CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
REVENUE:
Total revenue	$ 186,441	$ 179,497	$ 372,214	$ 351,517
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Selling, general and administrative	61,914	56,610	123,262	111,491
Stock-based compensation	2,739	2,568	4,517	4,028
Transaction-related charges	438	412	451	966
Restructuring expenses	370		3,257
Depreciation and amortization	36,217	33,817	72,621	67,109
Amortization of intangibles from acquisitions	3,144	3,250	6,391	6,508
(Gain) Loss on disposition of long-lived assets	445	(28)	278	3,392
Total operating expenses	184,001	177,775	369,140	349,684
Income from operations	2,440	1,722	3,074	1,833
OTHER INCOME (EXPENSE)
Interest income	45		227	3
Interest expense	(10,449)	(4,278)	(19,256)	(7,593)
Other income	2,216	(2,724)	2,411	1,474
Other income (expense)	(8,188)	(7,002)	(16,618)	(6,116)
LOSS BEFORE INCOME TAXES	(5,748)	(5,280)	(13,544)	(4,283)
Income tax (benefit) expense	(5,087)	(3,971)	(5,827)	(1,018)
NET LOSS	(661)	(1,309)	(7,717)	(3,265)
Net loss attributable to noncontrolling interests, net of tax (benefit) expense of $(0.7) million, $0 million, $(1.2) million and $(0.5) million respectively	1,428	784	2,599	1,794
NET INCOME (LOSS) ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS	$ 767	$ (525)	$ (5,118)	$ (1,471)
Basic (in dollars per share)	$ (0.03)	$ (0.11)	$ (0.48)	$ (0.24)
Diluted (in dollars per share)	$ (0.03)	$ (0.11)	$ (0.48)	$ (0.24)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	15,719	15,749	15,726	15,736
Diluted (in shares)	15,719	15,749	15,726	15,736
DIVIDENDS PER SHARE APPLICABLE TO COMMON STOCK	$ 0.21	$ 0.17	$ 0.42	$ 0.34
Communication services
REVENUE:
Total revenue	$ 181,576	$ 171,795	$ 362,883	$ 338,338
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Cost of services	77,718	77,860	156,759	150,871
Construction
REVENUE:
Total revenue	1,020	3,297	1,610	5,283
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Cost of services	1,016	3,286	1,604	5,319
Other revenue
REVENUE:
Total revenue	$ 3,845	$ 4,405	$ 7,721	$ 7,896