CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands |
Total ATNI Stockholders' Equity |
Common Stock |
Treasury Stock, at cost |
Additional Paid In Capital |
Retained Earnings |
Other Comprehensive Income/(Loss) |
Non-Controlling Interests |
Total |
|---|---|---|---|---|---|---|---|---|
| Balance, beginning of period at Dec. 31, 2024 | $ 489,493 | $ 179 | $ (102,413) | $ 212,759 | $ 368,191 | $ 10,777 | $ 105,958 | $ 595,451 |
| Increase (Decrease) in Stockholders' Equity | ||||||||
| Issuance of common units | 1 | (1) | ||||||
| Purchase of common stock | (730) | (730) | (730) | |||||
| Stock-based compensation | 1,611 | 1,611 | 293 | 1,904 | ||||
| Dividends declared on common stock | (3,652) | (3,652) | (3,652) | |||||
| Repurchase of noncontrolling interests | (7) | (7) | (38) | (45) | ||||
| Accrued dividend - redeemable preferred units | (1,458) | (1,458) | (1,458) | |||||
| Deemed dividend - redeemable common units | (3,425) | (3,425) | 3,631 | 206 | ||||
| Comprehensive income: | ||||||||
| Net loss | (8,928) | (8,928) | (2,459) | (11,387) | ||||
| Other comprehensive income (loss) | 431 | 431 | 431 | |||||
| Total comprehensive loss | (8,497) | (8,928) | 431 | (2,459) | (10,956) | |||
| Balance, end of period at Mar. 31, 2025 | 473,335 | 180 | (103,143) | 214,362 | 350,728 | 11,208 | 107,385 | 580,720 |
| Balance, beginning of period at Dec. 31, 2025 | 444,292 | 181 | (103,183) | 220,156 | 312,407 | 14,731 | 109,687 | 553,979 |
| Increase (Decrease) in Stockholders' Equity | ||||||||
| Issuance of common units | 2 | (2) | ||||||
| Purchase of common stock | (1,863) | (1,863) | (1,863) | |||||
| Stock-based compensation | 1,780 | 1,780 | 155 | 1,935 | ||||
| Dividends declared on common stock | (4,229) | (4,229) | (4,229) | |||||
| Repurchase of noncontrolling interests | 2 | 2 | (212) | (210) | ||||
| Accrued dividend - redeemable preferred units | (1,594) | (1,594) | (1,594) | |||||
| Deemed dividend - redeemable common units | (3,043) | (3,043) | 3,043 | |||||
| Comprehensive income: | ||||||||
| Net loss | (2,797) | (2,797) | (677) | (3,474) | ||||
| Other comprehensive income (loss) | 1,031 | 1,031 | 1,031 | |||||
| Total comprehensive loss | (1,766) | (2,797) | 1,031 | (677) | (2,443) | |||
| Balance, end of period at Mar. 31, 2026 | $ 433,579 | $ 183 | $ (105,046) | $ 221,936 | $ 300,744 | $ 15,762 | $ 111,996 | $ 545,575 |
| X | ||||||||||
- Definition Amount of deemed dividend declared during the reporting period. No definition available.
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| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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