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v3.25.2

Long-term debt: - Limitations under the Indentures (Details) | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Apr. 11, 2025 | May 02, 2024
Long-term debt |  |  |
Amount unrestricted and permitted for investment payments | $ 295,600,000 |  |
Indentures | Minimum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio | 1 |  |
Consolidated secured leverage ratio | 1 |  |
Fixed charge coverage ratio | 1 |  |
Indebtedness that may occur | $ 1 |  |
Indentures | Maximum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio | 6 |  |
Consolidated secured leverage ratio | 4 |  |
Fixed charge coverage ratio | 2 |  |
2027 Notes Indentures | Minimum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio | 1 |  |
Consolidated secured leverage ratio | 4 |  |
Fixed charge coverage ratio | 2 |  |
2027 Notes Indentures | Maximum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio | 6 |  |
2032 Notes Indenture | Minimum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio | 1 |  |
Fixed charge coverage ratio | 2 |  |
2032 Notes Indenture | Maximum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio | 6 |  |
Consolidated secured leverage ratio | 4 |  |
Issuance Of Additional Class Notes [Member] | Existing IPv4 Notes | Minimum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  |  | 1
Issuance Of Additional Class Notes [Member] | Existing IPv4 Notes | Maximum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  |  | 6.1
Issuance Of Additional Class Notes [Member] | IPv4 New Notes | Minimum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  | 1 |
Issuance Of Additional Class Notes [Member] | IPv4 New Notes | Maximum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  | 7.25 |
Substitute New Ipv4 Addresses [Member] | Existing IPv4 Notes | Minimum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  | 1 | 1
Substitute New Ipv4 Addresses [Member] | Existing IPv4 Notes | Maximum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  | 7.25 | 6.1
Dispose Of Ipv Addresses Owned By Ipv Issuer Member Dispose Of Ipv Addresses Owned By Ipv Issuer [Member] | Existing IPv4 Notes | Minimum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  |  | 1
Dispose Of Ipv Addresses Owned By Ipv Issuer Member Dispose Of Ipv Addresses Owned By Ipv Issuer [Member] | Existing IPv4 Notes | Maximum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  |  | 7.1
Dispose Of Ipv Addresses Owned By Ipv Issuer Member Dispose Of Ipv Addresses Owned By Ipv Issuer [Member] | IPv4 New Notes | Minimum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  | 1 |
Dispose Of Ipv Addresses Owned By Ipv Issuer Member Dispose Of Ipv Addresses Owned By Ipv Issuer [Member] | IPv4 New Notes | Maximum |  |  |
Long-term debt |  |  |
Consolidated leverage ratio |  | 7.25 |

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