v3.26.3
Significant Accounting Policies - Investment in Marketable Securities - Additional Information (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
security
Sep. 30, 2025
USD ($)
security
Sep. 30, 2026
USD ($)
security
Sep. 30, 2025
USD ($)
security
Dec. 31, 2025
USD ($)
security
Real Estate [Line Items]          
Allowance for loan Loss $ 0 $ 0 $ 0 $ 0  
Proceeds from sale of marketable securities 0 $ 7,000,000.0 $ 4,500,000 $ 20,400,000  
Number of securities sold | security   1 1 3  
Equity marketable securities 0   $ 0   $ 0
Payments to acquire equity marketable securities       $ 25,100,000  
Proceeds from equity marketable securities       34,000,000.0  
Commercial mortgage-backed securities - available-for-sale          
Real Estate [Line Items]          
Cost basis of commercial mortgage backed securities $ 20,000,000.0   $ 20,000,000.0   $ 24,400,000
Number of securities in unrealized gain position | security 6   6   5
Unrealized gain     $ 1,300,000   $ 300,000
Fair market value $ 16,200,000   $ 16,200,000   $ 12,500,000
Debt securities, available-for-sale, continuous unrealized loss position, less than 12 months, number of positions | security 1   1   4
Unrealized loss     $ 100,000   $ 1,000,000.0
Fair value of security in a continuous unrealized loss position for less than 12 months $ 5,000,000.0   5,000,000.0   $ 11,200,000
Proceeds from repayment of held-to-maturity security     $ 0 $ 5,700,000