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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of intangible assets $ 12,501 $ 1,683 $ 1,683
Amortization income from unfavorable lease commitments $ 177