Annual report pursuant to Section 13 and 15(d)

Equity Method Investments in Affiliate - Additional Information (Detail)

v3.3.1.900
Equity Method Investments in Affiliate - Additional Information (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Schedule of Equity Method Investments [Line Items]  
Gain (loss) from equity method investments in affiliates $ (98)
Strong Upwind Holdings LLC [Member]  
Schedule of Equity Method Investments [Line Items]  
Gain (loss) from equity method investments in affiliates $ (100)