. Subsequent changes in fair value must be recorded in earnings. The Company applies the fair value option on residential mortgage loans held for sale. The fair value option on residential mortgage loans held for sale allows the recognition of gains on the sale of mortgage loans to more accurately reflect the timing and economics of the transaction.

The standard for fair value measurement establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are described below.

Basis of Fair Value Measurement:

Level 1- Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities;

Level 2- Quoted prices in markets that are not active, or inputs that are observable, either directly or indirectly, for substantially the full term of the asset or liability;

Level 3- Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e. supported by little or no market activity).

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

Changes to interest rates may result in changes in the cash flows due to prepayments or extinguishments. Accordingly, changes to interest rates could result in higher or lower measurements of the fair values.

Assets and Liabilities

Residential mortgage loans held for sale

Residential mortgage loans held for sale are valued based on quotations from the secondary market for similar instruments and are classified as Level 2 in the fair value hierarchy.

Investments available-for-sale

U.S. treasuries and government agencies securities and mortgage-backed and asset-backed securities

Valuations are based on active market data and use of evaluated broker pricing models that vary based by asset class and includes available trade, bid, and other market information. Generally, the methodology includes broker quotes, proprietary

models, descriptive terms, and databases coupled with extensive quality control programs. Quality control evaluation processes use available market, credit and deal level information to support the evaluation of the security. Additionally, proprietary models and pricing systems, mathematical tools, actual transacted prices, integration of market developments and experienced evaluators are used to determine the value of a security based on a hierarchy of market information regarding a security or securities with similar characteristics. The Company does not adjust the quoted price for such securities. Such instruments are classified within Level 2 in the fair value hierarchy.

State and municipal securities

The Company primarily uses prices obtained from third-party pricing services to determine the fair value of securities. The Company independently evaluates and corroborates the fair value received from pricing services through various methods and techniques, including references to dealer or other market quotes, by reviewing valuations of comparable instruments, and by comparing the prices realized on the sale of similar securities. Such securities are classified within Level 2 in the fair value hierarchy.

Corporate debt

The fair value of corporate debt is determined by utilizing a discounted cash flow valuation technique employed by a third-party valuation specialist. The third-party specialist uses assumptions related to yield, prepayment speed, conditional default rates and loss severity based on certain factors such as, credit worthiness of the counterparty, prevailing market rates, and analysis of similar securities. The Company evaluates the fair values provided by the third-party specialist for reasonableness and classifies them as level 3 in the fair value hierarchy.

Interest rate swap agreements

Interest rate swap agreements are measured by alternative pricing sources using a discounted cash flow method that incorporates current market interest rates. Based on the complex nature of interest rate swap agreements, the markets these instruments trade in are not as efficient and are less liquid than that of the more mature Level 1 markets. These characteristics classify interest rate swap agreements as Level 2 in the fair value hierarchy.

Assets Measured at Fair Value on a Recurring Basis

The following tables set forth the Company’s financial assets and liabilities at the dates indicated that were accounted for or disclosed at fair value. Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	September 30, 2020
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(In thousands)	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Residential mortgage loans held for sale (1)	$	—	$	88,728	$	—	$	88,728
Investments available-for-sale:
U.S. treasuries and government agencies	—		139,405		—		139,405
State and municipal	—		352,987		—		352,987
Mortgage-backed and asset-backed	—		852,314		—		852,314
Corporate debt	—		—		12,499		12,499
Total investments available-for-sale	—		1,344,706		12,499		1,357,205
Interest rate swap agreements	—		10,223		—		10,223
Total assets	$	—	$	1,443,657	$	12,499	$	1,456,156
Liabilities:
Interest rate swap agreements	$	—	$	(10,223)	$	—	$	(10,223)
Total liabilities	$	—	$	(10,223)	$	—	$	(10,223)

 (1) The outstanding principal balance for residential loans held for sale as of September 30, 2020 was $85.8 million.

	December 31, 2019
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(In thousands)	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Residential mortgage loans held for sale	$	—	$	53,701	$	—	$	53,701
Investments available-for-sale:
U.S. treasuries and government agencies	—		258,495		—		258,495
State and municipal	—		233,649		—		233,649
Mortgage-backed and asset-backed	—		570,759		—		570,759
Corporate debt	—		—		9,552		9,552
Trust preferred	—		—		310		310
Total debt securities	—		1,062,903		9,862		1,072,765
Marketable equity securities	—		568		—		568
Total investments available-for-sale	—		1,063,471		9,862		1,073,333
Interest rate swap agreements	—		2,507		—		2,507
Total assets	$	—	$	1,119,679	$	9,862	$	1,129,541
Liabilities:
Interest rate swap agreements	$	—	$	(2,507)	$	—	$	(2,507)
Total liabilities	$	—	$	(2,507)	$	—	$	(2,507)

 (1) The outstanding principal balance for residential loans held for sale as of December 31, 2019 was $52.6 million.

The following table provides a change in the fair value of assets measured in the Condensed Consolidated Statements of Condition at fair value with significant unobservable inputs (Level 3) on a recurring basis for the period indicated:

	Significant Unobservable Inputs
(In thousands)	(Level 3)
Investments available-for-sale:
Balance at January 1, 2020	$	9,862
Additions of Level 3 assets	3,050
Sales of Level 3 assets	(349)
Total unrealized loss included in other comprehensive income/ (loss)	(64)
Balance at September 30, 2020	$	12,499

Assets Measured at Fair Value on a Nonrecurring Basis

The following tables set forth the Company’s financial assets subject to fair value adjustments on a nonrecurring basis at the date indicated that are valued at the lower of cost or market. Assets are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	September 30, 2020
(In thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Total Losses
Loans	$	—	$	—	$	14,325	$	14,325	$	(11,326)
Other real estate owned	—		—		1,671		1,671		(282)
Total	$	—	$	—	$	15,996	$	15,996	$	(11,608)

	December 31, 2019
(In thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Total Losses
Loans	$	—	$	—	$	6,886	$	6,886	$	(6,299)
Other real estate owned	—		—		1,482		1,482		(281)
Total	$	—	$	—	$	8,368	$	8,368	$	(6,580)

At September 30, 2020, loans totaling $56.1 million were written down to fair value of $47.8 million as a result of individual credit loss allowances of $8.3 million associated with the collateral dependent loans. Loans totaling $24.8 million were written down to fair value of $19.3 million at December 31, 2019 as a result of individual credit loss allowances of $5.5 million associated with the collateral dependent loans.

Fair value of the collateral dependent loans is measured based on the loan’s observable market price or the fair value of the collateral (less estimated selling costs). Collateral may be real estate and/or business assets such as equipment, inventory and/or accounts receivable. The value of business equipment, inventory and accounts receivable collateral is based on net book value on the business’ financial statements and, if necessary, discounted based on management’s review and analysis. Appraised and reported values may be discounted based on management’s historical experience, changes in market conditions from the time of valuation, and/or management’s expertise and knowledge of the client and client’s business. Collateral dependent loans are reviewed and evaluated on at least a quarterly basis for additional individual reserve and adjusted accordingly, based on the factors identified above.

OREO is adjusted to fair value upon acquisition of the real estate collateral. Subsequently, OREO is carried at the lower of carrying value or fair value. The estimated fair value for OREO included in Level 3 is determined by independent market based appraisals and other available market information, less costs to sell, that may be reduced further based on market expectations or an executed sales agreement. If the fair value of the collateral deteriorates subsequent to initial recognition, the Company records the OREO as a nonrecurring Level 3 adjustment. Valuation techniques are consistent with those techniques applied in prior periods.

Fair Value of Financial Instruments

The Company discloses fair value information, based on the exit price notion, of financial instruments that are not measured at fair value in the financial statements. Fair value is the amount at which a financial instrument could be exchanged in a current transaction between willing parties, other than in a forced sale or liquidation, and is best evidenced by a quoted market price, if one exists.

Quoted market prices, where available, are shown as estimates of fair market values. Because no quoted market prices are available for a significant portion of the Company's financial instruments, the fair value of such instruments has been derived based on the amount and timing of future cash flows and estimated discount rates based on observable inputs (“Level 2”) or unobservable inputs (“Level 3”).

Present value techniques used in estimating the fair value of many of the Company's financial instruments are significantly affected by the assumptions used. In that regard, the derived fair value estimates cannot be substantiated by comparison to independent markets and, in many cases, could not be realized in immediate cash settlement of the instrument. Additionally, the accompanying estimates of fair values are only representative of the fair values of the individual financial assets and liabilities, and should not be considered an indication of the fair value of the Company. Management utilizes internal models used in asset liability management to determine the fair values disclosed below.

The carrying amounts and fair values of the Company’s financial instruments at the dates indicated are presented in the following tables:

					Fair Value Measurements
	September 30, 2020				Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(In thousands)	Carrying Amount		Estimated Fair Value
Financial assets:
Cash and cash equivalents	$	224,883	$	224,883	$	224,883	$	—	$	—
Residential mortgage loans held for sale	88,728		88,728		—		88,728		—
Investments available-for-sale	1,357,205		1,357,205		—		1,344,706		12,499
Equity securities	68,528		68,528		68,528		—		—
Loans, net of allowance	10,163,621		10,332,039		—		—		10,332,039
Interest rate swap agreements	10,223		10,223		—		10,223		—
Accrued interest receivable	48,176		48,176		48,176		—		—
Bank owned life insurance	126,182		126,182		—		126,182		—
Financial liabilities:
Time deposits	$	1,868,285	$	1,889,807	$	—	$	1,889,807	$	—
Other deposits	8,096,684		8,096,684		8,096,684		—		—
Securities sold under retail repurchase agreements and
federal funds purchased	462,706		462,889		—		462,889		—
Advances from FHLB	444,210		457,875		—		457,875		—
Subordinated debt	230,300		234,808		—		—		234,808
Interest rate swap agreements	10,223		10,223		—		10,223		—
Accrued interest payable	6,822		6,822		6,822		—		—

					Fair Value Measurements
	December 31, 2019				Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(In thousands)	Carrying Amount		Estimated Fair Value
Financial assets:
Cash and cash equivalents	$	146,103	$	146,103	$	146,103	$	—	$	—
Residential mortgage loans held for sale	53,701		53,701		—		53,701		—
Investments available-for-sale	1,073,333		1,073,333		—		1,063,471		9,862
Equity securities	51,803		51,803		51,803		—		—
Loans, net of allowance	6,649,100		6,628,054		—		—		6,628,054
Interest rate swap agreements	2,507		2,507		—		2,507		—
Accrued interest receivable	23,282		23,282		23,282		—		—
Bank owned life insurance	113,171		113,171		—		113,171		—
Financial liabilities:
Time deposits	$	1,542,322	$	1,547,116	$	—	$	1,547,116	$	—
Other deposits	4,897,997		4,897,997		4,897,997		—		—
Securities sold under retail repurchase agreements and
federal funds purchased	213,605		213,605		—		213,605		—
Advances from FHLB	513,777		520,729		—		520,729		—
Subordinated debt	209,406		200,864		—		—		200,864
Interest rate swap agreements	2,507		2,507		—		2,507		—
Accrued interest payable	4,194		4,194		4,194		—		—

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SEGMENT REPORTING

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

SEGMENT REPORTING

SEGMENT REPORTINGCurrently, the Company conducts business in three operating segments - Community Banking, Insurance and Investment Management. Each of the operating segments is a strategic business unit that offers different products and services. The Insurance and Investment Management segments were businesses that were acquired in separate transactions where management of the acquired business was retained. The accounting policies of the segments are the same as those of the Company. However, the segment data reflects inter-segment transactions and balances.

The Community Banking segment is conducted through Sandy Spring Bank and involves delivering a broad range of financial products and services, including various loan and deposit products, to both individuals and businesses. Parent company income and assets are included in the Community Banking segment, as the majority of parent company functions is related to this segment. Beginning on April 1, 2020, the Community Banking segment includes the impact from the Revere acquisition. Major revenue sources include net interest income, gains on sales of mortgage loans, trust income fees and service charges on deposit accounts. Expenses include personnel, occupancy, marketing, equipment and other expenses. Non-cash charges associated with amortization of intangibles were $1.4 million and $0.4 million for the three months ended September 30, 2020 and 2019, respectively, and were $3.2 million and $1.3 million for the nine months ended September 30, 2020 and 2019, respectively.

The Insurance segment is conducted through Sandy Spring Insurance, a subsidiary of the Bank. Sandy Spring Insurance operates Sandy Spring Insurance, a general insurance agency located in Annapolis, Maryland, and Neff and Associates, located in Ocean City, Maryland. Major sources of revenue are insurance commissions from commercial lines, personal lines, and medical liability lines. Expenses include personnel, occupancy, support charges and other expenses. Non-cash charges associated with amortization of intangibles were not significant for the three and nine months ended September 30, 2020 and 2019.

The Investment Management segment is conducted through West Financial and RPJ, subsidiaries of the Bank. These asset management and financial planning firms, located in McLean, Virginia and Falls Church, Virginia, respectively, provide comprehensive investment management and financial planning to individuals, families, small businesses and associations, including cash flow analysis, investment review, tax planning, retirement planning, insurance analysis and estate planning. West Financial and RPJ had approximately $3.1 billion in combined assets under management as of September 30, 2020. Major revenue sources include non-interest income earned on the above services. Expenses include personnel, occupancy, support charges and other expenses. Non-cash charges associated with amortization of intangibles were $0.5 million and $1.4 million for the three and nine months ended September 30, 2020, and were not significant for the same periods in the prior year.

Information for the operating segments and reconciliation of the information to the Condensed Consolidated Financial Statements for the periods indicated are presented in the following tables:

	Three Months Ended September 30, 2020
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	112,985	$	1	$	1	$	(3)	$	112,984
Interest expense	15,503		—		—		(3)		15,500
Provision for credit losses	7,003		—		—		—		7,003
Non-interest income	24,746		2,119		2,746		(221)		29,390
Non-interest expense	57,856		1,580		1,722		(221)		60,937
Income before income taxes	57,369		540		1,025		—		58,934
Income tax expense	13,912		149		231		—		14,292
Net income	$	43,457	$	391	$	794	$	—	$	44,642
Assets	$	12,678,396	$	11,289	$	57,088	$	(68,642)	$	12,678,131

	Three Months Ended September 30, 2019
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	87,068	$	13	$	4	$	(3)	$	87,082
Interest expense	20,295		—		—		(3)		20,292
Provision for credit losses	1,524		—		—		—		1,524
Non-interest income	14,080		2,123		2,538		(168)		18,573
Non-interest expense	41,806		1,635		1,652		(168)		44,925
Income before income taxes	37,523		501		890		—		38,914
Income tax expense	9,162		138		231		—		9,531
Net income	$	28,361	$	363	$	659	$	—	$	29,383
Assets	$	8,437,588	$	11,615	$	22,033	$	(33,698)	$	8,437,538

	Nine Months Ended September 30, 2020
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	311,771	$	5	$	3	$	(10)	$	311,769
Interest expense	48,447		—		—		(10)		48,437
Provision for credit losses	90,158		—		—		—		90,158
Non-interest income	57,976		5,446		7,705		(645)		70,482
Non-interest expense	184,921		4,319		5,526		(645)		194,121
Income before income taxes	46,221		1,132		2,182		—		49,535
Income tax expense	8,396		313		535		—		9,244
Net income	$	37,825	$	819	$	1,647	$	—	$	40,291
Assets	$	12,678,396	$	11,289	$	57,088	$	(68,642)	$	12,678,131

	Nine Months Ended September 30, 2019
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	262,465	$	15	$	9	$	(10)	$	262,479
Interest expense	62,764		—		—		(10)		62,754
Provision for credit losses	3,029		—		—		—		3,029
Non-interest income	39,643		5,296		7,660		(501)		52,098
Non-interest expense	123,876		4,359		5,270		(501)		133,004
Income before income taxes	112,439		952		2,399		—		115,790
Income tax expense	26,924		265		625		—		27,814
Net income	$	85,515	$	687	$	1,774	$	—	$	87,976
Assets	$	8,437,588	$	11,615	$	22,033	$	(33,698)	$	8,437,538

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SIGNIFICANT ACCOUNTING POLICIES (Policies)

9 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Nature of Operations

Nature of Operations

Sandy Spring Bancorp, Inc. ("Sandy Spring" or, together with its subsidiaries, the "Company"), a Maryland corporation, is the bank holding company for Sandy Spring Bank (the “Bank”). Independent and community-oriented, Sandy Spring Bank offers a broad range of commercial banking, retail banking, mortgage services and trust services throughout central Maryland, Northern Virginia, and the greater Washington, D.C. market. Sandy Spring Bank also offers a comprehensive menu of insurance and wealth management services through its subsidiaries, Sandy Spring Insurance Corporation (“Sandy Spring Insurance”), West Financial Services, Inc. (“West Financial”) and Rembert Pendleton Jackson (“RPJ”).

Basis of Presentation

Basis of Presentation

The accounting and reporting policies of the Company conform to accounting principles generally accepted in the United States of America (“GAAP”), prevailing practices within the financial services industry for interim financial information and Rule 10-01 of Regulation S-X. Accordingly, the interim financial statements do not include all of the information and notes required for complete financial statements. The following summary of significant accounting policies of the Company is presented to assist the reader in understanding the financial and other data presented in this report. Operating results for the three and nine months ended September 30, 2020 are not necessarily indicative of the results that may be expected for any future periods or for the year ending December 31, 2020. In the opinion of management, all adjustments necessary for a fair presentation of the results of the interim periods have been included. Certain reclassifications have been made to prior period amounts, as necessary, to conform to the current period presentation. The Company has evaluated subsequent events through the date of the issuance of its financial statements.

These statements should be read in conjunction with the financial statements and accompanying notes included in the Company’s 2019 Annual Report on Form 10-K as filed with the Securities and Exchange Commission (“SEC”) on February 21, 2020. With the exception of the adoption of ASC 326 – Financial Instruments – Credit Losses, commonly referred to as Current Expected Credit Losses ("CECL") standard, during the first quarter of 2020, there have been no other significant changes to any of the Company’s accounting policies as disclosed in the 2019 Annual Report on Form 10-K.

Principles of Consolidation

Principles of Consolidation

The unaudited Condensed Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiary, Sandy Spring Bank, and its subsidiaries, Sandy Spring Insurance, West Financial and RPJ. Consolidation has resulted in the elimination of all intercompany accounts and transactions. See Note 18 for more information on the Company’s segments and consolidation.

Use of Estimates

Use of Estimates

The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements, in addition to affecting the reported amounts of revenues earned and expenses incurred during the reporting period. Actual results could differ from those estimates. Estimates that could change significantly relate to the provision for credit losses and the related allowance, potential impairment of goodwill or other intangible assets, valuation of investment securities and the determination of whether available-for-sale debt securities with fair values less than amortized costs are impaired and require an allowance for credit losses, valuation of other real estate owned, valuation of share based compensation, the assessment that a liability should be recognized with respect to any matters under litigation, the calculation of current and deferred income taxes, and the actuarial projections related to pension expense and the related liability.

Cash Flows

Cash Flows

For purposes of reporting cash flows, cash and cash equivalents include cash and due from banks, federal funds sold and interest-bearing deposits with banks (items with stated original maturity of three months or less).

Revenue from Contracts with Customers

Revenue from Contracts with Customers

The Company’s revenue includes net interest income on financial instruments and non-interest income. Specific categories of revenue are presented in the Condensed Consolidated Statements of Income. Most of the Company’s revenue is not within the scope of Accounting Standard Codification (“ASC”) 606 – Revenue from Contracts with Customers. For revenue within the scope of ASC 606, the Company provides services to customers and has related performance obligations. The revenue from such services is recognized upon satisfaction of all contractual performance obligations. The following discusses key revenue streams within the scope of revenue recognition guidance.

Wealth Management Income

West Financial and RPJ provide comprehensive investment management and financial planning services. Wealth management income is comprised of income for providing trust, estate and investment management services. Trust services include acting as a trustee for corporate or personal trusts. Investment management services include investment management, record-keeping and reporting of security portfolios. Fees for these services are recognized based on a contractually-agreed fixed percentage applied to net assets under management at the end of each reporting period. The Company does not charge/recognize any performance-based fees.

Insurance Agency Commissions

Sandy Spring Insurance, a subsidiary of the Bank, performs the function of an insurance intermediary by introducing the policyholder and insurer and is compensated by a commission fee for placement of an insurance policy. Sandy Spring Insurance does not provide any captive management services or any claim handling services. Commission fees are set as a percentage of the premium for the insurance policy for which Sandy Spring Insurance is a producer. Sandy Spring Insurance recognizes revenue when the insurance policy has been contractually agreed to by the insurer and policyholder (at transaction date).

Service Charges on Deposit Accounts

Service charges on deposit accounts are earned on depository accounts for consumer and commercial account holders and include fees for account and overdraft services. Account services include fees for event-driven services and periodic account maintenance activities. An obligation for event-driven services is satisfied at the time of the event when service is delivered and revenue recognized as earned. Obligation for maintenance activities is satisfied over the course of each month and revenue is recognized at month end. The overdraft services obligation is satisfied at the time of the overdraft and revenue is recognized as earned.

Loan Financing Receivables

Loan Financing Receivables

The Company’s financing receivables consist primarily of loans that are stated at their principal balance outstanding, net of any unearned income, acquisition fair value marks and deferred loan origination fees and costs. Interest income on loans is accrued at the contractual rate based on the principal balance outstanding. Loan origination fees, net of certain direct origination costs, are deferred and recognized as an adjustment of the related loan yield using the interest method.

The Company has provided short term deferrals of loan principal and/or interest payments up to 180 days for customers who are affected by the COVID-19 pandemic. Customers receiving payment deferrals must meet certain criteria, such as being in good standing and not more than 30 days past due prior to the pandemic. In most cases, the deferred principal and/or interest amounts will be collected at the end of the life of the loan and will not accrue additional interest. The granting of a deferral of principal and/or interest under the Coronavirus Aid, Relief, and Economic Security (“CARES”) Act does not subject the loan to the past due, non-accrual, or troubled debt restructurings (“TDR”) policies described below. The following discussions of past due, non-accrual, and TDR policies remain valid for situations not covered by the CARES Act.

Loans are considered past due or delinquent when the principal or interest due in accordance with the contractual terms of the loan agreement or any portion thereof remains unpaid after the due date of the scheduled payment. Immaterial shortfalls in payment amounts do not necessarily result in a loan being considered delinquent or past due. If any payments are past due and subsequent payments are resumed without payment of the delinquent amount, the loan shall continue to be considered past due. Whenever any loan is reported delinquent on a principal or interest payment or portion thereof, the amount reported as delinquent is the outstanding principal balance of the loan.

Loans, except for consumer installment loans, are placed into non-accrual status when any portion of the loan principal or interest becomes 90 days past due. Management may determine that certain circumstances warrant earlier discontinuance of interest accruals on specific loans if an evaluation of other relevant factors (such as bankruptcy, interruption of cash flows, etc.) indicates collection of amounts contractually due is unlikely. These loans are considered, collectively, to be non-performing loans. Consumer installment loans that are not secured by real estate are not placed on non-accrual, but are charged down to their net realizable value when they are four months past due. Loans designated as non-accrual have all previously accrued but unpaid interest reversed. Interest income is not recognized on non-accrual loans. All payments received on non-accrual loans are applied using a cost-recovery method to reduce the outstanding principal balance until the loan returns to accrual status. Loans may be returned to accrual status when all principal and interest amounts contractually due are brought current and future payments are reasonably assured.

Loans considered to be TDRs are loans that have their terms restructured (e.g., interest rates, loan maturity date, payment and amortization period, etc.) in circumstances that provide payment relief to a borrower experiencing financial difficulty. All restructured collateral-dependent loans are individually assessed for allowance for credit losses and may either be in accruing or

non-accruing status. Non-accruing restructured loans may return to accruing status provided doubt has been removed concerning the collectability of principal and interest as evidenced by a sufficient period of payment performance in accordance with the restructured terms. Loans may be removed from the restructured category if the borrower is no longer experiencing financial difficulty, a re-underwriting event took place, and the revised loan terms of the subsequent restructuring agreement are considered to be consistent with terms that can be obtained in the market for loans with comparable credit risk.

In accordance with provisions of the CARES Act and interagency guidance issued by the federal banking agencies, the Company does not classify COVID-19 short term loan modifications as TDRs, nor are the customers considered delinquent with regard to their deferred payments. Upon exiting the loan modification deferral program, the measurement of loan delinquency will resume where it was determined upon entry into the program.

Allowance for Credit Losses

Allowance for Credit Losses

The allowance for credit losses (“allowance” or “ACL”) represents an amount which, in management's judgment, is adequate to absorb the lifetime expected losses that may be sustained on outstanding loans at the balance sheet date based on the evaluation of the size and current risk characteristics of the loan portfolio, past events, current conditions, reasonable and supportable forecasts of future economic conditions and prepayment experience. The allowance is measured and recorded upon the initial recognition of a financial asset. The allowance is reduced by charge-offs, net of recoveries of previous losses, and is increased or decreased by a provision or credit for credit losses, which is recorded as a current period expense.

Determination of the adequacy of the allowance is inherently complex and requires the use of significant and highly subjective estimates. The reasonableness of the allowance is reviewed periodically by the Risk Committee of the Board of Directors and formally approved quarterly by that same committee of the Board.

The Company’s methodology for estimating the allowance includes: (1) a collective quantified reserve that reflects the Company’s historical default and loss experience adjusted for expected economic conditions throughout a reasonable and supportable period and the Company’s prepayment and curtailment rates; (2) collective qualitative factors that consider concentrations of the loan portfolio, expected changes to the economic forecasts, large relationships, early delinquencies, and factors related to credit administrations, including, among others, loan-to-value ratios, borrowers’ risk rating and credit score migrations; and (3) individual allowances on collateral-dependent loans where borrowers are experiencing financial difficulty or when the Company determines that the foreclosure is probable. The Company excludes accrued interest from the measurement of the allowance as the Company has a non-accrual policy to reverse any accrued, uncollected interest income as loans are moved to non-accrual status.

Loans are pooled into segments based on the similar risk characteristics of the underlying borrowers, in addition to consideration of collateral type, industry and business purpose of the loans. Portfolio segments used to estimate the allowance are the same as portfolio segments used for general credit risk management purposes. Refer to Note 4 for more details on the Company’s portfolio segments.

The Company applies two calculation methodologies to estimate the collective quantified component of the allowance: discounted cash flows method and weighted average remaining life method. Allowance estimates on commercial acquisition, development and construction (“AD&C”) and residential construction segments are based on the weighted average remaining life method. Allowance estimates on all other portfolio segments are based on the discounted cash flows method. Segments utilizing the discounted cash flows method are further sub-segmented into risk level pools, determined either by risk rating for commercial loans or Beacon Scores ranges for residential and consumer loans. To better manage risk and reasonably determine the sufficiency of reserves, this segregation allows the Company to monitor the allowance component applicable to higher risk loans separate from the remainder of the portfolio. Collective calculation methodologies utilize the Company’s historical default and loss experience adjusted for future economic forecasts. The reasonable and supportable forecast period represents a two-year economic outlook for the applicable economic variables. Following the end of the reasonable and supportable forecast period expected losses revert back to the historical mean over the next two years on a straight-line basis. Economic variables that have the most significant impact on the allowance include: unemployment rate, house price index and number of business bankruptcies. Contractual loan level cash flows within the discounted cash flows methodology are adjusted for the Company’s historical prepayment and curtailment rate experience.

The individual reserve assessment is applied to collateral dependent loans where borrowers are experiencing financial difficulty or when the Company determines that a foreclosure is probable. The determination of the fair value of the collateral depends on whether a repayment of the loan is expected to be from the sale or the operation of the collateral. When a repayment is expected from the operation of the collateral, the Company uses the present value of expected cash flows from the operation of the collateral as the fair value. When the repayment of the loan is expected from the sale of the collateral the fair value of the collateral is based on an observable market price or the collateral’s appraised value, less estimated costs to sell. Third party

appraisals used in the individual reserve assessment are conducted at least annually with underlying assumptions that are reviewed by management. Third party appraisals may be obtained on a more frequent basis if deemed necessary. Internal evaluations of collateral value are conducted quarterly to ensure any further deterioration of the collateral value is recognized on a timely basis. During the individual reserve assessment, management also considers the potential future changes in the value of the collateral over the remainder of the loan’s remaining life. The Company may receive updated appraisals which contradict the preliminary determination of fair value used to establish an individual allowance on a loan. In these instances the individual allowance is adjusted to reflect the Company’s evaluation of the updated appraised fair value. In the event a loss was previously confirmed and the loan was charged down to the estimated fair value based on a previous appraisal, the balance of partially charged-off loans are not subsequently increased, but could be further decreased depending on the direction of the change in fair value. Payments on fully or partially charged-off loans are accounted for under the cost-recovery method. Under this method, all payments received are applied on a cash basis to reduce the entire outstanding principal balance, then to recognize a recovery of all previously charged-off amounts before any interest income may be recognized. Based on the individual reserve assessment, if the Company determines that the fair value of the collateral is less than the amortized cost basis of the loan, an individual allowance will be established measured as the difference between the fair value of the collateral (less costs to sell) and the amortized cost basis of the loan. Once a loss has been confirmed, the loan is charged-down to its estimated fair value.

Large groups of smaller non-accrual homogeneous loans are not individually evaluated for allowance and include residential permanent and construction mortgages and consumer installment loans. These portfolios are reserved for on a collective basis using historical loss rates of similar loans over the weighted average life of each pool.

Management believes it uses relevant information available to make determinations about the allowance and that it has established the existing allowance in accordance with GAAP. However, the determination of the allowance requires significant judgment, and estimates of expected lifetime losses in the loan portfolio can vary significantly from the amounts actually observed. While management uses available information to recognize expected losses, future additions to the allowance may be necessary based on changes in the loans comprising the portfolio, changes in the current and forecasted economic conditions, changes to the interest rate environment which may directly impact prepayment and curtailment rate assumptions, and changes in the financial condition of borrowers.

The adoption of the CECL standard did not result in a significant change to any other credit risk management and monitoring processes, including identification of past due or delinquent borrowers, non-accrual practices, assessment of troubled debt restructurings or charge-off policies.

Acquired Loans

Acquired Loans

Loans acquired in connection with acquisitions are recorded at their acquisition-date fair value. The allowance for credit losses related to the acquired loan portfolio is not carried over. Acquired loans are classified into two categories based on the credit risk characteristics of the underlying borrowers as either purchased credit deteriorated (“PCD”) loans, or loans with no evidence of credit deterioration (“non-PCD”).

PCD loans are defined as a loan or pool of loans that have experienced more-than-insignificant credit deterioration since the origination date. The Company uses a combination of individual and pooled review approaches to determine if acquired loans are PCD. At acquisition, the Company considers a number of factors to determine if an acquired loan or pool of loans has experienced more-than-insignificant credit deterioration. These factors include:

•loans classified as non-accrual,

•loans with risk rating of special mention or worse (using the Company's risk rating scale),

•loans with multiple risk rating downgrades since origination,

•loans with evidence of being 60 days or more past due,

•loans previously modified in a troubled debt restructuring,

•loans that received an interest only or payment deferral modification, and

•loans in industries that show evidence of additional risk due to economic conditions.

The initial allowance related to PCD loans that share similar risk characteristics is established using a pooled approach. The Company uses either a discounted cash flow or weighted average remaining life method to determine the required level of the allowance. PCD loans that were classified as non-accrual as of the acquisition date and are collateral dependent are assessed for allowance on an individual basis.

For PCD loans, an initial allowance is established on the acquisition date and added to the fair value of the loan to arrive at acquisition date amortized cost. Accordingly, no provision for credit losses is recognized on PCD loans at the acquisition date.

Subsequent to the acquisition date, the initial allowance on PCD loans will increase or decrease based on future evaluations, with changes recognized in the provision for credit losses.

Non-PCD loans are pooled into segments together with originated loans that share similar risk characteristics and have an allowance established on the acquisition date, which is recognized in the current period provision for credit losses.

Determining the fair value of the acquired loans involves estimating the principal and interest payment cash flows expected to be collected on the loans and discounting those cash flows at a market rate of interest. Management considers a number of factors in evaluating the acquisition-date fair value including the remaining life, interest rate profile, market interest rate environment, payment schedules, risk ratings, probability of default and loss given default, and estimated prepayment rates. For PCD loans, the non-credit discount or premium is allocated to individual loans as determined by the difference between the loan’s unpaid principal balance and amortized cost basis. The non-credit premium or discount is recognized into interest income on a level yield basis over the remaining expected life of the loan. For non-PCD loans, the fair value discount or premium is allocated to individual loans and recognized into interest income on a level yield basis over the remaining expected life of the loan.

Leases

Leases

The Company determines if an arrangement is a lease at inception. All of the Company’s leases are currently classified as operating leases and are included in other assets and other liabilities on the Company’s Condensed Consolidated Statements of Condition.

Right-of-use (“ROU”) assets represent the Company’s right to use an underlying asset for the lease term, and lease liabilities represent the Company’s obligation to make lease payments arising from the lease arrangements. Operating lease ROU assets and liabilities are recognized at the lease commencement date based on the present value of the expected future lease payments over the remaining lease term. In determining the present value of future lease payments, the Company uses its incremental borrowing rate based on the information available at the lease commencement date. The operating ROU assets are adjusted for any lease payments made at or before the lease commencement date, initial direct costs, any lease incentives received and, for acquired leases, any favorable or unfavorable fair value adjustments. The present value of the lease liability may include the impact of options to extend or terminate the lease when it is reasonably certain that the Company will exercise such options provided in the lease terms. Lease expense is recognized on a straight-line basis over the expected lease term. Lease agreements that include lease and non-lease components, such as common area maintenance charges, are accounted for separately.

Pending Accounting Pronouncements

Pending Accounting Pronouncements

In March 2020, FASB released Accounting Standards Update (“ASU”) 2020-04 - Reference Rate Reform (Topic 848), which provides optional guidance to ease the accounting burden in accounting for, or recognizing the effects from, reference rate reform on financial reporting. The new standard is a result of LIBOR likely being discontinued as an available benchmark rate. The standard is elective and provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships, or other transactions that reference LIBOR, or another reference rate expected to be discontinued. The amendments in the update are effective for all entities between March 12, 2020 and December 31, 2022. The Company has established a cross-functional working group to guide the Company’s transition from LIBOR and has begun efforts to transition to alternative rates consistent with industry timelines. The Company has identified its products that utilize LIBOR and has implemented enhanced fallback language to facilitate the transition to alternative reference rates. The Company is evaluating existing platforms and systems and preparing to offer new rates.

In December 2019, FASB released ASU 2019-12 - Income Taxes (Topic 740), which simplifies the accounting for income taxes by removing multiple exceptions to the general principals in Topic 740. The standard is effective for public business entities for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2020. The Company does not expect the adoption of this standard to have a material impact on the Company’s Condensed Consolidated Financial Statements.

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ACQUISITION OF REVERE BANK (Tables)

9 Months Ended

Sep. 30, 2020

Business Combinations [Abstract]

Provisional fair values of acquired identifiable assets and liabilities assumed

The consideration paid for Revere’s common equity and outstanding stock options and the provisional fair values of acquired identifiable assets and assumed identifiable liabilities as of the Acquisition Date were as follows:

(Dollars in thousands, except per share data)	April 1, 2020
Purchase price:
Fair value of common shares issued (12,768,949 shares) based on Sandy Spring's share price of $22.64	$	289,089
Fair value of Revere stock options converted to Sandy Spring stock options	3,611
Cash paid for cashed-out Revere stock options	291
Cash for fractional shares	11
Total purchase price	$	293,002
Identifiable assets:
Cash and cash equivalents	$	80,768
Investments available-for-sale	180,752
Loans	2,502,244
Premises and equipment	3,443
Accrued interest receivable	7,651
Core deposit intangible asset	18,360
Other assets	52,812
Total identifiable assets	$	2,846,030
Identifiable liabilities:
Deposits	$	2,322,422
Borrowings	205,514
Other liabilities	25,933
Total identifiable liabilities	$	2,553,869
Provisional fair value of net assets acquired including identifiable intangible assets	292,161
Provisional resulting goodwill	$	841

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INVESTMENTS (Tables)

9 Months Ended

Sep. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Amortized cost and Estimated fair values of Investments Available-for-sale

The amortized cost and estimated fair values of investments available-for-sale at the dates indicated are presented in the following table:

	September 30, 2020								December 31, 2019
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
U.S. treasuries and government agencies	$	140,454	$	914	$	(1,963)	$	139,405	$	260,294	$	887	$	(2,686)	$	258,495
State and municipal	344,168		9,435		(616)		352,987		229,309		4,377		(37)		233,649
Mortgage-backed and asset-backed	826,450		25,967		(103)		852,314		568,373		3,268		(882)		570,759
Corporate debt	12,112		394		(7)		12,499		9,100		452		—		9,552
Trust preferred	—		—		—		—		310		—		—		310
Total debt securities	1,323,184		36,710		(2,689)		1,357,205		1,067,386		8,984		(3,605)		1,072,765
Marketable equity securities	—		—		—		—		568		—		—		568
Total investments available-for-sale	$	1,323,184	$	36,710	$	(2,689)	$	1,357,205	$	1,067,954	$	8,984	$	(3,605)	$	1,073,333

Gross Unrealized Losses and Fair Value by Length of Time

Gross unrealized losses and fair value by length of time that the individual available-for-sale securities have been in an unrealized loss position at the dates indicated are presented in the following tables:

	September 30, 2020
	Number of Securities	Less Than 12 Months				12 Months or More				Total
(Dollars in thousands)		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. treasuries and government agencies	7	$	—	$	—	$	91,193	$	1,963	$	91,193	$	1,963
State and municipal	19	57,024		616		—		—		57,024		616
Mortgage-backed and asset-backed	13	28,862		77		7,030		26		35,892		103
Corporate debt	2	3,005		7		—		—		3,005		7
Total	41	$	88,891	$	700	$	98,223	$	1,989	$	187,114	$	2,689

	December 31, 2019
	Number of Securities	Less Than 12 Months				12 Months or More				Total
(Dollars in thousands)		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. treasuries and government agencies	12	$	133,221	$	2,211	$	17,911	$	475	$	151,132	$	2,686
State and municipal	3	7,227		37		—		—		7,227		37
Mortgage-backed and asset-backed	35	107,917		508		76,867		374		184,784		882
Total	50	$	248,365	$	2,756	$	94,778	$	849	$	343,143	$	3,605

Estimated fair values of debt securities available-for-sale by contractual maturity

	September 30, 2020				December 31, 2019
(In thousands)	Fair Value		Amortized Cost		Fair Value		Amortized Cost
U.S. treasuries and government agencies:
One year or less	$	28,139	$	27,974	$	69,799	$	69,330
One to five years	11,902		11,380		96,709		96,507
Five to ten years	—		—		—		—
After ten years	99,364		101,100		91,987		94,457
State and municipal:
One year or less	18,663		18,457		33,311		33,054
One to five years	47,558		46,440		76,723		75,432
Five to ten years	59,670		56,731		75,820		73,741
After ten years	227,096		222,540		47,795		47,082
Mortgage-backed and asset-backed:
One year or less	2		2		852		822
One to five years	21,191		20,800		7,125		6,969
Five to ten years	58,878		57,430		55,226		54,799
After ten years	772,243		748,218		507,556		505,783
Corporate debt:
One year or less	—		—		—		—
One to five years	—		—		—		—
Five to ten years	12,499		12,112		9,552		9,100
After ten years	—		—		—		—
Trust preferred:
One year or less	—		—		—		—
One to five years	—		—		—		—
Five to ten years	—		—		—		—
After ten years	—		—		310		310
Total available-for-sale debt securities	$	1,357,205	$	1,323,184	$	1,072,765	$	1,067,386

Other Equity Securities

Other equity securities at the dates indicated are presented in the following table:

(In thousands)	September 30, 2020		December 31, 2019
Federal Reserve Bank stock	$	38,650	$	22,559
Federal Home Loan Bank of Atlanta stock	29,201		29,244
Marketable equity securities	677		—
Total equity securities	$	68,528	$	51,803

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LOANS (Tables)

9 Months Ended

Sep. 30, 2020

Receivables [Abstract]

Loan Portfolio Segment Balances

The loan portfolio segment balances at the dates indicated are presented in the following table:

(In thousands)	September 30, 2020		December 31, 2019
Commercial real estate:
Commercial investor real estate	$	3,588,702	$	2,169,156
Commercial owner-occupied real estate	1,652,208		1,288,677
Commercial AD&C	994,800		684,010
Commercial business	2,227,246		801,019
Total commercial loans	8,462,956		4,942,862
Residential real estate:
Residential mortgage	1,173,857		1,149,327
Residential construction	175,123		146,279
Consumer	521,999		466,764
Total residential and consumer loans	1,870,979		1,762,370
Total loans	$	10,333,935	$	6,705,232

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CREDIT QUALITY ASSESSMENT (Tables)

9 Months Ended

Sep. 30, 2020

Credit Loss [Abstract]

Summary Information On The Allowance For Credit Loss Activity

Summary information on the allowance for credit loss activity for the period indicated is provided in the following table:

	Nine Months Ended September 30,
(In thousands)	2020		2019
Balance at beginning of period	$	56,132	$	53,486
Initial allowance on PCD loans at adoption of ASC 326	2,762		—
Transition impact of adopting ASC 326	2,983		—
Initial allowance on acquired Revere PCD loans	18,628		—
Provision for credit losses	90,158		3,029
Loan charge-offs	(1,255)		(2,101)
Loan recoveries	906		578
Net charge-offs	(349)		(1,523)
Balance at period end	$	170,314	$	54,992

Summary Information Regarding Collateral Dependent Loans Individually Evaluated For Credit Loss

The following table provides summary information regarding collateral dependent loans individually evaluated for credit loss at the dates indicated:

(In thousands)	September 30, 2020		December 31, 2019
Collateral dependent loans individually evaluated for credit loss with an allowance	$	25,823	$	15,333
Collateral dependent loans individually evaluated for credit loss without an allowance	30,299		9,440
Total individually evaluated collateral dependent loans	$	56,122	$	24,773
Allowance for credit losses related to loans evaluated individually	$	8,263	$	5,501
Allowance for credit losses related to loans evaluated collectively	162,051		50,631
Total allowance for credit losses	$	170,314	$	56,132

Activity in Allowance for Credit Losses or Loan and Lease Losses by Respective Loan Portfolio Segment

The following table provides information on the activity in the allowance for credit losses by the respective loan portfolio segment for the period indicated:

 

	For the Nine Months Ended September 30, 2020
	Commercial Real Estate												Residential Real Estate
(Dollars in thousands)	Commercial Investor R/E			Commercial Owner- Occupied R/E			Commercial AD&C			Commercial Business			Residential Mortgage			Residential Construction			Consumer			Total
Balance at beginning of period	$	18,407		$	6,884		$	7,590		$	11,395		$	8,803		$	967		$	2,086		$	56,132
Initial allowance on PCD loans at adoption of ASC 326	1,114			—			—			1,549			—			—			99			2,762
Transition impact of adopting ASC 326	(3,125)			387			2,576			2,988			(388)			(275)			820			2,983
Initial allowance on acquired Revere PCD loans	7,973			2,782			1,248			6,289			243			6			87			18,628
Provision for credit losses	30,884			9,600			7,377			34,671			3,595			761			3,270			90,158
Charge-offs	(23)			—			—			(429)			(420)			—			(383)			(1,255)
Recoveries	6			—			—			696			78			5			121			906
Net recoveries (charge-offs)	(17)			—			—			267			(342)			5			(262)			(349)
Balance at end of period	$	55,236		$	19,653		$	18,791		$	57,159		$	11,911		$	1,464		$	6,100		$	170,314
Total loans	$	3,588,702		$	1,652,208		$	994,800		$	2,227,246		$	1,173,857		$	175,123		$	521,999		$	10,333,935
Allowance for credit losses to total loans ratio	1.54		%	1.19		%	1.89		%	2.57		%	1.01		%	0.84		%	1.17		%	1.65		%
Balance of loans individually evaluated for credit loss	$	27,508		$	6,511		$	1,678		$	18,728		$	1,333		$	—		$	364		$	56,122
Allowance related to loans evaluated individually	$	2,537		$	22		$	603		$	5,101		$	—		$	—		$	—		$	8,263
Individual allowance to loans evaluated individually ratio	9.22		%	0.34		%	35.94		%	27.24		%	—		%	—			—			14.72		%
Balance of loans collectively evaluated for credit loss	$	3,561,194		$	1,645,697		$	993,122		$	2,208,518		$	1,172,524		$	175,123		$	521,635		$	10,277,813
Allowance related to loans evaluated collectively	$	52,699		$	19,631		$	18,188		$	52,058		$	11,911		$	1,464		$	6,100		$	162,051
Collective allowance to loans evaluated collectively ratio	1.48		%	1.19		%	1.83		%	2.36		%	1.02		%	0.84		%	1.17		%	1.58		%

The following table provides information on the activity in the allowance for loan losses by the respective loan portfolio segment for the period indicated:

	For the Year Ended December 31, 2019
	Commercial Real Estate												Residential Real Estate
(Dollars in thousands)	Commercial Investor R/E			Commercial Owner- Occupied R/E			Commercial AD&C			Commercial Business			Residential Mortgage			Residential Construction			Consumer			Total
Balance at beginning of period	$	17,603		$	6,307		$	5,944		$	11,377		$	8,881		$	1,261		$	2,113		$	53,486
Provision (credit)	788			577			1,418			1,164			474			(302)			565			4,684
Charge-offs	—			—			—			(1,195)			(690)			—			(783)			(2,668)
Recoveries	16			—			228			49			138			8			191			630
Net recoveries (charge-offs)	16			—			228			(1,146)			(552)			8			(592)			(2,038)
Balance at end of period	$	18,407		$	6,884		$	7,590		$	11,395		$	8,803		$	967		$	2,086		$	56,132
Total loans	$	2,169,156		$	1,288,677		$	684,010		$	801,019		$	1,149,327		$	146,279		$	466,764		$	6,705,232
Allowance for loan losses to total loans ratio	0.85		%	0.53		%	1.11		%	1.42		%	0.77		%	0.66		%	0.45		%	0.84		%
Balance of loans specifically evaluated for impairment	$	9,212		$	4,148		$	829		$	8,867		$	1,717		$	—		$	—		$	24,773
Allowance for loans specifically evaluated for impairment	$	1,529		$	23		$	132		$	3,817		$	—		$	—		$	—		$	5,501
Specific allowance to specific loans ratio	16.60		%	0.55		%	15.92		%	43.05		%	—			—			—			22.21		%
Balance of loans collectively evaluated	$	2,150,400		$	1,284,529		$	683,181		$	789,613		$	1,147,602		$	146,279		$	465,771		$	6,667,375
Allowance for loans collectively evaluated	$	16,878		$	6,861		$	7,458		$	7,578		$	8,803		$	967		$	2,086		$	50,631
Collective allowance to collective loans ratio	0.78		%	0.53		%	1.09		%	0.96		%	0.77		%	0.66		%	0.45		%	0.76		%
Balance of loans acquired with deteriorated credit quality	$	9,544		$	—		$	—		$	2,539		$	8		$	—		$	993		$	13,084
Allowance for loans acquired with deteriorated credit quality	$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—
Allowance to loan acquired with deteriorated credit quality ratio	—			—			—			—			—			—			—			—

Schedule Of Collateral Dependent Loans Individually Evaluated For Credit Loss With The Associated Allowances

The following table presents collateral dependent loans individually evaluated for credit loss with the associated allowances for credit losses by the applicable portfolio segment:

	September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Loans individually evaluated for credit loss with an allowance:
Non-accruing	$	14,267	$	—	$	1,678	$	6,112	$	—	$	—	$	—	$	22,057
Restructured accruing	—		—		—		938		—		—		—		938
Restructured non-accruing	724		853		—		1,251		—		—		—		2,828
Balance	$	14,991	$	853	$	1,678	$	8,301	$	—	$	—	$	—	$	25,823
Allowance	$	2,537	$	22	$	603	$	5,101	$	—	$	—	$	—	$	8,263
Loans individually evaluated for credit loss without an allowance:
Non-accruing	$	11,417	$	4,194	$	—	$	10,007	$	—	$	—	$	—	$	25,618
Restructured accruing	724		—		—		131		1,061		—		—		1,916
Restructured non-accruing	376		1,464		—		289		272		—		364		2,765
Balance	$	12,517	$	5,658	$	—	$	10,427	$	1,333	$	—	$	364	$	30,299
Total individually evaluated loans:
Non-accruing	$	25,684	$	4,194	$	1,678	$	16,119	$	—	$	—	$	—	$	47,675
Restructured accruing	724		—		—		1,069		1,061		—		—		2,854
Restructured non-accruing	1,100		2,317		—		1,540		272		—		364		5,593
Balance	$	27,508	$	6,511	$	1,678	$	18,728	$	1,333	$	—	$	364	$	56,122
Total unpaid contractual principal balance	$	33,452	$	10,203	$	1,678	$	27,171	$	2,683	$	—	$	364	$	75,551

Table Of Average Principal Balance Of The Total Non-Accrual Loans, Contractual Interest Due And Interest Income

The following table presents average principal balance of total non-accrual loans, contractual interest due and interest income recognized on a cash basis on non-accrual loans for the periods indicated below:

	September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Average non-accrual loans for the period	$	22,254	$	5,366	$	1,573	$	14,932	$	11,990	$	—	$	6,497	$	62,612
Contractual interest income due on non- accrual loans during the period	$	1,496	$	368	$	67	$	750	$	447	$	—	$	292	$	3,420

Summary Of Investment With Respect To Impaired Loans

The following tables present the recorded investment with respect to impaired loans, the associated allowance by the applicable portfolio segment and the unpaid contractual principal balance of the impaired loans:

	December 31, 2019
	Commercial Real Estate										Total Recorded Investment in Impaired Loans
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans
Impaired loans with a specific allowance:
Non-accruing	$	5,448	$	767	$	829	$	5,608	$	—	$	12,652
Restructured accruing	—		—		—		266		—		266
Restructured non-accruing	437		122		—		1,856		—		2,415
Balance	$	5,885	$	889	$	829	$	7,730	$	—	$	15,333
Allowance	$	1,529	$	23	$	132	$	3,817	$	—	$	5,501
Impaired loans without a specific allowance:
Non-accruing	$	2,552	$	1,522	$	—	$	114	$	—	$	4,188
Restructured accruing	775		—		—		151		1,444		2,370
Restructured non-accruing	—		1,737		—		872		273		2,882
Balance	$	3,327	$	3,259	$	—	$	1,137	$	1,717	$	9,440
Total impaired loans:
Non-accruing	$	8,000	$	2,289	$	829	$	5,722	$	—	$	16,840
Restructured accruing	775		—		—		417		1,444		2,636
Restructured non-accruing	437		1,859		—		2,728		273		5,297
Balance	$	9,212	$	4,148	$	829	$	8,867	$	1,717	$	24,773
Unpaid principal balance in total impaired loans	$	13,805	$	6,072	$	829	$	11,296	$	2,618	$	34,620

	December 31, 2019
	Commercial Real Estate										Total Recorded Investment in Impaired Loans
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans
Average impaired loans for the period	$	7,565	$	4,390	$	2,052	$	7,781	$	1,577	$	23,365
Contractual interest income due on impaired loans during the period	$	786	$	258	$	127	$	648	$	128	$	1,947
Interest income on impaired loans recognized on an accrual basis	$	39	$	—	$	—	$	62	$	68	$	169

Schedule Of Information On The Credit Quality Of Loan Portfolio Under The New CECL

The following section provides information on the credit quality of the loan portfolio under the new CECL disclosure requirements:

	For the Nine Months Ended September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Analysis of non-accrual loan activity:
Balance at beginning of period	$	8,437	$	4,148	$	829	$	8,450	$	12,661	$	—	$	4,107	$	38,632
PCD loans designated as non-accrual (1)	9,544		—		—		2,539		8		—		993		13,084
Loans placed on non-accrual	9,437		3,425		2,128		10,988		896		—		3,677		30,551
Non-accrual balances transferred to OREO	—		—		—		—		—		—		—		—
Non-accrual balances charged-off	(23)		—		—		(386)		(351)		—		(121)		(881)
Net payments or draws	(611)		(961)		(1,279)		(3,052)		(1,058)		—		(1,028)		(7,989)
Non-accrual loans brought current	—		(101)		—		(880)		(860)		—		(135)		(1,976)
Balance at end of period	$	26,784	$	6,511	$	1,678	$	17,659	$	11,296	$	—	$	7,493	$	71,421

(1)Upon the adoption of the CECL standard, the Company transitioned from closed pool level accounting for PCI loans during the first quarter of 2020. Non-accrual loans are determined based on the individual loan level and aggregated for reporting.

Credit Quality of Loan Portfolio by Segment

	September 30, 2020
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Performing loans:
Current	$	3,555,815	$	1,643,589	$	991,086	$	2,198,943	$	1,155,016	$	169,766	$	507,336	$	10,221,551
30-59 days	4,181		2,108		1,634		8,862		5,197		3,167		5,039		30,188
60-89 days	1,198		—		402		620		967		2,190		2,130		7,507
Total performing loans	3,561,194		1,645,697		993,122		2,208,425		1,161,180		175,123		514,505		10,259,246
Non-performing loans:
Non-accrual loans	26,784		6,511		1,678		17,659		11,296		—		7,493		71,421
Loans greater than 90 days past due	—		—		—		93		320		—		1		414
Restructured loans	724		—		—		1,069		1,061		—		—		2,854
Total non-performing loans	27,508		6,511		1,678		18,821		12,677		—		7,494		74,689
Total loans	$	3,588,702	$	1,652,208	$	994,800	$	2,227,246	$	1,173,857	$	175,123	$	521,999	$	10,333,935

	December 31, 2019
	Commercial Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Total
Pass	$	2,146,971	$	1,278,337	$	683,181	$	783,909	$	4,892,398
Special Mention	3,189		2,284		—		2,487		7,960
Substandard	18,996		8,056		829		14,623		42,504
Doubtful	—		—		—		—		—
Total	$	2,169,156	$	1,288,677	$	684,010	$	801,019	$	4,942,862

	December 31, 2019
	Residential Real Estate
(In thousands)	Residential Mortgage		Residential Construction		Consumer		Total
Performing	$	1,135,586	$	146,279	$	462,293	$	1,744,158
Non-performing:							—
90 days past due	—		—		—		—
Non-accruing	12,661		—		4,107		16,768
Restructured loans	1,080		—		364		1,444
Total	$	1,149,327	$	146,279	$	466,764	$	1,762,370

Information About Credit Quality Indicator By The Year Of Origination

The following table provides information about credit quality indicators by the year of origination:

	September 30, 2020
	Term Loans by Origination Year												Revolving
(In thousands)	2020		2019		2018		2017		2016		Prior		Loans		Total
Commercial Investor R/E:
Pass	$	675,314	$	799,088	$	466,850	$	501,591	$	493,003	$	566,433	$	31,413	$	3,533,692
Special Mention	5,049		1,617		19,026		232		271		1,873		—		28,068
Substandard	494		3,020		—		7,101		682		15,645		—		26,942
Doubtful	—		—		—		—		—		—		—		—
Total	$	680,857	$	803,725	$	485,876	$	508,924	$	493,956	$	583,951	$	31,413	$	3,588,702
Commercial Owner-Occupied R/E:
Pass	$	207,879	$	392,597	$	248,942	$	203,649	$	209,218	$	356,393	$	1,812	$	1,620,490
Special Mention	2,324		4,124		5,505		5,381		137		5,307		—		22,778
Substandard	493		870		788		465		222		5,863		—		8,701
Doubtful	—		—		—		—		—		239		—		239
Total	$	210,696	$	397,591	$	255,235	$	209,495	$	209,577	$	367,802	$	1,812	$	1,652,208
Commercial AD&C:
Pass	$	356,246	$	292,303	$	169,833	$	62,582	$	6,711	$	2,377	$	83,756	$	973,808
Special Mention	1,710		—		—		13,658		—		—		—		15,368
Substandard	1,127		1,554		—		100		2,843		—		—		5,624
Doubtful	—		—		—		—		—		—		—		—
Total	$	359,083	$	293,857	$	169,833	$	76,340	$	9,554	$	2,377	$	83,756	$	994,800
Commercial Business:
Pass	$	1,190,428	$	215,772	$	149,231	$	97,275	$	37,641	$	88,653	$	410,116	$	2,189,116
Special Mention	249		3,517		1,462		18		1,467		2,210		4,365		13,288
Substandard	2,050		3,242		3,287		1,713		2,353		2,070		1,708		16,423
Doubtful	114		1,042		950		36		1,309		1,987		2,981		8,419
Total	$	1,192,841	$	223,573	$	154,930	$	99,042	$	42,770	$	94,920	$	419,170	$	2,227,246
Residential Mortgage:
Beacon score:
660-850	$	169,476	$	69,350	$	164,196	$	207,953	$	153,302	$	285,639	$	—	$	1,049,916
600-659	4,235		11,924		12,136		13,559		9,753		24,752		—		76,359
540-599	321		1,833		5,089		2,722		3,507		9,270		—		22,742
less than 540	391		1,739		6,049		1,367		2,769		12,525		—		24,840
Total	$	174,423	$	84,846	$	187,470	$	225,601	$	169,331	$	332,186	$	—	$	1,173,857
Residential Construction:
Beacon score:
660-850	$	79,897	$	66,861	$	19,900	$	3,963	$	1,736	$	—	$	—	$	172,357
600-659	987		904		—		—		369		—		—		2,260
540-599	—		—		—		—		—		—		—		—
less than 540	506		—		—		—		—		—		—		506
Total	$	81,390	$	67,765	$	19,900	$	3,963	$	2,105	$	—	$	—	$	175,123
Consumer:
Beacon score:
660-850	$	2,561	$	5,345	$	5,327	$	2,297	$	2,772	$	23,023	$	420,848	$	462,173
600-659	608		747		286		452		1,076		5,090		20,555		28,814
540-599	49		433		260		93		503		3,101		8,141		12,580
less than 540	742		521		608		1,053		761		3,113		11,634		18,432
Total	$	3,960	$	7,046	$	6,481	$	3,895	$	5,112	$	34,327	$	461,178	$	521,999
Total loans	$	2,703,250	$	1,878,403	$	1,279,725	$	1,127,260	$	932,405	$	1,415,563	$	997,329	$	10,333,935

Historical Information On The Credit Quality Of The Loan Portfolio Under The Legacy Disclosure

The following section provides historical information on the credit quality of the loan portfolio under the legacy disclosure requirements:

	December 31, 2019
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Non-performing loans and assets:
Non-accrual loans	$	8,437	$	4,148	$	829	$	8,450	$	12,661	$	—	$	4,107	$	38,632
Loans 90 days past due	—		—		—		—		—		—		—		—
Restructured loans	775		—		—		417		1,080		—		364		2,636
Total non-performing loans	9,212		4,148		829		8,867		13,741		—		4,471		41,268
Other real estate owned	409		—		665		39		305		—		64		1,482
Total non-performing assets	$	9,621	$	4,148	$	1,494	$	8,906	$	14,046	$	—	$	4,535	$	42,750

	December 31, 2019
	Commercial Real Estate								Residential Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		Residential Mortgage		Residential Construction		Consumer		Total
Past due loans:
30-59 days	$	932	$	316	$	—	$	908	$	14,853	$	280	$	2,697	$	19,986
60-89 days	—		—		—		370		4,541		1,334		1,517		7,762
> 90 days	—		—		—		—		—		—		—		—
Total past due	932		316		—		1,278		19,394		1,614		4,214		27,748
Non-accrual loans	8,437		4,148		829		8,450		12,661		—		4,107		38,632
Loans acquired with deteriorated credit quality	9,544		—		—		2,539		8		—		993		13,084
Current loans	2,150,243		1,284,213		683,181		788,752		1,117,264		144,665		457,450		6,625,768
Total loans	$	2,169,156	$	1,288,677	$	684,010	$	801,019	$	1,149,327	$	146,279	$	466,764	$	6,705,232

Restructured Loans for Specific Segments of Loan Portfolio

The following table provides the amounts of the restructured loans at the date of restructuring for specific segments of the loan portfolio during the period indicated:

	For the Nine Months Ended September 30, 2020
	Commercial Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans		Total
Troubled debt restructurings:
Restructured accruing	$	—	$	—	$	—	$	322	$	—	$	322
Restructured non-accruing	723		930		—		808		—		2,461
Balance	$	723	$	930	$	—	$	1,130	$	—	$	2,783
Specific allowance	$	49	$	19	$	—	$	867	$	—	$	935
Restructured and subsequently defaulted	$	—	$	—	$	—	$	—	$	—	$	—

	For the Year Ended December 31, 2019
	Commercial Real Estate
(In thousands)	Commercial Investor R/E		Commercial Owner- Occupied R/E		Commercial AD&C		Commercial Business		All Other Loans		Total
Troubled debt restructurings:
Restructured accruing	$	775	$	—	$	—	$	170	$	364	$	1,309
Restructured non-accruing	789		—		—		261		—		1,050
Balance	$	1,564	$	—	$	—	$	431	$	364	$	2,359
Specific allowance	$	205	$	—	$	—	$	196	$	—	$	401
Restructured and subsequently defaulted	$	—	$	—	$	—	$	—	$	—	$	—

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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Gross Carrying Amounts and Accumulated Amortization of Intangible Assets and Goodwill

The gross carrying amounts and accumulated amortization of intangible assets and goodwill are presented at the dates indicated in the following table:

	September 30, 2020						Weighted Average Remaining Life	December 31, 2019						Weighted Average Remaining Life
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount			Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets:
Core deposit intangibles	$	29,038	$	(6,841)	$	22,197	8.7 years	$	10,678	$	(3,689)	$	6,989	8.0 years
Other identifiable intangibles	13,906		(1,928)		11,978		10.9 years	1,478		(626)		852		9.7 years
Total amortizing intangible assets	$	42,944	$	(8,769)	$	34,175		$	12,156	$	(4,315)	$	7,841
Goodwill	$	370,549			$	370,549		$	347,149			$	347,149

Net carrying amount of goodwill by segment

The amount of goodwill by reportable segment is presented in the following table:

(In thousands)	Community Banking		Insurance		Investment Management		Total
Balance December 31, 2019	$	331,173	$	6,788	$	9,188	$	347,149
Acquisition of Rembert Pendleton Jackson	—		—		22,559		22,559
Acquisition of Revere Bank	841		—		—		841
Balance September 30, 2020	$	332,014	$	6,788	$	31,747	$	370,549

Estimated Future Amortization Expense for Amortizing Intangibles

The following table presents the estimated future amortization expense for amortizing intangible assets within the years ending December 31:

(In thousands)	Amount
Remaining for 2020	$	1,654
2021	6,600
2022	5,845
2023	5,089
2024	4,333
Thereafter	10,654
Total amortizing intangible assets	$	34,175

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DEPOSITS (Tables)

9 Months Ended

Sep. 30, 2020

Deposits [Abstract]

Composition of Deposits

(In thousands)	September 30, 2020		December 31, 2019
Noninterest-bearing deposits	$	3,458,804	$	1,892,052
Interest-bearing deposits:
Demand	1,137,000		836,433
Money market savings	3,104,600		1,839,593
Regular savings	396,280		329,919
Time deposits of less than $100,000	545,903		463,431
Time deposits of $100,000 or more	1,322,382		1,078,891
Total interest-bearing deposits	6,506,165		4,548,267
Total deposits	$	9,964,969	$	6,440,319

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BORROWINGS (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Schedule of Subordinated Borrowing

The following table provides information on subordinated debt as of the date indicated:

(In thousands)	September 30, 2020		December 31, 2019
Fixed to floating rate sub debt, 4.25%	$	175,000	$	175,000
WashingtonFirst sub debt, 6.00%	25,000		25,000
Revere fixed to floating rate sub debt, 5.625%	31,000		—
Total Sub debt	231,000		200,000
Add: Purchase accounting premium	1,954		1,894
Less: Debt issuance costs	(2,654)		(2,885)
Net sub debt	230,300		199,009
WashingtonFirst callable junior subordinated debt	—		10,310
Add: Purchase accounting premium	—		87
Net WashingtonFirst callable junior subordinated debt	—		10,397
Long-term borrowings	$	230,300	$	209,406

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SHARE BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Summary of Share Option Activity

A summary of share option activity for the period indicated is reflected in the following table:

	Number of Common Shares	Weighted Average Exercise Share Price		Weighted Average Contractual Remaining Life (Years)	Aggregate Intrinsic Value (in thousands)
Balance at Balance at January 1, 2020	65,279	$	31.34		$	485
Granted	—	$	—
Converted options from Revere acquisition	395,298	$	12.27
Exercised	(10,213)	$	16.07		$	123
Forfeited	(765)	$	39.02
Expired	(703)	$	28.26
Balance at September 30, 2020	448,896	$	14.89	3.1	$	4,383
Exercisable at September 30, 2020	444,132	$	14.64	3.1	$	4,383

Summary of Activity for Company's Restricted Stock

A summary of the activity for the Company’s restricted stock, restricted stock units and performance share units for the period indicated is presented in the following table:

	Number of Common Shares/Units	Weighted Average Grant-Date Fair Value
Non-vested at Non-vested at January 1, 2020	226,502	$	35.43
Granted	246,015	$	25.82
Vested	(66,533)	$	34.38
Forfeited/ cancelled	(9,363)	$	43.71
Non-vested at September 30, 2020	396,621	$	29.45

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PENSION PLAN (Tables)

9 Months Ended

Sep. 30, 2020

Retirement Benefits [Abstract]

Net Periodic Benefit Cost

The components of net periodic benefit cost for the periods indicated are presented in the following table:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2020		2019		2020		2019
Interest cost on projected benefit obligation	$	359	$	403	$	1,078	$	1,207
Expected return on plan assets	(456)		(412)		(1,368)		(1,236)
Recognized net actuarial loss	219		264		656		794
Net periodic benefit cost	$	122	$	255	$	366	$	765

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NET INCOME/ (LOSS) PER COMMON SHARE (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Calculation of Net Income Per Common Share

The calculation of net income per common share for the periods indicated is presented in the following table:

	Three Months Ended September 30,				Nine Months Ended September 30,
(Dollars and amounts in thousands, except per share data)	2020		2019		2020		2019
Net income	$	44,642	$	29,383	$	40,291	$	87,976
Distributed and undistributed earnings allocated to participating securities	373		186		317		570
Net income attributable to common shareholders	$	44,269	$	29,197	$	39,974	$	87,406
Total weighted average outstanding shares	47,415		35,850		43,261		35,829
Less: Weighted average participating securities	397		228		355		237
Basic weighted average common shares	47,018		35,622		42,906		35,592
Dilutive weighted average common stock equivalents	157		50		165		50
Diluted weighted average common shares	47,175		35,672		43,071		35,642
Basic net income per common share	$	0.94	$	0.82	$	0.93	$	2.46
Diluted net income per common share	$	0.94	$	0.82	$	0.93	$	2.45
Anti-dilutive shares	37		8		22		10

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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Activity in net accumulated other comprehensive income (loss) and the components of the activity

The following table presents the activity in net accumulated other comprehensive income/ (loss) and the components of the activity for the periods indicated:

(In thousands)	Unrealized Gains on Investments Available-for-Sale		Defined Benefit Pension Plan		Total
Balance at January 1, 2020	$	4,000	$	(8,332)	$	(4,332)
Other comprehensive income before reclassification, net of tax	21,650		—		21,650
Reclassifications from accumulated other comprehensive income, net of tax	(322)		497		175
Current period change in other comprehensive income, net of tax	21,328		497		21,825
Balance at September 30, 2020	$	25,328	$	(7,835)	$	17,493

(In thousands)	Unrealized Gains/ (Losses) on Investments Available-for-Sale		Defined Benefit Pension Plan		Total
Balance at January 1, 2019	$	(6,630)	$	(9,124)	$	(15,754)
Other comprehensive income before reclassification, net of tax	12,475		—		12,475
Reclassifications from accumulated other comprehensive income, net of tax	(15)		586		571
Current period change in other comprehensive income, net of tax	12,460		586		13,046
Balance at September 30, 2019	$	5,830	$	(8,538)	$	(2,708)

Schedule of reclassification adjustments out of accumulated other comprehensive income (loss)

The following table provides the information on the reclassification adjustments out of accumulated other comprehensive income/ (loss) for the periods indicated:

	Nine Months Ended September 30,
(In thousands)	2020		2019
Unrealized gains on investments available-for-sale:
Affected line item in the Statements of Income:
Investment securities gains	$	432	$	20
Income before taxes	432		20
Tax expense	(110)		(5)
Net income	$	322	$	15
Amortization of defined benefit pension plan items:
Affected line item in the Statements of Income:
Recognized actuarial loss (1)	$	(656)	$	(794)
Loss before taxes	(656)		(794)
Tax benefit	159		208
Net loss	$	(497)	$	(586)

(1)This amount is included in the computation of net periodic benefit cost. See Note 11 for additional information on the pension plan.

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LEASES (Tables)

9 Months Ended

Sep. 30, 2020

Leases [Abstract]

Lease, Cost

The following table provides information regarding the Company's leases as of the dates indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Components of lease expense:
Operating lease cost (resulting from lease payments)	$	3,154	$	2,912	$	9,281	$	8,605
Supplemental cash flow information related to leases:
Operating cash flows from operating leases	$	4,158	$	2,349	$	10,160	$	6,653
ROU assets obtained in the exchange for lease liabilities due to:
New leases	$	—	$	—	$	—	$	—
Acquisitions	$	—	$	—	$	7,720	$	—
					September 30, 2020		December 31, 2019
Supplemental balance sheet information related to leases:
Operating lease ROU assets					$	67,554	$	69,320
Operating lease liabilities					$	77,506	$	76,871
Other information related to leases:
Weighted average remaining lease term of operating leases					9.6 years		10.4 years
Weighted average discount rate of operating leases					3.10%		3.28%

Maturities of operating lease liabilities

At September 30, 2020, the maturities of the Company’s operating lease liabilities were as follows:

 

(In thousands)	Amount
Maturity:
Remaining for 2020	$	3,280
2021	12,634
2022	11,029
2023	10,882
2024	9,064
Thereafter	44,407
Total undiscounted lease payments	91,296
Less: Present value discount	(13,790)
Lease Liability	$	77,506

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FAIR VALUE (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Financial assets and Liabilities at Dates Indicated that were Accounted for at Fair Value

The following tables set forth the Company’s financial assets and liabilities at the dates indicated that were accounted for or disclosed at fair value. Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	September 30, 2020
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(In thousands)	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Residential mortgage loans held for sale (1)	$	—	$	88,728	$	—	$	88,728
Investments available-for-sale:
U.S. treasuries and government agencies	—		139,405		—		139,405
State and municipal	—		352,987		—		352,987
Mortgage-backed and asset-backed	—		852,314		—		852,314
Corporate debt	—		—		12,499		12,499
Total investments available-for-sale	—		1,344,706		12,499		1,357,205
Interest rate swap agreements	—		10,223		—		10,223
Total assets	$	—	$	1,443,657	$	12,499	$	1,456,156
Liabilities:
Interest rate swap agreements	$	—	$	(10,223)	$	—	$	(10,223)
Total liabilities	$	—	$	(10,223)	$	—	$	(10,223)

 (1) The outstanding principal balance for residential loans held for sale as of September 30, 2020 was $85.8 million.

	December 31, 2019
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(In thousands)	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Residential mortgage loans held for sale	$	—	$	53,701	$	—	$	53,701
Investments available-for-sale:
U.S. treasuries and government agencies	—		258,495		—		258,495
State and municipal	—		233,649		—		233,649
Mortgage-backed and asset-backed	—		570,759		—		570,759
Corporate debt	—		—		9,552		9,552
Trust preferred	—		—		310		310
Total debt securities	—		1,062,903		9,862		1,072,765
Marketable equity securities	—		568		—		568
Total investments available-for-sale	—		1,063,471		9,862		1,073,333
Interest rate swap agreements	—		2,507		—		2,507
Total assets	$	—	$	1,119,679	$	9,862	$	1,129,541
Liabilities:
Interest rate swap agreements	$	—	$	(2,507)	$	—	$	(2,507)
Total liabilities	$	—	$	(2,507)	$	—	$	(2,507)

 (1) The outstanding principal balance for residential loans held for sale as of December 31, 2019 was $52.6 million.

Change in Fair Value of Assets Measured in Condensed Consolidated Statements of Condition at Fair Value on a Recurring Basis

The following table provides a change in the fair value of assets measured in the Condensed Consolidated Statements of Condition at fair value with significant unobservable inputs (Level 3) on a recurring basis for the period indicated:

	Significant Unobservable Inputs
(In thousands)	(Level 3)
Investments available-for-sale:
Balance at January 1, 2020	$	9,862
Additions of Level 3 assets	3,050
Sales of Level 3 assets	(349)
Total unrealized loss included in other comprehensive income/ (loss)	(64)
Balance at September 30, 2020	$	12,499

Assets Measured at Fair Value on Nonrecurring Basis

The following tables set forth the Company’s financial assets subject to fair value adjustments on a nonrecurring basis at the date indicated that are valued at the lower of cost or market. Assets are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	September 30, 2020
(In thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Total Losses
Loans	$	—	$	—	$	14,325	$	14,325	$	(11,326)
Other real estate owned	—		—		1,671		1,671		(282)
Total	$	—	$	—	$	15,996	$	15,996	$	(11,608)

	December 31, 2019
(In thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Total Losses
Loans	$	—	$	—	$	6,886	$	6,886	$	(6,299)
Other real estate owned	—		—		1,482		1,482		(281)
Total	$	—	$	—	$	8,368	$	8,368	$	(6,580)

Carrying Amounts And Fair Values of Company's Financial Instruments

The carrying amounts and fair values of the Company’s financial instruments at the dates indicated are presented in the following tables:

					Fair Value Measurements
	September 30, 2020				Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(In thousands)	Carrying Amount		Estimated Fair Value
Financial assets:
Cash and cash equivalents	$	224,883	$	224,883	$	224,883	$	—	$	—
Residential mortgage loans held for sale	88,728		88,728		—		88,728		—
Investments available-for-sale	1,357,205		1,357,205		—		1,344,706		12,499
Equity securities	68,528		68,528		68,528		—		—
Loans, net of allowance	10,163,621		10,332,039		—		—		10,332,039
Interest rate swap agreements	10,223		10,223		—		10,223		—
Accrued interest receivable	48,176		48,176		48,176		—		—
Bank owned life insurance	126,182		126,182		—		126,182		—
Financial liabilities:
Time deposits	$	1,868,285	$	1,889,807	$	—	$	1,889,807	$	—
Other deposits	8,096,684		8,096,684		8,096,684		—		—
Securities sold under retail repurchase agreements and
federal funds purchased	462,706		462,889		—		462,889		—
Advances from FHLB	444,210		457,875		—		457,875		—
Subordinated debt	230,300		234,808		—		—		234,808
Interest rate swap agreements	10,223		10,223		—		10,223		—
Accrued interest payable	6,822		6,822		6,822		—		—

					Fair Value Measurements
	December 31, 2019				Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(In thousands)	Carrying Amount		Estimated Fair Value
Financial assets:
Cash and cash equivalents	$	146,103	$	146,103	$	146,103	$	—	$	—
Residential mortgage loans held for sale	53,701		53,701		—		53,701		—
Investments available-for-sale	1,073,333		1,073,333		—		1,063,471		9,862
Equity securities	51,803		51,803		51,803		—		—
Loans, net of allowance	6,649,100		6,628,054		—		—		6,628,054
Interest rate swap agreements	2,507		2,507		—		2,507		—
Accrued interest receivable	23,282		23,282		23,282		—		—
Bank owned life insurance	113,171		113,171		—		113,171		—
Financial liabilities:
Time deposits	$	1,542,322	$	1,547,116	$	—	$	1,547,116	$	—
Other deposits	4,897,997		4,897,997		4,897,997		—		—
Securities sold under retail repurchase agreements and
federal funds purchased	213,605		213,605		—		213,605		—
Advances from FHLB	513,777		520,729		—		520,729		—
Subordinated debt	209,406		200,864		—		—		200,864
Interest rate swap agreements	2,507		2,507		—		2,507		—
Accrued interest payable	4,194		4,194		4,194		—		—

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SEGMENT REPORTING (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Operating Segments and Reconciliation of Information to Consolidated Financial Statements

Information for the operating segments and reconciliation of the information to the Condensed Consolidated Financial Statements for the periods indicated are presented in the following tables:

	Three Months Ended September 30, 2020
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	112,985	$	1	$	1	$	(3)	$	112,984
Interest expense	15,503		—		—		(3)		15,500
Provision for credit losses	7,003		—		—		—		7,003
Non-interest income	24,746		2,119		2,746		(221)		29,390
Non-interest expense	57,856		1,580		1,722		(221)		60,937
Income before income taxes	57,369		540		1,025		—		58,934
Income tax expense	13,912		149		231		—		14,292
Net income	$	43,457	$	391	$	794	$	—	$	44,642
Assets	$	12,678,396	$	11,289	$	57,088	$	(68,642)	$	12,678,131

	Three Months Ended September 30, 2019
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	87,068	$	13	$	4	$	(3)	$	87,082
Interest expense	20,295		—		—		(3)		20,292
Provision for credit losses	1,524		—		—		—		1,524
Non-interest income	14,080		2,123		2,538		(168)		18,573
Non-interest expense	41,806		1,635		1,652		(168)		44,925
Income before income taxes	37,523		501		890		—		38,914
Income tax expense	9,162		138		231		—		9,531
Net income	$	28,361	$	363	$	659	$	—	$	29,383
Assets	$	8,437,588	$	11,615	$	22,033	$	(33,698)	$	8,437,538

	Nine Months Ended September 30, 2020
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	311,771	$	5	$	3	$	(10)	$	311,769
Interest expense	48,447		—		—		(10)		48,437
Provision for credit losses	90,158		—		—		—		90,158
Non-interest income	57,976		5,446		7,705		(645)		70,482
Non-interest expense	184,921		4,319		5,526		(645)		194,121
Income before income taxes	46,221		1,132		2,182		—		49,535
Income tax expense	8,396		313		535		—		9,244
Net income	$	37,825	$	819	$	1,647	$	—	$	40,291
Assets	$	12,678,396	$	11,289	$	57,088	$	(68,642)	$	12,678,131

	Nine Months Ended September 30, 2019
(In thousands)	Community Banking		Insurance		Investment Management		Inter-Segment Elimination		Total
Interest income	$	262,465	$	15	$	9	$	(10)	$	262,479
Interest expense	62,764		—		—		(10)		62,754
Provision for credit losses	3,029		—		—		—		3,029
Non-interest income	39,643		5,296		7,660		(501)		52,098
Non-interest expense	123,876		4,359		5,270		(501)		133,004
Income before income taxes	112,439		952		2,399		—		115,790
Income tax expense	26,924		265		625		—		27,814
Net income	$	85,515	$	687	$	1,774	$	—	$	87,976
Assets	$	8,437,588	$	11,615	$	22,033	$	(33,698)	$	8,437,538

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ACQUISITION OF REVERE BANK - Narrative (Details) $ / shares in Units, $ in Thousands	Apr. 01, 2020 USD ($) $ / shares shares	Mar. 31, 2020 USD ($) bank
Business Acquisition [Line Items]
Closing price (in dollars per share) | $ / shares	$ 22.64
Total transaction value	$ 293,002
Assets	2,846,030
Provisional amount of goodwill recognized	$ 841
Sandy Spring Shareholders
Business Acquisition [Line Items]
Percentage of ownership in combined company	74.00%
Revere shareholders
Business Acquisition [Line Items]
Percentage of ownership in combined company	26.00%
Maryland-based Revere
Business Acquisition [Line Items]
Business acquisition rate of share exchange (in shares) | shares	1.05
Closing price (in dollars per share) | $ / shares	$ 22.64
Total transaction value		$ 293,000
Assets		$ 2,800,000
Number of banking offices | bank		11

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ACQUISITION OF REVERE BANK - Provisional fair values of acquired identifiable assets and liabilities assumed (Details) - USD ($) $ / shares in Units, $ in Thousands		9 Months Ended
	Apr. 01, 2020	Sep. 30, 2020
Purchase price:
Fair value of common shares issued (12,768,949 shares) based on Sandy Spring's share price of $22.64	$ 289,089	$ 289,089
Fair value of Revere stock options converted to Sandy Spring stock options	3,611
Cash paid for cashed-out Revere stock options	291
Cash for fractional shares	11
Total purchase price	293,002
Identifiable assets:
Cash and cash equivalents	80,768
Investments available-for-sale	180,752
Loans	2,502,244
Premises and equipment	3,443
Accrued interest receivable	7,651
Core deposit intangible asset	18,360
Other assets	52,812
Total identifiable assets	2,846,030
Identifiable liabilities:
Deposits	2,322,422
Borrowings	205,514
Other liabilities	25,933
Total identifiable liabilities	2,553,869
Provisional fair value of net assets acquired including identifiable intangible assets	292,161
Provisional resulting goodwill	$ 841
Stock issued during period (in shares)	12,768,949	12,768,949
Closing price (in dollars per share)	$ 22.64

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INVESTMENTS - Amortized Cost and Estimated Fair Values of Investments Available-for-sale (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,323,184	$ 1,067,954
Gross Unrealized Gains	36,710	8,984
Gross Unrealized Losses	(2,689)	(3,605)
Estimated Fair Value	1,357,205	1,073,333
U.S. treasuries and government agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	140,454	260,294
Gross Unrealized Gains	914	887
Gross Unrealized Losses	(1,963)	(2,686)
Estimated Fair Value	139,405	258,495
State and municipal
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	344,168	229,309
Gross Unrealized Gains	9,435	4,377
Gross Unrealized Losses	(616)	(37)
Estimated Fair Value	352,987	233,649
Mortgage-backed and asset-backed
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	826,450	568,373
Gross Unrealized Gains	25,967	3,268
Gross Unrealized Losses	(103)	(882)
Estimated Fair Value	852,314	570,759
Corporate debt
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	12,112	9,100
Gross Unrealized Gains	394	452
Gross Unrealized Losses	(7)	0
Estimated Fair Value	12,499	9,552
Trust preferred
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	0	310
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	0	310
Debt Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,323,184	1,067,386
Gross Unrealized Gains	36,710	8,984
Gross Unrealized Losses	(2,689)	(3,605)
Estimated Fair Value	1,357,205	1,072,765
Marketable equity securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	0	568
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	$ 0	$ 568

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INVESTMENTS - Narrative (Detail) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Fair Value, Separate Account Investment [Line Items]
Investments available-for-sale book value	$ 421.0	$ 424.8
Government National Mortgage Association Certificates And Obligations Federal National Mortgage Association Certificates And Obligations And Federal Home Loan Mortgage Corporation Certificates And Obligations | Collateralized Mortgage Obligations
Fair Value, Separate Account Investment [Line Items]
Mortgage-backed securities	328.7
Government National Mortgage Association Certificates And Obligations Federal National Mortgage Association Certificates And Obligations And Federal Home Loan Mortgage Corporation Certificates And Obligations | Collateralized Mortgage Backed Securities
Fair Value, Separate Account Investment [Line Items]
Mortgage-backed securities	455.8
Government National Mortgage Association Certificates And Obligations Federal National Mortgage Association Certificates And Obligations And Federal Home Loan Mortgage Corporation Certificates And Obligations | SBA asset backed securities
Fair Value, Separate Account Investment [Line Items]
Mortgage-backed securities	$ 67.8

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INVESTMENTS - Gross Unrealized Losses and Fair Value by Length of Time of Available-For-Sale Securities (Detail) $ in Thousands	Sep. 30, 2020 USD ($) security	Dec. 31, 2019 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Number of Securities | security	41	50
Fair Value
Less Than 12 Months	$ 88,891	$ 248,365
12 Months or More	98,223	94,778
Total	187,114	343,143
Unrealized Losses
Less Than 12 Months	700	2,756
12 Months or More	1,989	849
Total	$ 2,689	$ 3,605
U.S. treasuries and government agencies
Debt Securities, Available-for-sale [Line Items]
Number of Securities | security	7	12
Fair Value
Less Than 12 Months	$ 0	$ 133,221
12 Months or More	91,193	17,911
Total	91,193	151,132
Unrealized Losses
Less Than 12 Months	0	2,211
12 Months or More	1,963	475
Total	$ 1,963	$ 2,686
State and municipal
Debt Securities, Available-for-sale [Line Items]
Number of Securities | security	19	3
Fair Value
Less Than 12 Months	$ 57,024	$ 7,227
12 Months or More	0	0
Total	57,024	7,227
Unrealized Losses
Less Than 12 Months	616	37
12 Months or More	0	0
Total	$ 616	$ 37
Mortgage-backed and asset-backed
Debt Securities, Available-for-sale [Line Items]
Number of Securities | security	13	35
Fair Value
Less Than 12 Months	$ 28,862	$ 107,917
12 Months or More	7,030	76,867
Total	35,892	184,784
Unrealized Losses
Less Than 12 Months	77	508
12 Months or More	26	374
Total	$ 103	$ 882
Corporate debt
Debt Securities, Available-for-sale [Line Items]
Number of Securities | security	2
Fair Value
Less Than 12 Months	$ 3,005
12 Months or More	0
Total	3,005
Unrealized Losses
Less Than 12 Months	7
12 Months or More	0
Total	$ 7

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INVESTMENTS - Estimated fair values of debt securities available-for-sale by contractual maturity (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Fair Value
Total available-for-sale debt securities	$ 1,357,205	$ 1,072,765
Amortized Cost
Total available-for-sale debt securities	1,323,184	1,067,386
U.S. treasuries and government agencies
Fair Value
One year or less	28,139	69,799
One to five years	11,902	96,709
Five to ten years	0	0
After ten years	99,364	91,987
Amortized Cost
One year or less	27,974	69,330
One to five years	11,380	96,507
Five to ten years	0	0
After ten years	101,100	94,457
State and municipal
Fair Value
One year or less	18,663	33,311
One to five years	47,558	76,723
Five to ten years	59,670	75,820
After ten years	227,096	47,795
Amortized Cost
One year or less	18,457	33,054
One to five years	46,440	75,432
Five to ten years	56,731	73,741
After ten years	222,540	47,082
Mortgage-backed and asset-backed
Fair Value
One year or less	2	852
One to five years	21,191	7,125
Five to ten years	58,878	55,226
After ten years	772,243	507,556
Amortized Cost
One year or less	2	822
One to five years	20,800	6,969
Five to ten years	57,430	54,799
After ten years	748,218	505,783
Corporate debt
Fair Value
One year or less	0	0
One to five years	0	0
Five to ten years	12,499	9,552
After ten years	0	0
Amortized Cost
One year or less	0	0
One to five years	0	0
Five to ten years	12,112	9,100
After ten years	0	0
Trust preferred
Fair Value
One year or less	0	0
One to five years	0	0
Five to ten years	0	0
After ten years	0	310
Amortized Cost
One year or less	0	0
One to five years	0	0
Five to ten years	0	0
After ten years	$ 0	$ 310

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INVESTMENTS (Other Equity Securities) (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Federal Home Loan Bank Stock and Federal Reserve Bank Stock [Abstract]
Federal Reserve Bank stock	$ 38,650	$ 22,559
Federal Home Loan Bank of Atlanta stock	29,201	29,244
Marketable equity securities	677	0
Total equity securities	$ 68,528	$ 51,803

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LOANS - Narrative (Detail) - USD ($) $ in Thousands		9 Months Ended
	Apr. 01, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Net deferred loan fees		$ 28,300		$ 1,800
Loans receivable with a gross amortized cost basis	$ 2,500,000
PCD Loans acquired	974,800
Initial allowance on acquired Revere PCD loans	18,600	18,628	$ 0
Fair value premium	4,500
Total fair value of PCD loans as of the Acquisition Date	960,700	901,900
PCD remaining unamortized fair value premium		4,000
PCD loans non-accruing at the time of acquisition	11,300
Non-PCD loans	1,500,000	1,400,000
Net fair value premium	$ 2,100
Non-PCD remaining unamortized fair value premium		1,500
Paycheck Protection Program
Loans and Leases Receivable Disclosure [Line Items]
Net deferred loan fees		$ 25,500

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LOANS (Loan Portfolio Segment Balances) (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 10,333,935	$ 6,705,232
Commercial real estate: | Commercial investor real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	3,588,702	2,169,156
Commercial real estate: | Commercial owner-occupied real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,652,208	1,288,677
Commercial real estate: | Commercial AD&C
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	994,800	684,010
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	8,462,956	4,942,862
Commercial | Commercial business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,227,246	801,019
Residential real estate: | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,173,857	1,149,327
Residential real estate: | Residential construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	175,123	146,279
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	521,999	466,764
Total residential and consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 1,870,979	$ 1,762,370

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CREDIT QUALITY ASSESSMENT - Allowance for credit loss activity (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 01, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 56,132	$ 53,486	$ 53,486
Initial allowance on acquired Revere PCD loans	$ 18,600			18,628	0
Provision for credit losses		$ 7,003	$ 1,524	90,158	3,029	4,684
Loan charge-offs				(1,255)	(2,101)	(2,668)
Loan recoveries				906	578	630
Net charge-offs				(349)	(1,523)	(2,038)
Balance at period end		170,314	$ 54,992	170,314	54,992	56,132
Initial allowance on PCD loans at adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				2,762	0	0
Balance at period end		$ 2,762		2,762		2,762
Transition impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 2,983	$ 0	0
Balance at period end						$ 2,983

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CREDIT QUALITY ASSESSMENT - Collateral Dependent Loans (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Credit Loss [Abstract]
Collateral dependent loans individually evaluated for credit loss with an allowance	$ 25,823	$ 15,333
Collateral dependent loans individually evaluated for credit loss without an allowance	30,299	9,440
Total individually evaluated collateral dependent loans	56,122	24,773
Allowance for credit losses related to loans evaluated individually	8,263	5,501
Allowance for credit losses related to loans evaluated collectively	162,051	50,631
Total allowance for credit losses	$ 170,314	$ 56,132	$ 54,992	$ 53,486

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CREDIT QUALITY ASSESSMENT - Allowance for Credit or Loan Losses by Respective Loan Portfolio Segment (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 01, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 56,132	$ 53,486	$ 53,486
Initial allowance on acquired Revere PCD loans	$ 18,600			18,628	0
Provision for credit losses		$ 7,003	$ 1,524	90,158	3,029	4,684
Charge-offs				(1,255)	(2,101)	(2,668)
Recoveries				906	578	630
Net recoveries (charge-offs)				(349)	(1,523)	(2,038)
Balance at period end		170,314	$ 54,992	170,314	54,992	56,132
Total loans		$ 10,333,935		$ 10,333,935		$ 6,705,232
Allowance for credit losses to total loans ratio		1.65%		1.65%		0.84%
Balance of loans individually evaluated for credit loss		$ 56,122		$ 56,122		$ 24,773
Allowance related to loans evaluated individually		$ 8,263		$ 8,263		5,501
Individual allowance to loans evaluated individually ratio		14.72%		14.72%
Balance of loans collectively evaluated for credit loss		$ 10,277,813		$ 10,277,813
Allowance related to loans evaluated collectively		$ 162,051		$ 162,051		50,631
Balance of loans specifically evaluated for impairment						24,773
Allowance for loans specifically evaluated for impairment						$ 5,501
Specific allowance to specific loans ratio						22.21%
Balance of loans collectively evaluated						$ 6,667,375
Allowance for loans collectively evaluated						$ 50,631
Collective allowance to loans evaluated collectively ratio		1.58%		1.58%		0.76%
Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance of loans acquired with deteriorated credit quality						$ 13,084
Allowance for loans acquired with deteriorated credit quality						$ 0
Allowance to loan acquired with deteriorated credit quality ratio						0.00%
Initial allowance on PCD loans at adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 2,762	0	$ 0
Balance at period end		$ 2,762		2,762		2,762
Transition impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				2,983	0	0
Balance at period end						2,983
Commercial real estate: | Commercial investor real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				18,407	17,603	17,603
Initial allowance on acquired Revere PCD loans				7,973
Provision for credit losses				30,884		788
Charge-offs				(23)		0
Recoveries				6		16
Net recoveries (charge-offs)				(17)		16
Balance at period end		55,236		55,236		18,407
Total loans		$ 3,588,702		$ 3,588,702		$ 2,169,156
Allowance for credit losses to total loans ratio		1.54%		1.54%		0.85%
Balance of loans individually evaluated for credit loss		$ 27,508		$ 27,508
Allowance related to loans evaluated individually		$ 2,537		$ 2,537
Individual allowance to loans evaluated individually ratio		9.22%		9.22%
Balance of loans collectively evaluated for credit loss		$ 3,561,194		$ 3,561,194
Allowance related to loans evaluated collectively		$ 52,699		$ 52,699
Balance of loans specifically evaluated for impairment						$ 9,212
Allowance for loans specifically evaluated for impairment						$ 1,529
Specific allowance to specific loans ratio						16.60%
Balance of loans collectively evaluated						$ 2,150,400
Allowance for loans collectively evaluated						$ 16,878
Collective allowance to loans evaluated collectively ratio		1.48%		1.48%		0.78%
Commercial real estate: | Commercial investor real estate | Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance of loans acquired with deteriorated credit quality						$ 9,544
Allowance for loans acquired with deteriorated credit quality						$ 0
Allowance to loan acquired with deteriorated credit quality ratio						0.00%
Commercial real estate: | Commercial investor real estate | Initial allowance on PCD loans at adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 1,114
Balance at period end						$ 1,114
Commercial real estate: | Commercial investor real estate | Transition impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				(3,125)
Balance at period end						(3,125)
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				6,884	6,307	6,307
Initial allowance on acquired Revere PCD loans				2,782
Provision for credit losses				9,600		577
Charge-offs				0		0
Recoveries				0		0
Net recoveries (charge-offs)				0		0
Balance at period end		$ 19,653		19,653		6,884
Total loans		$ 1,652,208		$ 1,652,208		$ 1,288,677
Allowance for credit losses to total loans ratio		1.19%		1.19%		0.53%
Balance of loans individually evaluated for credit loss		$ 6,511		$ 6,511
Allowance related to loans evaluated individually		$ 22		$ 22
Individual allowance to loans evaluated individually ratio		0.34%		0.34%
Balance of loans collectively evaluated for credit loss		$ 1,645,697		$ 1,645,697
Allowance related to loans evaluated collectively		$ 19,631		$ 19,631
Balance of loans specifically evaluated for impairment						$ 4,148
Allowance for loans specifically evaluated for impairment						$ 23
Specific allowance to specific loans ratio						0.55%
Balance of loans collectively evaluated						$ 1,284,529
Allowance for loans collectively evaluated						$ 6,861
Collective allowance to loans evaluated collectively ratio		1.19%		1.19%		0.53%
Commercial real estate: | Commercial owner-occupied real estate | Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance of loans acquired with deteriorated credit quality						$ 0
Allowance for loans acquired with deteriorated credit quality						$ 0
Allowance to loan acquired with deteriorated credit quality ratio						0.00%
Commercial real estate: | Commercial owner-occupied real estate | Initial allowance on PCD loans at adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 0
Balance at period end						$ 0
Commercial real estate: | Commercial owner-occupied real estate | Transition impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				387
Balance at period end						387
Commercial real estate: | Commercial AD&C
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				7,590	5,944	5,944
Initial allowance on acquired Revere PCD loans				1,248
Provision for credit losses				7,377		1,418
Charge-offs				0		0
Recoveries				0		228
Net recoveries (charge-offs)				0		228
Balance at period end		$ 18,791		18,791		7,590
Total loans		$ 994,800		$ 994,800		$ 684,010
Allowance for credit losses to total loans ratio		1.89%		1.89%		1.11%
Balance of loans individually evaluated for credit loss		$ 1,678		$ 1,678
Allowance related to loans evaluated individually		$ 603		$ 603
Individual allowance to loans evaluated individually ratio		35.94%		35.94%
Balance of loans collectively evaluated for credit loss		$ 993,122		$ 993,122
Allowance related to loans evaluated collectively		$ 18,188		$ 18,188
Balance of loans specifically evaluated for impairment						$ 829
Allowance for loans specifically evaluated for impairment						$ 132
Specific allowance to specific loans ratio						15.92%
Balance of loans collectively evaluated						$ 683,181
Allowance for loans collectively evaluated						$ 7,458
Collective allowance to loans evaluated collectively ratio		1.83%		1.83%		1.09%
Commercial real estate: | Commercial AD&C | Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance of loans acquired with deteriorated credit quality						$ 0
Allowance for loans acquired with deteriorated credit quality						$ 0
Allowance to loan acquired with deteriorated credit quality ratio						0.00%
Commercial real estate: | Commercial AD&C | Initial allowance on PCD loans at adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 0
Balance at period end						$ 0
Commercial real estate: | Commercial AD&C | Transition impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				2,576
Balance at period end						2,576
Commercial Business
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Total loans		$ 8,462,956		8,462,956		4,942,862
Balance of loans individually evaluated for credit loss		18,728		18,728
Allowance related to loans evaluated individually		5,101		5,101
Commercial Business | Commercial business
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				11,395	11,377	11,377
Initial allowance on acquired Revere PCD loans				6,289
Provision for credit losses				34,671		1,164
Charge-offs				(429)		(1,195)
Recoveries				696		49
Net recoveries (charge-offs)				267		(1,146)
Balance at period end		57,159		57,159		11,395
Total loans		$ 2,227,246		$ 2,227,246		$ 801,019
Allowance for credit losses to total loans ratio		2.57%		2.57%		1.42%
Balance of loans individually evaluated for credit loss		$ 18,728		$ 18,728
Allowance related to loans evaluated individually		$ 5,101		$ 5,101
Individual allowance to loans evaluated individually ratio		27.24%		27.24%
Balance of loans collectively evaluated for credit loss		$ 2,208,518		$ 2,208,518
Allowance related to loans evaluated collectively		$ 52,058		$ 52,058
Balance of loans specifically evaluated for impairment						$ 8,867
Allowance for loans specifically evaluated for impairment						$ 3,817
Specific allowance to specific loans ratio						43.05%
Balance of loans collectively evaluated						$ 789,613
Allowance for loans collectively evaluated						$ 7,578
Collective allowance to loans evaluated collectively ratio		2.36%		2.36%		0.96%
Commercial Business | Commercial business | Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance of loans acquired with deteriorated credit quality						$ 2,539
Allowance for loans acquired with deteriorated credit quality						$ 0
Allowance to loan acquired with deteriorated credit quality ratio						0.00%
Commercial Business | Commercial business | Initial allowance on PCD loans at adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 1,549
Balance at period end						$ 1,549
Commercial Business | Commercial business | Transition impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				2,988
Balance at period end						2,988
Residential real estate: | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				8,803	8,881	8,881
Initial allowance on acquired Revere PCD loans				243
Provision for credit losses				3,595		474
Charge-offs				(420)		(690)
Recoveries				78		138
Net recoveries (charge-offs)				(342)		(552)
Balance at period end		$ 11,911		11,911		8,803
Total loans		$ 1,173,857		$ 1,173,857		$ 1,149,327
Allowance for credit losses to total loans ratio		1.01%		1.01%		0.77%
Balance of loans individually evaluated for credit loss		$ 1,333		$ 1,333
Allowance related to loans evaluated individually		$ 0		$ 0
Individual allowance to loans evaluated individually ratio		0.00%		0.00%
Balance of loans collectively evaluated for credit loss		$ 1,172,524		$ 1,172,524
Allowance related to loans evaluated collectively		$ 11,911		$ 11,911
Balance of loans specifically evaluated for impairment						$ 1,717
Allowance for loans specifically evaluated for impairment						$ 0
Specific allowance to specific loans ratio						0.00%
Balance of loans collectively evaluated						$ 1,147,602
Allowance for loans collectively evaluated						$ 8,803
Collective allowance to loans evaluated collectively ratio		1.02%		1.02%		0.77%
Residential real estate: | Residential mortgage | Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance of loans acquired with deteriorated credit quality						$ 8
Allowance for loans acquired with deteriorated credit quality						$ 0
Allowance to loan acquired with deteriorated credit quality ratio						0.00%
Residential real estate: | Residential mortgage | Initial allowance on PCD loans at adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 0
Balance at period end						$ 0
Residential real estate: | Residential mortgage | Transition impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				(388)
Balance at period end						(388)
Residential real estate: | Residential construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				967	1,261	1,261
Initial allowance on acquired Revere PCD loans				6
Provision for credit losses				761		(302)
Charge-offs				0		0
Recoveries				5		8
Net recoveries (charge-offs)				5		8
Balance at period end		$ 1,464		1,464		967
Total loans		$ 175,123		$ 175,123		$ 146,279
Allowance for credit losses to total loans ratio		0.84%		0.84%		0.66%
Balance of loans individually evaluated for credit loss		$ 0		$ 0
Allowance related to loans evaluated individually		$ 0		$ 0
Individual allowance to loans evaluated individually ratio		0.00%		0.00%
Balance of loans collectively evaluated for credit loss		$ 175,123		$ 175,123
Allowance related to loans evaluated collectively		$ 1,464		$ 1,464
Balance of loans specifically evaluated for impairment						$ 0
Allowance for loans specifically evaluated for impairment						$ 0
Specific allowance to specific loans ratio						0.00%
Balance of loans collectively evaluated						$ 146,279
Allowance for loans collectively evaluated						$ 967
Collective allowance to loans evaluated collectively ratio		0.84%		0.84%		0.66%
Residential real estate: | Residential construction | Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance of loans acquired with deteriorated credit quality						$ 0
Allowance for loans acquired with deteriorated credit quality						$ 0
Allowance to loan acquired with deteriorated credit quality ratio						0.00%
Residential real estate: | Residential construction | Initial allowance on PCD loans at adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 0
Balance at period end						$ 0
Residential real estate: | Residential construction | Transition impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				(275)
Balance at period end						(275)
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				2,086	$ 2,113	2,113
Initial allowance on acquired Revere PCD loans				87
Provision for credit losses				3,270		565
Charge-offs				(383)		(783)
Recoveries				121		191
Net recoveries (charge-offs)				(262)		(592)
Balance at period end		$ 6,100		6,100		2,086
Total loans		$ 521,999		$ 521,999		$ 466,764
Allowance for credit losses to total loans ratio		1.17%		1.17%		0.45%
Balance of loans individually evaluated for credit loss		$ 364		$ 364
Allowance related to loans evaluated individually		$ 0		$ 0
Individual allowance to loans evaluated individually ratio		0.00%		0.00%
Balance of loans collectively evaluated for credit loss		$ 521,635		$ 521,635
Allowance related to loans evaluated collectively		$ 6,100		$ 6,100
Balance of loans specifically evaluated for impairment						$ 0
Allowance for loans specifically evaluated for impairment						$ 0
Specific allowance to specific loans ratio						0.00%
Balance of loans collectively evaluated						$ 465,771
Allowance for loans collectively evaluated						$ 2,086
Collective allowance to loans evaluated collectively ratio		1.17%		1.17%		0.45%
Consumer | Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance of loans acquired with deteriorated credit quality						$ 993
Allowance for loans acquired with deteriorated credit quality						$ 0
Allowance to loan acquired with deteriorated credit quality ratio						0.00%
Consumer | Initial allowance on PCD loans at adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 99
Balance at period end						$ 99
Consumer | Transition impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period				$ 820
Balance at period end						$ 820

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CREDIT QUALITY ASSESSMENT - Collateral dependent loans individually evaluated for credit loss (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	$ 25,823	$ 15,333
Allowance related to loans evaluated individually	8,263	5,501
Loans individually evaluated for credit loss without an allowance	30,299	9,440
Total individually evaluated collateral dependent loans	56,122	$ 24,773
Total unpaid contractual principal balance	75,551
Non-accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	22,057
Loans individually evaluated for credit loss without an allowance	25,618
Total individually evaluated collateral dependent loans	47,675
Non-accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	2,828
Loans individually evaluated for credit loss without an allowance	2,765
Total individually evaluated collateral dependent loans	5,593
Accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	938
Loans individually evaluated for credit loss without an allowance	1,916
Total individually evaluated collateral dependent loans	2,854
Commercial real estate: | Commercial investor real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	14,991
Allowance related to loans evaluated individually	2,537
Loans individually evaluated for credit loss without an allowance	12,517
Total individually evaluated collateral dependent loans	27,508
Total unpaid contractual principal balance	33,452
Commercial real estate: | Commercial investor real estate | Non-accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	14,267
Loans individually evaluated for credit loss without an allowance	11,417
Total individually evaluated collateral dependent loans	25,684
Commercial real estate: | Commercial investor real estate | Non-accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	724
Loans individually evaluated for credit loss without an allowance	376
Total individually evaluated collateral dependent loans	1,100
Commercial real estate: | Commercial investor real estate | Accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	724
Total individually evaluated collateral dependent loans	724
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	853
Allowance related to loans evaluated individually	22
Loans individually evaluated for credit loss without an allowance	5,658
Total individually evaluated collateral dependent loans	6,511
Total unpaid contractual principal balance	10,203
Commercial real estate: | Commercial owner-occupied real estate | Non-accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	4,194
Total individually evaluated collateral dependent loans	4,194
Commercial real estate: | Commercial owner-occupied real estate | Non-accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	853
Loans individually evaluated for credit loss without an allowance	1,464
Total individually evaluated collateral dependent loans	2,317
Commercial real estate: | Commercial owner-occupied real estate | Accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	0
Commercial real estate: | Commercial AD&C
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	1,678
Allowance related to loans evaluated individually	603
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	1,678
Total unpaid contractual principal balance	1,678
Commercial real estate: | Commercial AD&C | Non-accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	1,678
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	1,678
Commercial real estate: | Commercial AD&C | Non-accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	0
Commercial real estate: | Commercial AD&C | Accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	0
Commercial Business
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	8,301
Allowance related to loans evaluated individually	5,101
Loans individually evaluated for credit loss without an allowance	10,427
Total individually evaluated collateral dependent loans	18,728
Total unpaid contractual principal balance	27,171
Commercial Business | Non-accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	6,112
Loans individually evaluated for credit loss without an allowance	10,007
Total individually evaluated collateral dependent loans	16,119
Commercial Business | Non-accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	1,251
Loans individually evaluated for credit loss without an allowance	289
Total individually evaluated collateral dependent loans	1,540
Commercial Business | Accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	938
Loans individually evaluated for credit loss without an allowance	131
Total individually evaluated collateral dependent loans	1,069
Residential real estate: | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Allowance related to loans evaluated individually	0
Loans individually evaluated for credit loss without an allowance	1,333
Total individually evaluated collateral dependent loans	1,333
Total unpaid contractual principal balance	2,683
Residential real estate: | Residential mortgage | Non-accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	0
Residential real estate: | Residential mortgage | Non-accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	272
Total individually evaluated collateral dependent loans	272
Residential real estate: | Residential mortgage | Accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	1,061
Total individually evaluated collateral dependent loans	1,061
Residential real estate: | Residential construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Allowance related to loans evaluated individually	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	0
Total unpaid contractual principal balance	0
Residential real estate: | Residential construction | Non-accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	0
Residential real estate: | Residential construction | Non-accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	0
Residential real estate: | Residential construction | Accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	0
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Allowance related to loans evaluated individually	0
Loans individually evaluated for credit loss without an allowance	364
Total individually evaluated collateral dependent loans	364
Total unpaid contractual principal balance	364
Consumer | Non-accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	0
Consumer | Non-accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	364
Total individually evaluated collateral dependent loans	364
Consumer | Accruing | Restructured
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for credit loss with an allowance	0
Loans individually evaluated for credit loss without an allowance	0
Total individually evaluated collateral dependent loans	$ 0

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CREDIT QUALITY ASSESSMENT (Non-accrual Loans) (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	$ 62,612
Contractual interest income due on non- accrual loans during the period	3,420
Commercial real estate: | Commercial investor real estate
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	22,254
Contractual interest income due on non- accrual loans during the period	1,496
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	5,366
Contractual interest income due on non- accrual loans during the period	368
Commercial real estate: | Commercial AD&C
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	1,573
Contractual interest income due on non- accrual loans during the period	67
Commercial Business
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	14,932
Contractual interest income due on non- accrual loans during the period	750
Residential real estate: | Residential mortgage
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	11,990
Contractual interest income due on non- accrual loans during the period	447
Residential real estate: | Residential construction
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	0
Contractual interest income due on non- accrual loans during the period	0
Consumer
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	6,497
Contractual interest income due on non- accrual loans during the period	$ 292

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CREDIT QUALITY ASSESSMENT - Narrative (Detail) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans placed on non-accrual		$ 30,500,000
Reversal of uncollected accrued interest		300,000
Period increase (decrease)	$ 0
Other real estate owned		1,389,000	$ 1,482,000
Consumer mortgage loan		100,000
Restructured Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans restructured during the period		2,800,000	2,400,000
Individual reserves		900,000	400,000
Other real estate owned		$ 1,400,000	$ 1,500,000

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CREDIT QUALITY ASSESSMENT - Recorded Investment with Respect to Impaired loans, Associated Allowance by Applicable Portfolio Segment (Detail) $ in Thousands	Dec. 31, 2019 USD ($)
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	$ 15,333
Allowance	5,501
Impaired loans without a specific allowance:	9,440
Total impaired loans:	24,773
Unpaid principal balance in total impaired loans	34,620
Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	12,652
Impaired loans without a specific allowance:	4,188
Total impaired loans:	16,840
Restructured | Accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	266
Impaired loans without a specific allowance:	2,370
Total impaired loans:	2,636
Restructured | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	2,415
Impaired loans without a specific allowance:	2,882
Total impaired loans:	5,297
All Other Loans
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	0
Allowance	0
Impaired loans without a specific allowance:	1,717
Total impaired loans:	1,717
Unpaid principal balance in total impaired loans	2,618
All Other Loans | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	0
Impaired loans without a specific allowance:	0
Total impaired loans:	0
All Other Loans | Restructured | Accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	0
Impaired loans without a specific allowance:	1,444
Total impaired loans:	1,444
All Other Loans | Restructured | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	0
Impaired loans without a specific allowance:	273
Total impaired loans:	273
Commercial real estate: | Commercial investor real estate
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	5,885
Allowance	1,529
Impaired loans without a specific allowance:	3,327
Total impaired loans:	9,212
Unpaid principal balance in total impaired loans	13,805
Commercial real estate: | Commercial investor real estate | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	5,448
Impaired loans without a specific allowance:	2,552
Total impaired loans:	8,000
Commercial real estate: | Commercial investor real estate | Restructured | Accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	0
Impaired loans without a specific allowance:	775
Total impaired loans:	775
Commercial real estate: | Commercial investor real estate | Restructured | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	437
Impaired loans without a specific allowance:	0
Total impaired loans:	437
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	889
Allowance	23
Impaired loans without a specific allowance:	3,259
Total impaired loans:	4,148
Unpaid principal balance in total impaired loans	6,072
Commercial real estate: | Commercial owner-occupied real estate | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	767
Impaired loans without a specific allowance:	1,522
Total impaired loans:	2,289
Commercial real estate: | Commercial owner-occupied real estate | Restructured | Accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	0
Impaired loans without a specific allowance:	0
Total impaired loans:	0
Commercial real estate: | Commercial owner-occupied real estate | Restructured | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	122
Impaired loans without a specific allowance:	1,737
Total impaired loans:	1,859
Commercial real estate: | Commercial AD&C
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	829
Allowance	132
Impaired loans without a specific allowance:	0
Total impaired loans:	829
Unpaid principal balance in total impaired loans	829
Commercial real estate: | Commercial AD&C | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	829
Impaired loans without a specific allowance:	0
Total impaired loans:	829
Commercial real estate: | Commercial AD&C | Restructured | Accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	0
Impaired loans without a specific allowance:	0
Total impaired loans:	0
Commercial real estate: | Commercial AD&C | Restructured | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	0
Impaired loans without a specific allowance:	0
Total impaired loans:	0
Commercial Business
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	7,730
Allowance	3,817
Impaired loans without a specific allowance:	1,137
Total impaired loans:	8,867
Unpaid principal balance in total impaired loans	11,296
Commercial Business | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	5,608
Impaired loans without a specific allowance:	114
Total impaired loans:	5,722
Commercial Business | Restructured | Accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	266
Impaired loans without a specific allowance:	151
Total impaired loans:	417
Commercial Business | Restructured | Non-accruing
Financing Receivable, Impaired [Line Items]
Impaired loans with a specific allowance:	1,856
Impaired loans without a specific allowance:	872
Total impaired loans:	$ 2,728

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CREDIT QUALITY ASSESSMENT - Impaired Loans by Portfolio (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Financing Receivable, Impaired [Line Items]
Average impaired loans for the period	$ 23,365
Contractual interest income due on impaired loans during the period	1,947
Interest income on impaired loans recognized on an accrual basis	169
All Other Loans
Financing Receivable, Impaired [Line Items]
Average impaired loans for the period	1,577
Contractual interest income due on impaired loans during the period	128
Interest income on impaired loans recognized on an accrual basis	68
Commercial real estate: | Commercial investor real estate
Financing Receivable, Impaired [Line Items]
Average impaired loans for the period	7,565
Contractual interest income due on impaired loans during the period	786
Interest income on impaired loans recognized on an accrual basis	39
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Impaired [Line Items]
Average impaired loans for the period	4,390
Contractual interest income due on impaired loans during the period	258
Interest income on impaired loans recognized on an accrual basis	0
Commercial real estate: | Commercial AD&C
Financing Receivable, Impaired [Line Items]
Average impaired loans for the period	2,052
Contractual interest income due on impaired loans during the period	127
Interest income on impaired loans recognized on an accrual basis	0
Commercial Business
Financing Receivable, Impaired [Line Items]
Average impaired loans for the period	7,781
Contractual interest income due on impaired loans during the period	648
Interest income on impaired loans recognized on an accrual basis	$ 62

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CREDIT QUALITY ASSESSMENT - Information on the credit quality of loan portfolio under the new CECL (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 38,632
Loans placed on non-accrual	30,500
Commercial real estate: | Commercial investor real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	8,437
Commercial real estate: | Commercial owner-occupied real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	4,148
Commercial real estate: | Commercial AD&C
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	829
Commercial Business
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	8,450
Residential real estate: | Residential mortgage
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	12,661
Residential real estate: | Residential construction
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0
Consumer
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	4,107
Non-accrual status
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	38,632
PCD loans designed as non-accrual	13,084
Loans placed on non-accrual	30,551
Non-accrual balances transferred to OREO	0
Non-accrual balances charged-off	(881)
Net payments or draws	(7,989)
Non-accrual loans brought current	(1,976)
Balance at end of period	71,421
Non-accrual status | Commercial real estate: | Commercial investor real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	8,437
PCD loans designed as non-accrual	9,544
Loans placed on non-accrual	9,437
Non-accrual balances transferred to OREO	0
Non-accrual balances charged-off	(23)
Net payments or draws	(611)
Non-accrual loans brought current	0
Balance at end of period	26,784
Non-accrual status | Commercial real estate: | Commercial owner-occupied real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	4,148
PCD loans designed as non-accrual	0
Loans placed on non-accrual	3,425
Non-accrual balances transferred to OREO	0
Non-accrual balances charged-off	0
Net payments or draws	(961)
Non-accrual loans brought current	(101)
Balance at end of period	6,511
Non-accrual status | Commercial real estate: | Commercial AD&C
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	829
PCD loans designed as non-accrual	0
Loans placed on non-accrual	2,128
Non-accrual balances transferred to OREO	0
Non-accrual balances charged-off	0
Net payments or draws	(1,279)
Non-accrual loans brought current	0
Balance at end of period	1,678
Non-accrual status | Commercial Business
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	8,450
PCD loans designed as non-accrual	2,539
Loans placed on non-accrual	10,988
Non-accrual balances transferred to OREO	0
Non-accrual balances charged-off	(386)
Net payments or draws	(3,052)
Non-accrual loans brought current	(880)
Balance at end of period	17,659
Non-accrual status | Residential real estate: | Residential mortgage
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	12,661
PCD loans designed as non-accrual	8
Loans placed on non-accrual	896
Non-accrual balances transferred to OREO	0
Non-accrual balances charged-off	(351)
Net payments or draws	(1,058)
Non-accrual loans brought current	(860)
Balance at end of period	11,296
Non-accrual status | Residential real estate: | Residential construction
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0
PCD loans designed as non-accrual	0
Loans placed on non-accrual	0
Non-accrual balances transferred to OREO	0
Non-accrual balances charged-off	0
Net payments or draws	0
Non-accrual loans brought current	0
Balance at end of period	0
Non-accrual status | Consumer
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	4,107
PCD loans designed as non-accrual	993
Loans placed on non-accrual	3,677
Non-accrual balances transferred to OREO	0
Non-accrual balances charged-off	(121)
Net payments or draws	(1,028)
Non-accrual loans brought current	(135)
Balance at end of period	$ 7,493

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CREDIT QUALITY ASSESSMENT (Credit Quality of Loan Portfolio, New) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Past due		$ 27,748
Non-accrual loans		38,632
Loans greater than 90 days past due		0
Restructured loans		2,636
Total loans	$ 10,333,935	6,705,232
Performing loans:
Financing Receivable, Past Due [Line Items]
Current	10,221,551
Total performing loans	10,259,246
Non-performing loans:
Financing Receivable, Past Due [Line Items]
Non-accrual loans	71,421
Loans greater than 90 days past due	414
Restructured loans	2,854
Total non-performing loans	74,689
30-59 days
Financing Receivable, Past Due [Line Items]
Past due		19,986
30-59 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	30,188
60-89 days
Financing Receivable, Past Due [Line Items]
Past due		7,762
60-89 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	7,507
Commercial real estate: | Commercial investor real estate
Financing Receivable, Past Due [Line Items]
Past due		932
Non-accrual loans		8,437
Loans greater than 90 days past due		0
Restructured loans		775
Total loans	3,588,702	2,169,156
Commercial real estate: | Commercial investor real estate | Performing loans:
Financing Receivable, Past Due [Line Items]
Current	3,555,815
Total performing loans	3,561,194
Commercial real estate: | Commercial investor real estate | Non-performing loans:
Financing Receivable, Past Due [Line Items]
Non-accrual loans	26,784
Loans greater than 90 days past due	0
Restructured loans	724
Total non-performing loans	27,508
Commercial real estate: | Commercial investor real estate | 30-59 days
Financing Receivable, Past Due [Line Items]
Past due		932
Commercial real estate: | Commercial investor real estate | 30-59 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	4,181
Commercial real estate: | Commercial investor real estate | 60-89 days
Financing Receivable, Past Due [Line Items]
Past due		0
Commercial real estate: | Commercial investor real estate | 60-89 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	1,198
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Past Due [Line Items]
Past due		316
Non-accrual loans		4,148
Loans greater than 90 days past due		0
Restructured loans		0
Total loans	1,652,208	1,288,677
Commercial real estate: | Commercial owner-occupied real estate | Performing loans:
Financing Receivable, Past Due [Line Items]
Current	1,643,589
Total performing loans	1,645,697
Commercial real estate: | Commercial owner-occupied real estate | Non-performing loans:
Financing Receivable, Past Due [Line Items]
Non-accrual loans	6,511
Loans greater than 90 days past due	0
Restructured loans	0
Total non-performing loans	6,511
Commercial real estate: | Commercial owner-occupied real estate | 30-59 days
Financing Receivable, Past Due [Line Items]
Past due		316
Commercial real estate: | Commercial owner-occupied real estate | 30-59 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	2,108
Commercial real estate: | Commercial owner-occupied real estate | 60-89 days
Financing Receivable, Past Due [Line Items]
Past due		0
Commercial real estate: | Commercial owner-occupied real estate | 60-89 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	0
Commercial real estate: | Commercial AD&C
Financing Receivable, Past Due [Line Items]
Past due		0
Non-accrual loans		829
Loans greater than 90 days past due		0
Restructured loans		0
Total loans	994,800	684,010
Commercial real estate: | Commercial AD&C | Performing loans:
Financing Receivable, Past Due [Line Items]
Current	991,086
Total performing loans	993,122
Commercial real estate: | Commercial AD&C | Non-performing loans:
Financing Receivable, Past Due [Line Items]
Non-accrual loans	1,678
Loans greater than 90 days past due	0
Restructured loans	0
Total non-performing loans	1,678
Commercial real estate: | Commercial AD&C | 30-59 days
Financing Receivable, Past Due [Line Items]
Past due		0
Commercial real estate: | Commercial AD&C | 30-59 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	1,634
Commercial real estate: | Commercial AD&C | 60-89 days
Financing Receivable, Past Due [Line Items]
Past due		0
Commercial real estate: | Commercial AD&C | 60-89 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	402
Commercial Business
Financing Receivable, Past Due [Line Items]
Non-accrual loans		8,450
Loans greater than 90 days past due		0
Restructured loans		417
Total loans	8,462,956	4,942,862
Commercial Business | Commercial business
Financing Receivable, Past Due [Line Items]
Past due		1,278
Non-accrual loans		8,450
Total loans	2,227,246	801,019
Commercial Business | Commercial business | Performing loans:
Financing Receivable, Past Due [Line Items]
Current	2,198,943
Total performing loans	2,208,425
Commercial Business | Commercial business | Non-performing loans:
Financing Receivable, Past Due [Line Items]
Non-accrual loans	17,659
Loans greater than 90 days past due	93
Restructured loans	1,069
Total non-performing loans	18,821
Commercial Business | Commercial business | 30-59 days
Financing Receivable, Past Due [Line Items]
Past due		908
Commercial Business | Commercial business | 30-59 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	8,862
Commercial Business | Commercial business | 60-89 days
Financing Receivable, Past Due [Line Items]
Past due		370
Commercial Business | Commercial business | 60-89 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	620
Residential real estate: | Residential mortgage
Financing Receivable, Past Due [Line Items]
Past due		19,394
Non-accrual loans		12,661
Loans greater than 90 days past due		0
Restructured loans		1,080
Total loans	1,173,857	1,149,327
Residential real estate: | Residential mortgage | Performing loans:
Financing Receivable, Past Due [Line Items]
Current	1,155,016
Total performing loans	1,161,180
Residential real estate: | Residential mortgage | Non-performing loans:
Financing Receivable, Past Due [Line Items]
Non-accrual loans	11,296
Loans greater than 90 days past due	320
Restructured loans	1,061
Total non-performing loans	12,677
Residential real estate: | Residential mortgage | 30-59 days
Financing Receivable, Past Due [Line Items]
Past due		14,853
Residential real estate: | Residential mortgage | 30-59 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	5,197
Residential real estate: | Residential mortgage | 60-89 days
Financing Receivable, Past Due [Line Items]
Past due		4,541
Residential real estate: | Residential mortgage | 60-89 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	967
Residential real estate: | Residential construction
Financing Receivable, Past Due [Line Items]
Past due		1,614
Non-accrual loans		0
Loans greater than 90 days past due		0
Restructured loans		0
Total loans	175,123	146,279
Residential real estate: | Residential construction | Performing loans:
Financing Receivable, Past Due [Line Items]
Current	169,766
Total performing loans	175,123
Residential real estate: | Residential construction | Non-performing loans:
Financing Receivable, Past Due [Line Items]
Non-accrual loans	0
Loans greater than 90 days past due	0
Restructured loans	0
Total non-performing loans	0
Residential real estate: | Residential construction | 30-59 days
Financing Receivable, Past Due [Line Items]
Past due		280
Residential real estate: | Residential construction | 30-59 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	3,167
Residential real estate: | Residential construction | 60-89 days
Financing Receivable, Past Due [Line Items]
Past due		1,334
Residential real estate: | Residential construction | 60-89 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	2,190
Consumer
Financing Receivable, Past Due [Line Items]
Past due		4,214
Non-accrual loans		4,107
Loans greater than 90 days past due		0
Restructured loans		364
Total loans	521,999	466,764
Consumer | Performing loans:
Financing Receivable, Past Due [Line Items]
Current	507,336
Total performing loans	514,505
Consumer | Non-performing loans:
Financing Receivable, Past Due [Line Items]
Non-accrual loans	7,493
Loans greater than 90 days past due	1
Restructured loans	0
Total non-performing loans	7,494
Consumer | 30-59 days
Financing Receivable, Past Due [Line Items]
Past due		2,697
Consumer | 30-59 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	5,039
Consumer | 60-89 days
Financing Receivable, Past Due [Line Items]
Past due		$ 1,517
Consumer | 60-89 days | Performing loans:
Financing Receivable, Past Due [Line Items]
Past due	$ 2,130

XML

CREDIT QUALITY ASSESSMENT (information about credit quality indicator by year of origination) (Detail) $ in Thousands	Sep. 30, 2020 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 2,703,250
2019	1,878,403
2018	1,279,725
2017	1,127,260
2016	932,405
Prior	1,415,563
Revolving Loans	997,329
Total	10,333,935
Commercial investor real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2020	680,857
2019	803,725
2018	485,876
2017	508,924
2016	493,956
Prior	583,951
Revolving Loans	31,413
Total	3,588,702
Commercial investor real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	675,314
2019	799,088
2018	466,850
2017	501,591
2016	493,003
Prior	566,433
Revolving Loans	31,413
Total	3,533,692
Commercial investor real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	5,049
2019	1,617
2018	19,026
2017	232
2016	271
Prior	1,873
Revolving Loans	0
Total	28,068
Commercial investor real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	494
2019	3,020
2018	0
2017	7,101
2016	682
Prior	15,645
Revolving Loans	0
Total	26,942
Commercial investor real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Total	0
Commercial owner-occupied real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2020	210,696
2019	397,591
2018	255,235
2017	209,495
2016	209,577
Prior	367,802
Revolving Loans	1,812
Total	1,652,208
Commercial owner-occupied real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	207,879
2019	392,597
2018	248,942
2017	203,649
2016	209,218
Prior	356,393
Revolving Loans	1,812
Total	1,620,490
Commercial owner-occupied real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	2,324
2019	4,124
2018	5,505
2017	5,381
2016	137
Prior	5,307
Revolving Loans	0
Total	22,778
Commercial owner-occupied real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	493
2019	870
2018	788
2017	465
2016	222
Prior	5,863
Revolving Loans	0
Total	8,701
Commercial owner-occupied real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	239
Revolving Loans	0
Total	239
Commercial AD&C
Financing Receivable, Credit Quality Indicator [Line Items]
2020	359,083
2019	293,857
2018	169,833
2017	76,340
2016	9,554
Prior	2,377
Revolving Loans	83,756
Total	994,800
Commercial AD&C | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	356,246
2019	292,303
2018	169,833
2017	62,582
2016	6,711
Prior	2,377
Revolving Loans	83,756
Total	973,808
Commercial AD&C | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,710
2019	0
2018	0
2017	13,658
2016	0
Prior	0
Revolving Loans	0
Total	15,368
Commercial AD&C | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,127
2019	1,554
2018	0
2017	100
2016	2,843
Prior	0
Revolving Loans	0
Total	5,624
Commercial AD&C | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Total	0
Residential mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2020	174,423
2019	84,846
2018	187,470
2017	225,601
2016	169,331
Prior	332,186
Revolving Loans	0
Total	1,173,857
Residential mortgage | 660-850
Financing Receivable, Credit Quality Indicator [Line Items]
2020	169,476
2019	69,350
2018	164,196
2017	207,953
2016	153,302
Prior	285,639
Revolving Loans	0
Total	1,049,916
Residential mortgage | 600-659
Financing Receivable, Credit Quality Indicator [Line Items]
2020	4,235
2019	11,924
2018	12,136
2017	13,559
2016	9,753
Prior	24,752
Revolving Loans	0
Total	76,359
Residential mortgage | 540-599
Financing Receivable, Credit Quality Indicator [Line Items]
2020	321
2019	1,833
2018	5,089
2017	2,722
2016	3,507
Prior	9,270
Revolving Loans	0
Total	22,742
Residential mortgage | less than 540
Financing Receivable, Credit Quality Indicator [Line Items]
2020	391
2019	1,739
2018	6,049
2017	1,367
2016	2,769
Prior	12,525
Revolving Loans	0
Total	24,840
Residential construction
Financing Receivable, Credit Quality Indicator [Line Items]
2020	81,390
2019	67,765
2018	19,900
2017	3,963
2016	2,105
Prior	0
Revolving Loans	0
Total	175,123
Residential construction | 660-850
Financing Receivable, Credit Quality Indicator [Line Items]
2020	79,897
2019	66,861
2018	19,900
2017	3,963
2016	1,736
Prior	0
Revolving Loans	0
Total	172,357
Residential construction | 600-659
Financing Receivable, Credit Quality Indicator [Line Items]
2020	987
2019	904
2018	0
2017	0
2016	369
Prior	0
Revolving Loans	0
Total	2,260
Residential construction | 540-599
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Total	0
Residential construction | less than 540
Financing Receivable, Credit Quality Indicator [Line Items]
2020	506
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Total	506
Commercial Business
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,192,841
2019	223,573
2018	154,930
2017	99,042
2016	42,770
Prior	94,920
Revolving Loans	419,170
Total	2,227,246
Commercial Business | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,190,428
2019	215,772
2018	149,231
2017	97,275
2016	37,641
Prior	88,653
Revolving Loans	410,116
Total	2,189,116
Commercial Business | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	249
2019	3,517
2018	1,462
2017	18
2016	1,467
Prior	2,210
Revolving Loans	4,365
Total	13,288
Commercial Business | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	2,050
2019	3,242
2018	3,287
2017	1,713
2016	2,353
Prior	2,070
Revolving Loans	1,708
Total	16,423
Commercial Business | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	114
2019	1,042
2018	950
2017	36
2016	1,309
Prior	1,987
Revolving Loans	2,981
Total	8,419
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2020	3,960
2019	7,046
2018	6,481
2017	3,895
2016	5,112
Prior	34,327
Revolving Loans	461,178
Total	521,999
Consumer | 660-850
Financing Receivable, Credit Quality Indicator [Line Items]
2020	2,561
2019	5,345
2018	5,327
2017	2,297
2016	2,772
Prior	23,023
Revolving Loans	420,848
Total	462,173
Consumer | 600-659
Financing Receivable, Credit Quality Indicator [Line Items]
2020	608
2019	747
2018	286
2017	452
2016	1,076
Prior	5,090
Revolving Loans	20,555
Total	28,814
Consumer | 540-599
Financing Receivable, Credit Quality Indicator [Line Items]
2020	49
2019	433
2018	260
2017	93
2016	503
Prior	3,101
Revolving Loans	8,141
Total	12,580
Consumer | less than 540
Financing Receivable, Credit Quality Indicator [Line Items]
2020	742
2019	521
2018	608
2017	1,053
2016	761
Prior	3,113
Revolving Loans	11,634
Total	$ 18,432

XML

CREDIT QUALITY ASSESSMENT (historical information on the credit quality of the loan portfolio under the legacy disclosure) (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Non-accrual loans		$ 38,632
Loans 90 days past due		0
Restructured loans		2,636
Total non-performing loans		41,268
Other real estate owned	$ 1,389	1,482
Total non-performing assets		42,750
Commercial real estate: | Commercial investor real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Non-accrual loans		8,437
Loans 90 days past due		0
Restructured loans		775
Total non-performing loans		9,212
Other real estate owned		409
Total non-performing assets		9,621
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Non-accrual loans		4,148
Loans 90 days past due		0
Restructured loans		0
Total non-performing loans		4,148
Other real estate owned		0
Total non-performing assets		4,148
Commercial real estate: | Commercial AD&C
Financing Receivable, Credit Quality Indicator [Line Items]
Non-accrual loans		829
Loans 90 days past due		0
Restructured loans		0
Total non-performing loans		829
Other real estate owned		665
Total non-performing assets		1,494
Commercial Business
Financing Receivable, Credit Quality Indicator [Line Items]
Non-accrual loans		8,450
Loans 90 days past due		0
Restructured loans		417
Total non-performing loans		8,867
Other real estate owned		39
Total non-performing assets		8,906
Residential real estate: | Residential mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Non-accrual loans		12,661
Loans 90 days past due		0
Restructured loans		1,080
Total non-performing loans		13,741
Other real estate owned		305
Total non-performing assets		14,046
Residential real estate: | Residential construction
Financing Receivable, Credit Quality Indicator [Line Items]
Non-accrual loans		0
Loans 90 days past due		0
Restructured loans		0
Total non-performing loans		0
Other real estate owned		0
Total non-performing assets		0
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Non-accrual loans		4,107
Loans 90 days past due		0
Restructured loans		364
Total non-performing loans		4,471
Other real estate owned		64
Total non-performing assets		$ 4,535

XML

CREDIT QUALITY ASSESSMENT (Credit Quality of Loan Portfolio) (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Total past due		$ 27,748
Non-accrual loans		38,632
Loans acquired with deteriorated credit quality		13,084
Current loans		6,625,768
Total loans	$ 10,333,935	6,705,232
Commercial real estate: | Commercial investor real estate
Financing Receivable, Past Due [Line Items]
Total past due		932
Non-accrual loans		8,437
Loans acquired with deteriorated credit quality		9,544
Current loans		2,150,243
Total loans	3,588,702	2,169,156
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Past Due [Line Items]
Total past due		316
Non-accrual loans		4,148
Loans acquired with deteriorated credit quality		0
Current loans		1,284,213
Total loans	1,652,208	1,288,677
Commercial real estate: | Commercial AD&C
Financing Receivable, Past Due [Line Items]
Total past due		0
Non-accrual loans		829
Loans acquired with deteriorated credit quality		0
Current loans		683,181
Total loans	994,800	684,010
Commercial Business
Financing Receivable, Past Due [Line Items]
Non-accrual loans		8,450
Total loans	8,462,956	4,942,862
Commercial Business | Commercial business
Financing Receivable, Past Due [Line Items]
Total past due		1,278
Non-accrual loans		8,450
Loans acquired with deteriorated credit quality		2,539
Current loans		788,752
Total loans	2,227,246	801,019
Residential real estate: | Residential mortgage
Financing Receivable, Past Due [Line Items]
Total past due		19,394
Non-accrual loans		12,661
Loans acquired with deteriorated credit quality		8
Current loans		1,117,264
Total loans	1,173,857	1,149,327
Residential real estate: | Residential construction
Financing Receivable, Past Due [Line Items]
Total past due		1,614
Non-accrual loans		0
Loans acquired with deteriorated credit quality		0
Current loans		144,665
Total loans	175,123	146,279
Consumer
Financing Receivable, Past Due [Line Items]
Total past due		4,214
Non-accrual loans		4,107
Loans acquired with deteriorated credit quality		993
Current loans		457,450
Total loans	$ 521,999	466,764
30-59 days
Financing Receivable, Past Due [Line Items]
Total past due		19,986
30-59 days | Commercial real estate: | Commercial investor real estate
Financing Receivable, Past Due [Line Items]
Total past due		932
30-59 days | Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Past Due [Line Items]
Total past due		316
30-59 days | Commercial real estate: | Commercial AD&C
Financing Receivable, Past Due [Line Items]
Total past due		0
30-59 days | Commercial Business | Commercial business
Financing Receivable, Past Due [Line Items]
Total past due		908
30-59 days | Residential real estate: | Residential mortgage
Financing Receivable, Past Due [Line Items]
Total past due		14,853
30-59 days | Residential real estate: | Residential construction
Financing Receivable, Past Due [Line Items]
Total past due		280
30-59 days | Consumer
Financing Receivable, Past Due [Line Items]
Total past due		2,697
60-89 days
Financing Receivable, Past Due [Line Items]
Total past due		7,762
60-89 days | Commercial real estate: | Commercial investor real estate
Financing Receivable, Past Due [Line Items]
Total past due		0
60-89 days | Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Past Due [Line Items]
Total past due		0
60-89 days | Commercial real estate: | Commercial AD&C
Financing Receivable, Past Due [Line Items]
Total past due		0
60-89 days | Commercial Business | Commercial business
Financing Receivable, Past Due [Line Items]
Total past due		370
60-89 days | Residential real estate: | Residential mortgage
Financing Receivable, Past Due [Line Items]
Total past due		4,541
60-89 days | Residential real estate: | Residential construction
Financing Receivable, Past Due [Line Items]
Total past due		1,334
60-89 days | Consumer
Financing Receivable, Past Due [Line Items]
Total past due		1,517
> 90 days
Financing Receivable, Past Due [Line Items]
Total past due		0
> 90 days | Commercial real estate: | Commercial investor real estate
Financing Receivable, Past Due [Line Items]
Total past due		0
> 90 days | Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Past Due [Line Items]
Total past due		0
> 90 days | Commercial real estate: | Commercial AD&C
Financing Receivable, Past Due [Line Items]
Total past due		0
> 90 days | Commercial Business | Commercial business
Financing Receivable, Past Due [Line Items]
Total past due		0
> 90 days | Residential real estate: | Residential mortgage
Financing Receivable, Past Due [Line Items]
Total past due		0
> 90 days | Residential real estate: | Residential construction
Financing Receivable, Past Due [Line Items]
Total past due		0
> 90 days | Consumer
Financing Receivable, Past Due [Line Items]
Total past due		$ 0

XML

CREDIT QUALITY ASSESSMENT (Credit Risk Rating Indicators for Each Segment of Commercial Loan Portfolio) (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 10,333,935	$ 6,705,232
Commercial Loan
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		4,942,862
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		4,892,398
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		7,960
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		42,504
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Commercial real estate: | Commercial investor real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	3,588,702	2,169,156
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,652,208	1,288,677
Commercial real estate: | Commercial AD&C
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	994,800	684,010
Commercial real estate: | Pass | Commercial investor real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		2,146,971
Commercial real estate: | Pass | Commercial owner-occupied real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		1,278,337
Commercial real estate: | Pass | Commercial AD&C
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		683,181
Commercial real estate: | Special Mention | Commercial investor real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		3,189
Commercial real estate: | Special Mention | Commercial owner-occupied real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		2,284
Commercial real estate: | Special Mention | Commercial AD&C
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Commercial real estate: | Substandard | Commercial investor real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		18,996
Commercial real estate: | Substandard | Commercial owner-occupied real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		8,056
Commercial real estate: | Substandard | Commercial AD&C
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		829
Commercial real estate: | Doubtful | Commercial investor real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Commercial real estate: | Doubtful | Commercial owner-occupied real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Commercial real estate: | Doubtful | Commercial AD&C
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Commercial Business
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	8,462,956	4,942,862
Commercial Business | Commercial business
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 2,227,246	801,019
Commercial Business | Pass | Commercial business
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		783,909
Commercial Business | Special Mention | Commercial business
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		2,487
Commercial Business | Substandard | Commercial business
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		14,623
Commercial Business | Doubtful | Commercial business
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		$ 0

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CREDIT QUALITY ASSESSMENT (Information by Credit Risk Rating Indicators for Those Remaining Segments of Loan Portfolio) (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases	$ 10,333,935	$ 6,705,232
Residential real estate: | Residential mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases	1,173,857	1,149,327
Residential real estate: | Residential construction
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases	175,123	146,279
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases	$ 521,999	466,764
Homogeneous Loan Pools
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		1,762,370
Homogeneous Loan Pools | Residential real estate: | Residential mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		1,149,327
Homogeneous Loan Pools | Residential real estate: | Residential construction
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		146,279
Homogeneous Loan Pools | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		466,764
Homogeneous Loan Pools | Performing loans:
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		1,744,158
Homogeneous Loan Pools | Performing loans: | Residential real estate: | Residential mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		1,135,586
Homogeneous Loan Pools | Performing loans: | Residential real estate: | Residential construction
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		146,279
Homogeneous Loan Pools | Performing loans: | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		462,293
Homogeneous Loan Pools | Non-performing loans: | 90 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		0
Homogeneous Loan Pools | Non-performing loans: | Non-accruing
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		16,768
Homogeneous Loan Pools | Non-performing loans: | Restructured Loans | Restructured loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		1,444
Homogeneous Loan Pools | Non-performing loans: | Residential real estate: | Residential mortgage | 90 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		0
Homogeneous Loan Pools | Non-performing loans: | Residential real estate: | Residential mortgage | Non-accruing
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		12,661
Homogeneous Loan Pools | Non-performing loans: | Residential real estate: | Residential mortgage | Restructured Loans | Restructured loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		1,080
Homogeneous Loan Pools | Non-performing loans: | Residential real estate: | Residential construction | 90 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		0
Homogeneous Loan Pools | Non-performing loans: | Residential real estate: | Residential construction | Non-accruing
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		0
Homogeneous Loan Pools | Non-performing loans: | Residential real estate: | Residential construction | Restructured Loans | Restructured loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		0
Homogeneous Loan Pools | Non-performing loans: | Consumer | 90 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		0
Homogeneous Loan Pools | Non-performing loans: | Consumer | Non-accruing
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		4,107
Homogeneous Loan Pools | Non-performing loans: | Consumer | Restructured Loans | Restructured loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans and leases		$ 364

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CREDIT QUALITY ASSESSMENT (Restructured Loans at the date of Restructuring For Specific Segments of the Loan Portfolio) (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	$ 2,783	$ 2,359
Specific allowance	935	401
Restructured and subsequently defaulted	0	0
All Other Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0	364
Specific allowance	0	0
Restructured and subsequently defaulted	0	0
Troubled debt restructurings:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Restructured accruing	322	1,309
Restructured non-accruing	2,461	1,050
Troubled debt restructurings: | All Other Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Restructured accruing	0	364
Restructured non-accruing	0	0
Commercial real estate: | Commercial investor real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	723	1,564
Specific allowance	49	205
Restructured and subsequently defaulted	0	0
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	930	0
Specific allowance	19	0
Restructured and subsequently defaulted	0	0
Commercial real estate: | Commercial AD&C
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	0	0
Specific allowance	0	0
Restructured and subsequently defaulted	0	0
Commercial real estate: | Troubled debt restructurings: | Commercial investor real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Restructured accruing	0	775
Restructured non-accruing	723	789
Commercial real estate: | Troubled debt restructurings: | Commercial owner-occupied real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Restructured accruing	0	0
Restructured non-accruing	930	0
Commercial real estate: | Troubled debt restructurings: | Commercial AD&C
Financing Receivable, Troubled Debt Restructuring [Line Items]
Restructured accruing	0	0
Restructured non-accruing	0	0
Commercial Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Balance	1,130	431
Specific allowance	867	196
Restructured and subsequently defaulted	0	0
Commercial Business | Troubled debt restructurings:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Restructured accruing	322	170
Restructured non-accruing	$ 808	$ 261

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GOODWILL AND OTHER INTANGIBLE ASSETS - Gross Carrying Amounts and Accumulated Amortization (Details) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
	Apr. 01, 2020	Sep. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 42,944	$ 12,156
Accumulated Amortization		(8,769)	(4,315)
Net Carrying Amount		34,175	7,841
Goodwill		370,549	347,149
Goodwill		370,549	347,149
Core deposit intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		29,038	10,678
Accumulated Amortization		(6,841)	(3,689)
Net Carrying Amount		$ 22,197	$ 6,989
Weighted Average Remaining Life		8 years 8 months 12 days	8 years
Core deposit intangibles | Revere acquisition
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life	9 years 8 months 1 day
Intangible asset acquired	$ 18,400
Other identifiable intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 13,906	$ 1,478
Accumulated Amortization		(1,928)	(626)
Net Carrying Amount		$ 11,978	$ 852
Weighted Average Remaining Life		10 years 10 months 24 days	9 years 8 months 12 days

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GOODWILL AND OTHER INTANGIBLE ASSETS (Net Carrying Amount of Goodwill By Segment) (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 347,149
Ending balance	370,549
Acquisition of Rembert Pendleton Jackson
Goodwill [Roll Forward]
Acquisitions	22,559
Acquisition of Revere Bank
Goodwill [Roll Forward]
Acquisitions	841
Community Banking
Goodwill [Roll Forward]
Beginning balance	331,173
Ending balance	332,014
Community Banking | Acquisition of Rembert Pendleton Jackson
Goodwill [Roll Forward]
Acquisitions	0
Community Banking | Acquisition of Revere Bank
Goodwill [Roll Forward]
Acquisitions	841
Insurance
Goodwill [Roll Forward]
Beginning balance	6,788
Ending balance	6,788
Insurance | Acquisition of Rembert Pendleton Jackson
Goodwill [Roll Forward]
Acquisitions	0
Insurance | Acquisition of Revere Bank
Goodwill [Roll Forward]
Acquisitions	0
Investment Management
Goodwill [Roll Forward]
Beginning balance	9,188
Ending balance	31,747
Investment Management | Acquisition of Rembert Pendleton Jackson
Goodwill [Roll Forward]
Acquisitions	22,559
Investment Management | Acquisition of Revere Bank
Goodwill [Roll Forward]
Acquisitions	$ 0

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GOODWILL AND OTHER INTANGIBLE ASSETS (Estimated Future Amortization Expense for Amortizing Intangibles) (Detail) $ in Thousands	Sep. 30, 2019 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2020	$ 1,654
2021	6,600
2022	5,845
2023	5,089
2024	4,333
Thereafter	10,654
Total amortizing intangible assets	$ 34,175

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DEPOSITS - Composition of Deposits (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Deposits [Abstract]
Noninterest-bearing deposits	$ 3,458,804	$ 1,892,052
Interest-bearing deposits:
Demand	1,137,000	836,433
Money market savings	3,104,600	1,839,593
Regular savings	396,280	329,919
Time deposits of less than $100,000	545,903	463,431
Time deposits of $100,000 or more	1,322,382	1,078,891
Total interest-bearing deposits	6,506,165	4,548,267
Total deposits	$ 9,964,969	$ 6,440,319

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DEPOSITS - Narrative (Details) - USD ($) $ in Millions	Apr. 01, 2020	Sep. 30, 2020
Deposits [Abstract]
Deposits liabilities upon acquisition	$ 2,300.0
Certificates of deposit	752.4
Fair value premium adjustment	$ 14.7	$ 9.8
Deposit premium amortization period	5 years

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BORROWINGS - Narrative (Detail) - USD ($)				3 Months Ended			9 Months Ended
	Nov. 15, 2024	Oct. 01, 2021	Oct. 05, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Nov. 05, 2019
Debt Instrument [Line Items]
Subordinated debt				$ 230,300,000			$ 230,300,000		$ 209,406,000
Repayments of subordinated debt							10,310,000	$ 0
Long-term debt				1,137,216,000			1,137,216,000		936,788,000
FHLB advances				444,200,000			444,200,000		513,800,000
Federal Home Loan Bank Advances
Debt Instrument [Line Items]
Maximum borrowing capacity				2,300,000,000			2,300,000,000		2,400,000,000
Line of credit				444,200,000			444,200,000		513,800,000
Loans pledged as collateral									1,000,000,000.0
Federal Home Loan Bank Advances | Residential mortgage
Debt Instrument [Line Items]
Loans pledged as collateral				1,000,000,000.0			1,000,000,000.0
Federal Home Loan Bank Advances | Commercial real estate loans
Debt Instrument [Line Items]
Loans pledged as collateral				2,700,000,000			2,700,000,000		1,900,000,000
Federal Home Loan Bank Advances | Home equity lines of credit
Debt Instrument [Line Items]
Loans pledged as collateral				227,000,000.0			227,000,000.0		266,800,000
Federal Home Loan Bank Advances | Multifamily loans
Debt Instrument [Line Items]
Loans pledged as collateral				235,700,000			235,700,000		109,700,000
Federal Reserve and correspondent banks
Debt Instrument [Line Items]
Maximum borrowing capacity				366,500,000			366,500,000		463,300,000
Unsecured lines of credit, correspondent banks
Debt Instrument [Line Items]
Maximum borrowing capacity				780,000,000.0			780,000,000.0		730,000,000.0
Revere acquisition
Debt Instrument [Line Items]
FHLB advances				168,400,000			168,400,000
Fair value of debt premium				5,800,000			5,800,000
Extinguishment of debt					$ 115,400,000
Debt prepayment cost					5,900,000
Remaining unamortized fair value premium					5,800,000
FHLB advances acquisition date fully matured during the period					$ 53,000,000.0
Subordinated Debt
Debt Instrument [Line Items]
Subordinated debt				$ 230,300,000			$ 230,300,000		199,009,000
Interest rate				4.25%			4.25%
Purchase accounting premium				$ 1,954,000			$ 1,954,000		1,894,000
Subordinated Debt | Fixed Floating Rate Subordinated Notes
Debt Instrument [Line Items]
Subordinated debt										$ 175,000,000.0
Interest rate										4.25%
Unamortized discount (premium) and debt issuance costs, net				2,900,000			2,900,000
Subordinated Debt | London Interbank Offered Rate (LIBOR) | Subsequent Event | Forecast | Fixed Floating Rate Subordinated Notes
Debt Instrument [Line Items]
Basis spread on variable rate	2.62%
Subordinated Debt | WashingtonFirst Bankshares Inc
Debt Instrument [Line Items]
Subordinated debt				$ 25,000,000.0			$ 25,000,000.0
Interest rate				6.00%			6.00%
Purchase accounting premium				$ 2,200,000			$ 2,200,000
Subordinated Debt | WashingtonFirst Bankshares Inc | London Interbank Offered Rate (LIBOR) | Subsequent Event | Forecast
Debt Instrument [Line Items]
Basis spread on variable rate			4.67%
Subordinated Debt | Revere acquisition
Debt Instrument [Line Items]
Subordinated debt				$ 31,000,000.0			$ 31,000,000.0
Interest rate				5.625%			5.625%
Purchase accounting premium				$ 200,000			$ 200,000
Subordinated Debt | Revere acquisition | Subsequent Event | Forecast
Debt Instrument [Line Items]
Basis spread on variable rate		4.41%
Retail Repurchase Agreements
Debt Instrument [Line Items]
Long-term debt				142,300,000			142,300,000		138,600,000
Federal Funds Purchased
Debt Instrument [Line Items]
Long-term debt				70,000,000.0			70,000,000.0		75,000,000.0
Federal funds under the PPPLF program
Debt Instrument [Line Items]
Long-term debt				250,400,000			250,400,000
Remaining borrowing capacity				837,700,000			837,700,000
Borrowings repaid				594,600,000
Junior Subordinated Debt
Debt Instrument [Line Items]
Subordinated debt				0			0		10,397,000
Purchase accounting premium				0			0		$ 87,000
Junior Subordinated Debt | WashingtonFirst Bankshares Inc
Debt Instrument [Line Items]
Subordinated debt				10,300,000			10,300,000
Purchase accounting premium				$ 100,000			$ 100,000
Repayments of subordinated debt						$ 10,300,000

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BORROWINGS - Schedule of Subordinated Borrowing (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Subordinated Borrowing [Line Items]
Subordinated debt	$ 230,300	$ 209,406
Subordinated Debt
Subordinated Borrowing [Line Items]
Subordinated debt, gross	231,000	200,000
Subordinated debt	230,300	199,009
Purchase accounting premium	1,954	1,894
Debt Issuance Costs, Gross	$ (2,654)	(2,885)
Interest rate	4.25%
Subordinated Debt | Fixed Floating
Subordinated Borrowing [Line Items]
Subordinated debt, gross	$ 175,000	175,000
Subordinated Debt | WashingtonFirst Bankshares Inc
Subordinated Borrowing [Line Items]
Subordinated debt, gross	25,000	25,000
Subordinated debt	25,000
Purchase accounting premium	$ 2,200
Interest rate	6.00%
Subordinated Debt | Revere acquisition
Subordinated Borrowing [Line Items]
Subordinated debt, gross	$ 31,000	0
Subordinated debt	31,000
Purchase accounting premium	$ 200
Interest rate	5.625%
Junior Subordinated Debt
Subordinated Borrowing [Line Items]
Subordinated debt, gross	$ 0	10,310
Subordinated debt	0	10,397
Purchase accounting premium	0	$ 87
Junior Subordinated Debt | WashingtonFirst Bankshares Inc
Subordinated Borrowing [Line Items]
Subordinated debt	10,300
Purchase accounting premium	$ 100

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STOCKHOLDERS' EQUITY - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended	22 Months Ended
	Apr. 01, 2020	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2020
Equity [Line Items]
Number of shares authorized to be repurchased (in shares)		1,800,000	1,800,000	1,800,000
Stock repurchased (in shares)		0
Common stock repurchased, average price (in dollars per share)			$ 31.33
Stock repurchased and retired (in shares)			820,328	1,488,519
Stock repurchased and retired			$ 25,702	$ 50,000
Stock issued during period (in shares)	12,768,949		12,768,949
Revere acquisition
Equity [Line Items]
Stock issued during period (in shares)	12,768,949
Common stock price (in dollars per share)	$ 22.64

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SHARE BASED COMPENSATION - Narrative (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	May 06, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options issued (in shares)			395,298
Revere acquisition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options issued (in shares)			395,298
Weighted average grant date fair value (in dollars per share)			$ 9.14
2015 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)					1,500,000
Shares available for issuance (in shares)	908,499		908,499
Expiration period			10 years
Award vesting rights, percentage			100.00%
2015 Omnibus Incentive Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise period			7 years
2015 Omnibus Incentive Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise period			10 years
2015 Omnibus Incentive Plan | Stock Options and Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense	$ 1.0	$ 0.7	$ 2.8	$ 2.1
2015 Omnibus Incentive Plan | Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of shares vested			$ 0.1	$ 0.2
Granted (in shares)	0		0
2015 Omnibus Incentive Plan | Restricted shares, Restricted stock units and Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 9.1		$ 9.1
Expected cost recognition weighted average period			2 years 9 months 18 days
Shares issued (in shares)			246,015
2015 Omnibus Incentive Plan | Performance Shares | 3 Year Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)			44,905
2015 Omnibus Incentive Plan | Time Based Shares | 3 or 5 Year Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)			201,110

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SHARE BASED COMPENSATION - Summary of Share Option Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Number of Common Shares
Beginning balance (in shares)			65,279
Granted (in shares)			0
Converted options from Revere acquisition (in shares)			395,298
Exercised (in shares)	(1,575)	(1,325)	(10,213)	(12,222)
Forfeited (in shares)			(765)
Expired (in shares)			(703)
Ending balance (in shares)	448,896		448,896
Exercisable at end of period (in shares)	444,132		444,132
Weighted Average Exercise Share Price
Beginning balance (in dollars per share)			$ 31.34
Granted (in dollars per share)			0
Converted options from Revere acquisition (in dollars per share)			12.27
Exercised (in dollars per share)			16.07
Forfeited (in dollars per share)			39.02
Expired (in dollars per share)			28.26
Ending balance (in dollars per share)	$ 14.89		14.89
Exercisable at end of period (in dollars per share)	$ 14.64		$ 14.64
Weighted Average Contractual Remaining Life (Years)
Balance at end of period			3 years 1 month 6 days
Exercisable at end of period			3 years 1 month 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract]
Beginning balance			$ 485
Exercised			123
Ending balance	$ 4,383		4,383
Exercisable at end of period	$ 4,383		$ 4,383

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SHARE BASED COMPENSATION - Summary of Activity Restricted Stock (Detail) - Restricted Stock	9 Months Ended
	Sep. 30, 2020 $ / shares shares
Number of Common Shares/Units
Nonvested beginning balance (in shares) | shares	226,502
Granted (in shares) | shares	246,015
Vested (in shares) | shares	(66,533)
Forfeited (in shares) | shares	(9,363)
Nonvested ending balance (in shares) | shares	396,621
Weighted Average Grant-Date Fair Value
Nonvested beginning balance (in dollars per share) | $ / shares	$ 35.43
Granted (in dollars per share) | $ / shares	25.82
Vested (in dollars per share) | $ / shares	34.38
Forfeited (in dollars per share) | $ / shares	43.71
Nonvested ending balance (in dollars per share) | $ / shares	$ 29.45

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PENSION PLAN (Net Periodic Benefit Cost) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Retirement Benefits [Abstract]
Interest cost on projected benefit obligation	$ 359	$ 403	$ 1,078	$ 1,207
Expected return on plan assets	(456)	(412)	(1,368)	(1,236)
Recognized net actuarial loss	219	264	656	794
Net periodic benefit cost	$ 122	$ 255	$ 366	$ 765

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NET INCOME/ (LOSS) PER COMMON SHARE (Calculation of Net Income per Common Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 44,642	$ 29,383	$ 40,291	$ 87,976
Distributed and undistributed earnings allocated to participating securities	373	186	317	570
Net income attributable to common shareholders	$ 44,269	$ 29,197	$ 39,974	$ 87,406
Total weighted average outstanding shares (in shares)	47,415,000	35,850,000	43,261,000	35,829,000
Less: weighted average participating securities (in shares)	397,000	228,000	355,000	237,000
Basic weighted average common shares (in shares)	47,018,000	35,622,000	42,906,000	35,592,000
Dilutive weighted average common stock equivalents (in shares)	157,000	50,000	165,000	50,000
Diluted weighted average common shares (in shares)	47,175,000	35,672,000	43,071,000	35,642,000
Basic net income per common share (in dollars per share)	$ 0.94	$ 0.82	$ 0.93	$ 2.46
Diluted net income per common share (in dollars per share)	$ 0.94	$ 0.82	$ 0.93	$ 2.45
Anti-dilutive shares (in shares)	37,000	8,000	22,000	10,000

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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Net Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			$ (4,332)
Other comprehensive income before reclassification, net of tax			21,650	$ 12,475
Reclassifications from accumulated other comprehensive income, net of tax			175	571
Total other comprehensive income	$ 2,669	$ 857	21,825	13,046
Ending Balance	17,493		17,493
Unrealized Gains on Investments Available-for-Sale
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			4,000	(6,630)
Other comprehensive income before reclassification, net of tax			21,650	12,475
Reclassifications from accumulated other comprehensive income, net of tax			(322)	(15)
Total other comprehensive income			21,328	12,460
Ending Balance	25,328	5,830	25,328	5,830
Defined Benefit Pension Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			(8,332)	(9,124)
Other comprehensive income before reclassification, net of tax			0	0
Reclassifications from accumulated other comprehensive income, net of tax			497	586
Total other comprehensive income			497	586
Ending Balance	(7,835)	(8,538)	(7,835)	(8,538)
Total
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			(4,332)	(15,754)
Total other comprehensive income	2,669	857	21,825	13,046
Ending Balance	$ 17,493	$ (2,708)	$ 17,493	$ (2,708)

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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Reclassification Adjustments Out of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Unrealized gains/(losses) on investments available-for-sale Affected line item in the Statements of Income:
Investment securities gains			$ 432	$ 20
Income before taxes	$ 51	$ 15	432	20
Tax expense	$ (13)	$ (4)	(110)	(5)
Net income			322	15
Amortization of defined benefit pension plan items Affected line item in the Statements of Income:
Recognized actuarial loss			(656)	(794)
Loss before taxes			(656)	(794)
Tax benefit			159	208
Net loss			$ (497)	$ (586)

XML

LEASES - Narrative (Details) $ in Thousands		3 Months Ended			9 Months Ended
	Apr. 01, 2020 USD ($) location operating-lease	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($) location	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Right-of-use asset obtained in exchange for operating lease liability		$ 0		$ 0	$ 0	$ 0
Lease Liability		77,506			77,506		$ 76,871
Operating lease ROU assets		$ 67,554			$ 67,554		$ 69,320
Minimum
Lessee, Lease, Description [Line Items]
Renewal term		1 year			1 year
Maximum
Lessee, Lease, Description [Line Items]
Renewal term		20 years			20 years
Revere acquisition
Lessee, Lease, Description [Line Items]
Right-of-use asset obtained in exchange for operating lease liability	$ 7,400	$ 0		$ 0	$ 7,720	$ 0
Number of operating leases | operating-lease	15
Number of locations operating leases | location	12
Lease Liability	$ 8,700
Acquisition related unfavorable fair value marks	1,100
Tenant allowance	200
Expense related to lease termination	$ 2,300
Acquisition of Rembert Pendleton Jackson
Lessee, Lease, Description [Line Items]
Number of locations acquired | location			2
Right-of-use asset obtained in exchange for operating lease liability			$ 300
Lease operation commence in 2021
Lessee, Lease, Description [Line Items]
Lease Liability		2,100			2,100
Acquisition related unfavorable fair value marks		500			500
Tenant allowance		200			200
Operating lease ROU assets		$ 1,400			$ 1,400

XML

LEASES - Lease Cost (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Apr. 01, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Components of lease expense:
Operating lease cost (resulting from lease payments)		$ 3,154	$ 2,912	$ 9,281	$ 8,605
Acquisitions		$ 0	0	$ 0	0
Weighted average remaining lease term of operating leases		9 years 7 months 6 days		9 years 7 months 6 days		10 years 4 months 24 days
Weighted average discount rate of operating leases		3.10%		3.10%		3.28%
Supplemental cash flow information related to leases:
Operating cash flows from operating leases		$ 4,158	2,349	$ 10,160	6,653
Operating lease ROU assets		67,554		67,554		$ 69,320
Lease Liability		77,506		77,506		$ 76,871
Revere acquisition
Components of lease expense:
Acquisitions	$ 7,400	$ 0	$ 0	$ 7,720	$ 0
Supplemental cash flow information related to leases:
Lease Liability	$ 8,700

XML

LEASES - Maturities of operating lease liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Remaining for 2020	$ 3,280
2021	12,634
2022	11,029
2023	10,882
2024	9,064
Thereafter	44,407
Total undiscounted lease payments	91,296
Less: Present value discount	(13,790)
Lease Liability	$ 77,506	$ 76,871

XML

DERIVATIVES - Narrative (Detail) - Commercial Loan - Not Designated as Hedging Instrument - Interest rate swap agreements - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Notional amount	$ 240.1	$ 204.7
Estimated fair value	$ 10.2	$ 2.5

XML

FAIR VALUE (Financial Assets and Liabilities at Dates Indicated that Were Accounted for or Disclosed at Fair Value) (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	$ 1,357,205	$ 1,073,333
Residential mortgage loans held for sale (at fair value)	88,728	53,701
Residential Mortgage Loans Held For Sale
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential mortgage loans held for sale (at fair value)	85,800	52,600
U.S. treasuries and government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	139,405	258,495
State and municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	352,987	233,649
Mortgage-backed and asset-backed
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	852,314	570,759
Corporate debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	12,499	9,552
Trust preferred
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	310
Debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	1,357,205	1,072,765
Marketable equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	568
Fair Value, Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	1,357,205	1,073,333
Total assets	1,456,156	1,129,541
Total liabilities	(10,223)	(2,507)
Fair Value, Recurring | Residential Mortgage Loans Held For Sale
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential mortgage loans held for sale	88,728	53,701
Fair Value, Recurring | U.S. treasuries and government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	139,405	258,495
Fair Value, Recurring | State and municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	352,987	233,649
Fair Value, Recurring | Mortgage-backed and asset-backed
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	852,314	570,759
Fair Value, Recurring | Corporate debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	12,499	9,552
Fair Value, Recurring | Trust preferred
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		310
Fair Value, Recurring | Debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		1,072,765
Fair Value, Recurring | Marketable equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		568
Fair Value, Recurring | Interest rate swap agreements
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swap agreements	10,223	2,507
Interest rate swap agreements	(10,223)	(2,507)
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	0
Total assets	0	0
Total liabilities	0	0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential Mortgage Loans Held For Sale
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential mortgage loans held for sale	0	0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. treasuries and government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | State and municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed and asset-backed
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Trust preferred
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Marketable equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate swap agreements
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swap agreements	0	0
Interest rate swap agreements	0	0
Fair Value, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	1,344,706	1,063,471
Total assets	1,443,657	1,119,679
Total liabilities	(10,223)	(2,507)
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Residential Mortgage Loans Held For Sale
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential mortgage loans held for sale	88,728	53,701
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | U.S. treasuries and government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	139,405	258,495
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | State and municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	352,987	233,649
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Mortgage-backed and asset-backed
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	852,314	570,759
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Corporate debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	0
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Trust preferred
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		0
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		1,062,903
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Marketable equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		568
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Interest rate swap agreements
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swap agreements	10,223	2,507
Interest rate swap agreements	(10,223)	(2,507)
Fair Value, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	12,499	9,862
Total assets	12,499	9,862
Total liabilities	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Residential Mortgage Loans Held For Sale
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential mortgage loans held for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | U.S. treasuries and government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | State and municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Mortgage-backed and asset-backed
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Corporate debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)	12,499	9,552
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Trust preferred
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		310
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		9,862
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Marketable equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments available-for-sale (at fair value)		0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Interest rate swap agreements
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swap agreements	0	0
Interest rate swap agreements	$ 0	$ 0

XML

FAIR VALUE (Change in the fair value of assets measured in the Condensed Consolidated Statements) (Detail) - Fair Value, Inputs, Level 3 - Investments available-for-sale: $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 9,862
Additions of Level 3 assets	3,050
Sales of Level 3 assets	(349)
Total unrealized loss included in other comprehensive income/ (loss)	(64)
Ending balance	$ 12,499

XML

FAIR VALUE (Assets Measured at Fair Value on Nonrecurring Basis) (Detail) - Fair Value, Nonrecurring - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	$ 15,996	$ 8,368
Total Losses	(11,608)	(6,580)
Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	14,325	6,886
Total Losses	(11,326)	(6,299)
Other real estate owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	1,671	1,482
Total Losses	(282)	(281)
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other real estate owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	0	0
Significant Other Observable Inputs (Level 2) | Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	0	0
Significant Other Observable Inputs (Level 2) | Other real estate owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	0	0
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	15,996	8,368
Fair Value, Inputs, Level 3 | Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	14,325	6,886
Fair Value, Inputs, Level 3 | Other real estate owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure, nonrecurring	$ 1,671	$ 1,482

XML

FAIR VALUE - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Fair Value Disclosures [Abstract]
Balance of loans individually evaluated for credit loss	$ 56,122	$ 24,773
Loans receivable, fair value	47,800	19,300
Allowance related to loans evaluated individually	$ 8,263	5,501
Total impaired loans:		$ 24,773

XML

FAIR VALUE (Carrying Amounts and Fair Values of Company's Financial Instruments) (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financial assets:
Residential mortgage loans held for sale (at fair value)	$ 88,728	$ 53,701
Investments available-for-sale (at fair value)	1,357,205	1,073,333
Loans, net of allowance	10,163,621	6,649,100
Accrued interest receivable	48,176	23,282
Financial liabilities:
Other deposits	9,964,969	6,440,319
Securities sold under retail repurchase agreements and federal funds purchased	462,706	213,605
Advances from FHLB	444,210	513,777
Subordinated debt	230,300	209,406
Carrying Amount
Financial assets:
Cash and cash equivalents	224,883	146,103
Residential mortgage loans held for sale (at fair value)	88,728	53,701
Investments available-for-sale (at fair value)	1,357,205	1,073,333
Equity securities	68,528	51,803
Loans, net of allowance	10,163,621	6,649,100
Interest rate swap agreements	10,223	2,507
Accrued interest receivable	48,176	23,282
Bank owned life insurance	126,182	113,171
Financial liabilities:
Time Deposits	1,868,285	1,542,322
Other deposits	8,096,684	4,897,997
Securities sold under retail repurchase agreements and federal funds purchased	462,706	213,605
Advances from FHLB	444,210	513,777
Subordinated debt	230,300	209,406
Interest rate swap agreements	10,223	2,507
Accrued interest payable	6,822	4,194
Estimated Fair Value
Financial assets:
Cash and cash equivalents	224,883	146,103
Residential mortgage loans held for sale (at fair value)	88,728	53,701
Investments available-for-sale (at fair value)	1,357,205	1,073,333
Equity securities	68,528	51,803
Loans, net of allowance	10,332,039	6,628,054
Interest rate swap agreements	10,223	2,507
Accrued interest receivable	48,176	23,282
Bank owned life insurance	126,182	113,171
Financial liabilities:
Time Deposits	1,889,807	1,547,116
Other deposits	8,096,684	4,897,997
Securities sold under retail repurchase agreements and federal funds purchased	462,889	213,605
Advances from FHLB	457,875	520,729
Subordinated debt	234,808	200,864
Interest rate swap agreements	10,223	2,507
Accrued interest payable	6,822	4,194
Quoted Prices in Active Markets for Identical Assets (Level 1) | Estimated Fair Value
Financial assets:
Cash and cash equivalents	224,883	146,103
Residential mortgage loans held for sale (at fair value)	0	0
Investments available-for-sale (at fair value)	0	0
Equity securities	68,528	51,803
Loans, net of allowance	0	0
Interest rate swap agreements	0	0
Accrued interest receivable	48,176	23,282
Bank owned life insurance	0	0
Financial liabilities:
Time Deposits	0	0
Other deposits	8,096,684	4,897,997
Securities sold under retail repurchase agreements and federal funds purchased	0	0
Advances from FHLB	0	0
Subordinated debt	0	0
Interest rate swap agreements	0	0
Accrued interest payable	6,822	4,194
Significant Other Observable Inputs (Level 2) | Estimated Fair Value
Financial assets:
Cash and cash equivalents	0	0
Residential mortgage loans held for sale (at fair value)	88,728	53,701
Investments available-for-sale (at fair value)	1,344,706	1,063,471
Equity securities	0	0
Loans, net of allowance	0	0
Interest rate swap agreements	10,223	2,507
Accrued interest receivable	0	0
Bank owned life insurance	126,182	113,171
Financial liabilities:
Time Deposits	1,889,807	1,547,116
Other deposits	0	0
Securities sold under retail repurchase agreements and federal funds purchased	462,889	213,605
Advances from FHLB	457,875	520,729
Subordinated debt	0	0
Interest rate swap agreements	10,223	2,507
Accrued interest payable	0	0
Significant Unobservable Inputs (Level 3) | Estimated Fair Value
Financial assets:
Cash and cash equivalents	0	0
Residential mortgage loans held for sale (at fair value)	0	0
Investments available-for-sale (at fair value)	12,499	9,862
Equity securities	0	0
Loans, net of allowance	10,332,039	6,628,054
Interest rate swap agreements	0	0
Accrued interest receivable	0	0
Bank owned life insurance	0	0
Financial liabilities:
Time Deposits	0	0
Other deposits	0	0
Securities sold under retail repurchase agreements and federal funds purchased	0	0
Advances from FHLB	0	0
Subordinated debt	234,808	200,864
Interest rate swap agreements	0	0
Accrued interest payable	$ 0	$ 0

XML

SEGMENT REPORTING - Narrative (Detail) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) segment	Sep. 30, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment			3
Amortization of Intangible Assets	$ 1,968	$ 491	$ 4,566	$ 1,465
Community Banking
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	1,400	$ 400	3,200	$ 1,300
Investment Management
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	500		1,400
Investment Management | West Financial and RPJ
Segment Reporting Information [Line Items]
Assets under management	$ 3,100,000		$ 3,100,000

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SEGMENT REPORTING (Operating Segments and Reconciliation of Information to Condensed Consolidated Financial Statements) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Interest income	$ 112,984	$ 87,082	$ 311,769	$ 262,479
Interest expense	15,500	20,292	48,437	62,754
Provision for credit losses	7,003	1,524	90,158	3,029	$ 4,684
Non-interest income	29,390	18,573	70,482	52,098
Non-interest expense	60,937	44,925	194,121	133,004
Income before income taxes	58,934	38,914	49,535	115,790
Income tax expense	14,292	9,531	9,244	27,814
Net income	44,642	29,383	40,291	87,976
Assets	12,678,131	8,437,538	12,678,131	8,437,538	$ 8,629,002
Inter-Segment Elimination
Segment Reporting Information [Line Items]
Interest income	(3)	(3)	(10)	(10)
Interest expense	(3)	(3)	(10)	(10)
Provision for credit losses	0	0	0	0
Non-interest income	(221)	(168)	(645)	(501)
Non-interest expense	(221)	(168)	(645)	(501)
Income before income taxes	0	0	0	0
Income tax expense	0	0	0	0
Net income	0	0	0	0
Assets	(68,642)	(33,698)	(68,642)	(33,698)
Community Banking | Operating Segments
Segment Reporting Information [Line Items]
Interest income	112,985	87,068	311,771	262,465
Interest expense	15,503	20,295	48,447	62,764
Provision for credit losses	7,003	1,524	90,158	3,029
Non-interest income	24,746	14,080	57,976	39,643
Non-interest expense	57,856	41,806	184,921	123,876
Income before income taxes	57,369	37,523	46,221	112,439
Income tax expense	13,912	9,162	8,396	26,924
Net income	43,457	28,361	37,825	85,515
Assets	12,678,396	8,437,588	12,678,396	8,437,588
Insurance | Operating Segments
Segment Reporting Information [Line Items]
Interest income	1	13	5	15
Interest expense	0	0	0	0
Provision for credit losses	0	0	0	0
Non-interest income	2,119	2,123	5,446	5,296
Non-interest expense	1,580	1,635	4,319	4,359
Income before income taxes	540	501	1,132	952
Income tax expense	149	138	313	265
Net income	391	363	819	687
Assets	11,289	11,615	11,289	11,615
Investment Management | Operating Segments
Segment Reporting Information [Line Items]
Interest income	1	4	3	9
Interest expense	0	0	0	0
Provision for credit losses	0	0	0	0
Non-interest income	2,746	2,538	7,705	7,660
Non-interest expense	1,722	1,652	5,526	5,270
Income before income taxes	1,025	890	2,182	2,399
Income tax expense	231	231	535	625
Net income	794	659	1,647	1,774
Assets	$ 57,088	$ 22,033	$ 57,088	$ 22,033