Indebtedness - Schedule of Debt (Parenthetical) (Details) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2016 |
Dec. 31, 2015 |
|
| Recourse Debt | Lines of Credit | Basis point | ||
| Debt Instrument [Line Items] | ||
| Annual Contractual Interest Rate | 3.25% | 3.25% |
| Recourse Debt | Lines of Credit | Base Rate | ||
| Debt Instrument [Line Items] | ||
| Annual Contractual Interest Rate | 2.25% | 2.25% |
| Recourse Debt | Lines of Credit | Federal Funds Rate | ||
| Debt Instrument [Line Items] | ||
| Annual Contractual Interest Rate | 0.50% | 0.50% |
| Recourse Debt | Lines of Credit | Prime Rate | ||
| Debt Instrument [Line Items] | ||
| Annual Contractual Interest Rate | 1.00% | 1.00% |
| Non Recourse Debt | Basis point | Line of Credit | ||
| Debt Instrument [Line Items] | ||
| Annual Contractual Interest Rate | 2.50% | |
| Debt instrument, variable rate periodic increase | 2.75% | |
| Revolving line of credit facility available period | 3 years | |
| Revolving line of credit facility available period increase | 2 years |