STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)		Ordinary Shares [Member]		Additional Paid-in Capital [Member]	Accumulated Earnings (Deficit) [Member]	Total
Balance at beginning at Dec. 31, 2016					$ (9,502)	$ (9,502)
Balance at beginning (in shares) at Dec. 31, 2016	[1]	1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cancellation of ordinary shares to director (in shares)	[1]	(1)
Issuance of ordinary shares to Initial Shareholders		$ 431	[1]	$ 24,569		25,000
Issuance of ordinary shares to Initial Shareholders (in shares)	[1]	4,312,500
Issuance of Additional Ordinary Shares to Initial Shareholders on October 25, 2017		$ 86	[1]	5,952		6,038
Issuance of Additional Ordinary Shares to Initial Shareholders on October 25, 2017 (in shares)	[1]	862,500
Sale of 18,000,000 Units on October 30, 2017 through public offering		$ 1,800	[1]	179,998,200		180,000,000
Sale of 18,000,000 Units on October 30, 2017 through public offering (in shares)	[1]	18,000,000
Sale of 475,000 Private Placement Units on October 30, 2017		$ 48	[1]	4,749,952		4,750,000
Sale of 475,000 Private Placement Units on October 30, 2017 (in shares)	[1]	475,000
Sale of Over-Allotment units to underwriters on November 3, 2017		$ 264	[1]	26,362,666		26,362,930
Sale of Over-Allotment units to underwriters on November 3, 2017 (in shares)	[1]	2,636,293
Sale of Private Placement Units on November 3, 2017		$ 5	[1]	527,255		527,260
Sale of Private Placement Units on November 3, 2017 (in shares)	[1]	52,726
Underwriters' discount				(4,127,260)		(4,127,260)
Other offering expenses				(4,152,726)		(4,152,726)
Proceed from sale of underwriter's unit purchase option				100		100
Fair value of underwriter's unit purchase option				3,271,400		3,271,400
Forfeited insider shares in connection of exercise of over-allotment		$ (2)	[1]	2
Forfeited insider shares in connection of exercise of over-allotment (in shares)	[1]	(15,927)
Reclassification of ordinary shares subject to possible conversion		$ (2,020)	[1]	(201,988,460)		(201,990,480)
Reclassification of ordinary shares subject to possible conversion (in shares)	[1]	(20,199,048)
Net income					337,250	337,250
Balance at ending at Dec. 31, 2017		$ 612	[1]	4,671,650	327,748	5,000,010
Balance at ending (in shares) at Dec. 31, 2017	[1]	6,124,044
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification of ordinary shares subject to possible conversion		$ (22)	[1]	(2,257,278)		(2,257,300)
Reclassification of ordinary shares subject to possible conversion (in shares)	[1]	(225,730)
Net income					2,257,292	2,257,292
Balance at ending at Dec. 31, 2018		$ 590	[1]	$ 2,414,372	$ 2,585,040	$ 5,000,002
Balance at ending (in shares) at Dec. 31, 2018	[1]	5,898,314

[1] This number excludes 20,424,778 and 20,199,048 ordinary shares subject to possible redemption at December 31, 2018 and 2017, respectively.