Summary of Significant Accounting Policies - Schedule of Gain on Sale of Real Estate (Parenthetical) (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cockeysville JV [Member]
Summary Of Significant Accounting Policies [Line Items]
Loss (gain) on revaluation	$ 2,100,000
Cockeysville JV [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Gain or loss on sale of real estate based on final contribution value	14,600,000
Cockeysville JV [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Gain or loss on sale of real estate based on final contribution value	$ 12,500,000
Mark 302 JV [Member]
Summary Of Significant Accounting Policies [Line Items]
Loss (gain) on revaluation		$ 30,000,000.0
Mark 302 JV [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Gain or loss on sale of real estate based on final contribution value		38,800,000
Mark 302 JV [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Gain or loss on sale of real estate based on final contribution value		$ 8,800,000