Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 125,103,000	$ 114,686,000
Interest-earning deposits with banks	1,142,934,000	36,288,000
Securities
Trading	2,612,000	2,179,000
Equity Securities, FV-NI	21,119,000	21,261,000
Debt Securities, Available-for-sale	423,478,000	426,424,000
Held to maturity (fair value $690,467 and $753,263)	659,573,000	740,806,000
Total securities	1,106,782,000	1,190,670,000
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group	54,713,000	33,307,000
Loans
Total loans	9,405,193,000	8,873,639,000
Less: allowance for credit losses	(115,625,000)	(67,740,000)
Net loans	9,289,568,000	8,805,899,000
Federal Home Loan Bank stock	15,090,000	14,424,000
Bank premises and equipment, net	121,816,000	123,674,000
Goodwill	506,206,000	506,206,000
Other intangible assets	24,543,000	29,286,000
Cash surrender value of life insurance policies	199,453,000	197,372,000
Other assets	587,457,000	343,353,000
Total assets	13,173,665,000	11,395,165,000
Deposits
Noninterest-bearing demand deposits	3,715,528,000	2,662,591,000
Savings and interest checking accounts	3,912,703,000	3,232,909,000
Money market	2,164,436,000	1,856,552,000
Time certificates of deposit of $100,000 and over	570,068,000	663,645,000
Other time certificates of deposits	488,573,000	731,670,000
Total deposits	10,851,308,000	9,147,367,000
Borrowings
Federal Home Loan Bank borrowings	145,765,000	115,748,000
Long-term Debt	37,447,000	74,906,000
Junior Subordinated Notes	62,850,000	62,848,000
Subordinated debentures (less unamortized debt issuance costs of $328 and $399)	49,672,000	49,601,000
Total borrowings	295,734,000	303,103,000
Other liabilities	336,899,000	236,552,000
Total liabilities	11,483,941,000	9,687,022,000
Commitments and contingencies	$ 0	$ 0
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Shares Authorized	$ 0.01	$ 0.01
Stockholders' equity
Preferred stock, $0.01 par value, authorized: 1,000,000 shares, outstanding: none	$ 0	$ 0
Common stock, $0.01 par value, authorized: 75,000,000 shares, issued and outstanding: 32,955,547 shares at September 30, 2020 and 34,377,388 shares at December 31, 2019 (includes 137,457 and 147,184 shares of unvested participating restricted stock awards, respectively)	328,000	342,000
Value of shares held in rabbi trust at cost: 135,111 shares at September 30, 2020 and 143,820 shares at December 31, 2019	(4,712,000)	(4,735,000)
Deferred compensation and other retirement benefit obligations	4,712,000	4,735,000
Additional paid in capital	944,218,000	1,035,450,000
Retained earnings	696,546,000	654,182,000
Accumulated other comprehensive income, net of tax	48,632,000	18,169,000
Total stockholders’ equity	1,689,724,000	1,708,143,000
Total liabilities and stockholders' equity	13,173,665,000	11,395,165,000
Interest-bearing Deposit Liabilities	100,000	100,000
Debt Securities, Held-to-maturity, Fair Value	690,467,000	753,263,000
Debt Securities, Available-for-sale, Amortized Cost	$ 404,159,000	$ 420,703,000
Shares Held in Rabbi Trust at Cost	135,111	143,820
Common Stock, Shares Authorized	75,000,000	75,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	137,457	147,184
Common Stock, Shares, Issued	32,955,547	34,377,388
Common Stock, Shares, Outstanding	32,955,547	34,377,388
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Class A [Member]
Stockholders' equity
Common Stock, Shares, Outstanding	32,955,547	34,377,388
Long-term Debt [Member]
Stockholders' equity
Unamortized Debt Issuance Expense	$ 53,000	$ 94,000
Subordinated Debt [Member]
Stockholders' equity
Unamortized Debt Issuance Expense	328,000	399,000
Junior Subordinated Debt [Member]
Stockholders' equity
Unamortized Debt Issuance Expense	38,000	40,000
Commercial And Industrial [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	2,062,345,000	1,395,036,000
Total loans	2,062,345,000	1,395,036,000
Less: allowance for credit losses	(17,332,000)
Commercial Real Estate [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	4,125,464,000	4,002,359,000
Total loans	4,125,464,000	4,002,359,000
Less: allowance for credit losses	(32,651,000)
Construction Loans [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	573,334,000	547,293,000
Total loans	573,334,000	547,293,000
Less: allowance for credit losses	(5,833,000)
Small Business [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	167,632,000	174,497,000
Total loans	167,632,000	174,497,000
Less: allowance for credit losses	(1,752,000)
Residential Real Estate [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	1,352,305,000	1,590,569,000
Total loans	1,352,305,000	1,590,569,000
Less: allowance for credit losses	(3,348,000)
Home Equity Loan [Member]
Loans
Total loans	1,101,054,000
Consumer Portfolio Segment [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	23,059,000	30,087,000
Total loans	23,059,000	30,087,000	[1]
Less: allowance for credit losses	(277,000)
Senior Lien [Member] | Home Equity Loan [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	643,187,000	649,255,000
Junior Lien [Member] | Home Equity Loan [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	$ 457,867,000	$ 484,543,000

[1] Other consumer portfolio is inclusive of deposit account overdrafts recorded as loan balances.