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Leases (Tables)
 12 Months Ended
Dec. 31, 2020
Leases [Abstract]  
Lease, Cost [Table Text Block] The components of operating lease expense were as follows (in thousands):
Year Ended December 31, 2020Year Ended December 31, 2019
Operating lease cost$11,632 $10,109 
Variable lease cost1,717 1,810 
Sublease income(375)(332)
Total lease cost
$12,974 $11,587 
Supplemental Cash Flow Information Related to Leases [Table Text Block] Supplemental information related to leases was as follows (in thousands):
Year Ended December 31, 2020Year Ended December 31, 2019
Cash paid for amounts included in the measurement of lease liability:
Cash paid for operating lease liabilities$7,562 $5,883 
Right-of-use asset obtained in exchange for operating lease liability (1)$12,599 $34,418 
(1) For the year ended December 31, 2019, the balance included $26.9 million for operating leases existing on January 1, 2019 upon adoption of ASU 842.
Supplemental Balance Sheet Information Related to Leases [Table Text Block]
December 31, 2020December 31, 2019
Weighted average remaining lease term:
Operating leases
8.6 years7.1 years
Weighted average discount rate:
Operating leases
7.12 %7.26 %
Lessee, Operating Lease, Liability, Maturity [Table Text Block] As of December 31, 2020, maturities of lease liabilities were as follows (in thousands):
Year Ending December 31,Amount
2021$9,580 
202210,374 
202311,378 
20245,418 
20254,265 
2026 and thereafter31,867 
Total operating lease payments72,882 
Less: Imputed interest(21,461)
Less: Anticipated lease incentive(1,385)
Total operating lease liabilities$50,036