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Share-Based Compensation - Schedule of Information with Respect to Outstanding and Exercisable Stock Options (Detail) - $ / shares | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 995,091 | 1,227,074 | 2,437,609 | 2,818,433
Options Outstanding, Weighted Average Exercise Price | $ 9.02 | $ 10.07 | $ 9.32 | $ 9.59
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 4 years 6 months 25 days |  |  |
Options Exercisable, Number Exercisable | 929,700 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 8.68 |  |  |
Range of Exercise Prices $2.82 - $2.82 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 64,000 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 2.82 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 1 year 4 months 9 days |  |  |
Options Exercisable, Number Exercisable | 64,000 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 2.82 |  |  |
Range of Exercise Prices $3.93 - $3.93 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 106,656 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 3.93 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 3 years 4 months 17 days |  |  |
Options Exercisable, Number Exercisable | 106,656 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 3.93 |  |  |
Range of Exercise Prices $4.49 - $5.00 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 108,922 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 4.60 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 3 years 9 months 18 days |  |  |
Options Exercisable, Number Exercisable | 108,922 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 4.60 |  |  |
Range of Exercise Prices $5.90 - $5.90 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 23,704 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 5.90 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 3 years 2 months 4 days |  |  |
Options Exercisable, Number Exercisable | 23,704 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 5.90 |  |  |
Range of Exercise Prices $5.96 - $5.96 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 105,645 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 5.96 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 4 years 4 months 20 days |  |  |
Options Exercisable, Number Exercisable | 105,645 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 5.96 |  |  |
Range of Exercise Prices $6.51 - $7.22 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 73,308 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 6.60 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 11 months 8 days |  |  |
Options Exercisable, Number Exercisable | 73,308 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 6.60 |  |  |
Range of Exercise Prices $8.30 - $8.30 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 105,533 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 8.30 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 5 years 2 months 4 days |  |  |
Options Exercisable, Number Exercisable | 105,533 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 8.30 |  |  |
Range of Exercise Prices $9.69 - $13.15 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 72,794 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 9.94 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 5 years 5 months 1 day |  |  |
Options Exercisable, Number Exercisable | 72,794 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 9.94 |  |  |
Range of Exercise Prices $13.80 - $13.80 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 236,452 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 13.80 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 6 years 2 months 4 days |  |  |
Options Exercisable, Number Exercisable | 171,061 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 13.80 |  |  |
Range of Exercise Prices $15.39 - $21.29 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Options Outstanding, Number of Options Outstanding | 98,077 |  |  |
Options Outstanding, Weighted Average Exercise Price | $ 17.91 |  |  |
Options Outstanding, Weighted Average Remaining Contractual Term (in Years) | 6 years 11 months 1 day |  |  |
Options Exercisable, Number Exercisable | 98,077 |  |  |
Options Exercisable, Weighted Average Exercise Price | $ 17.91 |  |  |

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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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