Commitments and Contingencies - Additional Information (Detail) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2015
USD ($)
Lease
|
Jun. 30, 2014
USD ($)
|
Jun. 30, 2015
USD ($)
Lease
|
Jun. 30, 2014
USD ($)
|
|
| Commitments and Contingencies Disclosure [Abstract] | ||||
| Number of leases | 4 | 4 | ||
| Expenses incurred for the properties listed | $ | $ 0.1 | $ 0.1 | $ 0.2 | $ 0.2 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No definition available.
|
| X | ||||||||||
- Definition Number of separate real estate development properties located on land subject to ground leases. No definition available.
|