Schedule of Other Assets (Parenthetical) (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule of Other Assets [Line Items]
Deferred leasing assets, accumulated amortization	$ 1,132	$ 5,647
Debt issuance costs, accumulated amortization	2,332	1,475
Other intangible assets
Schedule of Other Assets [Line Items]
Intangible assets, accumulated amortization	$ 9,219	$ 8,182