Fair Value of Financial Instruments - Summary of Fair Value Information of Financial Instruments (Detail) - USD ($) $ in Thousands		Mar. 31, 2020	Dec. 31, 2019
Fair Value Disclosures [Abstract]
Interest and rent receivables, Book value		$ 38,768	$ 31,357
Loans, Book value	[1]	1,707,234	1,704,854
Debt, net Book value		(7,684,293)	(7,023,679)
Interest and rent receivables, Fair value		37,944	30,472
Loans, Fair value	[1]	1,751,212	1,742,153
Debt, net Fair value		$ (7,513,806)	$ (7,331,816)

[1] Excludes $115 million of mortgage loans related to Ernest that are recorded at fair value (which is equal to their book value) based on Level 2 inputs by discounting the estimated cash flows using the market rates which similar loans would be made to borrowers with similar credit ratings and the same remaining maturities.