Related Party Transactions - Additional Information (Details) - USD ($)						1 Months Ended		3 Months Ended			9 Months Ended		12 Months Ended	16 Months Ended
	Mar. 13, 2019	Mar. 07, 2019	Feb. 26, 2019	Nov. 29, 2017	Nov. 21, 2017	Apr. 30, 2019	Jan. 31, 2018	Sep. 30, 2020	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Mar. 13, 2019
Related Party Transaction [Line Items]
Maximum period to complete initial business combination											24 months
Aggregate amount private placement												$ 7,000,000
Advances from related party											$ 137,078	167,046
Notes payable amended date											Nov. 06, 2018
Repayment of loans from related party	$ 300,000										$ 220,707	118,323
Administrative expenses paid by related party								$ 591,835			591,835		$ 454,757
Advance from related party								$ 38,065			38,065		121,694
Administrative Expenses
Related Party Transaction [Line Items]
Repayment of loans from related party											$ 553,770		$ 333,063
Maximum
Related Party Transaction [Line Items]
Advances from related party					$ 300,000
Class A | Common Stock
Related Party Transaction [Line Items]
Sale of units in initial public offering, Shares										25,000,000
Founder Shares
Related Party Transaction [Line Items]
Proceeds from issuance of common stock														$ 25,000
Holding period of shares for completion of initial business combination				1 year
Number of trading period for transfer of shares				20 days
Number of consecutive trading period for transfer of shares				30 days
Founder Shares | Common Stock
Related Party Transaction [Line Items]
Stock price threshold that allows transfer of shares				$ 12.00
Founder Shares | Minimum
Related Party Transaction [Line Items]
Period after initial business combination to allow transfer of shares				150 days
Founder Shares | Class F
Related Party Transaction [Line Items]
Sale of units in initial public offering, Shares				8,625,000
Proceeds from issuance of common stock				$ 25,000
Number of shares surrendered							1,437,500
Shares outstanding				7,187,500
Shares subject to forfeiture to the extent that over-allotment option is not exercised by the underwriters				937,500
Founder Shares | Class F | Option
Related Party Transaction [Line Items]
Shares outstanding								6,250,000			6,250,000		6,250,000
Forfeiture of shares								937,500			937,500		937,500
Sponsor
Related Party Transaction [Line Items]
Advances from related party														$ 118,323
Monthly expense for office space, utilities, administrative and support services to affiliate		$ 10,000
Sponsor | Accounts Payable and Accrued Expenses
Related Party Transaction [Line Items]
General and administrative expenses payable								$ 30,000	$ 30,000		$ 30,000	30,000
Sponsor | General and Administrative Expense
Related Party Transaction [Line Items]
General and administrative expenses incurred								$ 30,000	$ 30,000		$ 90,000	$ 68,065
Sponsor | Private Placement
Related Party Transaction [Line Items]
Warrants to purchase an aggregate shares								7,000,000			7,000,000
Warrants price per warrant								$ 1.00			$ 1.00
Proceeds of private placement warrants											$ 5,000,000
Maximum period to complete initial business combination											24 months
Option to purchase additional warrants expired						750,000
Sponsor | IPO and Private Placement
Related Party Transaction [Line Items]
Amount held in trust account											$ 250,000,000
Sponsor | Class A | Private Placement
Related Party Transaction [Line Items]
Warrants price per warrant								$ 11.50			$ 11.50
Crescent | Forward Purchase Agreement
Related Party Transaction [Line Items]
Number of forward purchase units			5,000,000
Forward purchase units description											One share of the Company?s Class?A common stock (such shares of Class A common stock to be issued pursuant to the Forward Purchase Agreement, the ?Forward Purchase Shares?) and one-third of one warrant to purchase one share of the Company?s Class?A common stock (such warrants to be issued pursuant to the Forward Purchase Agreement
Crescent | Forward Purchase Warrants | Forward Purchase Agreement
Related Party Transaction [Line Items]
Warrants price per warrant			$ 10.00
Aggregate amount private placement			$ 50,000,000