Fair Value - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of securities held	$ 1,666,930,000		$ 1,657,394,000
Significant Unobservable  Inputs (Level 3) | Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of securities held	0		0
MBS/CMO | Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of securities held	740,928,000		719,542,000
MBS/CMO | Significant Unobservable  Inputs (Level 3) | Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of securities held	0		$ 0
Loans Held-for-sale
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
(Losses)/gains from changes in fair value included in earnings	$ (46,000)	$ (4,000)