Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.21.2
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Carrying Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instruments $ 1,031,057 $ 1,036,714
Carrying Value | Line of Credit | First Lien Term Loan Facility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instruments 807,529 813,361
Carrying Value | Line of Credit | Second Lien Term Loan Facility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instruments 213,528 213,353
Carrying Value | Line of Credit | Revolving Credit Facility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instruments 10,000 10,000
Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instruments 1,013,425 954,908
Fair Value | Line of Credit | First Lien Term Loan Facility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instruments 800,972 784,894
Fair Value | Line of Credit | Second Lien Term Loan Facility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instruments 202,453 160,014
Fair Value | Line of Credit | Revolving Credit Facility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instruments $ 10,000 $ 10,000