Subsequent Events - Additional Information (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Feb. 28, 2022	Dec. 31, 2021
Subsequent Event [Line Items]
Debt instrument, covenant compliance description		In May 2020, in order to maintain compliance under our credit and term loan facilities in future quarters, we amended our credit and term loan facilities to suspend compliance with all existing financial covenants tested through and including March 31, 2021 and to adjust the levels of particular financial covenants after such period.
Earliest date of minimum liquidity covenant		Mar. 31, 2023
Non-recourse debt		$ 350,000,000
Voluntary prepayment maturity date, start year		2022
Voluntary prepayment maturity date, end year		2023
Payments to acquire investments		$ 200,000,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Debt instrument, covenant compliance description	In February 2022, we amended our credit and term loan facilities to extend the waiver period for the testing of the financial covenants to the date the financial statements are delivered for the quarter ended September 30, 2022 (except for the minimum fixed charge coverage ratio, which waiver period for such covenant will end as of the date the financial statements are delivered for the quarter ended June 30, 2022), in each case, unless Park elects an earlier date, and to adjust the required ratio levels of particular financial covenants after such waiver periods.
Minimum liquidity covenant amount	$ 200,000,000
Maximum shares repurchase authorized	250,000,000
Required revolver balance amount for maximum share repurchase	$ 0
Non-recourse debt	500,000,000
Payments to acquire investments	1,000,000,000
Optional line of credit facility, maximum borrowing capacity	1,500,000,000
Potential maximum liquidity covenant amount	300,000,000
Subsequent Event [Member] | Minimum [Member]
Subsequent Event [Line Items]
Revolver balance requiring mandatory repayment	$ 600,000,000