Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Summary of Intangible Assets (Detail)

v3.5.0.2
Intangible Assets, Net - Summary of Intangible Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Cost, beginning balance     $ 25,027 $ 19,223 $ 19,223
Acquisition of Jamison         5,804
Cost, ending balance $ 25,027   25,027   25,027
Accumulated amortization, beginning balance     (9,696) (8,056) (8,056)
Amortization expense (486) $ (323) (972) (646) (1,640)
Accumulated amortization, ending balance (10,668)   (10,668)   (9,696)
Net book value 14,359   $ 14,359   15,331
Minimum          
Useful lives     3 years    
Maximum          
Useful lives     20 years    
Customer Relationships          
Cost, beginning balance     $ 22,560 17,560 17,560
Acquisition of Jamison         5,000
Cost, ending balance 22,560   22,560   22,560
Accumulated amortization, beginning balance     (8,062) (6,627) (6,627)
Amortization expense     (830)   (1,435)
Accumulated amortization, ending balance (8,892)   (8,892)   (8,062)
Net book value 13,668   $ 13,668   $ 14,498
Customer Relationships | Minimum          
Useful lives     10 years   10 years
Customer Relationships | Maximum          
Useful lives     20 years   20 years
Other Intangible Assets          
Cost, beginning balance     $ 2,467 1,663 $ 1,663
Acquisition of Jamison         804
Cost, ending balance 2,467   2,467   2,467
Accumulated amortization, beginning balance     (1,634) $ (1,429) (1,429)
Amortization expense     (142)   (205)
Accumulated amortization, ending balance (1,776)   (1,776)   (1,634)
Net book value $ 691   $ 691   $ 833
Other Intangible Assets | Minimum          
Useful lives     3 years   3 years
Other Intangible Assets | Maximum          
Useful lives     5 years   5 years