Debt - Additional Information (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Aug. 21, 2014 |
Jun. 30, 2021 |
Feb. 28, 2021 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Feb. 29, 2020 |
Sep. 30, 2021 |
Mar. 31, 2021 |
Sep. 30, 2020 |
Mar. 31, 2020 |
Jun. 30, 2021 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
|
| Debt Instrument [Line Items] | ||||||||||||||
| Unamortized deferred financing costs | $ 3,666 | $ 3,666 | $ 7,494 | |||||||||||
| Accumulated amortization of deferred financing costs | 2,508 | 2,508 | $ 3,057 | |||||||||||
| Amortization of deferred financing costs | $ 200 | $ 414 | $ 898 | $ 1,241 | ||||||||||
| Long-term Debt, Description | Under the Credit Agreement and with respect to the First Lien Term Loan, the Company had the option of selecting either (i) a Base Rate interest rate plus fixed margin of 2.25% or (ii) a Eurodollar (LIBOR) interest rate for one, two, three or six months plus a fixed margin of 3.25%. | |||||||||||||
| Debt Instrument, Periodic Payment, Principal | $ 2,000 | $ 2,100 | ||||||||||||
| Debt Instrument, Interest Rate, Effective Percentage | 3.08% | 3.08% | 3.40% | |||||||||||
| Gain (Loss) on Extinguishment of Debt | $ (1,037) | $ (3,183) | (1,918) | |||||||||||
| Proceeds from debt borrowings | $ 0 | $ 45,625 | ||||||||||||
| Delayed Draw Facility Utilized Amount | 40,000 | |||||||||||||
| Repayments of Long-term Debt | 190,400 | |||||||||||||
| Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.25% | 0.50% | ||||||||||||
| Long Term Debt Noncurrent | 601,723 | $ 601,723 | $ 1,054,820 | |||||||||||
| Standby Letters of Credit | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Letter of Credit, Expiration | Any letter of credit issued under the Credit Agreement has an expiration date which is the earlier of (i) no later than 12 months from the date of issuance or (ii) five business days prior to the maturity date of the Revolving Commitment, as amended under Amendment No. 2 to Amended and Restated First Lien Credit Agreement | |||||||||||||
| Letters of Credit Outstanding, Amount | 306 | $ 306 | $ 469 | |||||||||||
| Standby Letters of Credit | 10,000 | 10,000 | ||||||||||||
| Minimum | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 2.50% | |||||||||||||
| Maximum | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 3.00% | |||||||||||||
| Delayed Draw Facility | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Proceeds from debt borrowings | $ 10,000 | $ 30,000 | ||||||||||||
| First Lien Term Loan | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Long-term Debt, Description | The Amended First Lien Credit Agreement changed the interest rate spreads associated with the First Lien Credit Agreement where (i) the variable margin associated with the Base Rate interest rate plus a variable margin based on the Company’s First Lien Net Leverage Ratio changed from 2.25% to 2.50% to 2.00% to 2.25% and (ii) the variable margin associated with the Eurodollar Rate interest rate for one, two, three or six months plus a variable margin based on the Company’s First Lien Net Leverage Ratio changed from 3.25% to 3.50% to 3.00% to 3.25%. | |||||||||||||
| Gain (Loss) on Extinguishment of Debt | (1,918) | |||||||||||||
| First Lien Term Loan | Line of Credit | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Revolving Commitment | 150,000 | $ 150,000 | ||||||||||||
| Second Lien Credit Agreement | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Gain (Loss) on Extinguishment of Debt | $ (2,059) | |||||||||||||
| Proceeds from debt borrowings | $ 6,142 | $ 5,906 | ||||||||||||
| Repayments of Long-term Debt | 242,673 | |||||||||||||
| Debt Instrument, Interest Rate During Period | 10.00% | |||||||||||||
| Long Term Debt Noncurrent | $ 5,625 | $ 5,625 | ||||||||||||
| Accrued Interest Expense | 6,050 | |||||||||||||
| Revolving Credit Facility [Member] | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Long-term Debt, Description | Under the Credit Agreement and with respect to the Revolving Commitment, the Company had the option of selecting either (i) a Base Rate interest rate plus a variable margin of 2.50% to 3.00%, based on the Company’s First Lien Net Debt Leverage Ratio, or (ii) a Eurodollar (LIBOR) interest rate for one, two, three or six months plus a variable margin of 3.50% to 4.00%, based on the Company’s First Lien Net Leverage Ratio. | |||||||||||||
| Gain (Loss) on Extinguishment of Debt | (87) | |||||||||||||
| Maximum Available Borrowing Capacity | 149,694 | $ 149,694 | $ 74,531 | |||||||||||
| Revolving Commitment | $ 9,694 | $ 9,694 | $ 9,531 | |||||||||||
| Revolving Credit Facility [Member] | Minimum | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Maximum Available Borrowing Capacity | 75,000 | 75,000 | ||||||||||||
| Revolving Credit Facility [Member] | Maximum | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Maximum Available Borrowing Capacity | $ 150,000 | $ 150,000 | ||||||||||||
| London Interbank Offered Rate (LIBOR) | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 2.25% | |||||||||||||
| LIBOR Margin | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 3.25% | |||||||||||||
| Eurodollar | Minimum | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 3.50% | |||||||||||||
| Eurodollar | Maximum | ||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 4.00% | |||||||||||||