Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 215	$ 215	$ 644	$ 644
Expected amortization, remainder of fiscal year	859		859
Amortization expense, next rolling twelve months	540		540
Amortization expense, rolling year two	540		540
Amortization expense, rolling year three	498		498
Amortization expense, rolling year four	$ 490		$ 490
Customer lists | Minimum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life			7 years
Customer lists | Maximum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life			10 years
Patents
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life			18 years
Software | Minimum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life			3 years
Software | Maximum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life			7 years
Trade Name
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life			20 years
Other
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life			15 years