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Leases - Schedule of Lease Cost (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2019
USD ($)
Finance lease cost:    
Amortization of right-of-use assets $ 565 $ 1,603
Interest on lease liabilities 978 2,755
Subtotal 1,543 4,358
Operating lease cost 1,394 3,037
Variable lease cost 62 119
Total lease cost $ 2,999 $ 7,514
Weighted-average remaining lease term - finance leases (years) 42 years 10 months 24 days 42 years 10 months 24 days
Weighted-average remaining lease term - operating leases (years) 33 years 8 months 12 days 33 years 8 months 12 days
Weighted-average discount rate - finance leases 4.50% 4.50%
Weighted-average discount rate - operating leases 5.80% 5.80%