Supplemental Cash Flow Information - Schedule of Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Supplemental Cash Flow Elements [Abstract] | ||
| Reduction of debt through sale of certain real estate properties | $ 7,155 | $ 0 |
| Reduction of debt in exchange for collateral assets | 7,904 | 0 |
| Net real estate and other collateral assets surrendered to lender | 7,384 | 0 |
| Accrued interest capitalized to principal | 3,551 | 0 |
| Accrued performance share dividend rights | 288 | 280 |
| Accrued equity offering costs | 0 | 250 |
| Accrued deferred financing costs | $ 0 | $ 281 |