Debt - Schedule of Debt Maturities (Footnote) (Details) |
9 Months Ended | ||
|---|---|---|---|
|
Sep. 30, 2017
USD ($)
extension_option
Loan
|
Sep. 30, 2016
USD ($)
|
Aug. 18, 2016
USD ($)
|
|
| Debt Instrument [Line Items] | |||
| Capitalized interest | $ 2,430,000 | $ 3,584,000 | |
| CMBS fixed-rate | CMBS Loans | |||
| Debt Instrument [Line Items] | |||
| Debt default amount | 62,900,000 | ||
| Capitalized interest | 11,800,000 | ||
| Unsecured Debt | |||
| Debt Instrument [Line Items] | |||
| Unsecured term loan | $ 420,000,000 | $ 300,000,000 | |
| Number of one-year extension options | extension_option | 2 | ||
| Extension option, term (in years) | 1 year | ||
| Revolving Credit Facility | |||
| Debt Instrument [Line Items] | |||
| Extension option, term (in years) | 1 year | ||
| Discontinued Operations, Disposed of by Sale | CMBS Loans | |||
| Debt Instrument [Line Items] | |||
| Number of loans in default | Loan | 6 | ||