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Note Receivable and Customers' Advances for Construction (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) Municipality	Dec. 31, 2022 USD ($)
Note Receivable and Customers' Advances for Construction [Abstract]
Number of municipalities with agreements to extend water service | Municipality	1
Interest income on note receivable	$ 192	$ 194
Interest rate on note outstanding	7.50%
Amounts Related to Water District Projects Included in Balance Sheet [Abstract]
Note receivable, including interest	$ 255	255
Customers' advances for construction	205	243
Other customers' advances for construction	$ 18,648	$ 14,668

X

- Definition

Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Stated interest rate of notes receivable from time-sharing transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 978
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482707/978-310-50-1

+ Details

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Balance Type:	na
Period Type:	instant

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- References

No definition available.

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X

- Definition

For utilities only, represents the carrying amount of the liability related to water district projects as of the balance sheet date for payments received by a utility from its customers in advance of performing its obligations under terms of its construction agreements.

+ References

No definition available.

+ Details

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Namespace Prefix:	yorw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of interest income on notes receivable.

+ References

No definition available.

+ Details

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Namespace Prefix:	yorw_
Data Type:	xbrli:monetaryItemType
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- References

No definition available.

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X

- Definition

Number of municipalities the Company has agreement with to extend water service into previously formed water districts.

+ References

No definition available.

+ Details

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Namespace Prefix:	yorw_
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X

- Definition

For utilities only, represents the carrying amount of the liability related to other projects as of the balance sheet date for payments received by a utility from its customers in advance of performing its obligations under terms of its construction agreements.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant