Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period at Dec. 31, 2022	$ 1,108,587	$ 855,425	$ 329,375	$ (1,452)	$ (74,761)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,805		19,805
Other comprehensive income, net of tax	7,456				7,456
Stock based compensation	1,725	1,725
Retirement of restricted stock	(1,493)	(1,493)
Cash dividends on common stock	(9,500)		(9,500)
Balance at end of period at Mar. 31, 2023	1,126,580	855,657	339,680	(1,452)	(67,305)
Balance at beginning of period at Dec. 31, 2023	1,169,369	858,857	376,044	(1,452)	(64,080)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,795		19,795
Other comprehensive income, net of tax	(1,069)				(1,069)
Stock based compensation	1,635	1,635
Retirement of restricted stock	(780)	(780)
Cash dividends on common stock	(9,520)		(9,520)
Balance at end of period at Mar. 31, 2024	$ 1,179,430	$ 859,712	$ 386,319	$ (1,452)	$ (65,149)