Lessee Leases - Maturity Schedule of Future Minimum Lease Payments under Operating Leases and the Reconciliation to the Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019
Leases [Abstract]
2020	$ 13,573
2021	13,071
2022	11,970
2023	8,487
2024	7,961
Thereafter	19,768
Total operating lease payments	74,830
Present value adjustment	(14,103)
Total operating lease liabilities	60,727
Current portion of operating lease liabilities	10,058	$ 10,300
Long-term portion of operating lease liabilities	$ 50,669	$ 59,791