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Commitments and Contingencies (Other Commitments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Operating
2022 (remaining nine months)	$ 4,929
2023	6,295
2024	6,178
2025	6,166
2026	142
Thereafter	162
Total undiscounted cash flows	23,872
Present value discount	(2,063)
Lease liabilities	$ 21,809		$ 23,267
Operating leases, weighted average incremental borrowing rate, discount rate (percent)	4.70%
Operating leases, weighted average lease term (in years)	4 years 4 months 24 days
Operating lease payments made	$ 1,700	$ 800
Finance lease payments made	$ 1,300	$ 1,400

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