Commitments and Contingencies - Receivable Purchase Agreement (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021
Commitments and Contingencies
Maximum amount of trade receivables to be sold under agreement	$ 15.0
Receivables sold	11.6
Receivables sold remaining outstanding	$ 5.9
Amount of trade receivables available to be sold under agreement		$ 15.0