Debt - Related Party Mortgage Loans Payable (Details)
|
3 Months Ended |
9 Months Ended |
|
|
Sep. 30, 2019
USD ($)
Property
loan
|
Sep. 30, 2019
USD ($)
Property
loan
|
Sep. 30, 2018
USD ($)
|
Dec. 31, 2018
USD ($)
|
| Debt Instrument [Line Items] |
|
|
|
|
| Outstanding principal |
$ 2,106,741,000
|
$ 2,106,741,000
|
|
$ 2,084,302,000
|
| Gain (Loss) on extinguishment of debt |
$ (5,580,000)
|
$ (11,473,000)
|
$ 27,092,000
|
|
| Related party notes payable | Affiliated Entity | Mortgage loans payable |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Number of mortgage loans with related party | loan |
4
|
4
|
|
|
| Number of properties with related party | Property |
6
|
6
|
|
|
| Outstanding principal |
|
|
|
$ 27,890,000
|
| Number of properties sold | Property |
3
|
3
|
|
|
| Number of mortgage loans repaid with related party | loan |
4
|
4
|
|
|
| Gain (Loss) on extinguishment of debt |
|
$ 0
|
|
|
| Gross proceeds from sale of properties |
|
$ 55,000,000.0
|
|
|
| Weighted Average |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Weighted average effective interest rate |
4.56%
|
4.56%
|
|
|
| Weighted Average | Related party notes payable | Affiliated Entity | Mortgage loans payable |
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
| Weighted average effective interest rate |
0.96%
|
0.96%
|
|
1.00%
|