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, 2021		58,504,000
Beginning balance at Dec. 31, 2021	$ 1,310,736	$ 5,850	$ 963,851	$ 358,598	$ (10,569)	$ (6,994)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	(63,195)			53,343		(116,538)
Stock based compensation expense	4,116		4,116
Common stock transactions related to stock based employee benefit plans (in shares)		176,000
Common stock transactions related to stock based employee benefit plans	(1,081)	$ 18	(36)		(1,063)
Common stock issued for stock options (in shares)		180,000
Common stock issued for stock options	3,442	$ 18	3,424
Issuance of common stock, pursuant to acquisitions (in shares)		2,550,000
Issuance of common stock, pursuant to acquisitions	90,234	$ 255	89,979
Conversion of options, pursuant to acquisition	3,833		3,833
Dividends on common stock	(18,510)			(18,510)
Increase (decrease) in shares during period (in shares)		2,906,000
Increase (decrease) in stockholders' equity during period	18,839	$ 291	101,316	34,833	(1,063)	(116,538)
Ending balance (in shares) at Jun. 30, 2022		61,410,000
Ending balance at Jun. 30, 2022	1,329,575	$ 6,141	1,065,167	393,431	(11,632)	(123,532)
Beginning balance (in shares) at Mar. 31, 2022		61,239,000
Beginning balance at Mar. 31, 2022	1,356,285	$ 6,124	1,062,462	371,192	(10,459)	(73,034)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	(17,743)			32,755		(50,498)
Stock based compensation expense	2,697		2,697
Common stock transactions related to stock based employee benefit plans (in shares)		169,000
Common stock transactions related to stock based employee benefit plans	(1,187)	$ 17	(31)		(1,173)
Common stock issued for stock options (in shares)		2,000
Common stock issued for stock options	39		39
Dividends on common stock	(10,516)			(10,516)
Increase (decrease) in shares during period (in shares)		171,000
Increase (decrease) in stockholders' equity during period	(26,710)	$ 17	2,705	22,239	(1,173)	(50,498)
Ending balance (in shares) at Jun. 30, 2022		61,410,000
Ending balance at Jun. 30, 2022	$ 1,329,575	$ 6,141	1,065,167	393,431	(11,632)	(123,532)
Beginning balance (in shares) at Dec. 31, 2022	71,617,852	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)	44,285			43,076		1,209
Stock based compensation expense	7,096		7,096
Common stock transactions related to stock based employee benefit plans (in shares)		448,000
Common stock transactions related to stock based employee benefit plans	(1,309)	$ 46	(203)		(1,152)
Common stock issued for stock options (in shares)		231,000
Common stock issued for stock options	5,040	$ 22	5,018
Repurchase of common stock (in shares)		(3,000)
Repurchase of common stock	(45)		(45)
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	(29,852)			(29,852)
Increase (decrease) in shares during period (in shares)		13,468,000
Increase (decrease) in stockholders' equity during period	$ 446,257	$ 1,347	431,629	13,224	(1,152)	1,209
Ending balance (in shares) at Jun. 30, 2023	85,086,269	85,086,000
Ending balance at Jun. 30, 2023	$ 2,054,032	$ 8,509	1,809,431	437,087	(14,171)	(186,824)
Beginning balance (in shares) at Mar. 31, 2023		84,609,000
Beginning balance at Mar. 31, 2023	2,051,084	$ 8,461	1,803,898	421,271	(13,113)	(169,433)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	13,858			31,249		(17,391)
Stock based compensation expense	4,454		4,454
Common stock transactions related to stock based employee benefit plans (in shares)		377,000
Common stock transactions related to stock based employee benefit plans	(1,144)	$ 38	(124)		(1,058)
Common stock issued for stock options (in shares)		103,000
Common stock issued for stock options	1,258	$ 10	1,248
Repurchase of common stock (in shares)		(3,000)
Repurchase of common stock	(45)		(45)
Dividends on common stock	(15,433)			(15,433)
Increase (decrease) in shares during period (in shares)		477,000
Increase (decrease) in stockholders' equity during period	$ 2,948	$ 48	5,533	15,816	(1,058)	(17,391)
Ending balance (in shares) at Jun. 30, 2023	85,086,269	85,086,000
Ending balance at Jun. 30, 2023	$ 2,054,032	$ 8,509	$ 1,809,431	$ 437,087	$ (14,171)	$ (186,824)