Commitments and Contingencies (Schedule of Amount, Timing and Uncertainty of Cash Flows from Operating Leases) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Balance Sheet Classification
Operating lease liabilities, current	$ 8,056	$ 7,710
Operating lease liabilities, non-current	$ 47,740	$ 49,970