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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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