Goodwill and other intangibles (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
|
| Finite-Lived Intangible Assets [Line Items] | ||||||||
| Goodwill | $ 159,595,000 | $ 159,595,000 | $ 159,595,000 | $ 159,595,000 | $ 159,595,000 | $ 159,595,000 | $ 159,595,000 | $ 159,595,000 |
| Other Intangible Assets, Net | 2,890,000 | 4,012,000 | 2,890,000 | 4,012,000 | 3,163,000 | 3,437,000 | 4,332,000 | 4,652,000 |
| Amortization of Intangible Assets | 273,000 | 320,000 | 547,000 | 640,000 | ||||
| Intangible Assets, Net (Including Goodwill) | 162,485,000 | $ 163,607,000 | 162,485,000 | $ 163,607,000 | $ 162,758,000 | 163,032,000 | $ 163,927,000 | $ 164,247,000 |
| Finite-lived Intangible Assets Acquired | 14,456,000 | 14,456,000 | 14,456,000 | |||||
| Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months | 494,000 | 494,000 | ||||||
| Finite-Lived Intangible Assets, Amortization Expense, Year Two | 887,000 | 887,000 | ||||||
| Finite-Lived Intangible Assets, Amortization Expense, Year Three | 754,000 | 754,000 | ||||||
| Finite-Lived Intangible Assets, Amortization Expense, Year Four | 618,000 | 618,000 | ||||||
| Finite-Lived Intangible Assets, Amortization Expense, Year Five | 137,000 | 137,000 | ||||||
| Core Deposits [Member] | ||||||||
| Finite-Lived Intangible Assets [Line Items] | ||||||||
| Finite-Lived Intangible Assets, Accumulated Amortization | $ 11,566,000 | $ 11,566,000 | $ 11,019,000 | |||||
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, after impairment and amortization, of goodwill, indefinite-lived, and finite-lived intangible assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other. No definition available.
|
| X | ||||||||||
- Details
|