XML 66 R47.htm IDEA: XBRL DOCUMENT v3.25.0.1

LEASES (Tables)

12 Months Ended

Dec. 31, 2024

Operating Leases

Schedule of components of lease

​

​	​	​	​	​	​	​	​	​	​
(000’s omitted)		2024		​	2023		​	2022
Operating lease cost	​	$	10,536	​	$	9,358	​	$	8,568
Finance lease cost:	​	​	​	​	​	​	​	​	​
Amortization of right-of-use assets	​	​	283	​	​	0	​	​	0
Interest on lease liabilities	​	​	215	​	​	0	​	​	0
Variable lease cost	​		80	​	​	68	​	​	108
Short-term lease cost (1)	​		99	​	​	64	​	​	65
Total lease cost	​	$	11,213	​	$	9,490	​	$	8,741

⁽¹⁾ Short-term lease cost includes the cost of leases with terms of twelve months or less, excluding leases with terms of one month or less.

Schedule of supplemental cash flow information related to leases

​

​	​	​	​	​	​	​
(000’s omitted)		2024			2023
Cash paid for amounts included in the measurement of lease liabilities:		​		​	​	​
Operating cash outflows for operating leases	​	$	8,756	​	$	8,584
Operating cash outflows for finance leases	​	​	86	​	​	0
Financing cash outflows for finance leases	​	​	71	​	​	0
​	​	​	​	​	​	​
Right-of-use assets obtained in exchange for lease obligations:	​		​	​	​	​
Operating leases	​	​	16,043	​	​	19,301
Finance leases	​		8,608	​	​	0

​

Schedule of supplemental balance sheet information related to leases

​

​	​	​	​	​	​	​	​
(000’s omitted, except lease term and discount rate)		2024			2023		​
Operating leases		​		​	​	​	​
Operating lease right-of-use assets	​	$	46,240	​	$	40,036	​
Operating lease liabilities	​	​	48,947	​	​	41,409	​
​	​	​	​	​	​	​	​
Finance leases	​		​	​	​	​	​
Finance lease right-of-use assets	​	​	8,325	​	​	0	​
Finance lease liabilities	​	​	8,667	​	​	0	​
​	​	​	​	​	​	​	​
Weighted average remaining lease term	​		​	​	​	​	​
Operating leases	​		7.4 years	​	​	6.5 years	​
Finance leases	​	​	14.4 years	​	​	0.0 years	​
​	​	​	​	​	​	​	​
Weighted average discount rate	​		​	​	​	​	​
Operating leases	​		4.23	%	​	3.79	%
Finance leases	​	​	5.01	%	​	0.00	%

​

Schedule of maturities of lease liabilities

Maturities of lease liabilities as of December 31, 2024 are as follows:

​

​	​	​	​	​	​	​
(000’s omitted)		Operating Leases			Finance Leases
2025	​	$	10,808	​	$	775
2026	​		9,520	​	​	782
2027	​		7,338	​	​	789
2028	​		5,892	​	​	796
2029	​		4,522	​	​	809
Thereafter	​		19,951	​	​	8,370
Total lease payments	​		58,031	​	​	12,321
Less imputed interest	​		(9,084)	​	​	(3,654)
Total	​	$	48,947	​	$	8,667

​

Maturities of lease liabilities as of December 31, 2023 are as follows:

​

​	​	​	​
(000’s omitted)		Operating Leases
2024	​	$	9,661
2025	​		8,590
2026	​		7,379
2027	​		5,264
2028	​		3,854
Thereafter	​		13,048
Total lease payments	​		47,796
Less imputed interest	​		(6,387)
Total	​	$	41,409

​

706 North Clinton

Operating Leases

Schedule of maturities of lease liabilities

The maturities of the Company’s related party lease liabilities as of December 31, 2024 are as follows:

​

​	​	​	​
(000’s omitted)	​	706 North Clinton, LLC
2025		$	605
2026		​	615
2027	​	​	506
2028	​	​	506
2029		​	506
Thereafter		​	211
Total lease payments		​	2,949
Less imputed interest		​	(261)
Total	​	$	2,688

​

The maturities of the Company’s related party lease liabilities as of December 31, 2023 are as follows:

​

​	​	​	​
(000’s omitted)		706 North Clinton, LLC
2024	​	$	591
2025	​		605
2026	​		615
2027	​		506
2028	​		506
Thereafter	​		715
Total lease payments	​		3,538
Less imputed interest	​		(368)
Total	​	$	3,170

X

- Definition

Tabular disclosure of lessee's right of use assets and lease liabilities.

+ References

No definition available.

+ Details

Name:	cbu_LesseeOperatingLeaseBalanceSheetInformationTableTextBlock
Namespace Prefix:	cbu_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of supplemental cash flow information related to operating leases.

+ References

No definition available.

+ Details

Name:	cbu_LesseeOperatingLeaseCashFlowInformationTableTextBlock
Namespace Prefix:	cbu_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_LeaseCostTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=cbu_SevenZeroSixNorthClintonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: