Acquired Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization	$ 122	$ 122
Amortization expense	1,708		$ 1,830
Amortization expense	488
Amortization expense year two	488
Amortization expense year three	488
Expected amortization	$ 366