Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Statement Of Cash Flows [Abstract]
Net cash from operating activities	$ 25,301	$ 22,522
Cash flows used for investing activities:
Maturities, paydowns and calls of securities, available-for-sale	38,869	37,688
Purchases of securities, available-for-sale	(39,144)	(48,178)
Sale of securities available for sale	1,455	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	(339,683)	(86,351)
Proceeds from sale of premises and equipment	12
Premises and equipment purchases	(1,780)	(1,729)
Net cash used for investing activities	(340,281)	(81,955)
Cash flows from financing activities:
Proceeds from long-term FHLB advances		50,000
Net change in short-term FHLB advances	(101,500)	(7,500)
Proceeds from other borrowings	183,695
Increase in deposits	390,005	52,728
Increase (decrease) in securities sold under repurchase agreements	7,139	(7,111)
Purchase of treasury shares	(12,756)	(3,909)
Common dividends paid	(5,365)	(4,845)
Preferred dividends paid		(490)
Net cash provided by financing activities	461,218	78,873
Increase in cash and due from financial institutions	146,238	19,440
Cash and due from financial institutions at beginning of period	48,535	42,779
Cash and due from financial institutions at end of period	194,773	62,219
Cash paid during the period for:
Interest	7,733	9,614
Income taxes	4,595	3,700
Supplemental cash flow information:
Transfer of premises to held-for-sale		76
Change in fair value of swap asset	(15,809)	(8,719)
Change in fair value of swap asset liability	$ 15,809	8,719
Conversion of preferred shares to common shares		206
Securities purchased not settled		2,102
Increase in right-of-use asset on leases		(2,367)
Increase in lease liability		$ 2,367