XML 26 R14.htm IDEA: XBRL DOCUMENT
v3.25.3

LEASES | 9 Months Ended
--- | ---
Sep. 30, 2025
LEASES |
LEASES | 4. LEASES Lessee Disclosure The Company has operating and financing leases for towers, land, corporate offices, retail facilities, and data transport capacity. The lease terms are generally between three and 10 years, some of which include additional renewal options. Supplemental lease information The components of lease expense were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three months ended | ​ | Nine months ended
​ | September 30, 2025 |  | September 30, 2024 | ​ | September 30, 2025 |  | September 30, 2024
Operating lease cost: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating lease cost | $ | 6,371 | ​ | $ | 5,884 | ​ | $ | 18,351 | ​ | $ | 16,989
Short-term lease cost | ​ | 1,629 | ​ | ​ | 657 | ​ | ​ | 4,262 | ​ | ​ | 2,105
Variable lease cost | ​ | 1,865 | ​ | ​ | 1,415 | ​ | ​ | 5,639 | ​ | ​ | 4,539
Total operating lease cost | $ | 9,865 | ​ | $ | 7,956 | ​ | $ | 28,252 | ​ | $ | 23,633
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Finance lease cost: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization of right-of-use asset | $ | 1,369 | ​ | $ | 1,647 | ​ | $ | 5,149 | ​ | $ | 3,235
Variable costs | ​ | 108 | ​ | ​ | 170 | ​ | ​ | 530 | ​ | ​ | 538
Interest costs | ​ | 88 | ​ | ​ | 87 | ​ | ​ | 262 | ​ | ​ | 287
Total finance lease cost | $ | 1,565 | ​ | $ | 1,904 | ​ | $ | 5,941 | ​ | $ | 4,060
​ During the nine months ended September 30, 2025 and 2024, the Company paid $18.7 million and $14.8 million, respectively, for operating lease liabilities. During the nine months ended September 30, 2025 and 2024, the Company recorded $16.9 million and $11.5 million, respectively, of operating lease liabilities arising from right of use assets. At September 30, 2025, finance leases with a net book value of $24.8 million were included in fixed assets, net. During the nine months ended September 30, 2025, the Company paid $1.3 million of financing cash flows and $0.3 million of operating cash flows for finance lease liabilities. During the nine months ended September 30, 2024, the Company paid $1.4 million of financing cash flows and $0.3 million of operating cash flows for finance lease liabilities. At September 30, 2025, finance leases had a lease liability of $4.1 million, of which $0.8 million was current. At December 31, 2024, finance leases with a net book value of $29.6 million were included in fixed assets, net. The weighted average remaining lease terms and discount rates as of September 30, 2025 and December 31, 2024 are set forth in the table below: ​
​ | ​ | ​ | ​ | ​ | ​
​ | September 30, 2025 | ​ | December 31, 2024
Weighted-average remaining lease term | ​ | ​ | ​ | ​ | ​
Operating leases | ​ | 11.8 years | ​ | ​ | 12.6 years
Financing leases | ​ | 5.7 years | ​ | ​ | 11.5 years
​ | ​ | ​ | ​ | ​ | ​
Weighted-average discount rate | ​ | ​ | ​ | ​ | ​
Operating leases | ​ | 7.8% | ​ | ​ | 6.8%
Financing leases | ​ | 8.6% | ​ | ​ | 7.4%
​ Maturities of lease liabilities as of September 30, 2025 were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2025 (excluding the nine months ended September 30, 2025) | $ | 5,864 | ​ | $ | 311
2026 | ​ | 19,325 | ​ | ​ | 1,043
2027 | ​ | 16,756 | ​ | ​ | 1,006
2028 | ​ | 12,827 | ​ | ​ | 737
2029 | ​ | 9,181 | ​ | ​ | 537
Thereafter | ​ | 81,082 | ​ | ​ | 1,658
Total lease payments | ​ | 145,035 | ​ | ​ | 5,292
Less imputed interest | ​ | (55,121) | ​ | ​ | (1,219)
Total | $ | 89,914 | ​ | $ | 4,073
​ Maturities of lease liabilities as of December 31, 2024 were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​
​ | Operating Leases | ​ | Financing Leases
2025 | $ | 20,764 | ​ | $ | 1,649
2026 | ​ | 15,881 | ​ | ​ | 847
2027 | ​ | 12,949 | ​ | ​ | 825
2028 | ​ | 9,901 | ​ | ​ | 632
2029 | ​ | 7,134 | ​ | ​ | 516
Thereafter | ​ | 79,843 | ​ | ​ | 1,630
Total lease payments | ​ | 146,472 | ​ | ​ | 6,099
Less imputed interest | ​ | (57,512) | ​ | ​ | (1,402)
Total | $ | 88,960 | ​ | $ | 4,697
​ As of September 30, 2025, the Company did not have any material operating or finance leases that had not yet commenced. ​ Lessor Disclosure The Company is the lessor in agreements to lease the use of its network assets including its wireless cell sites and buildings. For the nine months ended September 30, 2025 and 2024, the Company recorded $6.5 million and $6.3 million, respectively, of lease income from agreements for which the Company is the lessor. Lease income is classified as Carrier Services revenue in the statement of operations. The following table presents the maturities of future undiscounted lease payments for the periods indicated (in thousands): ​
​ | ​ | ​
2025 (excluding the nine months ended September 30, 2025) | $ | 2,065
2026 | ​ | 7,984
2027 | ​ | 6,648
2028 | ​ | 5,939
2029 | ​ | 5,260
Thereafter | ​ | 5,227
Total future lease payments | $ | 33,123
​

X
- Definition The entire disclosure of lease arrangements + References No definition available. + Details
Name: | atni_LeaseDisclosureTextBlock
Namespace Prefix: | atni_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration