Risks and Uncertainties (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Aug. 15, 2018	Jul. 27, 2018	Aug. 15, 2018	Dec. 31, 2018	Dec. 31, 2017
Risks and Uncertainties [Abstract]
Working capital				$ 41,249
Initial public offering [Abstract]
Share price (in dollars per share)				$ 15.00
Net cash proceeds from initial public offering			$ 63,482	$ 68,714	$ 0
Initial Public Offering [Member]
Initial public offering [Abstract]
Number of common shares issued (in shares)		4,500,000
Share price (in dollars per share)		$ 15.00
Net cash proceeds from initial public offering		$ 57,543
Over-Allotment Option [Member]
Initial public offering [Abstract]
Number of common shares issued (in shares)	425,727		425,727
Share price (in dollars per share)	$ 15.00		$ 15.00
Net cash proceeds from initial public offering	$ 5,939