Fair Value Measurements - Qualitative Information for Level 3 Assets Measured at Fair Value on a Non-Recurring Basis (Details) $ in Thousands	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Commercial real estate
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 2,783	$ 1,083
Multifamily
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	1,693	1,727
Home equity and lines of credit
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value		18
Commercial and industrial loans
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 2,801	$ 1,291
Appraisals | Adjustments to selling costs | Minimum | Commercial real estate
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Range of Inputs	0.070	0.070
Appraisals | Adjustments to selling costs | Minimum | Multifamily
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Range of Inputs	0	0
Appraisals | Adjustments to selling costs | Maximum | Commercial real estate
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Range of Inputs	0.100	0.100
Appraisals | Adjustments to selling costs | Maximum | Multifamily
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Range of Inputs	0.100	0.100
Discounted cash flows | Interest rates | Home equity and lines of credit
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Range of Inputs		0.060
Discounted cash flows | Interest rates | Minimum | Commercial and industrial loans
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Range of Inputs	0.040	0.060
Discounted cash flows | Interest rates | Maximum | Commercial and industrial loans
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Range of Inputs	0.150	0.500