Other Assets and Other Liabilities - Summary of Components of Other Assets (Detail) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Other Assets [Abstract]
Real estate intangibles, net	$ 603,706,000	$ 665,342,000
Equity securities	572,849,000	0
Straight-line rent receivable	126,271,000	38,287,000
Receivables, net	118,873,000	101,106,000
Prepaid expenses	54,829,000	28,334,000
Pre-acquisition costs	48,588,000	9,861,000
Deferred leasing costs, net	42,862,000	28,792,000
Held for sale assets	37,144,000	143,379,000
Deferred financing costs, net	23,736,000	28,494,000
Other	46,336,000	36,398,000
Total	$ 1,675,194,000	$ 1,079,993,000