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Represents period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Aggregate number of common shares reserved for future issuance.

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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No definition available.

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- Definition

Amount of cost for defined contribution plan.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

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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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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- Definition

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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- 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.

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No definition available.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

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No definition available.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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EMPLOYEE BENEFIT PLANS - Additional Information (Details) - USD ($)		12 Months Ended
	Apr. 01, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options exercised		58,000	37,533	59,289
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based Compensation Expense		$ 302,000	$ 0	$ 0
Unrecognized compensation expense		$ 323,000
Number of stock awards granted		82,673
Shares cancelled		0
Restricted stock \| Weighted average
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year 8 months 5 days
Performance Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock awards granted		33,375
Shares cancelled		0
Performance Based \| Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares cancelled	8,000
Time Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock awards granted		49,298
Shares cancelled		0
Retirement Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expenses related to plan		$ 561,000	$ 527,000	$ 547,000
Directors' and Executive Officers' Deferred Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred compensation plan annual interest rate		4.46%	4.28%	3.99%
Aggregate liability under the plan		$ 263,000	$ 186,000
Stock Option Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum term		10 years
Vesting period		Zero to five years
Number of shares reserved for common stock		1,800,000
Stock based Compensation Expense		$ 0	0	$ 0
Unrecognized compensation expense		0
Total intrinsic value of stock options exercised		238,000	153,000	$ 257,000
Stock Option Plans \| President and Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based Compensation Expense		$ 44,000	$ 44,000
Number of stock options granted		1,000	2,500
Stock Option Plans \| Trust Company \| President and Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options granted		0	0	0
Number of stock options exercised		1,500	0