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Pay vs Performance Disclosure | 12 Months Ended
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Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table | Pay Versus Performance The following table sets forth information concerning the compensation of our Principal Executive Officer (“PEO”) and Named Executive Officers (“NEO”) for each of the fiscal years ended December 31, 2024, 2023, 2022, 2021 and 2020, and our financial performance for each such fiscal year (except for shareholder returns, all figures in 000s):
Year | ​ | ​ | Summary Compensation Table Total for PEO ($) | ​ | ​ | Compensation Actually Paid to PEO ($)(1) | ​ | ​ | Average Summary Compensation Table Total for Non-PEO NEOs ($) | ​ | ​ | Average Compensation Actually Paid to Non-PEO NEOs ($)(1) | ​ | ​ | Value of Initial Fixed $100 Investment Based on: | ​ | ​ | Net Income (Loss) ($) | ​ | ​ | EBITDA(3) | ​
​ | Total Shareholder Return ($) | ​ | ​ | Peer Group Total Shareholder Return ($)(2) | ​
2024 | ​ | ​ | ​ | ​ | 12,685 | ​ | ​ | ​ | ​ | ​ | 12,764 | ​ | ​ | ​ | ​ | ​ | 2,890 | ​ | ​ | ​ | ​ | ​ | 1,703 | ​ | ​ | ​ | ​ | ​ | 113.59 | ​ | ​ | ​ | ​ | ​ | 122.91 | ​ | ​ | ​ | ​ | ​ | (204,074) | ​ | ​ | ​ | ​ | ​ | 122,818 | ​ | ​
2023 | ​ | ​ | ​ | ​ | 8,839 | ​ | ​ | ​ | ​ | ​ | 20,476 | ​ | ​ | ​ | ​ | ​ | 1.343 | ​ | ​ | ​ | ​ | ​ | 1,955 | ​ | ​ | ​ | ​ | ​ | 141.50 | ​ | ​ | ​ | ​ | ​ | 90.96 | ​ | ​ | ​ | ​ | ​ | 1,273,441 | ​ | ​ | ​ | ​ | ​ | 129,805 | ​ | ​
2022 | ​ | ​ | ​ | ​ | 10,917 | ​ | ​ | ​ | ​ | ​ | 1,316 | ​ | ​ | ​ | ​ | ​ | 1,263 | ​ | ​ | ​ | ​ | ​ | 201 | ​ | ​ | ​ | ​ | ​ | 100.20 | ​ | ​ | ​ | ​ | ​ | 82.21 | ​ | ​ | ​ | ​ | ​ | 5,146 | ​ | ​ | ​ | ​ | ​ | 230,620 | ​ | ​
2021 | ​ | ​ | ​ | ​ | 11,504 | ​ | ​ | ​ | ​ | ​ | 18,763 | ​ | ​ | ​ | ​ | ​ | 1,040 | ​ | ​ | ​ | ​ | ​ | 1,633 | ​ | ​ | ​ | ​ | ​ | 120.98 | ​ | ​ | ​ | ​ | ​ | 112.44 | ​ | ​ | ​ | ​ | ​ | 48,815 | ​ | ​ | ​ | ​ | ​ | 214,347 | ​ | ​
2020 | ​ | ​ | ​ | ​ | 14,111 | ​ | ​ | ​ | ​ | ​ | 8,406 | ​ | ​ | ​ | ​ | ​ | 1,248 | ​ | ​ | ​ | ​ | ​ | 928 | ​ | ​ | ​ | ​ | ​ | 94.72 | ​ | ​ | ​ | ​ | ​ | 110.08 | ​ | ​ | ​ | ​ | ​ | 6,216 | ​ | ​ | ​ | ​ | ​ | 227,920 | ​ | ​
​ (1) Amounts represent compensation actually paid to our PEO and the average compensation actually paid to our remaining NEOs for the relevant fiscal year, as determined under SEC rules (and described below), which includes the individuals indicated in the table below for each fiscal year: ​
Year | ​ | ​ | PEO | ​ | ​ | Non-PEO NEOs | ​
2024 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, James Bubeck, John Chang, Henry Kilmer | ​
2023 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, James Bubeck, John Chang, Henry Kilmer, Greg O’Connor and Jeff Danielson | ​
2022 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, Sean Wallace, James Bubeck, John Chang and Henry Kilmer | ​
2021 | ​ | ​ | Dave Schaeffer | ​ | ​ | Sean Wallace, James Bubeck, Brad Kummer, John Chang and Timothy O’Neill | ​
2020 | ​ | ​ | Dave Schaeffer | ​ | ​ | Sean Wallace, Thaddeus Weed, Jean-Michel Slagmuylder, Timothy O’Neill, James Bubeck and Brad Kummer | ​
Compensation actually paid to our NEOs represents the “Total” compensation reported in the Summary Compensation Table for the applicable fiscal year, as adjusted as follows (all figures in 000s):
​ | ​ | ​ | 2024 ($, in 000s) | ​ | ​ | 2023 ($, in 000s) | ​ | ​ | 2022 ($, in 000s) | ​ | ​ | 2021 ($, in 000s) | ​ | ​ | 2020 ($, in 000s) | ​
Adjustments | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​
Deduction for Amounts Reported under the “Stock Awards” and “Option Awards” Columns in the Summary Compensation Table for Applicable FY | ​ | ​ | ​ | ​ | (12,489) | ​ | ​ | ​ | ​ | ​ | (2,551) | ​ | ​ | ​ | ​ | ​ | (8,716) | ​ | ​ | ​ | ​ | ​ | (1,068) | ​ | ​ | ​ | ​ | ​ | (10,798) | ​ | ​ | ​ | ​ | ​ | (999) | ​ | ​ | ​ | ​ | ​ | (11,148) | ​ | ​ | ​ | ​ | ​ | (746) | ​ | ​ | ​ | ​ | ​ | (13,876) | ​ | ​ | ​ | ​ | ​ | (936) | ​ | ​
Increase based on ASC 718 Fair Value of Awards Granted during Applicable FY that Remain Unvested as of Applicable FY End, determined as of Applicable FY End | ​ | ​ | ​ | ​ | 12,703 | ​ | ​ | ​ | ​ | ​ | 1,303 | ​ | ​ | ​ | ​ | ​ | 12,170 | ​ | ​ | ​ | ​ | ​ | 1,033 | ​ | ​ | ​ | ​ | ​ | 8,761 | ​ | ​ | ​ | ​ | ​ | 799 | ​ | ​ | ​ | ​ | ​ | 12,841 | ​ | ​ | ​ | ​ | ​ | 878 | ​ | ​ | ​ | ​ | ​ | 11,180 | ​ | ​ | ​ | ​ | ​ | 731 | ​ | ​
​ | ​ | ​ | 2024 ($, in 000s) | ​ | ​ | 2023 ($, in 000s) | ​ | ​ | 2022 ($, in 000s) | ​ | ​ | 2021 ($, in 000s) | ​ | ​ | 2020 ($, in 000s) | ​
Adjustments | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​
Increase based on ASC 718 Fair Value of Awards Granted during Applicable FY that Vested during Applicable FY, determined as of Vesting Date | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Increase/deduction for Awards Granted during Prior FY that were Outstanding and Unvested as of Applicable FY End, determined based on change in ASC 718 Fair Value from Prior FY End to Applicable FY End | ​ | ​ | ​ | ​ | 371 | ​ | ​ | ​ | ​ | ​ | 50 | ​ | ​ | ​ | ​ | ​ | 7,396 | ​ | ​ | ​ | ​ | ​ | 456 | ​ | ​ | ​ | ​ | ​ | (6,649) | ​ | ​ | ​ | ​ | ​ | (436) | ​ | ​ | ​ | ​ | ​ | 5,497 | ​ | ​ | ​ | ​ | ​ | 212 | ​ | ​ | ​ | ​ | ​ | (1,622) | ​ | ​ | ​ | ​ | ​ | (146) | ​ | ​
Increase/deduction for Awards Granted during Prior FY that Vested During Applicable FY, determined based on change in ASC 718 Fair Value from Prior FY End to Vesting Date | ​ | ​ | ​ | ​ | (662) | ​ | ​ | ​ | ​ | ​ | (20) | ​ | ​ | ​ | ​ | ​ | 650 | ​ | ​ | ​ | ​ | ​ | 161 | ​ | ​ | ​ | ​ | ​ | (1,025) | ​ | ​ | ​ | ​ | ​ | (180) | ​ | ​ | ​ | ​ | ​ | 910 | ​ | ​ | ​ | ​ | ​ | 222 | ​ | ​ | ​ | ​ | ​ | 659 | ​ | ​ | ​ | ​ | ​ | 16 | ​ | ​
Deduction of ASC 718 Fair Value of Awards Granted during Prior FY that were Forfeited during Applicable FY, determined as of Prior FY End | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (274) | ​ | ​ | ​ | ​ | ​ | (955) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (2,146) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Increase based on Dividends or Other Earnings Paid during Applicable FY prior to Vesting Date | ​ | ​ | ​ | ​ | 156 | ​ | ​ | ​ | ​ | ​ | 30 | ​ | ​ | ​ | ​ | ​ | 137 | ​ | ​ | ​ | ​ | ​ | 32 | ​ | ​ | ​ | ​ | ​ | 98 | ​ | ​ | ​ | ​ | ​ | 25 | ​ | ​ | ​ | ​ | ​ | 114 | ​ | ​ | ​ | ​ | ​ | 27 | ​ | ​ | ​ | ​ | ​ | 100 | ​ | ​ | ​ | ​ | ​ | 15 | ​ | ​
Increase based on Incremental Fair Value of Options/SARs Modified during Applicable FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Deduction for Change in the Actuarial Present Values reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” Column of the Summary Compensation Table for Applicable FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Increase for Service Cost and, if applicable, Prior Service Cost for Pension Plans | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
TOTAL ADJUSTMENTS | ​ | ​ | ​ | ​ | 80 | ​ | ​ | ​ | ​ | ​ | (1,187) | ​ | ​ | ​ | ​ | ​ | 11,637 | ​ | ​ | ​ | ​ | ​ | 613 | ​ | ​ | ​ | ​ | ​ | (9,601) | ​ | ​ | ​ | ​ | ​ | (1,062) | ​ | ​ | ​ | ​ | ​ | 7,259 | ​ | ​ | ​ | ​ | ​ | 592 | ​ | ​ | ​ | ​ | ​ | (5,704) | ​ | ​ | ​ | ​ | ​ | (320) | ​ | ​
​
​ (2) For the relevant fiscal year, represents the cumulative TSR (the “Peer Group TSR”) of NASDAQ Telecommunications Index (the “Peer Group”). ​ (3) EBITDA is a non-GAAP measure. EBITDA represents net cash flows provided by operating activities plus changes in operating assets and liabilities, cash interest expense and cash income tax expense. ​ |  |  |  |
Company Selected Measure Name | EBITDA |  |  |  |
Named Executive Officers, Footnote | (1) Amounts represent compensation actually paid to our PEO and the average compensation actually paid to our remaining NEOs for the relevant fiscal year, as determined under SEC rules (and described below), which includes the individuals indicated in the table below for each fiscal year: ​
Year | ​ | ​ | PEO | ​ | ​ | Non-PEO NEOs | ​
2024 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, James Bubeck, John Chang, Henry Kilmer | ​
2023 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, James Bubeck, John Chang, Henry Kilmer, Greg O’Connor and Jeff Danielson | ​
2022 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, Sean Wallace, James Bubeck, John Chang and Henry Kilmer | ​
2021 | ​ | ​ | Dave Schaeffer | ​ | ​ | Sean Wallace, James Bubeck, Brad Kummer, John Chang and Timothy O’Neill | ​
2020 | ​ | ​ | Dave Schaeffer | ​ | ​ | Sean Wallace, Thaddeus Weed, Jean-Michel Slagmuylder, Timothy O’Neill, James Bubeck and Brad Kummer | ​
Peer Group Issuers, Footnote | (2) For the relevant fiscal year, represents the cumulative TSR (the “Peer Group TSR”) of NASDAQ Telecommunications Index (the “Peer Group”). |  |  |  |
PEO Total Compensation Amount | $ 12,685 | $ 8,839 | $ 10,917 | $ 11,504 | $ 14,111
PEO Actually Paid Compensation Amount | $ 12,764 | 20,476 | 1,316 | 18,763 | 8,406
Adjustment To PEO Compensation, Footnote | (1) Amounts represent compensation actually paid to our PEO and the average compensation actually paid to our remaining NEOs for the relevant fiscal year, as determined under SEC rules (and described below), which includes the individuals indicated in the table below for each fiscal year: ​
Year | ​ | ​ | PEO | ​ | ​ | Non-PEO NEOs | ​
2024 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, James Bubeck, John Chang, Henry Kilmer | ​
2023 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, James Bubeck, John Chang, Henry Kilmer, Greg O’Connor and Jeff Danielson | ​
2022 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, Sean Wallace, James Bubeck, John Chang and Henry Kilmer | ​
2021 | ​ | ​ | Dave Schaeffer | ​ | ​ | Sean Wallace, James Bubeck, Brad Kummer, John Chang and Timothy O’Neill | ​
2020 | ​ | ​ | Dave Schaeffer | ​ | ​ | Sean Wallace, Thaddeus Weed, Jean-Michel Slagmuylder, Timothy O’Neill, James Bubeck and Brad Kummer | ​
Compensation actually paid to our NEOs represents the “Total” compensation reported in the Summary Compensation Table for the applicable fiscal year, as adjusted as follows (all figures in 000s):
​ | ​ | ​ | 2024 ($, in 000s) | ​ | ​ | 2023 ($, in 000s) | ​ | ​ | 2022 ($, in 000s) | ​ | ​ | 2021 ($, in 000s) | ​ | ​ | 2020 ($, in 000s) | ​
Adjustments | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​
Deduction for Amounts Reported under the “Stock Awards” and “Option Awards” Columns in the Summary Compensation Table for Applicable FY | ​ | ​ | ​ | ​ | (12,489) | ​ | ​ | ​ | ​ | ​ | (2,551) | ​ | ​ | ​ | ​ | ​ | (8,716) | ​ | ​ | ​ | ​ | ​ | (1,068) | ​ | ​ | ​ | ​ | ​ | (10,798) | ​ | ​ | ​ | ​ | ​ | (999) | ​ | ​ | ​ | ​ | ​ | (11,148) | ​ | ​ | ​ | ​ | ​ | (746) | ​ | ​ | ​ | ​ | ​ | (13,876) | ​ | ​ | ​ | ​ | ​ | (936) | ​ | ​
Increase based on ASC 718 Fair Value of Awards Granted during Applicable FY that Remain Unvested as of Applicable FY End, determined as of Applicable FY End | ​ | ​ | ​ | ​ | 12,703 | ​ | ​ | ​ | ​ | ​ | 1,303 | ​ | ​ | ​ | ​ | ​ | 12,170 | ​ | ​ | ​ | ​ | ​ | 1,033 | ​ | ​ | ​ | ​ | ​ | 8,761 | ​ | ​ | ​ | ​ | ​ | 799 | ​ | ​ | ​ | ​ | ​ | 12,841 | ​ | ​ | ​ | ​ | ​ | 878 | ​ | ​ | ​ | ​ | ​ | 11,180 | ​ | ​ | ​ | ​ | ​ | 731 | ​ | ​
​ | ​ | ​ | 2024 ($, in 000s) | ​ | ​ | 2023 ($, in 000s) | ​ | ​ | 2022 ($, in 000s) | ​ | ​ | 2021 ($, in 000s) | ​ | ​ | 2020 ($, in 000s) | ​
Adjustments | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​
Increase based on ASC 718 Fair Value of Awards Granted during Applicable FY that Vested during Applicable FY, determined as of Vesting Date | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Increase/deduction for Awards Granted during Prior FY that were Outstanding and Unvested as of Applicable FY End, determined based on change in ASC 718 Fair Value from Prior FY End to Applicable FY End | ​ | ​ | ​ | ​ | 371 | ​ | ​ | ​ | ​ | ​ | 50 | ​ | ​ | ​ | ​ | ​ | 7,396 | ​ | ​ | ​ | ​ | ​ | 456 | ​ | ​ | ​ | ​ | ​ | (6,649) | ​ | ​ | ​ | ​ | ​ | (436) | ​ | ​ | ​ | ​ | ​ | 5,497 | ​ | ​ | ​ | ​ | ​ | 212 | ​ | ​ | ​ | ​ | ​ | (1,622) | ​ | ​ | ​ | ​ | ​ | (146) | ​ | ​
Increase/deduction for Awards Granted during Prior FY that Vested During Applicable FY, determined based on change in ASC 718 Fair Value from Prior FY End to Vesting Date | ​ | ​ | ​ | ​ | (662) | ​ | ​ | ​ | ​ | ​ | (20) | ​ | ​ | ​ | ​ | ​ | 650 | ​ | ​ | ​ | ​ | ​ | 161 | ​ | ​ | ​ | ​ | ​ | (1,025) | ​ | ​ | ​ | ​ | ​ | (180) | ​ | ​ | ​ | ​ | ​ | 910 | ​ | ​ | ​ | ​ | ​ | 222 | ​ | ​ | ​ | ​ | ​ | 659 | ​ | ​ | ​ | ​ | ​ | 16 | ​ | ​
Deduction of ASC 718 Fair Value of Awards Granted during Prior FY that were Forfeited during Applicable FY, determined as of Prior FY End | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (274) | ​ | ​ | ​ | ​ | ​ | (955) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (2,146) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Increase based on Dividends or Other Earnings Paid during Applicable FY prior to Vesting Date | ​ | ​ | ​ | ​ | 156 | ​ | ​ | ​ | ​ | ​ | 30 | ​ | ​ | ​ | ​ | ​ | 137 | ​ | ​ | ​ | ​ | ​ | 32 | ​ | ​ | ​ | ​ | ​ | 98 | ​ | ​ | ​ | ​ | ​ | 25 | ​ | ​ | ​ | ​ | ​ | 114 | ​ | ​ | ​ | ​ | ​ | 27 | ​ | ​ | ​ | ​ | ​ | 100 | ​ | ​ | ​ | ​ | ​ | 15 | ​ | ​
Increase based on Incremental Fair Value of Options/SARs Modified during Applicable FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Deduction for Change in the Actuarial Present Values reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” Column of the Summary Compensation Table for Applicable FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Increase for Service Cost and, if applicable, Prior Service Cost for Pension Plans | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
TOTAL ADJUSTMENTS | ​ | ​ | ​ | ​ | 80 | ​ | ​ | ​ | ​ | ​ | (1,187) | ​ | ​ | ​ | ​ | ​ | 11,637 | ​ | ​ | ​ | ​ | ​ | 613 | ​ | ​ | ​ | ​ | ​ | (9,601) | ​ | ​ | ​ | ​ | ​ | (1,062) | ​ | ​ | ​ | ​ | ​ | 7,259 | ​ | ​ | ​ | ​ | ​ | 592 | ​ | ​ | ​ | ​ | ​ | (5,704) | ​ | ​ | ​ | ​ | ​ | (320) | ​ | ​
​
Non-PEO NEO Average Total Compensation Amount | $ 2,890 | 1.343 | 1,263 | 1,040 | 1,248
Non-PEO NEO Average Compensation Actually Paid Amount | $ 1,703 | 1,955 | 201 | 1,633 | 928
Adjustment to Non-PEO NEO Compensation Footnote | (1) Amounts represent compensation actually paid to our PEO and the average compensation actually paid to our remaining NEOs for the relevant fiscal year, as determined under SEC rules (and described below), which includes the individuals indicated in the table below for each fiscal year: ​
Year | ​ | ​ | PEO | ​ | ​ | Non-PEO NEOs | ​
2024 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, James Bubeck, John Chang, Henry Kilmer | ​
2023 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, James Bubeck, John Chang, Henry Kilmer, Greg O’Connor and Jeff Danielson | ​
2022 | ​ | ​ | Dave Schaeffer | ​ | ​ | Thaddeus Weed, Sean Wallace, James Bubeck, John Chang and Henry Kilmer | ​
2021 | ​ | ​ | Dave Schaeffer | ​ | ​ | Sean Wallace, James Bubeck, Brad Kummer, John Chang and Timothy O’Neill | ​
2020 | ​ | ​ | Dave Schaeffer | ​ | ​ | Sean Wallace, Thaddeus Weed, Jean-Michel Slagmuylder, Timothy O’Neill, James Bubeck and Brad Kummer | ​
Compensation actually paid to our NEOs represents the “Total” compensation reported in the Summary Compensation Table for the applicable fiscal year, as adjusted as follows (all figures in 000s):
​ | ​ | ​ | 2024 ($, in 000s) | ​ | ​ | 2023 ($, in 000s) | ​ | ​ | 2022 ($, in 000s) | ​ | ​ | 2021 ($, in 000s) | ​ | ​ | 2020 ($, in 000s) | ​
Adjustments | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​
Deduction for Amounts Reported under the “Stock Awards” and “Option Awards” Columns in the Summary Compensation Table for Applicable FY | ​ | ​ | ​ | ​ | (12,489) | ​ | ​ | ​ | ​ | ​ | (2,551) | ​ | ​ | ​ | ​ | ​ | (8,716) | ​ | ​ | ​ | ​ | ​ | (1,068) | ​ | ​ | ​ | ​ | ​ | (10,798) | ​ | ​ | ​ | ​ | ​ | (999) | ​ | ​ | ​ | ​ | ​ | (11,148) | ​ | ​ | ​ | ​ | ​ | (746) | ​ | ​ | ​ | ​ | ​ | (13,876) | ​ | ​ | ​ | ​ | ​ | (936) | ​ | ​
Increase based on ASC 718 Fair Value of Awards Granted during Applicable FY that Remain Unvested as of Applicable FY End, determined as of Applicable FY End | ​ | ​ | ​ | ​ | 12,703 | ​ | ​ | ​ | ​ | ​ | 1,303 | ​ | ​ | ​ | ​ | ​ | 12,170 | ​ | ​ | ​ | ​ | ​ | 1,033 | ​ | ​ | ​ | ​ | ​ | 8,761 | ​ | ​ | ​ | ​ | ​ | 799 | ​ | ​ | ​ | ​ | ​ | 12,841 | ​ | ​ | ​ | ​ | ​ | 878 | ​ | ​ | ​ | ​ | ​ | 11,180 | ​ | ​ | ​ | ​ | ​ | 731 | ​ | ​
​ | ​ | ​ | 2024 ($, in 000s) | ​ | ​ | 2023 ($, in 000s) | ​ | ​ | 2022 ($, in 000s) | ​ | ​ | 2021 ($, in 000s) | ​ | ​ | 2020 ($, in 000s) | ​
Adjustments | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​ | ​ | PEO | ​ | ​ | Average Non-PEO NEOs | ​
Increase based on ASC 718 Fair Value of Awards Granted during Applicable FY that Vested during Applicable FY, determined as of Vesting Date | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Increase/deduction for Awards Granted during Prior FY that were Outstanding and Unvested as of Applicable FY End, determined based on change in ASC 718 Fair Value from Prior FY End to Applicable FY End | ​ | ​ | ​ | ​ | 371 | ​ | ​ | ​ | ​ | ​ | 50 | ​ | ​ | ​ | ​ | ​ | 7,396 | ​ | ​ | ​ | ​ | ​ | 456 | ​ | ​ | ​ | ​ | ​ | (6,649) | ​ | ​ | ​ | ​ | ​ | (436) | ​ | ​ | ​ | ​ | ​ | 5,497 | ​ | ​ | ​ | ​ | ​ | 212 | ​ | ​ | ​ | ​ | ​ | (1,622) | ​ | ​ | ​ | ​ | ​ | (146) | ​ | ​
Increase/deduction for Awards Granted during Prior FY that Vested During Applicable FY, determined based on change in ASC 718 Fair Value from Prior FY End to Vesting Date | ​ | ​ | ​ | ​ | (662) | ​ | ​ | ​ | ​ | ​ | (20) | ​ | ​ | ​ | ​ | ​ | 650 | ​ | ​ | ​ | ​ | ​ | 161 | ​ | ​ | ​ | ​ | ​ | (1,025) | ​ | ​ | ​ | ​ | ​ | (180) | ​ | ​ | ​ | ​ | ​ | 910 | ​ | ​ | ​ | ​ | ​ | 222 | ​ | ​ | ​ | ​ | ​ | 659 | ​ | ​ | ​ | ​ | ​ | 16 | ​ | ​
Deduction of ASC 718 Fair Value of Awards Granted during Prior FY that were Forfeited during Applicable FY, determined as of Prior FY End | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (274) | ​ | ​ | ​ | ​ | ​ | (955) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (2,146) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Increase based on Dividends or Other Earnings Paid during Applicable FY prior to Vesting Date | ​ | ​ | ​ | ​ | 156 | ​ | ​ | ​ | ​ | ​ | 30 | ​ | ​ | ​ | ​ | ​ | 137 | ​ | ​ | ​ | ​ | ​ | 32 | ​ | ​ | ​ | ​ | ​ | 98 | ​ | ​ | ​ | ​ | ​ | 25 | ​ | ​ | ​ | ​ | ​ | 114 | ​ | ​ | ​ | ​ | ​ | 27 | ​ | ​ | ​ | ​ | ​ | 100 | ​ | ​ | ​ | ​ | ​ | 15 | ​ | ​
Increase based on Incremental Fair Value of Options/SARs Modified during Applicable FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Deduction for Change in the Actuarial Present Values reported under the “Change in Pension Value and Nonqualified Deferred Compensation Earnings” Column of the Summary Compensation Table for Applicable FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Increase for Service Cost and, if applicable, Prior Service Cost for Pension Plans | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
TOTAL ADJUSTMENTS | ​ | ​ | ​ | ​ | 80 | ​ | ​ | ​ | ​ | ​ | (1,187) | ​ | ​ | ​ | ​ | ​ | 11,637 | ​ | ​ | ​ | ​ | ​ | 613 | ​ | ​ | ​ | ​ | ​ | (9,601) | ​ | ​ | ​ | ​ | ​ | (1,062) | ​ | ​ | ​ | ​ | ​ | 7,259 | ​ | ​ | ​ | ​ | ​ | 592 | ​ | ​ | ​ | ​ | ​ | (5,704) | ​ | ​ | ​ | ​ | ​ | (320) | ​ | ​
​
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |  |
Compensation Actually Paid vs. Company Selected Measure |  |  |  |  |
Total Shareholder Return Vs Peer Group |  |  |  |  |
Tabular List, Table | Pay Versus Performance Tabular List We believe the following performance measures represent the most important performance measures used to link compensation actually paid to our NEOs for the fiscal year ended December 31, 2024: • EBITDA; ​ • AWR; and ​ • TSR |  |  |  |
Total Shareholder Return Amount | $ 113.59 | 141.5 | 100.2 | 120.98 | 94.72
Peer Group Total Shareholder Return Amount | 122.91 | 90.96 | 82.21 | 112.44 | 110.08
Net Income (Loss) | $ (204,074) | $ 1,273,441 | $ 5,146 | $ 48,815 | $ 6,216
Company Selected Measure Amount | 122,818 | 129,805 | 230,620 | 214,347 | 227,920
PEO Name | Dave Schaeffer |  |  |  |
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | EBITDA |  |  |  |
Non-GAAP Measure Description | (3) EBITDA is a non-GAAP measure. EBITDA represents net cash flows provided by operating activities plus changes in operating assets and liabilities, cash interest expense and cash income tax expense. |  |  |  |
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | AWR |  |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | TSR |  |  |  |
PEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
PEO | Aggregate Pension Adjustments Service Cost |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
PEO | Equity Awards Adjustments |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 80 | 11,637 | (9,601) | 7,259 | (5,704)
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (12,489) | 8,716 | 10,798 | 11,148 | 13,876
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 12,703 | 12,170 | 8,761 | 12,841 | 11,180
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 371 | 7,396 | (6,649) | 5,497 | (1,622)
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (662) | 650 | (1,025) | 910 | 659
PEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 156 | 137 | 98 | 114 | 100
PEO | Fair Value of Awards Granted during Prior FY that were Forfeited during Applicable FY, determined as of Prior FY End |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  | 955 | 2,146
PEO | Increase based on Incremental Fair Value of Options/SARs Modified during Applicable FY |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
Non-PEO NEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
Non-PEO NEO | Aggregate Pension Adjustments Service Cost |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
Non-PEO NEO | Equity Awards Adjustments |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (1,187) | 613 | (1,062) | 592 | (320)
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (2,551) | 1,068 | 999 | 746 | 936
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 1,303 | 1,033 | 799 | 878 | 731
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 50 | 456 | (436) | 212 | (146)
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (20) | 161 | (180) | 222 | 16
Non-PEO NEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 30 | 32 | 25 | 27 | 15
Non-PEO NEO | Fair Value of Awards Granted during Prior FY that were Forfeited during Applicable FY, determined as of Prior FY End |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 274 |  |
Non-PEO NEO | Increase based on Incremental Fair Value of Options/SARs Modified during Applicable FY |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |

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