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Common Stock and Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 07, 2022 | Apr. 07, 2022 | Apr. 05, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Nov. 07, 2022 | Mar. 11, 2013
Common Stock and Earnings Per Share [Abstract] |  |  |  |  |  |  |
Net income |  |  |  | $ 23,757 | $ 19,580 |  |
Shares Used in Computing Basic and Diluted Earnings per Share [Abstract] |  |  |  |  |  |  |
Weighted average common shares, basic (in shares) |  |  |  | 14,294,910 | 13,957,788 |  |
Effect of dilutive securities [Abstract] |  |  |  |  |  |  |
Employee stock-based compensation (in shares) |  |  |  | 803 | 1,127 |  |
Weighted average common shares, diluted (in shares) |  |  |  | 14,295,713 | 13,958,915 |  |
Underwritten Public Offering [Abstract] |  |  |  |  |  |  |
Issuance of common stock (in shares) |  |  | 975,600 |  |  |  |
Offering price (in dollars per share) |  |  | $ 41 |  |  |  |
Net proceeds from issuance of common stock | $ 43,970 |  |  |  |  |  |
Stock Repurchase Program [Abstract] |  |  |  |  |  |  |
Number of shares authorized to be repurchased under the stock repurchase program (in shares) |  |  |  |  |  |  | 1,200,000
Number of shares repurchased and retired under the stock repurchase program (in shares) |  |  |  | 0 | 0 |  |
Number of remaining shares authorized to be repurchased under the stock repurchase program (in shares) |  |  |  | 618,004 |  |  |
Employee Stock Purchase Plan [Member] |  |  |  |  |  |  |
Common Stock [Abstract] |  |  |  |  |  |  |
Minimum period full-time employees must be employed to purchase shares |  |  |  | 90 days |  |  |
Maximum percentage of gross compensation allowed to purchase shares |  |  |  | 10.00% |  |  |
Purchase price as a percentage of fair market value of common stock |  |  |  | 95.00% |  |  |
Number of shares issued (in shares) |  |  |  | 4,227 | 4,378 |  |
Number of authorized shares remaining to be issued (in shares) |  |  |  | 45,416 |  |  |
Dividend Reinvestment and Direct Stock Purchase and Sale Plan [Member] |  |  |  |  |  |  |
Common Stock [Abstract] |  |  |  |  |  |  |
Number of shares authorized, unissued, and rolled over under plan (in shares) |  |  |  |  |  | 365,975 |
Number of shares issued (in shares) |  |  |  | 37,475 | 38,361 |  |
Number of authorized shares remaining to be issued (in shares) |  |  |  | 320,708 |  |  |
Optional Dividend Reinvestment Portion of Plan [Member] |  |  |  |  |  |  |
Common Stock [Abstract] |  |  |  |  |  |  |
Purchase price as a percentage of fair market value of common stock |  |  |  | 95.00% |  |  |
Direct Stock Purchase Portion of Plan [Member] |  |  |  |  |  |  |
Common Stock [Abstract] |  |  |  |  |  |  |
Purchase price as a percentage of fair market value of common stock |  |  |  | 100.00% |  |  |
Underwriter's Option [Member] |  |  |  |  |  |  |
Underwritten Public Offering [Abstract] |  |  |  |  |  |  |
Issuance of common stock (in shares) |  | 146,340 |  |  |  |  |
Offering price (in dollars per share) | $ 41 | $ 41 |  |  |  |  |

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- Definition The minimum number of consecutive days a full-time employee must be employed to purchase shares under the employee stock purchase plan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | yorw_MinimumEmploymentPeriodRequiredToPurchaseSharesUnderEmployeeStockPurchasePlan
Namespace Prefix: | yorw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of authorized shares remaining to be issued under the plan. + References No definition available. + Details
Name: | yorw_NumberOfAuthorizedSharesRemainingToBeIssued
Namespace Prefix: | yorw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares authorized, unissued, and rolled over under the plan. + References No definition available. + Details
Name: | yorw_NumberOfSharesAuthorizedUnissuedAndRolledOverUnderPlan
Namespace Prefix: | yorw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of the fair market value of common stock (as defined) used to determine the purchase price under the employee stock purchase plan. + References No definition available. + Details
Name: | yorw_PurchasePriceAsPercentageOfFairMarketValueOfCommonStock
Namespace Prefix: | yorw_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_EmployeeStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=yorw_DividendReinvestmentAndDirectStockPurchaseAndSalePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=yorw_OptionalDividendReinvestmentPortionOfPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=yorw_DirectStockPurchasePortionOfPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |