Business Combination (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 02, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	May 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill		$ 162,574		$ 162,574			$ 145,909
Intangible assets	$ 5,131
Merger expenses		331		$ 7,893
Restricted stock issued	$ 56,025
GHB acquisition [Member]
Business Acquisition [Line Items]
Common stock received				$ 0.245
Goodwill		10,300		$ 10,300
Intangible assets		5,100		5,100
Merger expenses		0		7,600
Boefly [Member]
Business Acquisition [Line Items]
Goodwill						$ 6,300
Merger expenses		$ 300		$ 300