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Leases (Tables)
9 Months Ended
Sep. 30, 2021
Leases [Abstract]  
Schedule of Supplemental Information Supplemental information related to leases are as follows (dollars in thousands):
September 30, 2021December 31, 2020
Weighted-average remaining lease term of operating leases6.6 years7.2 years
Weighted-average discount rate used to recognize operating lease right-of-use-assets5.4 %5.4 %
Nine Months Ended September 30,
20212020
Operating lease expense$5,738 $6,411 
Cash outflows related to operating leases5,722 5,173 
Schedule of Operating Lease Maturities
As of September 30, 2021, maturities of operating lease liabilities are as follows (in thousands):
Year ending December 31,
Remainder of 2021$1,926 
20227,701 
20238,033 
20247,832 
20258,009 
Thereafter19,407 
Total lease payments (1)
52,908 
Less imputed interest(10,200)
Total$42,708 
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(1)Noncancellable sublease income for the remainder of 2021 and years ending December 31, 2022 and 2023 of $0.3 million, $0.4 million, and $0.4 million, respectively, is not included in the table above.