Other Assets and Other Liabilities - Schedule of Amortization Expense and Rental Revenues (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Amortization Expense 2021	$ 266,638
Amortization Expense 2022	208,520
Amortization Expense 2023	159,608
Amortization Expense 2024	119,608
Amortization Expense 2025	87,538
Amortization Expense Thereafter	211,129
Amortization Expense Totals	1,053,041
2021	(39,910)
2022	19,333
2023	48,081
2024	60,040
2025	60,778
Thereafter	242,474
Total	$ 390,796