Segments - Additional Information (Detail) $ in Millions |
12 Months Ended | |
---|---|---|
Dec. 31, 2015
Segment
|
Dec. 31, 2013
USD ($)
|
|
Segment Reporting [Abstract] | ||
Number of reportable segments | Segment | 2 | |
Management agreement termination fee | $ 25.0 | |
Agreement modification fee | $ 1.5 |