Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred income tax assets:
Accounts receivable	$ 1,499	$ 1,753
Leases	44,725	45,977
Other liabilities	7,707	4,777
Debt costs	1,099	1,132
Interest limitation	3,423	451
Financing liabilities	53,651	54,708
Net operating loss	133	39
Total deferred income tax assets before valuation allowance	112,237	108,837
Less: valuation allowance	0	0
Total deferred tax assets	112,237	108,837
Deferred income tax liabilities:
Intangible assets	39,418	27,586
Property and equipment	27,075	30,417
Leases	37,002	40,962
Other	2,386	2,093
Total deferred income tax liabilities	105,881	101,058
Total net deferred income tax assets	$ 6,356	$ 7,779