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)/Income [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	32,866	0	32,866
Other comprehensive loss, net of tax	0	0	0	(12,257)	(12,257)
Cash dividends declared	0	0	(5,922)	0	(5,922)
Cash dividends returned	0	0	7	0	7
Balance at Jun. 30, 2021	$ 8	77,516	360,021	814	438,359
Balance (in shares) at Jun. 30, 2021	789,646
Balance at Mar. 31, 2021	$ 8	77,516	349,790	(1,344)	425,970
Balance (in shares) at Mar. 31, 2021	789,646
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	16,153	0	16,153
Other comprehensive loss, net of tax	0	0	0	2,158	2,158
Cash dividends declared	0	0	(5,922)	0	(5,922)
Balance at Jun. 30, 2021	$ 8	77,516	360,021	814	438,359
Balance (in shares) at Jun. 30, 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	35,501	0	$ 35,501
Other comprehensive loss, net of tax	0	0	0	(19,329)	(19,329)
Cash dividends declared	0	0	(6,110)	0	(6,110)
Repurchase of common stock	$ 0	(11,845)	0	0	(11,845)
Repurchase of common stock (in shares)	(12,456)
Balance at Jun. 30, 2022	$ 8	65,671	416,722	(21,048)	$ 461,353
Balance (in shares) at Jun. 30, 2022	777,190				777,190
Balance at Mar. 31, 2022	$ 8	73,264	404,389	(12,948)	$ 464,713
Balance (in shares) at Mar. 31, 2022	785,146
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	18,443	0	18,443
Other comprehensive loss, net of tax	0	0	0	(8,100)	(8,100)
Cash dividends declared	0	0	(6,110)	0	(6,110)
Repurchase of common stock	$ 0	(7,593)	0	0	(7,593)
Repurchase of common stock (in shares)	(7,956)
Balance at Jun. 30, 2022	$ 8	$ 65,671	$ 416,722	$ (21,048)	$ 461,353
Balance (in shares) at Jun. 30, 2022	777,190				777,190