Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($) segment	Dec. 31, 2024 USD ($)
Summary of Significant Accounting Policies
Number of operating segments | segment	1
Number of reportable segment | segment	1
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Interest Receivable	Interest Receivable
Accrued interest receivable on available-for-sale debt securities	$ 2,300	$ 2,900
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Interest Receivable	Interest Receivable
Accrued interest receivable on loans receivable	$ 1,400	$ 1,400
Amount of loans evaluated for determination of allowance for credit losses	$ 100,000