Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock Common Stock	Common Stock Exchangeable Shares	Preferred Stock Series G Preferred Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total Stockholders' Equity	Non-controlling Interests
Balance (in shares) at Dec. 31, 2018		141,103,900	486,112	1
Balance at Dec. 31, 2018	$ 3,605,453	$ 2	$ 0	$ 0	$ 1,967,354	$ 2,477,291	$ (286,048)	$ (554,440)	$ 3,604,159	$ 1,294
Quarterly activity:
Other comprehensive income (loss)	18,847						18,847		18,847
Stock-based compensation activity (in shares)		903,082
Stock-based compensation activity	(1,901)				17,151			(19,052)	(1,901)
Exchange of exchangeable shares (in shares)		449,929	(449,929)
Retirement of preferred stock (in shares)				(1)
Retirement of preferred stock	0
Common stock repurchases (in shares)		(375,536)
Common stock repurchases	(11,953)							(11,953)	(11,953)
Dividends declared	(5,896)					(5,896)			(5,896)
Distributions to non-controlling interests	(528)									(528)
Net income	121,035					120,488			120,488	547
Balance (in shares) at Mar. 31, 2019		142,081,375	36,183	0
Balance at Mar. 31, 2019	3,725,057	$ 2	$ 0	$ 0	1,984,505	2,591,883	(267,201)	(585,445)	3,723,744	1,313
Balance (in shares) at Dec. 31, 2019		142,324,318	36,183
Balance at Dec. 31, 2019	4,053,831	$ 2	$ 0		2,024,610	2,854,271	(241,818)	(586,773)	4,050,292	3,539
Quarterly activity:
Other comprehensive income (loss)	(82,968)						(82,968)		(82,968)
Acquisitions (in shares)		121,089
Acquisitions	4,329				4,329				4,329
Stock-based compensation activity (in shares)		1,124,530
Stock-based compensation activity	(8,306)				11,444			(19,750)	(8,306)
Exchange of exchangeable shares (in shares)		36,183	(36,183)
Common stock repurchases (in shares)		(5,960,134)
Common stock repurchases	(200,000)							(200,000)	(200,000)
Dividends declared	(7,184)					(7,184)			(7,184)
Distributions to non-controlling interests	(1,963)									(1,963)
Other	(223)					(516)			(516)	293
Net income	41,503					38,686			38,686	2,817
Balance (in shares) at Mar. 31, 2020		137,645,986	0
Balance at Mar. 31, 2020	$ 3,795,178	$ 2	$ 0		$ 2,040,383	$ 2,881,416	$ (324,786)	$ (806,523)	$ 3,790,492	$ 4,686