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Goodwill and Other Intangible Assets - Amortization expense (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Estimated amortization expense |  |
Net carrying amount | $ 125,390 | $ 128,067
Other intangibles, excluding the SBA servicing assets |  |
Estimated amortization expense |  |
December 31, 2022 | 8,027 |
March 31, 2023 | 7,299 |
June 30, 2023 | 7,028 |
September 30, 2023 | 6,616 |
December 31, 2023 | 6,615 |
Thereafter | 82,824 |
Net carrying amount | $ 118,409 |

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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