Fair Value Measurements and Derivatives (as restated) - Summary of Carrying Amounts and Estimated Fair Values of the Company's Long-term Debt (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Carrying Value [Member]
Debt Instrument [Line Items]
Total debt	$ 234,457
Estimated Fair Value [Member]
Debt Instrument [Line Items]
Total debt	216,190
First Lien Term Loan Facility [Member] | Carrying Value [Member]
Debt Instrument [Line Items]
Total debt	202,457
First Lien Term Loan Facility [Member] | Estimated Fair Value [Member]
Debt Instrument [Line Items]
Total debt	188,560
Second Lien Term Loan Facility [Member] | Carrying Value [Member]
Debt Instrument [Line Items]
Total debt	25,000
Second Lien Term Loan Facility [Member] | Estimated Fair Value [Member]
Debt Instrument [Line Items]
Total debt	20,950
Term Credit Agreement [Member] | Carrying Value [Member]
Debt Instrument [Line Items]
Total debt	7,000
Term Credit Agreement [Member] | Estimated Fair Value [Member]
Debt Instrument [Line Items]
Total debt	$ 6,680