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Stockholders’ Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 28 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 | May 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2023 | Dec. 31, 2023 | Sep. 21, 2023 | Aug. 08, 2023 | Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares available (in shares) |  |  | 579,973 |  | 579,973 |  |  | 579,973 |  |  |
Awards issued (in shares) |  |  |  |  | 194,611 |  | 260,370 |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  |  |  |  |  | $ 250,000 |  | $ 50,000
Stock repurchased and subsequently retired |  |  | $ 7,971 | $ 3,498 | $ 18,706 | $ 8,223 |  | $ 33,900 |  |  |
Shares repurchased |  |  | 7,971 | $ 3,498 | 18,706 | $ 8,223 |  |  |  |  |
Excise taxes accrued |  |  | 74 |  | 118 |  |  |  |  |  |
Stock repurchase program, remaining repurchase amount |  |  | $ 242,000 |  | 242,000 |  |  | $ 242,000 |  |  |
Shares issued on conversion (in shares) |  | 500,000 |  |  |  |  |  |  |  |  |
Common Class B | Pdv Spectrum Holding Company Llc |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity method investee, cumulative proceeds received on all transactions | $ 10,000 |  |  |  |  |  |  |  |  |  |
Sale of stock (in shares) | 500,000 | 500,000 |  |  |  |  |  |  |  |  |
Sale of stock (in dollars per share) | $ 20.00 |  |  |  |  |  |  |  |  |  |
Common Class A |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of units owned | 100.00% |  |  |  |  |  |  |  |  |  |
Common Class A | Pdv Spectrum Holding Company Llc |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |
Subsidiary equity units for which investor has right to convert to common stock (in shares) | 500,000 |  |  |  |  |  |  |  |  |  |
2023 Stock Plan |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock authorized and reserved for issuance (in shares) |  |  |  |  |  |  |  |  |  | 250,000 |
Stock repurchased and subsequently retired |  |  |  |  | $ 8,000 |  |  |  |  |  |
2023 Stock Plan | Performance Shares |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |
Performance threshold, percentage |  |  |  |  | 100.00% |  |  |  |  |  |
2014 Stock Plan |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares available (in shares) |  |  | 388,151 |  | 388,151 |  |  | 388,151 |  |  |
2014 Stock Plan | Performance Shares |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock authorized and reserved for issuance (in shares) |  |  | 181,887 |  | 181,887 |  |  | 181,887 |  |  |
2021 Share Repurchase Plan |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stock repurchased and subsequently retired |  |  |  |  | $ 10,700 |  |  |  |  |  |

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