Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	$ 1,487	$ 852
Accumulated amortization	(362)	(242)
Net carrying value	1,125	610
Internet protocol addresses
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	1,448	852
Accumulated amortization	(362)	(242)
Net carrying value	1,086	610
Domain name
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	39	0
Accumulated amortization	0	0
Net carrying value	$ 39	$ 0