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v3.25.3

Fair value measurement - Changes in level 3 assets and liabilities measured at fair value on a recurring basis (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Assets, Fair Value Disclosure [Abstract] |  |  |  |
Beginning Balance | $ 104,465 | $ 116,209 | $ 111,054 | $ 121,499
Gains (Losses) included in earnings | (3,839) | (4,900) | (9,374) | (10,793)
Gains (losses) included in OCI | (1) | 2 | (3) | 2
Additions | 281 | 337 | 779 | 998
Settlements |  | (25) | (50) | (83)
Transfers in (out) of Level 3 |  |  | (1,500) |
Ending Balance | 100,906 | 111,623 | 100,906 | 111,623
Changes in unrealized gains (losses) relating to assets still held at reporting date | (1,505) | (2,571) | (2,459) | (3,261)
Debt securities available-for-sale | Mortgage Backed Securities |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |
Beginning Balance | 432 | 581 | 484 | 606
Gains (Losses) included in earnings | 0 | 0 | 0 | 0
Gains (losses) included in OCI | (1) | 2 | (3) | 2
Additions | 0 | 0 | 0 | 0
Settlements |  | (25) | (50) | (50)
Transfers in (out) of Level 3 |  |  | 0 |
Ending Balance | 431 | 558 | 431 | 558
Changes in unrealized gains (losses) relating to assets still held at reporting date | 0 | 0 | 0 | 0
Debt securities available-for-sale | Other |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |
Beginning Balance | 750 | 2,000 | 2,250 | 2,500
Gains (Losses) included in earnings | 0 | 0 | 0 | (500)
Gains (losses) included in OCI | 0 | 0 | 0 | 0
Additions | 0 | 0 | 0 | 0
Settlements |  | 0 | 0 | 0
Transfers in (out) of Level 3 |  |  | (1,500) |
Ending Balance | 750 | 2,000 | 750 | 2,000
Changes in unrealized gains (losses) relating to assets still held at reporting date | 0 | 0 | 0 | 0
Trading account debt securities | CMO |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |
Beginning Balance |  |  | 0 | 5
Gains (Losses) included in earnings |  |  |  | 0
Gains (losses) included in OCI |  |  |  | 0
Additions |  |  |  | 0
Settlements |  |  |  | (5)
Ending Balance |  | 0 |  | 0
Changes in unrealized gains (losses) relating to assets still held at reporting date |  |  |  | 0
Trading account debt securities | Mortgage Backed Securities |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |
Beginning Balance | 84 | 84 | 84 | 112
Gains (Losses) included in earnings | 0 | 0 | 0 | 0
Gains (losses) included in OCI | 0 | 0 | 0 | 0
Additions | 0 | 0 | 0 | 0
Settlements |  | 0 | 0 | (28)
Transfers in (out) of Level 3 |  |  | 0 |
Ending Balance | 84 | 84 | 84 | 84
Changes in unrealized gains (losses) relating to assets still held at reporting date | 0 | 0 | 0 | 0
Trading account debt securities | Other |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |
Beginning Balance | 122 | 158 | 133 | 167
Gains (Losses) included in earnings | (4) | (4) | (15) | (13)
Gains (losses) included in OCI | 0 | 0 | 0 | 0
Additions | 0 | 0 | 0 | 0
Settlements |  | 0 | 0 | 0
Transfers in (out) of Level 3 |  |  | 0 |
Ending Balance | 118 | 154 | 118 | 154
Changes in unrealized gains (losses) relating to assets still held at reporting date | 0 | 6 | 23 | 18
Mortgage Servicing Rights |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |
Beginning Balance | 103,077 | 113,386 | 108,103 | 118,109
Gains (Losses) included in earnings | (3,835) | (4,896) | (9,359) | (10,280)
Gains (losses) included in OCI | 0 | 0 | 0 | 0
Additions | 281 | 337 | 779 | 998
Settlements |  | 0 | 0 | 0
Transfers in (out) of Level 3 |  |  | 0 |
Ending Balance | 99,523 | 108,827 | 99,523 | 108,827
Changes in unrealized gains (losses) relating to assets still held at reporting date | $ (1,505) | $ (2,577) | $ (2,482) | $ (3,279)

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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 102 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-102 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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