UNAUDITED 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) [Member]	Total
Balance at Dec. 31, 2020	$ 8	$ 77,516	$ 333,070	$ 13,071	$ 423,665
Balance (in shares) at Dec. 31, 2020	789,646
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	16,713	0	16,713
Other comprehensive (loss), net of tax	0	0	0	(14,415)	(14,415)
Cash dividends returned	0	0	7	0	7
Balance at Mar. 31, 2021	$ 8	77,516	349,790	(1,344)	425,970
Balance (in shares) at Mar. 31, 2021	789,646
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	17,058	0	$ 17,058
Other comprehensive (loss), net of tax	0	0	0	(11,229)	(11,229)
Repurchase of common stock	$ 0	(4,252)	0	0	(4,252)
Repurchase of common stock (in shares)	(4,500)
Balance at Mar. 31, 2022	$ 8	$ 73,264	$ 404,389	$ (12,948)	$ 464,713
Balance (in shares) at Mar. 31, 2022	785,146				785,146