CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance at Dec. 31, 2020	$ 18,076	$ 141,112	$ 189,521	$ 21,339	$ 370,048
Balance (in shares) at Dec. 31, 2020	18,076,364
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	58,614	0	58,614
Cash dividends declared	0	0	(5,385)	0	(5,385)
Other comprehensive loss (income)	0	0	0	(7,637)	(7,637)
Issuance of stock related to stock-based awards, net of shares for cashless exercise and net of shares for taxes	$ 77	(702)	0	0	(625)
Issuance of stock related to stock-based awards, net of shares for cashless exercise and net of shares for taxes (in shares)	77,408
Repurchases of common stock	$ (393)	(8,834)	0	0	(9,227)
Repurchases of common stock (in shares)	(393,529)
Stock-based compensation	$ 0	1,639	0	0	1,639
Balance at Dec. 31, 2021	$ 17,760	133,215	242,750	13,702	407,427
Balance (in shares) at Dec. 31, 2021	17,760,243
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	58,240	0	58,240
Cash dividends declared	0	0	(8,012)	0	(8,012)
Other comprehensive loss (income)	0	0	0	(78,810)	(78,810)
Issuance of stock related to stock-based awards, net of shares for cashless exercise and net of shares for taxes	$ 127	(1,295)	0	0	(1,168)
Issuance of stock related to stock-based awards, net of shares for cashless exercise and net of shares for taxes (in shares)	126,756
Repurchases of common stock	$ (860)	(21,839)	0	0	(22,699)
Repurchases of common stock (in shares)	(859,802)
Stock-based compensation	$ 0	2,753	0	0	2,753
Balance at Dec. 31, 2022	$ 17,027	112,834	292,261	(65,108)	357,014
Balance (Topic 842 Related to Leases [Member]) at Dec. 31, 2022						$ 0	$ 0	$ (717)	$ 0	$ (717)
Balance (in shares) at Dec. 31, 2022	17,027,197
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	62,745	0	62,745
Cash dividends declared	0	0	(8,745)	0	(8,745)
Other comprehensive loss (income)	0	0	0	13,434	13,434
Issuance of stock related to stock-based awards, net of shares for cashless exercise and net of shares for taxes	$ 76	(807)	0	0	(731)
Issuance of stock related to stock-based awards, net of shares for cashless exercise and net of shares for taxes (in shares)	75,540
Repurchases of common stock	$ (686)	(17,077)	0	0	(17,763)
Repurchases of common stock (in shares)	(685,638)
Stock-based compensation	$ 0	2,157	0	0	2,157
Balance at Dec. 31, 2023	$ 16,417	$ 97,107	$ 345,264	$ (51,674)	$ 407,114
Balance (ASU 2016-13 [Member]) at Dec. 31, 2023						$ 0	$ 0	$ (997)	$ 0	$ (997)
Balance (in shares) at Dec. 31, 2023	16,417,099