XML 34 R31.htm IDEA: XBRL DOCUMENT v3.3.0.814

COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS (Tables)

9 Months Ended

Sep. 30, 2015

COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS [Abstract]

Off-Balance-Sheet Financial Instruments Contract Amounts

The contract amounts of commitments and contingencies are as follows:

(000's omitted)		September 30, 2015				December 31, 2014
Commitments to extend credit		$	730,652			$	733,827
Standby letters of credit			18,280				23,916
Total		$	748,932			$	757,743

X

- Definition

Tabular disclosure of the nature and terms of the financial instruments with off-balance sheet risk.

+ References

No definition available.

+ Details

Name:	cbu_OffBalanceSheetFinancialInstrumentsTableTextBlock
Namespace Prefix:	cbu_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration