Document and Entity Information [Abstract] Document Information [Table] Legal Entity [Axis] Entity [Domain] Represents the Retirement Plan Number 005. E B P 005 [Member] Rhinebeck Bank 401(k) Plan Document Information [Line Items] Document Type Entity Registrant Name Entity Central Index Key Amendment Flag Statements of Net Assets Available for Benefits EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] Statement of Net Asset Available for Benefit [Line Items] EBP, Asset [Abstract] Assets EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Investments at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Investments at contract value EBP, Note Receivable from Participant Notes receivable from participants EBP, Net Asset Available for Benefit Net Assets Available for Benefits, End of year Net Assets Available for Benefits, Beginning of year Net Assets Available for Benefits Statement of Changes in Net Assets Available for Benefits EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Change in Net Asset Available for Benefit, Increase [Abstract] Additions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Investment income: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment Interest and dividends EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Net investment income EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Participants EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash Employer EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Rollovers EBP, Change in Net Asset Available for Benefit, Increase from Contribution Total contributions EBP, Change in Net Asset Available for Benefit, Increase Total additions EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Deductions EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease Total deductions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Net Increase Description of the Plan EBP, Description of Plan [Table] EBP, Description of Plan [Line Items] Description of the Plan Plan Termination EBP, Description of Plan [Text Block] Description of the Plan Summary of Significant Accounting Policies EBP, Accounting Policy [Table] EBP, Accounting Policy [Line Items] Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Summary of Significant Accounting Policies Fair Value Measurements EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Line Items] Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Fair Value Measurements Guaranteed Annuity Contract EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Fully Benefit-Responsive Investment Contract [Line Items] Guaranteed Annuity Contract EBP, Fully Benefit-Responsive Investment Contract [Text Block] Guaranteed Annuity Contract Related Party and Party in Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Line Items] Related Party and Party in Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] Related Party and Party in Interest Transactions No definition available. Plan Termination EBP, Plan Termination [Text Block] Plan Termination Tax Status EBP, Tax Status [Table] EBP, Tax Status [Line Items] Tax Status EBP, Tax Status [Text Block] Tax Status No definition available. Prohibited Transactions EBP, Schedule of Delinquent Participant Contribution [Table] EBP, Schedule of Delinquent Participant Contribution [Line Items] Prohibited Transactions Schedule H, Line 4(a) - Schedule of Delinquent Participant Contributions The entire disclosure for prohibited transactions of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Prohibited Transactions [Text Block] Prohibited Transactions Risk and Uncertainties EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Line Items] Risk and Uncertainties EBP, Risk and Uncertainty [Text Block] Risk and Uncertainties Schedule H, Line 4(a) - Schedule of Delinquent Participant Contributions EBP, Schedule of Delinquent Participant Contribution [Text Block] Schedule H, Line 4(a) - Schedule of Delinquent Participant Contributions Schedule H, Line 4(i) - Schedule of Assets (Held at End of Year) EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Line Items] Schedule H, Line 4(i) - Schedule of Assets (Held at End of Year) EBP, Schedule of Asset Held for Investment [Text Block] Schedule H, Line 4(i) - Schedule of Assets (Held at End of Year) EBP, Basis of Accounting [Policy Text Block] Basis of Accounting EBP, Use of Estimate [Policy Text Block] Use of Estimates EBP, Investment [Policy Text Block] Investment Valuation and Income Recognition EBP, Note Receivable from Participant [Policy Text Block] Notes Receivable from Participants EBP, Contribution [Policy Text Block] Contributions EBP, Expense [Policy Text Block] Expenses EBP, Payment to Participant [Policy Text Block] Payment of Benefits EBP, Investment, Fair Value and NAV [Table Text Block] Schedule of Plan's assets at fair value Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum [Member] Maximum Maximum Minimum [Member] Minimum Minimum EBP, Description, Available [true false] Description of plan available Represents the minimum service period for plan eligibility under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Service Period For Plan Eligibility Minimum service period for Plan eligibility Represents the minimum age criteria for plan eligibility under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Age For Plan Eligibility Minimum age for Plan eligibility EBP, Participant Contribution, Automatic, Deferral Rate Automatic enrollment deferral rate (as a percent) The percentage of eligible compensation that the employer contributes to all eligible participants as a non-elective safe harbor contribution under the (employee benefit plan (EBP)). Employee Benefit Plan, Safe Harbor Contribution Rate Safe harbor contribution rate EBP, Employer Contribution, Matching Percentage Matching contributions to the participant rate (as a percent) EBP, Employer Contribution, Participant Compensation Matched, Percentage Maximum Matching contribution to participants eligible compensation (as a percent) Percentage of a participant's eligible compensation that the employer contributes as a discretionary contribution in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Employer Discretionary Contribution, Rate Discretionary rate contribution The period of service a participant must complete before becoming eligible to receive discretionary employer contributions under the (employee benefit plan (EBP)). Employee Benefit Plan, Employer Discretionary Contribution, Minimum Service Period For Eligibility Minimum service period for eligibility Percentage by which a participant's contribution is automatically increased each year under the plan's escalation feature. Employee Benefit Plan, Participant Contribution, Automatic, Deferral Rate Annual Increase Annual increase in deferral rate The maximum percentage by which a participant's contribution is automatically increased each year under the plan's escalation feature. Employee Benefit Plan, Participant Contribution, Automatic, Maximum Deferral Rate Annual Increase Maximum annual increase in deferral rate The period of service a participant must complete before becoming eligible to receive matching employer contributions under the (employee benefit plan (EBP)). Employee Benefit Plan, Employer Matching Contribution, Vesting Period Matching contribution, vesting period Percentage vested in eligible matching compensation contributed for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) after vesting period has been completed. Employee Benefit Plan, Employer Matching Contribution, Vesting Percent Matching contribution, vesting percentage Percentage vested in eligible matching compensation contributed for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) for each period of service. Employee Benefit Plan, Employer Matching Contribution, Vesting Percent For Each Period Of Service Matching contribution, vesting percentage for each period of service EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Note receivable, minimum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Note receivable, maximum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Note receivable, maximum borrowing percentage EBP, Asset Held for Investment, Participant Loan, Interest Rate Loan interest rate Notes receivable from participants, Interest rate Represents the percentage points added to the prime rate to compute the interest rate on participant loans. Employee Benefit Plan, Note Receivable From Participant, Basis Spread on Prime Rate Variable interest rate basis Term of participant loan of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable From Participant, Term Loan term Number of notes outstanding a participant may borrow at any time in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable from Participant, Account, Maximum Borrowing, Number of Loans Maximum number of loans EBP, Forfeited Nonvested Account Forfeited non-vested accounts EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Contributions reduced from forfeited nonvested accounts EBP, Note Receivable from Participant, Allowance for Credit Loss Allowance for credit losses Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Level 1 Investment Type [Axis] Investments [Domain] Mutual Fund [Member] Mutual funds EBP, Pooled Separate Account [Member] Pooled separate accounts Common Collective Trust [Member] Collective trust funds EBP, Employer, Common Stock [Member] Employer security EBP, Fair Value, Investment, NAV, Unfunded Commitment Unfunded commitments Guaranteed interest rate on investments held by employee stock purchases, savings or similar plans in insurance contracts meeting fully benefit investment criteria. Employee Benefit Plan, Fully Benefit Responsive Investment Contract, Guaranteed Interest Rate Guaranteed interest rate EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Domain] EBP, Trustee [Member] Trustee Represents the percentage of vesting of participant accounts in the event of termination. Employee Benefit Plan, Vesting Percentage In Event Of Termination Vesting percentage EBP, Tax Determination Letter, Obtained [true false] EBP, Tax Determination Letter, Date Determination letter date EBP, Tax Qualification Status [Extensible Enumeration] EBP, Schedule of Delinquent Participant Contribution, Transferred Late to Plan Amount of delinquent participant contributions transferred late to the plan Participant Contributions Late to Plan Entity Tax Identification Number Entity tax identification number EBP, Plan Name EBP, Plan Number Plan number EBP, Schedule of Delinquent Participant Contribution, Late Repayment Included [true false] Late Participant Loan Repayments are included EBP, Schedule of Delinquent Participant Contribution, Corrected Total Fully Corrected under VFCP and PTE 2002-51 Investment, Identifier [Axis] EBP, Asset Held for Investment, Party-in-Interest [true false] Investment party-in-interest EBP, Investment, Issuer Name [Extensible Enumeration] Investment issuer name EBP, Investment, Current Value, Type [Extensible Enumeration] Investment type EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] Investment participation status EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Current value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Notes receivable from participants EBP, Asset Held for Investment Total