Investments - Summary of Owned Real Estate Activity (Details)
$ in Thousands |
3 Months Ended |
6 Months Ended |
|
Jun. 30, 2020
USD ($)
Property
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2020
USD ($)
Property
|
Jun. 30, 2019
USD ($)
|
| Dollar Amount of Investments |
|
|
|
|
| Impairments |
$ (21,272)
|
$ (3,607)
|
$ (61,436)
|
$ (7,299)
|
| Ending balance |
6,300,000
|
|
6,300,000
|
|
| Net balance |
$ 5,351,887
|
|
$ 5,351,887
|
|
| Held in Use |
|
|
|
|
| Number of Properties |
|
|
|
|
| Beginning balance (in properties) | Property |
|
|
1,750
|
|
| Acquisitions/improvements (in properties) | Property |
|
|
29
|
|
| Dispositions of real estate (in properties) | Property |
|
|
(7)
|
|
| Transfers to Held for Sale (in properties) | Property |
|
|
(8)
|
|
| Transfers from Held for Sale (in properties) | Property |
|
|
0
|
|
| Impairments (in properties) | Property |
|
|
0
|
|
| Reset of gross balances (in properties) | Property |
|
|
0
|
|
| Other (in properties) | Property |
|
|
0
|
|
| Ending balance (in properties) | Property |
1,764
|
|
1,764
|
|
| Dollar Amount of Investments |
|
|
|
|
| Beginning balance |
|
|
$ 6,140,775
|
|
| Acquisitions |
|
|
228,812
|
|
| Dispositions |
|
|
(19,239)
|
|
| Transfers to Held for Sale |
|
|
(13,705)
|
|
| Transfers from Held for Sale |
|
|
0
|
|
| Impairments |
|
|
(61,708)
|
|
| Reset of gross balances |
|
|
(33,918)
|
|
| Other |
|
|
(1,337)
|
|
| Ending balance |
$ 6,239,680
|
|
6,239,680
|
|
| Accumulated depreciation and amortization |
(900,501)
|
|
(900,501)
|
|
| Net balance |
$ 5,339,179
|
|
$ 5,339,179
|
|
| Held for Sale |
|
|
|
|
| Number of Properties |
|
|
|
|
| Beginning balance (in properties) | Property |
|
|
2
|
|
| Acquisitions/improvements (in properties) | Property |
|
|
0
|
|
| Dispositions of real estate (in properties) | Property |
|
|
(3)
|
|
| Transfers to Held for Sale (in properties) | Property |
|
|
8
|
|
| Transfers from Held for Sale (in properties) | Property |
|
|
0
|
|
| Impairments (in properties) | Property |
|
|
0
|
|
| Reset of gross balances (in properties) | Property |
|
|
0
|
|
| Other (in properties) | Property |
|
|
0
|
|
| Ending balance (in properties) | Property |
7
|
|
7
|
|
| Dollar Amount of Investments |
|
|
|
|
| Beginning balance |
|
|
$ 1,223
|
|
| Acquisitions |
|
|
0
|
|
| Dispositions |
|
|
(1,842)
|
|
| Transfers to Held for Sale |
|
|
13,705
|
|
| Transfers from Held for Sale |
|
|
0
|
|
| Impairments |
|
|
(32)
|
|
| Reset of gross balances |
|
|
(6)
|
|
| Other |
|
|
0
|
|
| Ending balance |
$ 13,048
|
|
13,048
|
|
| Accumulated depreciation and amortization |
(340)
|
|
(340)
|
|
| Net balance |
$ 12,708
|
|
$ 12,708
|
|
| Total |
|
|
|
|
| Number of Properties |
|
|
|
|
| Beginning balance (in properties) | Property |
|
|
1,752
|
|
| Acquisitions/improvements (in properties) | Property |
|
|
29
|
|
| Dispositions of real estate (in properties) | Property |
|
|
(10)
|
|
| Transfers to Held for Sale (in properties) | Property |
|
|
0
|
|
| Transfers from Held for Sale (in properties) | Property |
|
|
0
|
|
| Impairments (in properties) | Property |
|
|
0
|
|
| Reset of gross balances (in properties) | Property |
|
|
0
|
|
| Other (in properties) | Property |
|
|
0
|
|
| Ending balance (in properties) | Property |
1,771
|
|
1,771
|
|
| Dollar Amount of Investments |
|
|
|
|
| Beginning balance |
|
|
$ 6,141,998
|
|
| Acquisitions |
|
|
228,812
|
|
| Dispositions |
|
|
(21,081)
|
|
| Transfers to Held for Sale |
|
|
0
|
|
| Transfers from Held for Sale |
|
|
0
|
|
| Impairments |
|
|
(61,740)
|
|
| Reset of gross balances |
|
|
(33,924)
|
|
| Other |
|
|
(1,337)
|
|
| Ending balance |
$ 6,252,728
|
|
6,252,728
|
|
| Accumulated depreciation and amortization |
(900,841)
|
|
(900,841)
|
|
| Net balance |
$ 5,351,887
|
|
$ 5,351,887
|
|