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, 2021	$ 8	$ 77,516	$ 387,331	$ (1,719)	$ 463,136
Balance (in shares) at Dec. 31, 2021	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
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
Balance at Dec. 31, 2022	$ 8	57,206	449,932	(21,838)	$ 485,308
Balance (in shares) at Dec. 31, 2022	768,337				768,337
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	44,855	0	$ 44,855
Other comprehensive loss, net of tax	0	0	0	4,775	4,775
Cash dividends declared	0	0	(6,286)	0	(6,286)
Repurchase of common stock	$ 0	(13,943)	0	0	(13,943)
Repurchase of common stock (in shares)	(13,814)
Balance at Jun. 30, 2023	$ 8	43,263	488,501	(17,063)	$ 514,709
Balance (in shares) at Jun. 30, 2023	754,523				754,523
Balance at Mar. 31, 2023	$ 8	51,615	473,479	(16,200)	$ 508,902
Balance (in shares) at Mar. 31, 2023	762,931
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	21,308	0	21,308
Other comprehensive loss, net of tax	0	0	0	(863)	(863)
Cash dividends declared	0	0	(6,286)	0	(6,286)
Repurchase of common stock	$ 0	(8,352)	0	0	(8,352)
Repurchase of common stock (in shares)	(8,408)
Balance at Jun. 30, 2023	$ 8	$ 43,263	$ 488,501	$ (17,063)	$ 514,709
Balance (in shares) at Jun. 30, 2023	754,523				754,523