Debt - Summary of Components of Interest Expense Related to Borrowings (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2015 |
Mar. 31, 2014 |
|
| Schedule Of Interest Expenses [Line Items] | ||
| Amortization of deferred financing costs | $ 2,072 | $ 973 |
| Amortization of net losses related to interest rate swaps | 28 | 33 |
| Amortization of debt (premium)/discount | 476 | (929) |
| Total interest expense | 57,914 | 54,399 |
| Revolving Credit Facilities | ||
| Schedule Of Interest Expenses [Line Items] | ||
| Interest expense | 803 | 720 |
| Mortgages and Notes Payable | ||
| Schedule Of Interest Expenses [Line Items] | ||
| Interest expense | 48,408 | 53,596 |
| Convertible Notes | ||
| Schedule Of Interest Expenses [Line Items] | ||
| Interest expense | 6,127 | 0 |
| Other Interest Expense | ||
| Schedule Of Interest Expenses [Line Items] | ||
| Interest expense | 0 | 6 |
| Interest Expense | ||
| Schedule Of Interest Expenses [Line Items] | ||
| Amortization of debt (premium)/discount | $ 476 | $ (929) |