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Business Segment Information
 9 Months Ended
Sep. 30, 2025
Segment Reporting [Abstract]  
Business Segment Information
Note 12 Business Segment Information
As of September 30, 2025, the wireless operations and select spectrum assets sold to T-Mobile qualified as discontinued operations. See Note 2 — Discontinued Operations for additional information. The wireless operations and select spectrum assets sold were reported within the Wireless segment in prior periods and as a result of the sale, the previously reported Wireless and Towers segments no longer meet the criteria to be reportable segments and Array is now a single reportable segment. Array generates its revenues by leasing tower space on Array-owned towers to other wireless carriers. Array's chief operating decision maker is the TDS President and Chief Executive Officer.
Although the chief operating decision maker regularly uses Adjusted earnings before interest, taxes, depreciation, amortization and accretion (Adjusted EBITDA) for purposes of assessing performance and making capital allocation decisions, Array has concluded that Net income attributable to Array shareholders, as reported on the Consolidated Statement of Operations, is also used and is the measure of profit or loss required to be disclosed under the provisions of ASC 280 for a single operating segment. The measure of segment assets is reported in the Consolidated Balance Sheet as "Total assets".