Income Taxes (Deferred Tax Assets and Liabilities) (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred income tax assets:
Accounts receivable	$ 1,753	$ 1,332
Leases	45,977	42,374
Other liabilities	4,777	4,980
Debt costs	1,132	841
Interest limitation	451	3,966
Financing liabilities	54,708	0
Net operating loss	39	0
Total deferred income tax assets before valuation allowance	108,837	53,493
Less: valuation allowance	0	0
Total deferred tax assets	108,837	53,493
Deferred income tax liabilities:
Intangible assets	27,586	12,992
Property and equipment	30,417	22,465
Leases	40,962	36,666
Other	2,093	2,408
Total deferred income tax liabilities	101,058	74,531
Total net deferred income tax assets (liabilities)	$ 7,779
Total net deferred income tax assets (liabilities)		$ (21,038)