Commitments and Contingencies (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) item
Debt Instrument [Line Items]
Purchase commitments	$ 2,900
Payments for Deposits	200
Letters of Credit Outstanding, Amount	$ 200
Employment agreement, number of executives | item	6
Employment agreement term	3 years
Employment Agreement, Minimum Annual Cash Compensation	$ 1,900
Employment agreement severance amount	4,900
Letter of Credit
Debt Instrument [Line Items]
Borrowings under Revolving ABL Credit Facility	$ 0