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, 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
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	75,090	0	$ 75,090
Other comprehensive income (loss) net of tax	0	0	0	(20,119)	(20,119)
Cash dividends declared	0	0	(12,489)	0	(12,489)
Repurchase of common stock	$ 0	(20,310)	0	0	(20,310)
Repurchase of common stock (in shares)	(21,309)
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