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LIMITS ON DIVIDENDS AND OTHER REVENUE SOURCES (Details) $ in Millions | Dec. 31, 2020 USD ($)
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LIMITS ON DIVIDENDS AND OTHER REVENUE SOURCES |
Undivided profits legally available for the payments of dividends | $ 110.7
Percentage of Bank's capital and surplus that can be transferred to Company, maximum | 10.00%
Aggregate percentage of Bank's capital and surplus that can be transferred to Company, maximum | 20.00%

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- Definition The aggregate maximum percentage of the Bank's capital and surplus that can be transferred to Company. + References No definition available. + Details
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- Definition The maximum percentage of the Bank's capital and surplus that can be transferred to Company. + References No definition available. + Details
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Namespace Prefix: | cbu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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- Definition Amount of dividends available for payment after computation of statutory restrictions on capital surplus. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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