Leases - Maturity (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Finance leases
July 1 to December 31, 2019	$ 463
2020	925
2021	925
2022	925
2023	925
Thereafter	3,923
Total undiscounted lease payments	8,086
Less imputed interest	(1,386)
Total lease liabilities	6,700
Operating leases
July 1 to December 31, 2019	1,479
2020	2,003
2021	1,928
2022	1,646
2023	1,606
Thereafter	48,437
Total undiscounted lease payments	57,099
Less imputed interest	(33,394)
Total lease liabilities	23,705
Total
July 1 to December 31, 2019	1,942
2020	2,928
2021	2,853
2022	2,571
2023	2,531
Thereafter	52,360
Total undiscounted lease payments	65,185
Less imputed interest	(34,780)
Total lease liabilities	$ 30,405