Statements of Operations (Parenthetical) - USD ($)	8 Months Ended	12 Months Ended
Dec. 31, 2017	Dec. 31, 2018
Income Statement [Abstract]
Aggregate of shares subject to redemption	31,398,875	30,961,528
Net loss per common share - basic and diluted excludes interest income attributable to common stock subject to redemption	$ 538,237	$ 4,773,466

Amount of decrease to net income for accretion of temporary equity to its redemption value to derive net income apportioned to common stockholders.

No definition available.

Name:	us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration