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Debt Obligations, net (Schedule of Debt) (Details) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
		Sep. 30, 2019	Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020	Sep. 30, 2022	Aug. 31, 2022	Jun. 30, 2022	Apr. 30, 2022	Dec. 31, 2019
Debt Instrument [Line Items]
Total debt obligations			$ 1,702,464		$ 2,604,375
Debt discounts and deferred financing costs, net			(19,943)		(32,201)
Total debt obligations, net	[1]		1,682,521		2,572,174
Stockholders' equity			1,426,897	[1]	1,063,206	[1]	$ 1,064,383					$ 1,237,960
Interest costs capitalized			$ 1,500		$ 1,000		1,400
Period of Adoption, Adjustment
Debt Instrument [Line Items]
Stockholders' equity							$ (10,019)					$ (12,382)
Senior Term Loan | LIBOR
Debt Instrument [Line Items]
Basis point spread on variable interest rate			1.00%
3.125% Senior Convertible Notes
Debt Instrument [Line Items]
Stated interest rate					3.125%		3.125%
Secured Debt
Debt Instrument [Line Items]
Total debt obligations			$ 0		$ 491,875
Debt discounts and deferred financing costs, net			0
Total debt obligations, net			$ 0
Secured Debt | Revolving Credit Facility | LIBOR
Debt Instrument [Line Items]
Basis point spread on variable interest rate					2.00%
Secured Debt | Revolving Credit Facility | LIBOR | Minimum
Debt Instrument [Line Items]
Basis point spread on variable interest rate		2.00%	1.00%
Secured Debt | Revolving Credit Facility | LIBOR | Minimum | Interest Rate Category Two
Debt Instrument [Line Items]
Basis point spread on variable interest rate			2.00%
Secured Debt | Revolving Credit Facility | LIBOR | Maximum
Debt Instrument [Line Items]
Basis point spread on variable interest rate		2.50%
Secured Debt | Revolving Credit Facility | LIBOR | Maximum | Interest Rate Category Two
Debt Instrument [Line Items]
Basis point spread on variable interest rate			2.50%
Secured Debt | Revolving Credit Facility | Federal Funds Rate
Debt Instrument [Line Items]
Basis point spread on variable interest rate			0.50%
Secured Debt | Revolving Credit Facility | Base Rate | Minimum
Debt Instrument [Line Items]
Basis point spread on variable interest rate		1.00%
Secured Debt | Revolving Credit Facility | Base Rate | Minimum | Interest Rate Category One
Debt Instrument [Line Items]
Basis point spread on variable interest rate			1.00%
Secured Debt | Revolving Credit Facility | Base Rate | Maximum
Debt Instrument [Line Items]
Basis point spread on variable interest rate		1.50%
Secured Debt | Revolving Credit Facility | Base Rate | Maximum | Interest Rate Category One
Debt Instrument [Line Items]
Basis point spread on variable interest rate			1.50%
Secured Debt | Senior Term Loan
Debt Instrument [Line Items]
Total debt obligations					$ 491,875
Secured Debt | Senior Term Loan | LIBOR
Debt Instrument [Line Items]
Basis point spread on variable interest rate					2.75%
Secured Debt | Senior Term Loan | LIBOR | Interest Rate Category One
Debt Instrument [Line Items]
Basis point spread on variable interest rate			1.75%
Secured Debt | Senior Term Loan | LIBOR | Interest Rate Category Two
Debt Instrument [Line Items]
Basis point spread on variable interest rate			2.75%
Secured Debt | Senior Term Loan | Federal Funds Rate
Debt Instrument [Line Items]
Basis point spread on variable interest rate			0.50%
Unsecured notes
Debt Instrument [Line Items]
Total debt obligations			$ 1,602,464		$ 2,012,500
Unsecured notes | 3.125% Senior Convertible Notes
Debt Instrument [Line Items]
Total debt obligations					$ 287,500
Stated interest rate			3.125%		3.125%		3.125%	3.125%	3.125%		3.125%
Contractual interest			$ 3,500		$ 9,000		$ 9,000
Unsecured notes | 4.75% Senior Notes
Debt Instrument [Line Items]
Total debt obligations			$ 753,561		$ 775,000
Stated interest rate			4.75%		4.75%						4.75%
Unsecured notes | 4.25% Senior Notes
Debt Instrument [Line Items]
Total debt obligations			$ 501,997		$ 550,000
Stated interest rate			4.25%		4.25%			4.25%
Unsecured notes | 5.50% Senior Notes
Debt Instrument [Line Items]
Total debt obligations			$ 346,906		$ 400,000
Stated interest rate			5.50%		5.50%					5.50%
Other Debt Obligations | Trust Preferred Securities
Debt Instrument [Line Items]
Total debt obligations			$ 100,000		$ 100,000
Other Debt Obligations | Trust Preferred Securities | LIBOR
Debt Instrument [Line Items]
Basis point spread on variable interest rate			1.50%		1.50%
[1] Refer to Note 2 for details on the Company’s consolidated variable interest entities (“VIEs”). Certain items have been reclassified to “Real estate and other assets available and held for sale and classified as discontinued operations” and “Liabilities associated with real estate held for sale and classified as discontinued operations” (refer to Note 3).

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