Leases - Maturity Analysis of Lessor and Lessee Arrangements (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Direct Financing and Sales-Type Leases
2021	$ 188,580
2022	166,076
2023	139,589
2024	103,498
2025	59,049
Thereafter	40,126
Total lease payments	696,918
Less: present value discount	(53,369)
Total	643,549	$ 478,800
Operating Leases
2021	35,175
2022	32,788
2023	29,288
2024	28,036
2025	26,991
Thereafter	194,732
Total lease payments	347,010
Less: present value discount	(71,762)
Total	275,248	308,060
Finance Leases
2021	769
2022	769
2023	11
2024	0
2025	0
Thereafter	0
Total lease payments	1,549
Less: present value discount	(122)
Total	$ 1,427	$ 1,789