UNAUDITED CONDENSED INTERIM STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flows from Operating Activities:
Net income	$ 825,598	$ 220,333
Adjustments to reconcile net income to net cash used in operating activities:
Interest income in cash and marketable securities held in Trust Account	(1,463,086)	(364,909)
Changes in operating assets and liabilities:
Prepaid expenses	(4,183)	(199,375)
Accounts payable	(24,335)	(58,865)
Accrued expenses	126,719	(51,563)
Accrued expenses - related parties		2,143
Franchise tax payable	(108,190)
Income tax payable	286,890	72,049
Net cash used in operating activities	(360,587)	(380,187)
Cash Flows from Investing Activities
Principal deposited in Trust Account		(250,000,000)
Interest released from Trust Account	158,255
Net cash provided by (used in) investing activities	158,255	(250,000,000)
Cash Flows from Financing Activities:
Proceeds from notes payable to related parties		96,291
Repayment of notes payable to related parties		(270,531)
Proceeds received from initial public offering		250,000,000
Payment of offering costs		(4,994,717)
Proceeds received from private placement		6,500,000
Net cash provided by financing activities		251,331,043
Net change in cash	(202,332)	950,856
Cash - beginning of the period	947,098	119,821
Cash - end of the period	744,766	1,070,677
Supplemental disclosure of noncash investing and financing activities:
Deferred underwriting commissions charged to equity in connection with the initial public offering		7,875,000
Deferred offering costs charged to equity upon completion of the initial public offering		190,795
Value of common stock subject to possible redemption		238,497,140
Change in value of common stock subject to possible redemption	$ 825,600	$ 186,980