Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended					9 Months Ended
	Sep. 30, 2024 USD ($) investment property	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) property	Sep. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2024 USD ($) investment property	Sep. 30, 2023 USD ($)
Real Estate Properties [Line Items]
Restricted cash	$ 30,632,000		$ 27,880,000			$ 30,632,000
Impairment charges	0			$ 11,268,000		15,107,000	$ 11,268,000
Depreciation expense	54,453,000			55,083,000		161,533,000	161,670,000
Fully depreciated fixed assets, wrote-off	6,893,000			7,563,000		22,496,000	15,596,000
Net casualty losses	1,249,000			35,000		4,015,000	866,000
Interest costs capitalized	1,868,000			1,926,000		5,209,000	5,094,000
Investments in real estate under development	$ 115,221,000		98,365,000			$ 115,221,000
Number of investment in unconsolidated real estate entities | investment	4					4
Impairment of real estate		$ 15,107,000	32,956,000			$ 15,107,000
Right-of-use assets	$ 1,982,000		2,408,000			$ 1,982,000
Operating lease, right-of-use asset, statement of financial position flag	Other assets					Other assets
Lease liability	$ 2,240,000		2,701,000			$ 2,240,000
Operating lease, liability, statement of financial position flag	Other liabilities					Other liabilities
Total operating lease expense	$ 128,000			219,000		$ 537,000	631,000
Income tax expense	0			0		0	0
Restructuring costs	$ 0			0	$ 3,213,000	$ 0	3,213,000
Leases Acquired In Place
Real Estate Properties [Line Items]
Acquisition of above-market in-place leases, amortization period	6 months					6 months
Intangible assets	$ 1,584,000			1,584,000		$ 1,584,000	1,584,000
Amortization expense for intangible assets	$ 426,000			$ 133,000		$ 492,000	$ 532,000
Impairment, intangible asset, finite-lived, statement of income or comprehensive income flag	Depreciation and amortization expense			Depreciation and amortization expense		Depreciation and amortization expense	Depreciation and amortization expense
Write-off of fully amortized intangible assets	$ 0			$ 0		$ 398,000	$ 1,099,000
Amortization of intangible assets remainder	792,000					792,000
Investments In Unconsolidated Real Estate Entities
Real Estate Properties [Line Items]
Interest costs capitalized	1,155,000			$ 1,176,000		3,617,000	$ 3,271,000
Real Estate Investment
Real Estate Properties [Line Items]
Investments in real estate under development	$ 102,226,000		$ 77,520,000			$ 102,226,000
Denver Colorado
Real Estate Properties [Line Items]
Number of multifamily properties owned | property	2		2			2
Nashville, TN | Views of Music City / The Crockett
Real Estate Properties [Line Items]
Equity interest ownership percentage	50.00%					50.00%
Austin, TX | Lakeline Station
Real Estate Properties [Line Items]
Equity interest ownership percentage	90.00%					90.00%
Building and Building Improvements
Real Estate Properties [Line Items]
Depreciable lives (in years)	40 years					40 years
Minimum | Equipment and Fixtures
Real Estate Properties [Line Items]
Depreciable lives (in years)	5 years					5 years
Maximum
Real Estate Properties [Line Items]
Operating lease term	10 years					10 years
Maximum | Equipment and Fixtures
Real Estate Properties [Line Items]
Depreciable lives (in years)	10 years					10 years