v3.24.1.1.u2

Earnings Per Common Share - Additional information (Details) - USD ($) $ in Millions				1 Months Ended	3 Months Ended
	May 31, 2023	Jul. 25, 2022	Mar. 28, 2022	Jun. 30, 2022	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option granted to directors				132,977	14,780	0
Vesting period for directors					5 years
Stock Repurchase Program, March 28, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchased (in share)			83,300
Stock repurchased (as a percent)			3.40%
Stock Repurchase Program, July 25, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchased (as a percent)		3.60%
Stock Repurchase Program, July 25, 2022 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchased (in share)		87,000
Stock Repurchase Program, May 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized stock repurchase program	$ 1.0
Number of shares authorized to repurchase	91,000
Stock repurchased (as a percent)	4.00%
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares granted to directors				53,191	5,912

Percentage of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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.

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Gross number of share options (or share units) granted during the period.

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Amount of stock repurchase plan authorized.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Generations Bancorp NY, Inc. 10-Q/A