Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 107,729	$ 77,693
Interest-bearing deposits with banks	769,099	39,501
Total cash and cash equivalents	876,828	117,194
Securities available for sale, at fair value	450,360	638,291
Securities held to maturity (fair value of $89,325 and $135,027, respectively)	85,700	133,638
Total securities	536,060	771,929
Securities, restricted	23,362	32,879
Loans held for sale	52,785	12,643
Loans held for investment	4,597,403	3,680,285
Allowance for credit losses	(44,200)	(32,786)
Loans, net	4,553,203	3,647,499
Premises and equipment, net	34,872	34,062
Operating lease right-of-use assets	44,007	43,450
Accrued interest receivable	16,566	10,908
Goodwill	105,950	105,950
Other intangible assets	3,378	3,677
Prepaid pension	10,313	10,988
Bank owned life insurance	93,900	91,942
Other assets	83,072	38,399
Total assets	6,434,296	4,921,520
Liabilities
Demand deposits	2,472,727	1,518,958
Savings, NOW and money market deposits	2,728,081	1,987,712
Certificates of deposit of $100,000 or more	216,017	214,093
Other time deposits	72,428	93,884
Total deposits	5,489,253	3,814,647
Repurchase agreements	1,223	999
Federal Home Loan Bank ("FHLB") advances	215,000	435,000
Subordinated debentures, net	79,059	78,920
Operating lease liabilities	46,713	45,977
Other liabilities and accrued expenses	85,217	48,823
Total liabilities	5,916,465	4,424,366
Commitments and contingencies
Stockholders' equity
Preferred stock, par value $.01 per share (2,000,000 shares authorized; none issued)
Common stock, par value $.01 per share (40,000,000 shares authorized; 19,951,955 and 19,898,022 shares issued, respectively; and 19,743,710 and 19,836,797 shares outstanding, respectively)	199	199
Surplus	360,741	356,436
Retained earnings	172,075	150,703
Treasury stock at cost, 208,245 and 61,225 shares, respectively	(5,056)	(1,843)
Total stockholders' equity before accumulated other comprehensive income (loss)	527,959	505,495
Accumulated other comprehensive loss, net of income taxes	(10,128)	(8,341)
Total stockholders' equity	517,831	497,154
Total liabilities and stockholders' equity	$ 6,434,296	$ 4,921,520