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Stock Options and Restricted Shares - Additional Information (Details)	3 Months Ended
	Mar. 31, 2021 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate value of options exercised | $	$ 609,000
Number of Shares, Vested | shares	25,000
Surrender of exercised stock options | shares	6,597
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized | $	$ 2,000,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	26 months
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate value of options exercised | $	$ 1,497,382
Share-based Compensation Arrangements by Share-based Payment Award, Surrender of Exercised Options | shares	186,816

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- Definition

Represents the surrender of exercised stock options in share-based payment arrangement.

+ References

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Represents the surrender of vested equity instruments other than options in share-based payment arrangement.

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

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

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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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Value of stock issued as a result of the exercise of stock options.

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