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Redeemable Non-controlling Interest (Tables) | 12 Months Ended
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Dec. 31, 2024
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract] |
Summary of Redeemable Non-controlling Interest Activity | The following table summarizes the redeemable non-controlling interest activity for the year ended December 31, 2024 and 2023:
|  | For the year ended December 31, |  |
(In thousands) |  | 2024 |  |  | 2023 |  |
Balance at beginning of period |  | $ | 442,152 |  |  | $ | — |  |
Reclassification of non-controlling interests |  |  | 1,175 |  |  |  | 443,757 |  |
Redemption of redeemable non-controlling interests |  |  | (20,384 | ) |  |  | (1,657 | ) |
Net income attributable to redeemable non-controlling interests |  |  | 9,824 |  |  |  | 10,092 |  | (1)
Annual recurring compensation earned |  |  | (9,824 | ) |  |  | (10,092 | ) | (1)
Adtran Networks stock option exercises |  |  | — |  |  |  | 52 |  |
Balance at end of period |  | $ | 422,943 |  |  | $ | 442,152 |  | (1)
(1) During the the third quarter of 2024, the Company identified errors primarily impacting the carrying values of the redeemable non-controlling interest, retained deficit, the net income attributable to the non-controlling interest and the net loss attributable to the Company and, as a consequence, of the loss per common share attributable to the Company. We have revised our previously issued Consolidated Financial Statements for the year ended December 31, 2023. See Note 1 for additional information.

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- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References No definition available. + Details
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