CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Redeemable Preferred Units Total ATNI Stockholders' Equity	Redeemable Preferred Units Retained Earnings	Redeemable Preferred Units	Redeemable Common Units Total ATNI Stockholders' Equity	Redeemable Common Units Retained Earnings	Redeemable Common Units Non-Controlling Interests	Redeemable Common Units	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, 2021								$ 601,250	$ 172	$ (71,714)	$ 192,132	$ 475,887	$ 4,773	$ 101,003	$ 702,253
Increase (Decrease) in Stockholders' Equity
Purchase of shares of common stock								(2,114)		(2,114)					(2,114)
Stock-based compensation								3,743			3,743			285	4,028
Dividends declared on common stock								(5,356)				(5,356)		(1,374)	(6,730)
Investments made by minority shareholders in consolidated affiliates														11	11
Repurchase of non-controlling interests								(443)			(443)			(4,057)	(4,500)
Accrued dividend - redeemable preferred units	$ (2,270)	$ (2,270)	$ (2,270)
Deemed dividend				$ (1,678)	$ (1,678)	$ 1,678
Comprehensive income:
Net income (loss)								(1,471)				(1,471)		(1,794)	(3,265)
Other comprehensive income (loss)								(542)					(542)		(542)
Comprehensive loss								(2,013)				(1,471)	(542)	(1,794)	(3,807)
Balance, end of period at Jun. 30, 2022								591,119	172	(73,828)	195,432	465,112	4,231	95,752	686,871
Balance, beginning of period at Mar. 31, 2022								594,792	172	(73,795)	193,164	470,056	5,195	98,768	693,560
Increase (Decrease) in Stockholders' Equity
Purchase of shares of common stock								(33)		(33)					(33)
Stock-based compensation								2,435			2,435			133	2,568
Dividends declared on common stock								(2,678)				(2,678)		(1,113)	(3,791)
Investments made by minority shareholders in consolidated affiliates														11	11
Repurchase of non-controlling interests								(167)			(167)			(1,850)	(2,017)
Accrued dividend - redeemable preferred units	(1,154)	(1,154)	(1,154)
Deemed dividend				(587)	(587)	587
Comprehensive income:
Net income (loss)								(525)				(525)		(784)	(1,309)
Other comprehensive income (loss)								(964)					(964)		(964)
Comprehensive loss								(1,489)				(525)	(964)	(784)	(2,273)
Balance, end of period at Jun. 30, 2022								591,119	172	(73,828)	195,432	465,112	4,231	95,752	686,871
Balance, beginning 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								(8,261)		(8,261)					(8,261)
Stock-based compensation								4,255			4,255			262	4,517
Dividends declared on common stock								(6,588)				(6,588)		(1,447)	(8,035)
Repurchase of non-controlling interests								(81)			(81)			(679)	(760)
Accrued dividend - redeemable preferred units	(2,306)	(2,306)	(2,306)
Deemed dividend				(5,885)	(5,885)	6,170	$ 285
Comprehensive income:
Net income (loss)								(5,118)				(5,118)		(2,599)	(7,717)
Other comprehensive income (loss)								424					424		424
Comprehensive loss								(4,694)				(5,118)	424	(2,599)	(7,293)
Balance, end of period at Jun. 30, 2023								557,253	173	(82,086)	202,623	429,909	6,634	97,723	654,976
Balance, beginning of period at Mar. 31, 2023								567,243	173	(76,665)	200,015	437,030	6,690	97,283	664,526
Increase (Decrease) in Stockholders' Equity
Purchase of shares of common stock								(5,421)		(5,421)					(5,421)
Stock-based compensation								2,621			2,621			118	2,739
Dividends declared on common stock								(3,273)				(3,273)		(1,448)	(4,721)
Repurchase of non-controlling interests								(13)			(13)			(152)	(165)
Deemed dividend	$ (1,260)	$ (1,260)	$ (1,260)	$ (3,355)	$ (3,355)	$ 3,350	$ (5)
Comprehensive income:
Net income (loss)								767				767		(1,428)	(661)
Other comprehensive income (loss)								(56)					(56)		(56)
Comprehensive loss								711				767	(56)	(1,428)	(717)
Balance, end of period at Jun. 30, 2023								$ 557,253	$ 173	$ (82,086)	$ 202,623	$ 429,909	$ 6,634	$ 97,723	$ 654,976