Investment Held in Trust Account (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Cash and Cash Equivalents [Line Items]
Investment held in trust account, carrying value	$ 207,425,293	$ 206,785,848
Gross Unrealized Holding Loss	(40,545)	(70,639)
Investment held in trust account, fair value	207,384,748	206,715,209
U.S. Money Market [Member]
Cash and Cash Equivalents [Line Items]
Investment held in trust account, carrying value	8,940	8,940
Gross Unrealized Holding Loss
Investment held in trust account, fair value	8,940	8,940
U.S. Treasury Securities [Member]
Cash and Cash Equivalents [Line Items]
Investment held in trust account, carrying value	207,403,682	206,776,908
Gross Unrealized Holding Loss	(40,545)	(70,639)
Investment held in trust account, fair value	207,363,137	$ 206,706,269
Cash [Member]
Cash and Cash Equivalents [Line Items]
Investment held in trust account, carrying value	12,671
Investment held in trust account, fair value	$ 12,671