CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total ATNI Stockholders' Equity	Common Stock	Treasury Stock, at cost	Additional Paid In Capital	Retained Earnings	Other Comprehensive Income/(Loss)	Non-Controlling Interests	Total
Balance, beginning of period at Dec. 31, 2020	$ 645,649	$ 172	$ (59,456)	$ 187,754	$ 516,901	$ 278	$ 108,687	$ 754,336
Increase (Decrease) in Stockholders' Equity
Purchase of shares of common stock	(12,258)		(12,258)					(12,258)
Stock-based compensation	6,182			6,182			334	6,516
Exercise of stock options	383			383				383
Noncontrolling interest in equity acquired							796	796
Dividends declared on common stock	(10,780)				(10,780)		(5,468)	(16,248)
Repurchase of non-controlling interests	(2,187)			(2,187)			(10,809)	(12,996)
Accrued dividend - redeemable preferred units	(1,962)				(1,962)			(1,962)
Deemed dividend - redeemable common units	(6,164)				(6,164)		6,164
Comprehensive income:
Net income (loss)	(22,108)				(22,108)		1,299	(20,809)
Other comprehensive income (loss)	4,495					4,495		4,495
Total comprehensive income (loss)	(17,613)				(22,108)	4,495	1,299	(16,314)
Balance, end of period at Dec. 31, 2021	601,250	172	(71,714)	192,132	475,887	4,773	101,003	702,253
Increase (Decrease) in Stockholders' Equity
Issuance of common units	1	1						1
Purchase of shares of common stock	(2,111)		(2,111)					(2,111)
Stock-based compensation	6,779			6,779			572	7,351
Dividends declared on common stock	(11,346)				(11,346)		(3,531)	(14,877)
Investments made by minority shareholders in consolidated affiliates							22	22
Repurchase of non-controlling interests	(462)			(462)			(4,429)	(4,891)
Accrued dividend - redeemable preferred units	(4,856)				(4,856)			(4,856)
Deemed dividend - redeemable common units	(4,234)				(4,234)		4,317	83
Comprehensive income:
Net income (loss)	(5,645)				(5,645)		(1,938)	(7,583)
Other comprehensive income (loss)	1,437					1,437		1,437
Total comprehensive income (loss)	(4,208)				(5,645)	1,437	(1,938)	(6,146)
Balance, end of period at Dec. 31, 2022	580,813	173	(73,825)	198,449	449,806	6,210	96,016	676,829
Increase (Decrease) in Stockholders' Equity
Purchase of shares of common stock	(16,622)		(16,622)					(16,622)
Stock-based compensation	7,857			7,857			678	8,535
Dividends declared on common stock	(13,566)				(13,566)		(4,039)	(17,605)
Repurchase of non-controlling interests	(509)			(509)			(2,681)	(3,190)
Accrued dividend - redeemable preferred units	(4,942)				(4,942)			(4,942)
Deemed dividend - redeemable common units	522				522		10,972	11,494
Comprehensive income:
Net income (loss)	(14,538)				(14,538)		(4,216)	(18,754)
Other comprehensive income (loss)	2,058					2,058		2,058
Total comprehensive income (loss)	(12,480)				(14,538)	2,058	(4,216)	(16,696)
Balance, end of period at Dec. 31, 2023	$ 541,073	$ 173	$ (90,447)	$ 205,797	$ 417,282	$ 8,268	$ 96,730	$ 637,803