v3.26.1
Debt and Financial Instruments - Additional Information (Detail)
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 21, 2026
USD ($)
Option
Sep. 16, 2024
USD ($)
Mar. 27, 2018
May 31, 2025
USD ($)
Oct. 31, 2024
USD ($)
Derivative
Dec. 31, 2023
USD ($)
Derivative
Mar. 31, 2020
USD ($)
Derivative
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Sep. 30, 2024
USD ($)
May 15, 2023
Debt Instrument [Line Items]                            
Net borrowings on the line of credit                   $ 9,350,000 $ 5,900,000      
Credit facility, Interest Rate Terms                   Borrowings under the Credit Agreement will bear interest at a rate equal to, at our option, term SOFR for either one, three, or six months or the Base Rate, plus in either case, a specified margin depending on our total leverage ratio, as determined by the formula set forth in the Credit Agreement. The applicable margin on revolving loans range from 1.10% to 1.35% for Adjusted Term SOFR loans and 0.10% to 0.35% for Base Rate loans.        
Outstanding borrowings under revolving credit agreement               $ 365,550,000   $ 365,550,000   $ 356,200,000    
Available borrowing capacity               109,400,000   109,400,000   68,800,000    
Compensating Balance Amount               0   0   0    
Interest Rate Swap                            
Debt Instrument [Line Items]                            
Derivative interest rate cap payment due from counter parties               517,000   1,000,000        
Derivative interest rate cap, payment received or accrued from counterparties, net               498,000 $ 780,000 1,000,000 1,600,000      
Derivative interest rate cap, payment due to counterparties, partially offset               19,000   36,000        
Interest Rate Swap | Cash Flow Hedge                            
Debt Instrument [Line Items]                            
Number of interest rate cap agreements | Derivative         1                  
Derivative instruments, fixed rate         3.2725%                  
Notional amount   $ 85,000,000     $ 85,000,000                  
Expiration date of interest rate   Sep. 16, 2024     Sep. 30, 2028                  
Interest Rate Swap Agreement One | Cash Flow Hedge                            
Debt Instrument [Line Items]                            
Number of interest rate cap agreements | Derivative           1                
Derivative instruments, fixed rate           3.9495%                
Notional amount           $ 25,000,000                
Expiration date of interest rate           Dec. 01, 2027                
Interest Rate Swap Agreement Two | Cash Flow Hedge                            
Debt Instrument [Line Items]                            
Number of interest rate cap agreements | Derivative             1              
Derivative instruments, fixed rate             0.565%              
Notional amount             $ 55,000,000              
Expiration date of interest rate             Mar. 25, 2027              
Level 2                            
Debt Instrument [Line Items]                            
Mortgage debt               18,300,000   18,300,000   18,600,000    
Mortgage loan fair value               17,100,000   17,100,000   $ 17,500,000    
Level 2 | Interest Rate Swap                            
Debt Instrument [Line Items]                            
Liability derivatives, fair value               2,600,000   $ 2,600,000        
Tuscan professional building                            
Debt Instrument [Line Items]                            
Repayment of mortgage loan       $ 122,000                    
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap | Cash Flow Hedge                            
Debt Instrument [Line Items]                            
Derivative instruments, fixed rate         3.2725%                  
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Agreement One | Cash Flow Hedge                            
Debt Instrument [Line Items]                            
Derivative instruments, fixed rate           3.9495%                
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Swap Agreement Two | Cash Flow Hedge                            
Debt Instrument [Line Items]                            
Derivative instruments, fixed rate                           0.505%
First Amendment to Credit Agreement                            
Debt Instrument [Line Items]                            
Outstanding borrowing $ 475,000,000                       $ 425,000,000  
Minimum tangible net worth 100,000,000                       $ 125,000,000  
Net borrowings on the line of credit $ 50,000,000                          
Unsecured revolving amended credit agreement terminated date Sep. 30, 2028                          
Number of additional six month extension options | Option 2                          
First Amendment to Credit Agreement | Swingline/Short-Term Loans                            
Debt Instrument [Line Items]                            
Outstanding borrowing $ 30,000,000                          
First Amendment to Credit Agreement | Non-Amortizing Term Loan ("Term Loan")                            
Debt Instrument [Line Items]                            
Outstanding borrowing 175,000,000                          
First Amendment to Credit Agreement | Revolving Loan Commitment                            
Debt Instrument [Line Items]                            
Outstanding borrowing 300,000,000                          
First Amendment to Credit Agreement | Letters of Credit                            
Debt Instrument [Line Items]                            
Outstanding borrowing $ 40,000,000                          
Credit Agreement                            
Debt Instrument [Line Items]                            
Credit agreement matures date                   Sep. 30, 2028        
Aggregate borrowings under Credit Agreement               19,100,000 19,600,000 $ 33,900,000 32,600,000      
Aggregate repayments               13,100,000 $ 14,300,000 24,600,000 $ 26,700,000      
Credit Agreement | Minimum | Base Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate     0.10%                      
Credit Agreement | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate     1.10%                      
Credit Agreement | Maximum | Base Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate     0.35%                      
Credit Agreement | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate     1.35%                      
Revolving A Facility                            
Debt Instrument [Line Items]                            
Facility fee of revolving loan               $ 300,000,000   $ 300,000,000        
Revolving A Facility | Minimum                            
Debt Instrument [Line Items]                            
Facility fee payable on commitment     0.15%                      
Revolving A Facility | Minimum | Base Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate     0.20%                      
Revolving A Facility | Minimum | Federal Funds Effective Rate                            
Debt Instrument [Line Items]                            
Margin points added to the base rate     0.50%                      
Revolving A Facility | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate     1.20%                      
Margin points added to the base rate     1.00%                      
Revolving A Facility | Maximum                            
Debt Instrument [Line Items]                            
Facility fee payable on commitment     0.35%                      
Revolving A Facility | Maximum | Base Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate     0.65%                      
Revolving A Facility | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate     1.65%                      
Revolving B Facility | Base Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate                   0.20% 0.20%      
Revolving B Facility | Federal Funds Effective Rate                            
Debt Instrument [Line Items]                            
Facility fee payable on commitment                   0.20% 0.20%      
Revolving B Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate                   1.20%        
Revolving B Facility | Non-Amortizing Term Loan ("Term Loan")                            
Debt Instrument [Line Items]                            
Margin points added to the reference rate                     1.20%