Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at Dec. 31, 2021	$ 341	$ 263,375	$ (75,293)	$ 497,889	$ (6,684)	$ 679,628
Balance (in shares) at Dec. 31, 2021	30,526,353
Net income				18,219		18,219
Award of common shares released from Employee Benefit Trust		287				287
Vesting of restricted stock unit awards		(6,019)	6,304	(285)
Vesting of restricted stock unit awards (in shares)	297,626
Purchase of treasury shares			(8,469)			(8,469)
Purchase of treasury shares (in shares)	(360,000)
Stock-based compensation expense		4,194				4,194
Repurchase of shares to satisfy tax obligation			(2,376)			(2,376)
Repurchase of shares to satisfy tax obligation (in shares)	(97,435)
Dividends on common stock				(6,850)		(6,850)
Other comprehensive loss					(8,820)	(8,820)
Balance (in shares) at Mar. 31, 2022	30,366,544
Balance at Mar. 31, 2022	$ 341	261,837	(79,834)	508,973	(15,504)	675,813
Balance at Dec. 31, 2022	$ 341	264,332	(98,535)	547,507	(36,488)	$ 677,157
Balance (in shares) at Dec. 31, 2022	29,476,391					29,476,391
Net income				4,044		$ 4,044
Vesting of restricted stock unit awards		(5,264)	5,484	(220)
Vesting of restricted stock unit awards (in shares)	256,798
Purchase of treasury shares			(3,053)			(3,053)
Purchase of treasury shares (in shares)	(159,516)
Stock-based compensation expense		3,808				3,808
Repurchase of shares to satisfy tax obligation			(1,656)			(1,656)
Repurchase of shares to satisfy tax obligation (in shares)	(85,217)
Dividends on common stock				(6,659)		(6,659)
Other comprehensive loss					(1,296)	$ (1,296)
Balance (in shares) at Mar. 31, 2023	29,488,456					29,488,456
Balance at Mar. 31, 2023	$ 341	$ 262,876	$ (97,760)	$ 544,672	$ (37,784)	$ 672,345