Related Party Transactions - Additional Information (Details) - USD ($) | Mar. 13, 2019 | Mar. 07, 2019 | Feb. 26, 2019 | Nov. 29, 2017 | Nov. 21, 2017 | Apr. 30, 2019 | Jan. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018 |
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 | | | | | | | | | $ 204,320 | $ 267,290 | |
Notes payable amended date | | | | | | | | | Nov. 6, 2018 | | |
Repayment of loans from related party | $ 300,000 | | | | | | | | $ 118,323 | | |
Administrative expenses paid by related party | | | | | | | | $ 85,997 | $ 85,997 | | |
Maximum | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | |
Advances from related party | | | | | $ 300,000 | | | | | | |
Class F | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | |
Common stock, par value | | | | | | | | $ 0.0001 | $ 0.0001 | | $ 0.0001 |
Class F | Common Stock | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | |
Number of shares surrender | | | | | | | | | 1,437,500 | | |
Shares subject to forfeiture to the extent that over-allotment option is not exercised by the underwriters | | | | | | | | 937,500 | 937,500 | | |
Class F | Option | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | |
Forfeiture of shares | | | | | | 937,500 | | | | | |
Class A | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | |
Common stock, par value | | | | | | | | $ 0.0001 | $ 0.0001 | | $ 0.0001 |
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] | | | | | | | | | | | |
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 | | | | | | | |
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 | | | | | | | |
Common stock, par value | | | | $ 0.003 | | | | | | | |
Number of shares surrender | | | | | | | 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 | | |
Forfeiture of shares | | | | | | 937,500 | | | | | |
Sponsor | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | |
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 | | | | | | | | $ 38,064 | $ 38,064 | | |
Sponsor | General and Administrative Expense | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | |
General and administrative expenses incurred | | | | | | | | $ 30,000 | $ 38,064 | | |
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 | $ 1 | | |
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 | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | |
Advances from related party | | | $ 118,323 | | | | | | | | |
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 | | | | | | | | |
Aggregate amount private placement | | | $ 50,000,000 | | | | | | | | |