CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Shares [Member]	Additional Paid In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss)/Income [Member]	Total
Balance at Dec. 31, 2018	$ 8	$ 72,974	$ 241,221	$ (2,988)	$ 311,215
Balance (in shares) at Dec. 31, 2018	783,721
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	56,036	0	56,036
Other comprehensive income (loss), net of tax	0	0	0	6,293	6,293
Cash dividends declared	0	0	(11,221)	0	(11,221)
Issuance of common stock	$ 0	6,973	0	0	6,973
Issuance of common stock (in shares)	9,312
Balance at Dec. 31, 2019	$ 8	79,947	286,036	3,305	369,296
Balance (in shares) at Dec. 31, 2019	793,033
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	58,734	0	58,734
Other comprehensive income (loss), net of tax	0	0	0	9,766	9,766
Cash dividends declared	0	0	(11,700)	0	(11,700)
Issuance of common stock	$ 0	403	0	0	403
Issuance of common stock (in shares)	523
Repurchase of common stock	$ 0	(2,834)	0	0	(2,834)
Repurchase of common stock (in shares)	(3,910)
Balance at Dec. 31, 2020	$ 8	77,516	333,070	13,071	$ 423,665
Balance (in shares) at Dec. 31, 2020	789,646				789,646
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	66,336	0	$ 66,336
Other comprehensive income (loss), net of tax	0	0	0	(14,790)	(14,790)
Cash dividends declared	0	0	(12,075)	0	(12,075)
Balance at Dec. 31, 2021	$ 8	$ 77,516	$ 387,331	$ (1,719)	$ 463,136
Balance (in shares) at Dec. 31, 2021	789,646				789,646