Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2020	Dec. 31, 2019
Assets
Cash and due from banks		$ 159,995	$ 170,595
Short-term interest bearing accounts		512,686	46,248
Equity securities, at fair value		30,737	27,771
Securities available for sale, at fair value		1,348,698	975,340
Securities held to maturity (fair value $636,827 and $641,262, respectively)		616,560	630,074
Federal Reserve and Federal Home Loan Bank stock		27,353	44,620
Loans held for sale		1,119	11,731
Loans		7,498,885	7,136,098
Less allowance for loan losses	[1]	110,000
Less allowance for loan losses	[1]		72,965
Net loans		7,388,885	7,063,133
Premises and equipment, net		74,206	75,631
Goodwill		280,541	274,769
Intangible assets, net		11,735	12,020
Bank owned life insurance		186,434	181,748
Other assets		293,957	202,245
Total assets		10,932,906	9,715,925
Liabilities
Demand (noninterest bearing)		3,241,123	2,414,383
Savings, NOW and money market		5,207,090	4,312,244
Time		633,479	861,193
Total deposits		9,081,692	7,587,820
Short-term borrowings		168,386	655,275
Long-term debt		39,097	64,211
Subordinated debt, net		98,052	0
Junior subordinated debt		101,196	101,196
Other liabilities		256,865	187,026
Total liabilities		9,745,288	8,595,528
Stockholders' equity
Preferred stock, $0.01 par value. Authorized 2,500,000 shares at December 31, 2020 and 2019		0	0
Common stock, $0.01 par value. Authorized 100,000,000 shares at December 31, 2020 and 2019, issued 49,651,493 at December 31, 2020 and 2019		497	497
Additional paid-in-capital		578,082	576,708
Retained earnings		749,056	696,214
Accumulated other comprehensive income (loss)		417	(19,026)
Common stock in treasury, at cost, 6,022,399 and 5,854,882 shares at December 31, 2020 and 2019, respectively		(140,434)	(133,996)
Total stockholders' equity		1,187,618	1,120,397
Total liabilities and stockholders' equity		$ 10,932,906	$ 9,715,925

[1] Beginning January 1, 2020, calculation is based on current expected loss methodology. Prior to January 1, 2020, calculation was based on incurred loss methodology.