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v3.22.2.2

Stock-Based Compensation - Summary of Stock Options Outstanding (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 15, 2022 | Sep. 30, 2022 | Sep. 30, 2022 | Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Number of Stock Options, Stock options outstanding, Beginning Balance |  |  |  | 1,721 |
Number of Stock Options, Stock options exercised |  |  |  | (439) |
Number of Stock Options, Stock options forfeited |  |  |  | (12) |
Number of Stock Options, Stock options expired |  |  |  | (70) |
Number of Stock Options, Stock options outstanding, Ending Balance |  |  | 3,180 | 3,180 | 1,721
Number of Stock Options, Stock options exercisable |  |  | 1,627 | 1,627 |
Weighted Avg. Exercise Price, Stock options outstanding, Beginning Balance |  |  |  | $ 19.37 |
Weighted Avg. Exercise Price, Stock options exercised |  |  |  | 16.16 |
Weighted Avg. Exercise Price, Stock options forfeited |  |  |  | 11.08 |
Weighted Avg. Exercise Price, Stock options expired |  |  |  | 26.38 |
Weighted Avg. Exercise Price, Stock options outstanding, Ending Balance |  |  | $ 14.58 | 14.58 | $ 19.37
Weighted Avg. Exercise Price, Stock options exercisable |  |  | $ 16.85 | $ 16.85 |
Weighted Avg. Remaining Contractual Life In Years, Stock options outstanding |  |  |  | 3 years 6 months | 2 years 4 months 24 days
Weighted Avg. Remaining Contractual Life in Years, Stock options exercisable |  |  |  | 2 years |
Aggregate Intrinsic Value, Stock options outstanding |  |  |  | $ 6,669 |
Aggregate Intrinsic Value, Stock options outstanding |  |  | $ 17,839 | 17,839 | $ 6,669
Aggregate Intrinsic Value, Stock options exercisable |  |  | $ 6,375 | $ 6,375 |
ADVA Optical Networking SE [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Number of Stock Options, Stock options outstanding, Beginning Balance |  |  | 2,745 |  |
Number of Stock Options, Stock options replaced | [1] |  | (2,403) | 1,980 |
Number of Stock Options, Stock options exercised |  |  | (56) |  |
Number of Stock Options, Stock options forfeited |  |  | (4) |  |
Number of Stock Options, Stock options outstanding, Ending Balance |  | 2,745 | 282 | 282 |
Number of Stock Options, Stock options exercisable |  |  | 32 | 32 |
Weighted Avg. Exercise Price, Stock options outstanding, Beginning Balance |  |  | $ 9.09 |  |
Weighted Avg. Exercise Price, Stock options replaced | [1] |  | 9.25 | $ 11.16 |
Weighted Avg. Exercise Price, Stock options exercised |  |  | 6.79 |  |
Weighted Avg. Exercise Price, Stock options forfeited |  |  | 7.91 |  |
Weighted Avg. Exercise Price, Stock options outstanding, Ending Balance |  | $ 9.09 | 8.45 | 8.45 |
Weighted Avg. Exercise Price, Stock options exercisable |  |  | $ 7.72 | $ 7.72 |
Weighted Avg. Remaining Contractual Life In Years, Stock options outstanding |  | 4 years 7 months 6 days | 3 years 10 months 24 days |  |
Weighted Avg. Remaining Contractual Life in Years, Stock options exercisable |  |  | 1 year 2 months 12 days |  |
Aggregate Intrinsic Value, Stock options outstanding |  |  | $ 27,205 |  |
Aggregate Intrinsic Value, Stock options outstanding |  | $ 27,205 | 2,976 | $ 2,976 |
Aggregate Intrinsic Value, Stock options exercisable |  |  | $ 363 | $ 363 |
[1] | Each ADVA stock option surrendered was exchanged for 0.8244 ADTRAN Holdings stock options.

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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + 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 (c)(1)(iv)(04) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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 (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + 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 (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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