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Leases - Value of Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Operating Leases
Year one	$ 4,535
Year two	3,841
Year three	2,865
Year four	1,870
Year five	345
Subsequent years	1,265
Total lease payments	14,721
Less: Interest	947
Present value of lease liabilities	13,774
Financing Leases
Year one	166
Year two	114
Year three	39
Year four	14
Year five	0
Subsequent years	0
Total lease payments	333	$ 600
Less: Interest	15
Present value of lease liabilities	318
Total
Year one	4,701
Year two	3,955
Year three	2,904
Year four	1,884
Year five	345
Subsequent years	1,265
Total lease payments	15,054
Less: Interest	962
Present value of lease liabilities	$ 14,092

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