Annual report pursuant to Section 13 and 15(d)

Trust Account and Fair Value Measurement (Details)

v3.19.3.a.u2
Trust Account and Fair Value Measurement (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Assets:    
Carrying value $ 302,529,000 $ 304,035,000
Gross Unrealized Holding Gain   (7,000)
Quoted Price Prices in Active Markets (Level 1) [Member]    
Assets:    
Carrying value   304,028,000
Cash and money market [Member]    
Assets:    
Carrying value 302,529,000 1,000
Gross Unrealized Holding Gain
Cash and money market [Member] | Quoted Price Prices in Active Markets (Level 1) [Member]    
Assets:    
Carrying value $ 302,529,000 1,000
U.S. government treasury bills [Member]    
Assets:    
Carrying value   304,034,000
Gross Unrealized Holding Gain   (7,000)
U.S. government treasury bills [Member] | Quoted Price Prices in Active Markets (Level 1) [Member]    
Assets:    
Carrying value   $ 304,027,000