GOODWILL AND INTANGIBLE ASSETS (Information Concerning Intangible Assets with Finite Life) (Details) - USD ($) |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Finite-Lived Intangible Assets [Line Items] | ||
| Total estimated amortization expense | $ 43,312,000 | |
| Core Deposits | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value | 101,724,000 | $ 135,300,000 |
| Accumulated Amortization | 66,739,000 | 88,109,000 |
| Total estimated amortization expense | 34,985,000 | 47,191,000 |
| Other amortizable intangibles | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value | 14,893,000 | 15,240,000 |
| Accumulated Amortization | 6,566,000 | 5,246,000 |
| Total estimated amortization expense | $ 8,327,000 | $ 9,994,000 |
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- 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/disclosureRef
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- 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. No definition available.
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before accumulated amortization of finite-lived intangible assets classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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