Leases (Tables)	12 Months Ended
	Dec. 31, 2021
Leases [Abstract]
Components Of Lease Expense	For the year ended December 31, Amounts in thousands 2021 2020 2019Operating lease expense $ 5,864 $ 5,250 $ 6,443 Finance lease expense: Amortization of right-of-use assets $ 128 $ 165 $ 303Interest on lease liabilities 6 15 44Total finance lease expense $ 134 $ 180 $ 347 Variable lease expense $ 1,290 $ 1,476 $ 3,502
Supplemental Cash Flow Information Related To Leases	For the year ended December 31, Amounts in thousands 2021 2020 2019Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from finance leases $ 6 $ 5 $ 48Operating cash flows from operating leases 5,201 6,355 7062Financing cash flows from finance leases 123 166 364
Supplemental Balance Sheet Information Related To Leases	As of As ofAmounts in thousands December 31, 2021 December 31, 2020Operating leases Leased right-of-use assets, net $ 28,383 $ 34,074 Current portion of operating lease liabilities 3,915 4,327Operating lease liabilities, net of current portion 27,229 32,277Total operating lease liabilities 31,144 36,604 Finance leases Finance lease right-of-use assets, gross 424 552Accumulated depreciation (342) (338)Property and equipment, net 82 214 Current portion of finance lease liabilities 38 131Finance lease liabilities, net of current portion 43 83Total finance lease liabilities 81 214 Weighted-average remaining lease term Operating leases 11.2 years 11.3 yearsFinance leases 2.2 years 2.1 years Weighted-average discount rate Operating leases 4.7% 4.5%Finance leases 4.0% 4.7%
Maturities Of Lease Liabilities	Amounts in thousands Operating Leases Finance Leases2022 $ 5,101 $ 402023 4,528 252024 3,824 202025 2,762 —2026 2,477 —Thereafter 23,435 —Total lease payments 42,127 85Less imputed interest (10,983) (4)Total $ 31,144 $ 81