EQUITY (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Stockholders' equity
Equity, beginning of period			$ 738,182	$ 699,855
Stock-based compensation			2,677	2,379
Comprehensive income:
Net income	$ 15,018	$ 14,322	14,526	24,722
Other comprehensive income
Foreign currency translation adjustment			28
Total comprehensive income			14,554	24,722
Issuance of common stock upon exercise of stock options			2,074	1,109
Dividends declared on common stock			(9,306)	(8,605)
Distributions to non-controlling interests			(9,261)	(6,081)
Investments made by non-controlling interest			906
Noncontrolling Interest, Increase from Sale of Parent Equity Interest			20,013
Sale of non-controlling interest			20,013
Purchase of treasury stock			(1,955)	(1,778)
Equity, end of period	757,884	711,601	757,884	711,601
Atlantic Tele-Network, Inc.
Stockholders' equity
Equity, beginning of period			677,222	643,330
Stock-based compensation			2,677	2,379
Comprehensive income:
Net income			6,181	19,354
Other comprehensive income
Foreign currency translation adjustment			28
Total comprehensive income			6,209	19,354
Issuance of common stock upon exercise of stock options			2,074	1,109
Dividends declared on common stock			(9,306)	(8,605)
Purchase of treasury stock			(1,955)	(1,778)
Equity, end of period	676,921	655,789	676,921	655,789
Non-Controlling Interests
Stockholders' equity
Equity, beginning of period			60,960	56,525
Comprehensive income:
Net income			8,345	5,368
Other comprehensive income
Total comprehensive income			8,345	5,368
Distributions to non-controlling interests			(9,261)	(6,081)
Investments made by non-controlling interest			906
Noncontrolling Interest, Increase from Sale of Parent Equity Interest			20,013
Sale of non-controlling interest			20,013
Equity, end of period	$ 80,963	$ 55,812	$ 80,963	$ 55,812