Investment Securities - Summary of gross unrealized losses and fair value of debt security investments (Details) $ in Thousands	Jun. 30, 2026 USD ($) Number	Dec. 31, 2025 USD ($) Number
Mortgage-backed U.S. government agencies [Member]
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]
Number of Securities Less Than 12 Months \| Number	21	7
Fair Value Less Than 12 Months	$ 87,015	$ 20,493
Gross Unrealized Losses Less Than 12 Months	$ 2,028	$ 130
Number of Securities 12 Months or More \| Number	11	9
Fair Value 12 Months or More	$ 8,326	$ 13,157
Gross Unrealized Losses 12 Months or More	$ 469	$ 437
Number of Securities \| Number	32	16
Fair Value	$ 95,341	$ 33,650
Gross Unrealized Losses	$ 2,497	$ 567
Temporarily Impaired Available For Sale Securities [Member]
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]
Number of Securities Less Than 12 Months \| Number	22	7
Fair Value Less Than 12 Months	$ 87,103	$ 20,493
Gross Unrealized Losses Less Than 12 Months	$ 2,029	$ 130
Number of Securities 12 Months or More \| Number	12	9
Fair Value 12 Months or More	$ 12,562	$ 17,672
Gross Unrealized Losses 12 Months or More	$ 614	$ 517
Number of Securities \| Number	34	16
Fair Value	$ 99,665	$ 38,165
Gross Unrealized Losses	$ 2,643	$ 647
Other mortgage-backed securities [Member]
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]
Number of Securities Less Than 12 Months \| Number	1	0
Fair Value Less Than 12 Months	$ 88	$ 0
Gross Unrealized Losses Less Than 12 Months	$ 1	$ 0
Number of Securities 12 Months or More \| Number	1	2
Fair Value 12 Months or More	$ 4,236	$ 4,515
Gross Unrealized Losses 12 Months or More	$ 145	$ 80
Number of Securities \| Number	2	2
Fair Value	$ 4,324	$ 4,515
Gross Unrealized Losses	$ 146	$ 80

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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