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Restricted Stock Awards, Performance-based, Issued, Intrinsic Value

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Restricted Stock Awards, Performance-based, Vested Balance

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Number of shares reserved for issuance under equity instrument agreements awarded that validly exist and are outstanding, including vested instruments.

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- Definition

Cumulative number of shares issued pursuant to the Plan.

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested, Grant Date Fair Value

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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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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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 highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

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- Definition

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

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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

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

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 718
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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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Amount of noncash expense for option under share-based payment arrangement.

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Equity Plans - Narrative (Details) $ in Thousands	12 Months Ended
Equity Plans - Narrative (Details) $ in Thousands	Dec. 31, 2022 USD ($) interval shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Jan. 31, 2023 USD ($)
Option Indexed to Issuer's Equity [Line Items]
Fair value of restricted stock awards \| $	$ 4,369	$ 3,332	$ 3,333
Performance-based and market-based restricted stock awards issued (in shares)	11,551	7,327	5,327
Performance-based and market-based restricted stock awards vested (in shares)	22,421
Performance-based and market-based restricted stock awards outstanding (in shares)	58,346
Number of purchase intervals \| interval	16
Shares issued during the period under the plan	36,585	35,304	31,750
Restricted stock and deferred restricted stock
Option Indexed to Issuer's Equity [Line Items]
Unrecognized compensation cost \| $	$ 4,178
Period for recognition of compensation cost	1 year 9 months 3 days
Performance Shares \| Minimum
Option Indexed to Issuer's Equity [Line Items]
Range of shares issuable	0.00%
Performance Shares \| Maximum
Option Indexed to Issuer's Equity [Line Items]
Range of shares issuable	150.00%
Market-based RSU \| Minimum
Option Indexed to Issuer's Equity [Line Items]
Range of shares issuable	0.00%
Market-based RSU \| Maximum
Option Indexed to Issuer's Equity [Line Items]
Range of shares issuable	200.00%
Incentive Plan \| Restricted stock and deferred restricted stock
Option Indexed to Issuer's Equity [Line Items]
Number of shares available for issuance (in shares)	623,716
Employee Stock Purchase Plan
Option Indexed to Issuer's Equity [Line Items]
Purchase price of common stock to employees under the plan, percent	85.00%
Maximum percent of base salary employees can designate for share purchase under the plan	10.00%
Expenses recorded under the plan \| $	$ 377	$ 361	$ 342
Employee Stock Purchase Plan \| Subsequent Event
Option Indexed to Issuer's Equity [Line Items]
Unrecognized compensation cost \| $				$ 147
Common Stock \| Incentive Plan
Option Indexed to Issuer's Equity [Line Items]
Number of shares reserved for issuance under the plan (in shares)	1,800,000
Maximum number of shares per employee (in shares)	600,000
Shares issued pursuant to the plan (in shares)	1,013,782	946,086	880,495
Shares issuable under the plan upon exercise of outstanding awards (in shares)	162,502	168,721	178,106
Common Stock \| Employee Stock Purchase Plan
Option Indexed to Issuer's Equity [Line Items]
Number of shares reserved for issuance under the plan (in shares)	400,000
Number of shares available for issuance (in shares)	148,924