Commitments and Contingencies - Litigation (Details) - USD ($) $ in Thousands		12 Months Ended
	Aug. 07, 2019	Dec. 31, 2020	Dec. 31, 2019
Loss Contingencies [Line Items]
Settlement Expense, net of Reimbursement		$ 0	$ 430
Settlement agreement
Loss Contingencies [Line Items]
Litigation settlement amount	$ 3,700
Settlement Expense, net of Reimbursement		$ 100