Other Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019		Mar. 31, 2018	Jan. 01, 2019	Dec. 31, 2018	[1]
Other Assets [Abstract]
Depreciation of Capitalized Sales and Marketing	$ 2,600		$ 900
Property and Equipment Depreciation	100		$ 100
Right of use lease asset	$ 2,755	[1]		$ 3,100	$ 0

[1] In conjunction with the adoption of ASC 842 the Company established a right-of-use asset of $3.1 million on January 1, 2019. For more information, please refer to Note