Quarterly report pursuant to Section 13 or 15(d)

Investments - Additional Information (Detail)

v3.5.0.2
Investments - Additional Information (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2016
USD ($)
Schedule of Cost-method Investments [Line Items]  
Purchase of investments $ 10,020
Colorado Corporation [Member]  
Schedule of Cost-method Investments [Line Items]  
Cost method investment, ownership percentage 10.00%
Purchase of investments $ 10,000