Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) - Summary of Accumulated Other Comprehensive Income (Loss) (Details)

v3.10.0.1
Accumulated Other Comprehensive Income (Loss) - Summary of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Beginning Balance $ (167,695) $ 68,220 $ 102,736   $ 102,736    
Adjusted balance at January 1, 2018             $ 80,016
Total other comprehensive income (loss), net of tax 3,269 5,521 14,406 $ 227 23,196 $ (4,501)  
Ending Balance (202,907) (167,695) 68,220   (202,907)    
Unrealized loss on derivatives recognized through Accumulated other comprehensive loss, tax 0 0 0        
Reclassifications of unrealized loss on derivatives into net income, tax 0 0 0        
AOCI Attributable to Parent              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Beginning Balance 13,157 7,636 (7,375)   (7,375)    
Adjusted balance at January 1, 2018             (6,770)
Total other comprehensive income (loss), net of tax 3,269 5,521 14,406        
Ending Balance 16,426 13,157 7,636   $ 16,426    
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Unrealized gain on derivatives recognized through Accumulated other comprehensive income (loss), net of income tax of $0 3,165 5,096 13,668        
Reclassifications of unrealized loss on derivatives into Net loss, net of income tax of $0 [1] $ 104 $ 425 $ 738        
Accounting Standards Update 2017-12 | AOCI Attributable to Parent              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Impact of adoption of ASU 2017-12             605
New Accounting Pronouncement, Early Adoption, Effect | Accounting Standards Update 2017-12 | AOCI Attributable to Parent              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Impact of adoption of ASU 2017-12             $ 605
[1] Amounts reclassified into net loss are included in Interest expense on the condensed consolidated statement of operations. See note 8, Derivatives, for further information.