Condensed Consolidated Statements of Loss (Income) (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue
Total Revenue		$ 327,378	$ 172,038	$ 651,290	$ 326,556
Cost of Revenue
Total Cost of Revenue		234,825	109,532	470,929	209,734
Gross Profit		92,553	62,506	180,361	116,822
Selling, general and administrative expenses		66,583	27,873	133,980	55,766
Research and development expenses		70,598	26,500	140,741	52,991
Operating (Loss) Income		(44,628)	8,133	(94,360)	8,065
Interest and dividend income		358	217	662	421
Interest expense		(4,064)	(94)	(7,351)	(124)
Net investment gain (loss)		1,262	(4,646)	2,514	(8,061)
Other income, net		2,494	681	2,191	455
(Loss) Income Before Income Taxes		(44,578)	4,291	(96,344)	756
Income tax benefit (expense)		8,363	(2,148)	19,676	260
Net (Loss) Income		(36,215)	2,143	(76,668)	1,016
Less: Net Income attributable to non-controlling interest	[1]	2,882		2,512
Net (Loss) Income attributable to ADTRAN Holdings, Inc.		$ (39,097)	$ 2,143	$ (79,180)	$ 1,016
Weighted average shares outstanding – basic		78,366	49,123	78,364	49,110
Weighted average shares outstanding – diluted		78,366	49,809	78,364	49,813
(Loss) earnings per common share attributable to ADTRAN Holdings, Inc. - basic		$ (0.5)	$ 0.04	$ (1.01)	$ 0.02
(Loss) earnings per common share attributable to ADTRAN Holdings, Inc. - diluted		$ (0.5)	$ 0.04	$ (1.01)	$ 0.02
Network Solutions [Member]
Revenue
Total Revenue		$ 283,002	$ 155,992	$ 565,420	$ 294,366
Cost of Revenue
Total Cost of Revenue		216,960	99,921	436,090	190,575
Gross Profit		66,042	56,071	129,330	103,791
Services & Support [Member]
Revenue
Total Revenue		44,376	16,046	85,870	32,190
Cost of Revenue
Total Cost of Revenue		17,865	9,611	34,839	19,159
Gross Profit		$ 26,511	$ 6,435	$ 51,031	$ 13,031

[1] For the three and six months ended June 30, 2023, we have recognized $2.9 million and $5.7 million, respectively, representing the recurring cash compensation earned by non-controlling interest shareholders post-DPLTA, partially offset by a $3.2 million net loss attributable to non-controlling interests pre-DPLTA for the six months ended June 30, 2023.