Common and Preferred Stock - Additional Information (Detail) - shares	Jun. 30, 2016	Dec. 31, 2015
Equity [Abstract]
Common stock, shares authorized	5,000	5,000
Common stock, shares issued	5,000	5,000
Common stock, shares outstanding	5,000	5,000
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0