CONSOLIDATED INCOME STATEMENTS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
REVENUE:
Total revenue	$ 123,245	$ 99,991	$ 251,360	$ 189,676
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Termination and access fees	27,915	23,797	58,372	43,514
Engineering and operations	19,362	10,739	39,029	21,249
Sales, marketing and customer service	8,715	7,681	17,737	13,437
Equipment expense	3,008	4,133	5,553	7,362
General and administrative	26,000	19,298	50,349	35,670
Transaction-related charges	148	10,410	826	14,065
Restructuring charges		1,785		1,785
Depreciation and amortization	22,254	16,493	44,747	31,047
Impairment of long-lived assets		11,076		11,076
Bargain purchase gain		(7,304)		(7,304)
(Gain) loss on disposition of long-lived assets		(29)	1,111	(29)
Total operating expenses	107,402	98,079	217,724	171,872
Income from operations	15,843	1,912	33,636	17,804
OTHER INCOME (EXPENSE)
Interest income	347	345	633	692
Interest expense	(2,153)	(1,061)	(4,469)	(1,886)
Loss on deconsolidation of subsidiary			(529)
Other expense	(532)	(137)	(1,053)	(123)
Other expense, net	(2,338)	(853)	(5,418)	(1,317)
INCOME BEFORE INCOME TAXES	13,505	1,059	28,218	16,487
Income taxes	2,596	2,945	5,724	7,576
NET INCOME (LOSS)	10,909	(1,886)	22,494	8,911
Net income attributable to non-controlling interests, net of tax expense of $0.1 million, $0.5 million, $0.4 million, and $0.4 million, respectively	(5,026)	(1,200)	(9,751)	(5,877)
NET INCOME (LOSS) ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS	$ 5,883	$ (3,086)	$ 12,743	$ 3,034
NET INCOME (LOSS) PER WEIGHTED AVERAGE SHARE ATTRIBUTABLE TO ATN INTERNATIONAL, INC. STOCKHOLDERS:
Basic (in dollars per share)	$ 0.36	$ (0.19)	$ 0.79	$ 0.19
Diluted (in dollars per share)	$ 0.36	$ (0.19)	$ 0.78	$ 0.19
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	16,195	16,145	16,176	16,118
Diluted (in shares)	16,274	16,145	16,263	16,221
DIVIDENDS PER SHARE APPLICABLE TO COMMON STOCK (in dollars per share)	$ 0.34	$ 0.32	$ 0.68	$ 0.64
Wireless
REVENUE:
Total revenue	$ 54,460	$ 57,088	$ 110,690	$ 115,965
Wireline
REVENUE:
Total revenue	61,459	33,976	125,259	56,421
Renewable energy
REVENUE:
Total revenue	4,891	5,562	9,791	11,151
Equipment and other
REVENUE:
Total revenue	$ 2,435	$ 3,365	$ 5,620	$ 6,139