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GOODWILL AND OTHER INTANGIBLE ASSETS--Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Feb. 29, 2024 | Dec. 31, 2023 | Dec. 31, 2021 | Aug. 30, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 0 | $ 1,800 | $ 40 |  | $ 4,200 | $ 1,788 | $ 4,361 |  |  |  |
Other Depreciation and Amortization | 3,300 |  | 3,400 |  |  | 9,700 | 10,100 |  |  |  |
Amortization of Mortgage Servicing Rights (MSRs) | $ 900 |  | $ 800 |  |  | $ 2,600 | $ 2,300 |  |  |  |
Brady Ware Corporate Finance |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 100 |  |  |  |  |  |  |
Core deposits |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization method |  |  |  |  |  | accelerated basis |  |  |  |  |
Estimated weighted average life (in years) | 3 years 6 months |  |  |  |  | 3 years 6 months |  |  |  |  |
Customer lists |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization method |  |  |  |  |  | straight-line basis |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  |  |  |  |  |  |  | 12 years 4 months 24 days |  | 9 years 3 months 18 days | 5 years 10 months 24 days
Customer lists | Summit Funding Group |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Net | $ 23,200 |  |  |  |  | $ 23,200 |  |  | $ 25,100 |  |
Customer lists | Bannockburn [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Net | 21,200 |  |  |  |  | 21,200 |  |  | $ 23,900 |  |
Customer lists | Agile Premium Finance |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Net | $ 2,600 |  |  |  |  | $ 2,600 |  |  |  |  |

X
- Definition The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481229/860-50-50-4 + Details
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