Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 94,892	$ 77,693
Interest-bearing deposits with banks	615,575	39,501
Total cash and cash equivalents	710,467	117,194
Securities available for sale, at fair value	466,081	638,291
Securities held to maturity (fair value of $104,911 and $135,027, respectively)	100,934	133,638
Total securities	567,015	771,929
Securities, restricted	23,362	32,879
Loans held for sale	10,000	12,643
Loans held for investment	4,639,473	3,680,285
Allowance for credit losses	(43,474)	(32,786)
Loans, net	4,595,999	3,647,499
Premises and equipment, net	34,341	34,062
Operating lease right-of-use assets	44,642	43,450
Accrued interest receivable	15,823	10,908
Goodwill	105,950	105,950
Other intangible assets	3,448	3,677
Prepaid pension	12,914	10,988
Bank owned life insurance	93,352	91,942
Other assets	105,064	38,399
Total assets	6,322,377	4,921,520
Liabilities
Demand deposits	2,246,305	1,518,958
Savings, NOW and money market deposits	2,832,362	1,987,712
Certificates of deposit of $100,000 or more	213,110	214,093
Other time deposits	77,292	93,884
Total deposits	5,369,069	3,814,647
Repurchase agreements	1,353	999
Federal Home Loan Bank ("FHLB") advances	215,000	435,000
Subordinated debentures, net	79,024	78,920
Operating lease liabilities	47,383	45,977
Other liabilities and accrued expenses	98,327	48,823
Total liabilities	5,810,156	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; 19,935,517 and 19,898,022 shares issued, respectively; and 19,748,837 and 19,836,797 shares outstanding, respectively)	199	199
Surplus	357,704	356,436
Retained earnings	167,899	150,703
Treasury stock at cost, 186,680 and 61,225 shares, respectively	(4,832)	(1,843)
Total stockholders' equity before accumulated other comprehensive income (loss)	520,970	505,495
Accumulated other comprehensive loss, net of income taxes	(8,749)	(8,341)
Total stockholders' equity	512,221	497,154
Total liabilities and stockholders' equity	$ 6,322,377	$ 4,921,520