Goodwill and Other Intangible Assets - Summary of Information Regarding Purchased Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets, Gross Value	$ 240	$ 240
Accumulated Amortization	37	3
Finite-Lived Intangible Assets, Net Carrying Value	203	237
Trade Names [Member]
Finite-Lived Intangible Assets, Gross Value	199	199
Accumulated Amortization	22	2
Finite-Lived Intangible Assets, Net Carrying Value	177	197
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross Value	41	41
Accumulated Amortization	15	1
Finite-Lived Intangible Assets, Net Carrying Value	$ 26	$ 40