Leases - Summary of minimum future rental payments required (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Operating Leases
2020	$ 13,037	$ 17,149
2020	17,004	17,004
2021	16,867	16,867
2022	11,055	11,055
2023	9,068	9,068
Thereafter	131,347	131,347
Total undiscounted rental payments	198,378	202,490
Less imputed interest	(100,100)	(102,085)
Total lease liabilities	$ 98,278	$ 100,405
Weighted average remaining lease term, operating leases	31 years	31 years
Weighted average incremental borrowing rate, operating leases	7.70%	7.70%
Finance Leases
2020	$ 2,043	$ 2,106
2020	10,784	10,441
2021	2,762	2,418
2022	344	0
2023	3,085	0
Thereafter	0	0
Total undiscounted rental payments	19,018	14,965
Less imputed interest	(1,397)	(1,169)
Total lease liabilities	$ 17,621	$ 13,796
Weighted average remaining lease term, finance leases	1 year 3 months 18 days	1 year 7 months 6 days
Weighted average incremental borrowing rate, finance leases	3.20%	4.20%