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)	50,252			74,490		(24,238)
Stock based compensation expense (in shares)		30,000
Stock based compensation expense	10,290		10,290
Common stock transactions related to stock based employee benefit plans (in shares)		713,000
Common stock transactions related to stock based employee benefit plans	4,316	$ 74	5,258		(1,016)
Repurchase of common stock (in shares)		(3,000)
Repurchase of common stock	(45)		(45)
Issuance of common stock, pursuant to acquisition (in shares)		12,792,000
Issuance of common stock, pursuant to acquisition	410,738	$ 1,279	409,459
Conversion of options, pursuant to acquisition	10,304		10,304
Dividends on common stock	(45,236)			(45,236)
Increase (decrease) in shares during period (in shares)		13,532,000
Increase (decrease) in stockholders' equity during period	440,619	$ 1,353	435,266	29,254	(1,016)	(24,238)
Ending balance (in shares) at Sep. 30, 2023		85,150,000
Ending balance at Sep. 30, 2023	2,048,394	$ 8,515	1,813,068	453,117	(14,035)	(212,271)
Beginning balance (in shares) at Jun. 30, 2023		85,086,000
Beginning balance at Jun. 30, 2023	2,054,032	$ 8,509	1,809,431	437,087	(14,171)	(186,824)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	5,967			31,414		(25,447)
Stock based compensation expense (in shares)		30,000
Stock based compensation expense	3,194		3,194
Common stock transactions related to stock based employee benefit plans (in shares)		34,000
Common stock transactions related to stock based employee benefit plans	585	$ 6	443		136
Dividends on common stock	(15,384)			(15,384)
Increase (decrease) in shares during period (in shares)		64,000
Increase (decrease) in stockholders' equity during period	(5,638)	$ 6	3,637	16,030	136	(25,447)
Ending balance (in shares) at Sep. 30, 2023		85,150,000
Ending balance at Sep. 30, 2023	$ 2,048,394	$ 8,515	1,813,068	453,117	(14,035)	(212,271)
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)	121,609			86,901		34,708
Stock based compensation expense	10,233		10,233
Common stock transactions related to stock based employee benefit plans (in shares)		620,000
Common stock transactions related to stock based employee benefit plans	972	$ 128	1,934		(1,090)
Repurchase of common stock (in shares)		(40,000)
Repurchase of common stock	(880)				(880)
Dividends on common stock	(46,170)			(46,170)
Increase (decrease) in shares during period (in shares)		580,000
Increase (decrease) in stockholders' equity during period	$ 85,764	$ 128	12,167	40,731	(1,970)	34,708
Ending balance (in shares) at Sep. 30, 2024	85,441,001	85,441,000
Ending balance at Sep. 30, 2024	$ 2,193,850	$ 8,614	1,821,050	508,036	(18,680)	(125,170)
Beginning balance (in shares) at Jun. 30, 2024		85,299,000
Beginning balance at Jun. 30, 2024	2,130,381	$ 8,530	1,815,800	492,805	(18,744)	(168,010)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	73,491			30,651		42,840
Stock based compensation expense	4,128		4,128
Common stock transactions related to stock based employee benefit plans (in shares)		142,000
Common stock transactions related to stock based employee benefit plans	1,270	$ 84	1,122		64
Dividends on common stock	(15,420)			(15,420)
Increase (decrease) in shares during period (in shares)		142,000
Increase (decrease) in stockholders' equity during period	$ 63,469	$ 84	5,250	15,231	64	42,840
Ending balance (in shares) at Sep. 30, 2024	85,441,001	85,441,000
Ending balance at Sep. 30, 2024	$ 2,193,850	$ 8,614	$ 1,821,050	$ 508,036	$ (18,680)	$ (125,170)