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Leases - Schedule of Lease Cost (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Finance lease cost:  
Amortization of right-of-use assets $ 496
Interest on lease liabilities 843
Subtotal 1,339
Operating lease cost 536
Variable lease cost 32
Total lease cost $ 1,907
Weighted-average remaining lease term - finance leases (years) 47 years 4 months 24 days
Weighted-average remaining lease term - operating leases (years) 8 years 4 months 24 days
Weighted-average discount rate - finance leases 4.40%
Weighted-average discount rate - operating leases 5.00%