PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION - Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities
Net earnings	$ 39,806	$ 27,402	$ 26,279
Adjustments:
Stock based compensation	733	749	663
Net cash (used in) provided by operating activities	43,544	42,521	32,046
Cash flows from investing activities
Net cash provided by investing activities	(202,678)	(165,768)	(17,740)
Cash flows from financing activities
Purchase of treasury stock	0	(16,927)	(10,140)
Exercise of stock options	2,019	638	925
Cash dividends paid	(9,427)	(8,487)	(8,065)
Net cash used in financing activities	306,948	384,324	4,898
Net change in cash and cash equivalents	147,814	261,077	19,204
Cash and cash equivalents at beginning of period	351,791	90,714	71,510
Cash and cash equivalents at end of period	499,605	351,791	90,714
Parent Company
Cash flows from operating activities
Net earnings	39,806	27,402	26,279
Adjustments:
Equity in undistributed subsidiary earnings	24,517	29,757	5,097
Stock based compensation	733	749	663
Change in other assets	176	(18)	(85)
Change in other liabilities	44	(673)	503
Net cash (used in) provided by operating activities	15,890	(2,261)	22,433
Cash flows from investing activities
Net cash provided by investing activities	0	0	0
Cash flows from financing activities
Proceeds of borrowings	10,000	40,000	0
Repayments of borrowings	17,000	19,000	2,000
Purchase of treasury stock	0	16,927	10,140
Exercise of stock options	2,019	638	925
Cash dividends paid	9,427	8,487	8,065
Net cash used in financing activities	(14,408)	(3,776)	(19,280)
Net change in cash and cash equivalents	1,482	(6,037)	3,153
Cash and cash equivalents at beginning of period	1,227	7,264	4,111
Cash and cash equivalents at end of period	$ 2,709	$ 1,227	$ 7,264