v3.21.2

Long-term Debt - Additional Information (Details) |  |  |  | 3 Months Ended | 9 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) | Jun. 02, 2021 USD ($) | Dec. 31, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Aug. 31, 2021 USD ($) | Aug. 06, 2021 USD ($) | Aug. 05, 2021 USD ($) | May 07, 2021 | May 06, 2021 | Mar. 08, 2021 USD ($) | Mar. 04, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Change in fair value of interest rate caps |  |  |  |  | $ 1,159,000 | $ 0 |  |  |  |  |  |  |
Interest Rate Cap |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate caps | $ 5,300,000 |  |  | $ 5,300,000 | 5,300,000 |  |  |  |  |  |  |  |
Change in fair value of interest rate caps |  |  |  | 334,000 | 1,200,000 |  |  |  |  |  |  |  |
Interest Rate Cap, Expiration March 2024 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000 |
Interest Rate Cap, Expiration March 2024 | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cap interest rate |  |  |  |  |  |  |  |  |  |  |  | 1.50% |
Interest Rate Cap, Expiration March 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000 |
Interest Rate Cap, Expiration March 2022 | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cap interest rate |  |  |  |  |  |  |  |  |  |  |  | 0.75% |
Interest Rate Cap Member, Expiration March 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000
Interest Rate Cap Member, Expiration March 2026 | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cap interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 2.50%
Interest Rate Cap, Expiration August 2028 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  | $ 100,000,000 |  |  |  |  |  |
Cap interest rate |  |  |  |  |  |  | 3.00% |  |  |  |  |  |
JPM Credit Agreement | JPMorgan Chase Bank, N.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total first lien net leverage ratio, maximum |  |  |  |  |  |  |  |  |  |  | 5.00 |  |
Debt service coverage ratio not longer required subsequent to period end |  |  |  |  |  |  |  |  |  |  | 2.25 |  |
JPM Credit Agreement | JPMorgan Chase Bank, N.A. | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing amount |  |  | $ 800,000,000 |  |  |  |  |  |  |  |  |  |
JPM Credit Agreement | Revolving Credit Facility | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding borrowings | $ 120,000,000 |  |  | $ 120,000,000 | $ 120,000,000 |  |  |  |  |  |  |  |
Interest rate | 2.33% |  |  | 2.33% | 2.33% |  |  |  |  |  |  |  |
Unused borrowing capacity | $ 355,000,000 |  |  | $ 355,000,000 | $ 355,000,000 |  |  |  |  |  |  |  |
JPM Credit Agreement | Revolving Credit Facility | JPMorgan Chase Bank, N.A. | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing amount | 400,000,000 |  |  | $ 400,000,000 | $ 400,000,000 |  |  | $ 475,000,000 | $ 400,000,000 |  |  |  |
Commitment fee percent | $ 0.0030 |  |  |  |  |  |  |  |  |  |  |  |
JPM Credit Agreement | Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | JPMorgan Chase Bank, N.A. | Line of Credit | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 3.00% |  |  |  |  |  |  |  |
JPM Credit Agreement | Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | JPMorgan Chase Bank, N.A. | Line of Credit | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 2.00% |  |  |  |  |  |  |  |
JPM Credit Agreement | Secured Debt | JPMorgan Chase Bank, N.A. | Medium-term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing amount |  |  | $ 400,000,000 |  |  |  |  |  |  |  |  |  |
JPM Credit Agreement | Secured Debt | London Interbank Offered Rate (LIBOR) | JPMorgan Chase Bank, N.A. | Medium-term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 4.00% |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate, floor |  |  | 0.75% |  |  |  |  |  |  |  |  |  |
Credit Agreement May 2021 | JPMorgan Chase Bank, N.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total first lien net leverage ratio, maximum |  |  |  |  |  |  |  |  |  | 6.00 |  |  |
Credit Agreement June 2021 Amendment | Secured Debt | JPMorgan Chase Bank, N.A. | Medium-term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing amount |  | $ 500,000,000 |  |  |  |  |  |  |  |  |  |  |
Interest rate during period |  | 4.00% |  |  |  |  |  |  |  |  |  |  |
Credit Agreement June 2021 Amendment | Secured Debt | London Interbank Offered Rate (LIBOR) | JPMorgan Chase Bank, N.A. | Medium-term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 3.50% |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate, floor |  | 0.50% |  |  |  |  |  |  |  |  |  |  |

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