The average return on equity period used for conditions for vesting of performance-based restricted stock units.

No definition available.

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- Definition

The cumulative diluted earnings per share period used for conditions for vesting of performance-based restricted stock units.

+ References

No definition available.

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- Definition

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

+ References

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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.

+ References

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- Definition

Amount of cost (reversal of cost) for other postretirement benefits. Excludes pension benefits.

+ References

No definition available.

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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 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

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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Employee benefit plans - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Common stock available for grant as awards	17,364		17,364
Salaries and employee benefits expense	$ 157	$ 223	$ 473	$ 613
2023 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Common stock available for grant as awards	96,572		96,572
Salaries and employee benefits expense	$ 102		$ 102
Non-Performance-based restricted stock \| 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Shares or units vesting period			3 years
Performance-based restricted stock units \| 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Shares or units vesting period			3 years
Cumulative diluted earnings per share period used for conditions for vesting of performance-based restricted stock units			3 years
Average return on equity period used for conditions for vesting of performance-based restricted stock units			3 years
Restricted Stock \| 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized compensation expense	$ 1,400		$ 1,400
Weighted average vesting period			1 year 9 months 18 days
Restricted stock and restricted stock units in aggregate \| 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Granted shares				19,787
Restricted stock and restricted stock units in aggregate \| 2023 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Granted shares			23,428