Future Estimated Minimum Payments Under Finance Leases and Non-Cancelable Operating Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Finance Leases
2020	$ 2,224
2021	2,224
2022	2,224
2023	1,515
2024	1,160
2025 and thereafter	20,875
Total minimum lease payments	30,222
Amounts representing interest	11,533
Present value of lease payments	18,689
Operating Leases
2020	7,759	$ 7,287
2021	6,725
2022	4,754
2023	3,807
2024	1,891
2025 and thereafter	3,341
Total minimum lease payments	28,277
Amounts representing interest	3,644
Present value of lease payments	$ 24,633