Market value of shares grants per year.

No definition available.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

+ References

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Amount of noncash expense for share-based payment arrangement.

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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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- 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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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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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- Definition

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

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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Stock-Based Compensation - Additional Information (Details) - USD ($)		3 Months Ended					9 Months Ended
	May 24, 2021	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Mar. 31, 2020	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted in period (in shares)							0
Total intrinsic or aggregate value of options exercise price		$ 3,800,000			$ 59,000		$ 5,900,000	$ 2,400,000
Total unrecognized compensation cost related to nonvested stock options granted		572,000					572,000
Stock-based compensation							$ 3,360,000	2,814,000
Stock Option Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to nonvested stock options/ RSA granted, weighted-average period							3 years 1 month 6 days
Stock-based compensation		49,000			61,000		$ 226,000	261,000
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to nonvested stock options granted		13,100,000					$ 13,100,000
Unrecognized compensation cost related to nonvested stock options/ RSA granted, weighted-average period							4 years 1 month 6 days
Stock-based compensation		846,000			735,000		$ 2,700,000	2,200,000
Granted (in shares)							183,580,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted in period (in shares)							0
Unrecognized compensation cost related to nonvested stock options/ RSA granted, weighted-average period							3 years 3 months 18 days
Stock-based compensation		2,000			2,000		$ 7,000	$ 7,000
Total unrecognized compensation cost related to nonvested restricted stock awards		$ 30,000					$ 30,000
2018 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate shares of common stock authorized (in shares)	600,000
Shares available to be granted (in shares)		249,028					249,028
Stock options granted in period (in shares)							0	0
Total intrinsic or aggregate value of options exercise price							$ 7,120,000
2018 Omnibus Incentive Plan \| Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years		4 years
2018 Omnibus Incentive Plan \| Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		5 years		5 years
2018 Omnibus Incentive Plan \| Share-Based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		43 months
2018 Omnibus Incentive Plan \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			0
2018 Omnibus Incentive Plan \| Restricted Stock Units (RSUs) \| Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		572		76,473
Vesting percentage		16.28%
2018 Omnibus Incentive Plan \| Restricted Stock Units (RSUs) \| Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		3,361		3,174
Vesting percentage		2.3256%
2018 Omnibus Incentive Plan \| Restricted Stock Units (RSUs) \| Share-Based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		25,000
2018 Omnibus Incentive Plan \| Restricted Stock \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market value of shares grants per year							60,000
2018 Omnibus Incentive Plan \| Restricted Stock \| Board Chair
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market value of shares grants per year							90,000
2018 Omnibus Incentive Plan \| Restricted Stock \| Committee Chairs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market value of shares grants per year							15,000
2018 Omnibus Incentive Plan \| Restricted Stock \| Non-Financial Risk and Compensation Committee Chair
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market value of shares grants per year							12,500
2018 Omnibus Incentive Plan \| Restricted Stock \| Asset Liability & Investment, Credit and Nominating & Governance Chair
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market value of shares grants per year							$ 10,000
2018 Omnibus Incentive Plan \| Performance Shares \| Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		60,000
2018 Omnibus Incentive Plan \| Performance Shares \| Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		15,000
2006 Plan and the Directors' Stock Bonus Plan (2006 Plan)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate shares of common stock authorized (in shares)						0
Directors Stock Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to nonvested stock options/ RSA granted, weighted-average period							8 months 12 days
Directors Stock Compensation Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation		$ 184,000			$ 120,000		$ 442,000	$ 312,000
Granted (in shares)							16,698,000
Directors Stock Compensation Plan \| Restricted Stock \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to nonvested stock options granted		$ 481,000					$ 481,000
Maximum \| 2018 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate shares of common stock authorized (in shares)						500,000