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Leases Other Lease (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Jan. 01, 2019
Lessee, Lease, Description [Line Items]        
Operating cash flows used for finance leases $ 19 $ 20    
Operating cash flows used for operating leases 6,902 7,288    
Financing cash flows used for finance leases 56 58    
Right-of-use assets obtained in exchange for new finance lease liabilities 0 55    
Finance lease, right-of-use asset 440   $ 505  
Right-of-use assets recorded upon adoption $ 4,322 $ 4,100    
Weighted average remaining lease term - finance leases 3 years 2 months 12 days 4 years    
Weighted average discount rate - finance leases 6.60% 6.69%    
Weighted average remaining lease term - operating leases 3 years 2 months 12 days 2 years 10 months 24 days    
Weighted average discount rate - operating leases 5.68% 5.50%    
Accounting Standards Update 2016-02        
Lessee, Lease, Description [Line Items]        
Finance lease, right-of-use asset       $ 35,939