Quarterly report pursuant to Section 13 or 15(d)

Summary of significant accounting policies - Additional Information (Details)

v3.22.1
Summary of significant accounting policies - Additional Information (Details)
 1 Months Ended 3 Months Ended 12 Months Ended
Aug. 31, 2020
multifamilyApartmentUnit
Mar. 31, 2022
USD ($)
customer
segment
multifamilyApartmentUnit
shares
Mar. 31, 2021
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Summary Of Significant Accounting Policies [Line Items]          
Land and building held for development, net   $ 97,212,000     $ 78,990,000
Common units in operating partnership (in shares) | shares   7,305,355      
Below market lease, net   $ 2,500,000     2,800,000
Below market leases, accumulated amortization   $ 13,400,000     $ 13,100,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]   Other assets     Other assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]   Accrued and other liabilities     Accrued and other liabilities
Operating lease, right-of-use asset   $ 1,300,000     $ 1,300,000
Operating lease, liability   1,300,000     1,300,000
Operating lease, accumulated amortization   $ 400,000     300,000
Minimum expected future benefit period on expenditures cost to be capitalized and depreciated (in years)   2 years      
Minimum expected future benefit period on transaction cost to be capitalized and depreciated (in years)   1 year      
Impairment on assets   $ 0 $ 0    
Rental income   112,840,000 108,047,000    
Rental income, base payments   84,800,000 82,100,000    
Rental income, variable lease payments   28,000,000 $ 25,900,000    
Deferred rent receivable   6,200,000      
Rent receivable abated   $ 1,600,000      
Deferral agreement, number of customers | customer   307      
Deferral agreement, percentage of customers on a percentage of total rental income basis (as a percent)   9.60%      
Deferred payments received   $ 5,400,000      
Collection rate percentage on deferral repayments (as a percent)   99.80%      
Income tax expense   $ 0      
Unrecognized Tax Benefits   $ 0     0
Number of operating segments | segment   2      
Number of reportable segments | segment   1      
Forecast          
Summary Of Significant Accounting Policies [Line Items]          
Deferred payments received       $ 800,000  
Above Market Leases          
Summary Of Significant Accounting Policies [Line Items]          
Finite-lived intangible assets, net   $ 600,000     600,000
Finite-lived intangible assets, accumulated amortization   11,700,000     11,600,000
Acquired In Place Leases          
Summary Of Significant Accounting Policies [Line Items]          
Finite-lived intangible assets, net   5,200,000     6,000,000
Finite-lived intangible assets, accumulated amortization   $ 11,300,000     10,500,000
Minimum          
Summary Of Significant Accounting Policies [Line Items]          
Operating lease, remaining lease term (in years)   7 years 6 months      
Estimated useful life (in years)   5 years      
Maximum          
Summary Of Significant Accounting Policies [Line Items]          
Operating lease, remaining lease term (in years)   7 years 9 months 18 days      
Estimated useful life (in years)   30 years      
Brentford at The Mile          
Summary Of Significant Accounting Policies [Line Items]          
Number of units developed | multifamilyApartmentUnit 411 411      
Land and building held for development, net   $ 5,100,000      
Brentford at The Mile | JV Partner          
Summary Of Significant Accounting Policies [Line Items]          
Consolidated entity ownership (as a percent) 1.80% 1.80%      
Brentford at The Mile | Investment in Joint Venture          
Summary Of Significant Accounting Policies [Line Items]          
Consolidated entity ownership (as a percent) 98.20% 98.20%      
Land and building held for development, net   $ 69,500,000     $ 59,900,000
Highgate at the Mile          
Summary Of Significant Accounting Policies [Line Items]          
Number of units developed | multifamilyApartmentUnit   395      
Highgate at the Mile | JV Partner          
Summary Of Significant Accounting Policies [Line Items]          
Consolidated entity ownership (as a percent)   5.00%      
Highgate at the Mile | Investment in Joint Venture          
Summary Of Significant Accounting Policies [Line Items]          
Consolidated entity ownership (as a percent)   95.00%