Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Common stock [Member]	Additional paid-in capital ("APIC") [Member]	Retained earnings [Member]	Accumulated other comprehensive income (loss) [Member]	Non-controlling interest ("NCI") [Member]	Total
Balance at Dec. 31, 2019	$ 194,771	$ 52,110	$ 714,051	$ (59,099)	$ 5,154	$ 906,987
Balance, shares at Dec. 31, 2019	109,337,781
Net income			170,095		263	170,358
Other comprehensive loss				24,804	57	24,861
Comprehensive income			170,095	24,804	320	195,219
Stock option exercises	$ 55,669	(11,541)				44,128
Stock option exercises, shares	1,563,941
Issuance of common stock related to vesting of share units	$ 3,181	(9,900)				(6,719)
Issuance of common stock related to vesting of share units, shares	187,825
Issuance of common stock related to business combination		1,459				1,459
Issuance of common stock related to business combination, shares	312,193
Share based continuing employment costs related to business combinations		802				802
Stock option compensation expense		5,853				5,853
Equity-classified share unit expense		9,897				9,897
Equity-classified share units dividend equivalents		491	(491)
Cash dividends paid			(91,737)		(320)	(92,057)
Shares repurchased	$ (53,170)					(53,170)
Shares repurchased, shares	(1,525,312)
Balance at Dec. 31, 2020	$ 200,451	49,171	791,918	(34,295)	5,154	1,012,399
Balance, shares at Dec. 31, 2020	109,876,428
Net income			151,868		(14)	151,854
Other comprehensive loss				(21,678)	(34)	(21,712)
Comprehensive income			151,868	(21,678)	(48)	130,142
Stock option exercises	$ 20,013	(3,763)				16,250
Stock option exercises, shares	495,021
Issuance of common stock related to vesting of share units	$ 2,276	(11,724)				(9,448)
Issuance of common stock related to vesting of share units, shares	238,139
Forfeiture of common stock related to business combinations		(98)				(98)
Forfeiture of common stock related to business combinations, shares	(55,510)
Issuance of common stock related to business combination, shares	63,971
Share based continuing employment costs related to business combinations	$ 4,764	6,105				$ 10,869
Shares forfeited						(55,510)
Stock option compensation expense		8,365				$ 8,365
Equity-classified share unit expense		12,199				12,199
Equity-classified share units dividend equivalents		450	(450)
Acquisition of remaining interest in NCI		(1,170)	70		(4,614)	(5,714)
Cash dividends paid			(103,797)		(104)	(103,901)
Balance at Dec. 31, 2021	$ 227,504	59,535	839,609	(55,973)	388	1,071,063
Balance, shares at Dec. 31, 2021	110,618,049
Net income			319,657		101	319,758
Other comprehensive loss				(29,131)	(23)	(29,154)
Comprehensive income			319,657	(29,131)	78	290,604
Stock option exercises	$ 7,226	(1,354)				5,872
Stock option exercises, shares	159,920
Issuance of common stock related to vesting of share units	$ 2,905	(6,814)				(3,909)
Issuance of common stock related to vesting of share units, shares	103,394
Share based continuing employment costs related to business combinations	$ 8,648	(1,148)				7,500
Stock option compensation expense		12,145				12,145
Equity-classified share unit expense		22,019				22,019
Equity-classified share units dividend equivalents		878	(878)
Cash dividends paid			(115,219)			(115,219)
Balance at Dec. 31, 2022	$ 246,283	$ 85,261	$ 1,043,169	$ (85,104)	$ 466	$ 1,290,075
Balance, shares at Dec. 31, 2022	110,881,363