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Leases - Lease Term And Discount Rate And Cash Flow Information (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
USD ($)
Leases  
Weighted average remaining lease term - operating leases 6 years 6 months
Weighted average remaining lease term - finance leases 22 years 3 months 18 days
Weighted average discount rate - operating leases (as a percent) 5.50%
Weighted average discount rate - finance leases (as a percent) 6.00%
Cash paid for amounts included in the measurement of lease liabilities - Operating cash flows from operating leases $ 2,134
Right-of-use asset obtained in exchange for lease obligations: Operating leases 17,474
Right-of-use asset obtained in exchange for lease obligations: Finance leases $ 55,870