|
Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended |
|---|---|
|
Mar. 31, 2014
|
|
| Commitments and Contingencies Disclosure [Abstract] | |
| Total commitments | $ 16.9 |
| Total commitments relating to future acquisitions | 14.1 |
| Contingently liable amount of debt owed by tenant | $ 5.7 |