Intangible Assets - Acquired (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Summary of acquired intangible assets
Finite-lived intangible assets	$ 3,408	$ 3,409
Accumulated Amortization	445	407
Intangible assets, net	2,963	3,002
Client relationships
Summary of acquired intangible assets
Finite-lived intangible assets	508	509
Accumulated Amortization	445	407
Engineering license
Summary of acquired intangible assets
Indefinite-lived intangible assets	2,900	2,900
Accumulated Amortization	$ 0	$ 0