Annual report pursuant to Section 13 and 15(d)

Summary of Principal Components of Net Deferred Income Tax Liability (Detail)

v3.10.0.1
Summary of Principal Components of Net Deferred Income Tax Liability (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]    
Deferred Tax Assets, Operating Loss Carryforwards $ 163,437 $ 127,821
Deferred tax assets:    
Net operating loss (“NOL”) carryforwards 0 37,345
Total net deferred tax assets 44,610 4,943
Deferred income taxes 1,949 4,943
Deferred Tax Liabilities, Property, Plant and Equipment 33,413 0
Deferred Tax Liabilities, Derivatives 9,248 0
Deferred Tax Liabilities, Net $ 42,661 $ 0