Investments - Summary of Real Estate and Loan Activity, Net of Accumulated Depreciation and Amortization (Details)
$ in Thousands |
9 Months Ended |
|
Sep. 30, 2016
USD ($)
Property
|
|---|
| Number of Properties |
|
| Gross balance, December 31, 2015 | Property |
2,629
|
| Acquisitions/improvements | Property |
227
|
| Dispositions of real estate | Property |
(82)
|
| Principal payments and payoffs | Property |
(69)
|
| (Impairments)/recoveries | Property |
0
|
| Write-off of gross assets | Property |
0
|
| Loan premium amortization and other | Property |
0
|
| Gross balance, September 30, 2016 | Property |
2,705
|
| Dollar Amount of Investments |
|
| Gross balance, December 31, 2015 |
$ 8,302,688
|
| Acquisitions/improvements |
459,384
|
| Dispositions of real estate |
(281,474)
|
| Principal payments and payoffs |
(32,875)
|
| (Impairments)/recoveries |
(41,375)
|
| Write-off of gross assets |
(15,556)
|
| Loan premium amortization and other |
(2,298)
|
| Gross balance, September 30, 2016 |
8,388,494
|
| Accumulated depreciation and amortization |
(1,197,104)
|
| Other non-real estate assets held for sale |
2,072
|
| Net balance, September 30, 2016 |
$ 7,193,462
|
| Owned Properties |
|
| Number of Properties |
|
| Gross balance, December 31, 2015 | Property |
2,485
|
| Acquisitions/improvements | Property |
227
|
| Dispositions of real estate | Property |
(82)
|
| Principal payments and payoffs | Property |
0
|
| (Impairments)/recoveries | Property |
0
|
| Write-off of gross assets | Property |
0
|
| Loan premium amortization and other | Property |
0
|
| Gross balance, September 30, 2016 | Property |
2,630
|
| Dollar Amount of Investments |
|
| Gross balance, December 31, 2015 |
$ 8,198,685
|
| Acquisitions/improvements |
459,384
|
| Dispositions of real estate |
(281,474)
|
| Principal payments and payoffs |
0
|
| (Impairments)/recoveries |
(41,699)
|
| Write-off of gross assets |
(15,556)
|
| Loan premium amortization and other |
(64)
|
| Gross balance, September 30, 2016 |
8,319,276
|
| Accumulated depreciation and amortization |
(1,197,104)
|
| Other non-real estate assets held for sale |
2,072
|
| Net balance, September 30, 2016 |
$ 7,124,244
|
| Financed Properties |
|
| Number of Properties |
|
| Gross balance, December 31, 2015 | Property |
144
|
| Acquisitions/improvements | Property |
0
|
| Dispositions of real estate | Property |
0
|
| Principal payments and payoffs | Property |
(69)
|
| (Impairments)/recoveries | Property |
0
|
| Write-off of gross assets | Property |
0
|
| Loan premium amortization and other | Property |
0
|
| Gross balance, September 30, 2016 | Property |
75
|
| Dollar Amount of Investments |
|
| Gross balance, December 31, 2015 |
$ 104,003
|
| Acquisitions/improvements |
0
|
| Dispositions of real estate |
0
|
| Principal payments and payoffs |
(32,875)
|
| (Impairments)/recoveries |
324
|
| Write-off of gross assets |
0
|
| Loan premium amortization and other |
(2,234)
|
| Gross balance, September 30, 2016 |
69,218
|
| Accumulated depreciation and amortization |
0
|
| Other non-real estate assets held for sale |
0
|
| Net balance, September 30, 2016 |
$ 69,218
|