CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
REVENUE:
Total Revenue	$ 179,497	$ 123,865	$ 351,517	$ 248,375
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Selling, general and administrative	59,178	40,652	115,519	78,344
Transaction-related charges	412	1,396	966	2,126
Depreciation and amortization	33,817	19,739	67,109	39,849
Amortization of intangibles from acquisitions	3,250	416	6,508	813
(Gain) Loss on disposition of long-lived assets	(28)	743	3,392	861
Total operating expenses	177,775	120,960	349,684	242,121
Income from operations	1,722	2,905	1,833	6,254
OTHER INCOME (EXPENSE)
Interest income		46	3	40
Interest expense	(4,278)	(1,137)	(7,593)	(2,285)
Other income	(2,724)	(66)	1,474	2,309
Other income (expense), net	(7,002)	(1,157)	(6,116)	64
INCOME BEFORE INCOME TAXES	(5,280)	1,748	(4,283)	6,318
Income tax provision	(3,971)	(1,542)	(1,018)	(1,247)
NET INCOME (LOSS)	(1,309)	3,290	(3,265)	7,565
Net income (loss) attributable to noncontrolling interests, net of tax expense (benefit) of $0 million, $0.3 million, $(0.5) million, and $0.4 million, respectively.	784	(1,271)	1,794	(2,842)
NET INCOME (LOSS) ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS	$ (525)	$ 2,019	$ (1,471)	$ 4,723
NET INCOME (LOSS) PER WEIGHTED AVERAGE SHARE ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS:
Basic (in dollars per share)	$ (0.11)	$ 0.13	$ (0.24)	$ 0.30
Diluted (in dollars per share)	$ (0.11)	$ 0.13	$ (0.24)	$ 0.30
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	15,749	15,912	15,736	15,907
Diluted (in shares)	15,749	15,921	15,736	15,930
DIVIDENDS PER SHARE APPLICABLE TO COMMON STOCK	$ 0.17	$ 0.17	$ 0.34	$ 0.34
Communication services
REVENUE:
Total Revenue	$ 171,795	$ 112,964	$ 338,338	$ 223,599
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Cost of services	77,860	48,479	150,871	97,986
Construction
REVENUE:
Total Revenue	3,297	9,325	5,283	21,632
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Cost of services	3,286	9,535	5,319	22,142
Other revenue
REVENUE:
Total Revenue	$ 4,405	$ 1,576	$ 7,896	$ 3,144