CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
REVENUE:
Total revenue	$ 172,019	$ 124,510
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Selling, general and administrative	56,343	37,693
Transaction-related charges	554	730
Depreciation and amortization	33,292	20,111
Amortization of intangibles from acquisitions	3,258	397
Loss on disposition of long-lived assets	3,420	117
Total operating expenses	171,911	121,161
Income from operations	108	3,349
OTHER INCOME (EXPENSE)
Interest income	51	(6)
Interest expense	(3,363)	(1,147)
Other income	4,199	2,375
Other income (expense), net	887	1,222
INCOME BEFORE INCOME TAXES	995	4,571
Income tax provision	2,952	295
NET INCOME (LOSS)	(1,957)	4,276
Net income (loss) attributable to noncontrolling interests, net of tax expense (benefit) of $(0.5) million and $0.1 million, respectively.	1,009	(1,570)
NET INCOME (LOSS) ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS	$ (948)	$ 2,706
NET INCOME (LOSS) PER WEIGHTED AVERAGE SHARE ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS:
Basic (in dollars per share)	$ (0.13)	$ 0.17
Diluted (in dollars per share)	$ (0.13)	$ 0.17
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	15,708	15,902
Diluted (in shares)	15,708	15,952
DIVIDENDS PER SHARE APPLICABLE TO COMMON STOCK	$ 0.17	$ 0.17
Communication services
REVENUE:
Total revenue	$ 166,543	$ 110,636
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Cost of services	73,011	49,507
Construction
REVENUE:
Total revenue	1,987	12,306
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Cost of services	2,033	12,606
Other revenue
REVENUE:
Total revenue	$ 3,489	$ 1,568