CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands		Total	Common Stock	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2020			112,760,051	72,006
Beginning balance at Dec. 31, 2020		$ 5,752,793	$ 2,677,482	$ (6,289)	$ 3,025,106	$ (62,796)	$ 119,290
Increase (Decrease) in Shareholders' Equity
Net income		40,514			35,641		4,873
Other comprehensive income		1,284				1,284
Dividends on common stock		5			5
Issuance of common stock (in shares)			31,514
Issuance of common stock		9,570	$ 9,570
Purchase of treasury stock (in shares)	[1]			(17,437)
Purchase of treasury stock	[1]	(1,333)		$ (1,333)
Reissuance of treasury stock for stock-based compensation and other (in shares)				45,105
Reissuance of treasury stock for stock-based compensation and other		3,846		$ 3,846
Other		1					1
Ending balance (in shares) at Mar. 31, 2021			112,791,565	44,338
Ending balance at Mar. 31, 2021		$ 5,806,680	$ 2,687,052	$ (3,776)	3,060,752	(61,512)	124,164
Beginning balance (in shares) at Dec. 31, 2021		113,014,528	113,014,528	87,608
Beginning balance at Dec. 31, 2021		$ 6,021,460	$ 2,702,743	$ (6,401)	3,264,719	(54,861)	115,260
Increase (Decrease) in Shareholders' Equity
Net income		21,262			16,956		4,306
Other comprehensive income		1,153				1,153
Dividends on common stock		(74)			(74)
Issuance of common stock (in shares)			33,171
Issuance of common stock		3,582	$ 3,582
Purchase of treasury stock (in shares)				(24,885)
Purchase of treasury stock		(1,665)		$ (1,665)
Reissuance of treasury stock for stock-based compensation and other (in shares)				61,572
Reissuance of treasury stock for stock-based compensation and other		$ 4,418		$ 4,418
Ending balance (in shares) at Mar. 31, 2022		113,047,699	113,047,699	50,921
Ending balance at Mar. 31, 2022		$ 6,050,136	$ 2,706,325	$ (3,648)	$ 3,281,601	$ (53,708)	$ 119,566

[1] Primarily represents shares of common stock withheld from certain stock awards for tax purposes.