Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Statement Of Cash Flows [Abstract]
Net cash from operating activities	$ 11,590	$ 20,369
Cash flows used for investing activities:
Maturities and calls of securities, available-for-sale	27,439	25,887
Purchases of securities, available-for-sale	(29,446)	(43,998)
Sale of securities available for sale	0	16,829
Purchase of other securities	(257)
Redemption of other securities		741
Sale of equity securities	247
Purchase of bank owned life insurance		(955)
Net loan originations	(322,770)	(36,593)
Premises and equipment purchases	(1,395)	(651)
Net cash used for investing activities	(326,182)	(38,740)
Cash flows from financing activities:
Proceeds from long-term FHLB advances		50,000
Net change in short-term FHLB advances	(101,500)	(67,300)
Proceeds from other borrowings	183,695
Increase in deposits	390,497	52,827
Increase (decrease) in securities sold under repurchase agreements	4,934	(6,645)
Purchase of treasury shares	(11,450)
Common dividends paid	(3,599)	(3,123)
Preferred dividends paid		(328)
Net cash provided by financing activities	462,577	25,431
Increase in cash and due from financial institutions	147,985	7,060
Cash and due from financial institutions at beginning of period	48,535	42,779
Cash and due from financial institutions at end of period	196,520	49,839
Cash paid during the period for:
Interest	5,434	6,018
Income taxes		2,350
Supplemental cash flow information:
Change in fair value of swap asset	(16,801)
Change in fair value of swap asset liability	$ 16,801
Securities purchased not settled		2,102
Increase in right-of-use asset on leases		(251)
Increase in lease liability		$ 251