CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2022		71,618,000
Beginning balance at Dec. 31, 2022	$ 1,607,775	$ 7,162	$ 1,377,802	$ 423,863	$ (13,019)	$ (188,033)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	30,427			11,827		18,600
Stock based compensation expense	2,642		2,642
Common stock transactions related to stock based employee benefit plans (in shares)		199,000
Common stock transactions related to stock based employee benefit plans	3,617	$ 20	3,691		(94)
Issuance of common stock, pursuant to acquisitions (in shares)		12,792,000
Issuance of common stock, pursuant to acquisitions	410,738	$ 1,279	409,459
Conversion of options, pursuant to acquisition	10,304		10,304
Dividends on common stock	(14,419)			(14,419)
Increase (decrease) in shares during period (in shares)		12,991,000
Increase (decrease) in stockholders' equity during period	443,309	$ 1,299	426,096	(2,592)	(94)	18,600
Ending balance (in shares) at Mar. 31, 2023		84,609,000
Ending balance at Mar. 31, 2023	$ 2,051,084	$ 8,461	1,803,898	421,271	(13,113)	(169,433)
Beginning balance (in shares) at Dec. 31, 2023	84,861,498	84,861,000
Beginning balance at Dec. 31, 2023	$ 2,108,086	$ 8,486	1,808,883	467,305	(16,710)	(159,878)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	21,928			26,006		(4,078)
Stock based compensation expense	2,217		2,217
Common stock transactions related to stock based employee benefit plans (in shares)		74,000
Common stock transactions related to stock based employee benefit plans	813	$ 8	841		(36)
Dividends on common stock	(15,294)			(15,294)
Increase (decrease) in shares during period (in shares)		74,000
Increase (decrease) in stockholders' equity during period	$ 9,664	$ 8	3,058	10,712	(36)	(4,078)
Ending balance (in shares) at Mar. 31, 2024	84,935,054	84,935,000
Ending balance at Mar. 31, 2024	$ 2,117,750	$ 8,494	$ 1,811,941	$ 478,017	$ (16,746)	$ (163,956)