Initial Public Offering (Details) - USD ($)	May 17, 2018	Sep. 30, 2019	May 14, 2018
Initial Public Offering [Abstract]
Gross proceeds from initial public offering	$ 345,000,000
Offering costs	19,880,231	$ 19,880,231
Underwriting fees	3,450,000
Deferred underwriting fees	15,525,000		$ 15,525,000
Other costs	905,231
Maximum [Member]
Initial Public Offering [Abstract]
Interest on Trust Account that can be held to pay dissolution expenses	$ 100,000
Public Warrant [Member]
Initial Public Offering [Abstract]
Unit price (in dollars per share)	$ 1.00
Private Placement Warrant [Member]
Initial Public Offering [Abstract]
Unit price (in dollars per share)	1.00
Exercise price of warrant (in dollars per share)	$ 11.50
Warrants issued (in shares)	12,350,000
Gross proceeds from issuance of warrants	$ 12,350,000
Class A Common Stock [Member]
Initial Public Offering [Abstract]
Redemption price (in dollars per share)	$ 10.20
Class A Common Stock [Member] \| Private Placement Warrant [Member]
Initial Public Offering [Abstract]
Number of securities called by each warrant (in shares)	1
Initial Public Offering [Member]
Initial Public Offering [Abstract]
Units issued (in shares)	34,500,000
Unit price (in dollars per share)	$ 10.00
Gross proceeds from initial public offering	$ 345,000,000
Net proceeds from Initial Public Offering and Private Placement	$ 351,900,000
Net proceeds from Initial Public Offering and Private Placement per unit (in dollars per unit)	$ 10.20
Initial Public Offering [Member] \| Public Warrant [Member]
Initial Public Offering [Abstract]
Number of securities called by each unit (in shares)	1
Exercise price of warrant (in dollars per share)	$ 11.50
Initial Public Offering [Member] \| Class A Common Stock [Member]
Initial Public Offering [Abstract]
Number of securities called by each unit (in shares)	1
Number of securities called by each warrant (in shares)	1
Over-Allotment Option [Member]
Initial Public Offering [Abstract]
Units issued (in shares)	4,500,000

Trinity Merger Corp. 10-Q