SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Affordable Housing Entities (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2021 |
Dec. 31, 2020 |
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| Affordable Housing Projects [Abstract] | ||
| Affordable housing projects, recognized amortization | $ 3.6 | $ 3.0 |
| Affordable housing projects, tax credits | 4.3 | 3.6 |
| Affordable housing projects, investment amount | 46.9 | 38.5 |
| Affordable housing projects, liability | $ 25.7 | $ 19.1 |
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- Definition Affordable Housing Projects [Abstract] No definition available.
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- Definition Amount of obligation related to Affordable Housing Program (AHP) assessments required by the Federal Home Loan Bank Act of 1932. No definition available.
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- Definition Amount of affordable housing tax credits and other tax benefits recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of investment in qualified affordable housing projects. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of amortization expense of investment in qualified affordable housing projects. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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