Annual report pursuant to Section 13 and 15(d)

Stockholder's Equity - Roll Forward Activity (Details)

v3.19.1
Stockholder's Equity - Roll Forward Activity (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jan. 01, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance $ 102,736,000 $ 214,945,000 $ 201,065,000  
Adjusted balance at January 1, 2018       $ 80,016,000
Unrealized gain (loss) on derivatives recognized through Accumulated other comprehensive income (loss), net of income tax of $0 12,882,000 (3,842,000) (2,673,000)  
Reclassifications of unrealized loss on derivatives into Net loss, net of income tax of $0 1,496,000 5,424,000 7,262,000  
Net current period other comprehensive income (loss) 14,378,000 1,582,000 4,589,000  
Ending Balance (588,975,000) 102,736,000 214,945,000  
Unrealized gain (loss) on derivatives recognized through Accumulated other comprehensive income (loss), income tax 0 0 0  
Reclassifications of unrealized loss on derivatives into Net loss, income tax 0 0 0  
Impact of adoption of ASU 2017-12        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Impact of adopting ASU       605,000
Accumulated Other Comprehensive Income (Loss)        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning Balance (7,375,000) (8,957,000) (13,546,000)  
Adjusted balance at January 1, 2018       (6,770,000)
Net current period other comprehensive income (loss) 14,378,000 1,582,000 4,589,000  
Ending Balance $ 7,608,000 $ (7,375,000) $ (8,957,000)  
Accumulated Other Comprehensive Income (Loss) | Impact of adoption of ASU 2017-12        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Impact of adopting ASU       $ 605,000