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Share-Based Compensation - Stock Options Activity (Details) - Stock options - 2021 Equity Incentive Plan - shares	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Stock Options
Options outstanding at beginning of period (in shares)	730,550	824,300
Granted (in shares)	0	0
Exercised (in shares)	(129,750)	(33,750)
Forfeited (in shares)	0	0
Options outstanding at end of period (in shares)	600,800	790,550
Options exercisable at end of period (in shares)	600,800	785,550

X

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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- Definition

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

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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-Name Accounting Standards Codification
-Section 50
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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