CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Issuance of common stock, pursuant to acquisition	Common Stock	Paid-in Capital	Retained Earnings	Retained Earnings Issuance of common stock, pursuant to acquisition	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2019			51,514
Beginning balance at Dec. 31, 2019	$ 985,639	$ (16,876)	$ 5,151	$ 786,242	$ 195,813	$ (16,876)	$ (6,032)	$ 4,465
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	93,669				77,764			15,905
Stock based compensation expense (in shares)			39
Stock based compensation expense	7,304			7,304
Common stock issued for stock based employee benefit plans (in shares)			465
Common stock issued for stock based employee benefit plans	(2,252)		$ 51	(50)			(2,253)
Common stock issued for stock options (in shares)			62
Common stock issued for stock options	766		$ 6	760
Issuance of common stock, pursuant to acquisition (in shares)			3,163
Issuance of common stock, pursuant to acquisitions	62,152		$ 316	61,836
Ending balance (in shares) at Dec. 31, 2020			55,243
Ending balance at Dec. 31, 2020	1,130,402		$ 5,524	856,092	256,701		(8,285)	20,370
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	97,039				124,403			(27,364)
Stock based compensation expense (in shares)			23
Stock based compensation expense	8,685			8,685
Common stock issued for stock based employee benefit plans (in shares)			167
Common stock issued for stock based employee benefit plans	(2,314)		$ 19	(49)			(2,284)
Common stock issued for stock options (in shares)			384
Common stock issued for stock options	7,336		$ 38	7,298
Issuance of common stock, pursuant to acquisition (in shares)			2,687
Issuance of common stock, pursuant to acquisitions	86,487		$ 269	86,218
Conversion of options, pursuant to acquisition	5,607			5,607
Dividends on common stock	(22,506)				(22,506)
Ending balance (in shares) at Dec. 31, 2021			58,504
Ending 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)	(74,532)				106,507			(181,039)
Stock based compensation expense (in shares)			21
Stock based compensation expense	11,155			11,155
Common stock issued for stock based employee benefit plans (in shares)			367
Common stock issued for stock based employee benefit plans	(2,507)		$ 40	(97)			(2,450)
Common stock issued for stock options (in shares)			522
Common stock issued for stock options	5,916		$ 52	5,864
Issuance of common stock, pursuant to acquisition (in shares)			12,204
Issuance of common stock, pursuant to acquisitions	397,236		$ 1,220	396,016
Conversion of options, pursuant to acquisition	1,013			1,013
Dividends on common stock	(41,242)				(41,242)
Ending balance (in shares) at Dec. 31, 2022			71,618
Ending balance at Dec. 31, 2022	$ 1,607,775		$ 7,162	$ 1,377,802	$ 423,863		$ (13,019)	$ (188,033)