Quarterly report pursuant to Section 13 or 15(d)

Other Comprehensive Loss - Summary of Reconciliation of Net Loss to Comprehensive Loss (Detail)

v3.7.0.1
Other Comprehensive Loss - Summary of Reconciliation of Net Loss to Comprehensive Loss (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Other Comprehensive Income Loss [Line Items]    
Net loss $ (141,349) $ (7,193)
Other comprehensive income items:    
Unrealized holding loss on securities available-for-sale (60)  
Comprehensive loss $ (141,409) (7,193)
Predecessor [Member]    
Other Comprehensive Income Loss [Line Items]    
Net loss   (481)
Other comprehensive income items:    
Comprehensive loss   $ (481)