XML 53 R38.htm IDEA: XBRL DOCUMENT
v3.22.4

DEPOSITS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
DEPOSITS |
Schedule of deposits | Deposits recorded in the consolidated statements of condition consist of the following at December 31: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(000’s omitted) | ​ | 2022 | ​ | 2021
Noninterest checking | ​ | $ | 4,140,617 | ​ | $ | 3,921,663
Interest checking | ​ |  | 3,231,096 | ​ |  | 3,201,225
Savings | ​ |  | 2,433,922 | ​ |  | 2,255,961
Money market | ​ |  | 2,299,965 | ​ |  | 2,603,988
Time | ​ |  | 906,708 | ​ |  | 928,331
Total deposits | ​ | $ | 13,012,308 | ​ | $ | 12,911,168
​
Schedule of interest on deposits | Interest on deposits recorded in the consolidated statements of income consists of the following at December 31: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(000’s omitted) | ​ | 2022 | ​ | 2021 | ​ | 2020
Interest on interest checking | ​ | $ | 3,340 | ​ | $ | 1,142 | ​ | $ | 2,182
Interest on savings | ​ |  | 671 | ​ |  | 598 | ​ |  | 665
Interest on money market | ​ |  | 4,019 | ​ |  | 1,393 | ​ |  | 2,685
Interest on time | ​ |  | 7,014 | ​ |  | 8,498 | ​ |  | 11,229
Total interest on deposits | ​ | $ | 15,044 | ​ | $ | 11,631 | ​ | $ | 16,761
​
Schedule of maturities of time deposits | The approximate maturities of time deposits at December 31, 2022 are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | Accounts $250,000
(000’s omitted) | ​ | All Accounts | ​ | or Greater
2023 | ​ | $ | 514,658 | ​ | $ | 67,302
2024 | ​ |  | 282,044 | ​ |  | 53,970
2025 | ​ |  | 63,554 | ​ |  | 5,472
2026 | ​ |  | 24,567 | ​ |  | 262
2027 | ​ |  | 21,796 | ​ |  | 2,075
Thereafter | ​ |  | 89 | ​ |  | 0
Total | ​ | $ | 906,708 | ​ | $ | 129,081

X
- Definition Tabular disclosure of interest on deposit. + References No definition available. + Details
Name: | cbu_InterestOnDepositsTableTextBlock
Namespace Prefix: | cbu_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of type of deposit liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (e) Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (f) -Subparagraph (2)(i)(ii) Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (a) -Subparagraph (1) Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (f) -Subparagraph (1) Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (d) Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (f) -Subparagraph (2)(i) Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (f) -Subparagraph (2)(i)(iv) Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (a) -Subparagraph (5) Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (f) -Subparagraph (2)(i)(iii) Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (a) -Subparagraph (4) Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (f) -Subparagraph (2) Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (c) Reference 13: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (a) -Subparagraph (2) Reference 14: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (a) -Subparagraph (3) Reference 15: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (a) + Details
Name: | us-gaap_DepositLiabilitiesTypeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DepositsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of time deposit liability maturities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration