CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in-Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Beginning balance at Dec. 31, 2021	$ 56	$ 720,744	$ 340,976	$ 2,275	$ 1,064,051
Beginning balance (in shares) at Dec. 31, 2021	56,432,070
Net income			30,836		30,836
Other comprehensive loss				(6,207)	(6,207)
Stock based compensation		1,204			1,204
Cash dividend			(6,208)		(6,208)
Exercise of options		18			18
Exercise of options (in shares)	2,000
Stock grants - vesting of restricted stock units	$ 1				1
Stock grants - vesting of restricted stock units (in shares)	122,700
Repurchase of shares from restricted shares vesting		(1,120)			(1,120)
Repurchase of shares from restricted shares vesting (in shares)	(42,602)
Ending balance at Mar. 31, 2022	$ 57	720,846	365,604	(3,932)	1,082,575
Ending balance (in shares) at Mar. 31, 2022	56,514,168
Beginning balance at Dec. 31, 2022	$ 56	719,606	426,659	(11,943)	1,134,378
Beginning balance (in shares) at Dec. 31, 2022	56,325,242
Net income			8,496		8,496
Other comprehensive loss				(2,592)	(2,592)
Stock based compensation		32			32
Cash dividend			(6,199)		(6,199)
Exercise of options		157			157
Exercise of options (in shares)	19,500
Stock grants - vesting of restricted stock units (in shares)	114,592
Repurchase of shares from restricted shares vesting		(534)			(534)
Repurchase of shares from restricted shares vesting (in shares)	(35,058)
Ending balance at Mar. 31, 2023	$ 56	$ 719,261	$ 428,956	$ (14,535)	$ 1,133,738
Ending balance (in shares) at Mar. 31, 2023	56,424,276