Annual report pursuant to Section 13 and 15(d)

New Accounting Pronouncements - Additional Information (Detail)

v3.8.0.1
New Accounting Pronouncements - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 01, 2018
ASU 2016-15    
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]    
Reclassification of cash payments recorded in loss on debt amendments and refinancing from operating activities to financing activities $ 9,519  
Maximum | Subsequent Event    
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]    
Cumulative effect of accounting change adjustment in retained earnings   $ 55,000