Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Narrative (Details)

v3.20.1
Derivatives - Narrative (Details)
3 Months Ended
Apr. 30, 2019
USD ($)
Mar. 31, 2020
USD ($)
interest_rate_swap
Mar. 31, 2019
USD ($)
Nov. 30, 2019
USD ($)
Aug. 31, 2019
USD ($)
Derivative Instruments, Gain (Loss) [Line Items]          
Unrealized loss on derivatives   $ 0 $ 7,773,000    
Takeback Loan Facility Due March 2024 | Takeback Loan Facility          
Derivative Instruments, Gain (Loss) [Line Items]          
Debt instrument, face amount   $ 818,388,000   $ 750,000,000 $ 822,500,000
Interest Rate Swap          
Derivative Instruments, Gain (Loss) [Line Items]          
Termination amount $ 8,767,000        
Realized loss on derivatives 2,227,000        
Derivatives outstanding | interest_rate_swap   0      
Interest Rate Swap | Cash flow hedge          
Derivative Instruments, Gain (Loss) [Line Items]          
Interest cost of interest rate cap reclassified into Net loss   $ 184,000 $ 0    
Interest Rate Swap | Counterparty          
Derivative Instruments, Gain (Loss) [Line Items]          
Termination amount $ 6,540,000        
Interest Rate Cap | Cash flow hedge          
Derivative Instruments, Gain (Loss) [Line Items]          
Interest rate swap agreements - assets   962,000   $ 3,020,000  
Interest cost of interest rate cap reclassified into Net loss   184,000      
Amount expected to be reclassified from accumulated other comprehensive income into interest expense during the next twelve months   $ 737,000