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Stock-Based Awards - Summary of Option Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Options, beginning balance	305,000	485,536	570,537
Options, Granted	0
Options, Forfeitures/expirations	(162,500)	(63,536)	(1)
Options, Exercised	(142,500)	(117,000)	(85,000)
Options, ending balance	0	305,000	485,536
Weighted Average Exercise Price of Options, beginning balance	$ 5.68	$ 4.80	$ 4.36
Weighted Average Exercise Price of Options, Granted	0
Weighted Average Exercise Price of Options, Forfeitures or expirations	5.72	2.49	6.50
Weighted Average Exercise Price of Options, Exercised	5.64	4.81	0.70
Weighted Average Exercise Price of Options, ending balance	$ 0	$ 5.68	$ 4.80

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For presentations that combine terminations, 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 or that expired.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)-(4)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted average price of options that were either forfeited or expired.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)-(4)
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Gross number of share options (or share units) granted during the period.

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

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-Topic 718
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Stock Issued During Period Shares Stock Options Exercised For Cash And Cashless

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