Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Accumulated Other Comprehensive Income (Loss) - Summary of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Jan. 01, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Beginning Balance $ (623,775) $ (588,975) $ 68,220 $ 102,736 $ (588,975) $ 102,736  
Adjusted balance at January 1, 2018             $ 80,016
Unrealized gain on derivatives recognized through Accumulated other comprehensive income (loss), net of income tax of $0     5,096 13,668      
Net period Other comprehensive income (472) (468) 5,521 14,406 (940) 19,927  
Ending Balance (678,864) (623,775) (167,695) 68,220 (678,864) (167,695)  
Unrealized gain on derivatives recognized through Accumulated other comprehensive income (loss), tax     0 0      
Accounting Standards Update 2017-12              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Impact of adoption of ASU 2017-12             605
AOCI Attributable to Parent              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Beginning Balance 7,140 7,608 7,636 (7,375) 7,608 (7,375)  
Adjusted balance at January 1, 2018             (6,770)
Net period Other comprehensive income (472) (468) 5,521 14,406      
Ending Balance 6,668 7,140 13,157 7,636 $ 6,668 $ 13,157  
AOCI Attributable to Parent | Accounting Standards Update 2017-12              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Impact of adoption of ASU 2017-12             $ 605
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Reclassifications of unrealized loss on derivatives into Net loss, net of income tax of $0 (472) [1] (468) [1] 425 [2] 738 [2]      
Reclassifications of unrealized loss on derivatives into Net loss, tax $ 0 $ 0 $ 0 $ 0      
[1] Amounts reclassified into Net loss are included in Interest expense on the condensed consolidated statements of operations. See note 7, Derivatives, for further information.
[2] Amounts reclassified into Net loss are included in Interest expense on the condensed consolidated statements of operations.