LONG-TERM DEBT - Narrative (Detail)	12 Months Ended
Dec. 31, 2024 USD ($) loan bank	Dec. 31, 2023 USD ($) loan
Line of Credit Facility [Line Items]
New long-term borrowings \| loan	0	5
Financing lease assets	$ 362,000
Collateral for all outstanding loans	1,900,000,000
Additional availability at the FHLB based on qualifying collateral	1,700,000,000
Letters of credit	1,000,000.0
Letters of credit non-deposit	$ 609,000
Number of correspondent banks \| bank	2
Available unsecured lines of credit	$ 20,000,000.0
Borrowings under lines of credit	0	$ 0
Codorus Valley Bancorp, Inc
Line of Credit Facility [Line Items]
Financing lease assets	$ 392,000

Collateral securities outstanding amount.

No definition available.

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Balance Type:	credit
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- Definition

Debt instrument additional borrowing capacity.

+ References

No definition available.

+ Details

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- Definition

Letters of Credit Outstanding, Non Deposit, Amount

+ References

No definition available.

+ Details

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- Definition

Number Of Banks

+ References

No definition available.

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- Definition

Number Of New Long Term Borrowings

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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-Name Accounting Standards Codification
-Section S99
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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-Publisher FASB
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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

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