Atlantic Union Bankshares Corporation Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

SEGMENT REPORTING AND REVENUE (Operating Segment Results) (Details)

SEGMENT REPORTING AND REVENUE (Operating Segment Results) (Details) $ in Thousands	3 Months Ended			9 Months Ended		21 Months Ended
	Sep. 30, 2026 USD ($)	Mar. 31, 2026 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) segment	Dec. 31, 2025 USD ($)	Apr. 01, 2025 USD ($)
Segment Reporting [Line Items]
Number of operating segments \| segment						2
Interest and dividend income (expense)	$ 501,133		$ 503,437	$ 1,459,695	$ 1,319,645
Interest expense (income)	172,711		184,227	493,782	494,900
Net interest income	328,422		319,210	965,913	824,745
Provision for credit losses	5,731		16,233	20,205	139,578
Net interest income after provision for credit losses	322,691		302,977	945,708	685,167
Noninterest income	54,792		51,751	199,823	162,436
Noninterest expenses	204,333		238,446	613,279	652,327
Income before income taxes	173,150		116,282	532,252	195,276
LHFI, net of unearned income	29,296,616			29,296,616		$ 29,296,616	$ 27,796,167
Goodwill	1,754,875			1,754,875		1,754,875	1,733,287
Deposits	30,965,529			30,965,529		30,965,529	30,471,636
Sandy Spring
Segment Reporting [Line Items]
Goodwill		$ 540,800						$ 540,821
Wholesale Banking \| Sandy Spring
Segment Reporting [Line Items]
Goodwill		431,700
Goodwill, measurement period adjustments		26,700
Consumer Banking \| Sandy Spring
Segment Reporting [Line Items]
Goodwill		109,100
Operating segments \| Wholesale Banking
Segment Reporting [Line Items]
Interest and dividend income (expense)	453,821		454,493	1,321,625	1,194,795
Interest expense (income)	291,194		293,637	835,085	776,220
Net interest income	162,627		160,856	486,540	418,575
Provision for credit losses	350		14,368	6,010	109,435
Net interest income after provision for credit losses	162,277		146,488	480,530	309,140
Noninterest income	29,486		29,000	91,296	64,450
Noninterest expenses	92,941		92,982	277,685	232,787
Income before income taxes	98,822		82,506	294,141	140,803
LHFI, net of unearned income	24,308,720			24,308,720		24,308,720	23,179,687
Goodwill	1,281,726			1,281,726		1,281,726	1,254,979
Deposits	11,738,293			11,738,293		11,738,293	11,339,236
Operating segments \| Consumer Banking
Segment Reporting [Line Items]
Interest and dividend income (expense)	245,822		252,031	713,906	656,655
Interest expense (income)	134,699		137,295	384,510	353,285
Net interest income	111,123		114,736	329,396	303,370
Provision for credit losses	5,186		1,858	12,884	30,136
Net interest income after provision for credit losses	105,937		112,878	316,512	273,234
Noninterest income	18,864		19,945	56,309	54,240
Noninterest expenses	107,991		108,850	318,622	274,932
Income before income taxes	16,810		23,973	54,199	52,542
LHFI, net of unearned income	5,564,576			5,564,576		5,564,576	5,317,949
Goodwill	473,149			473,149		473,149	478,308
Goodwill, measurement period adjustments		$ (5,200)
Deposits	17,859,573			17,859,573		17,859,573	17,820,026
Corporate Other
Segment Reporting [Line Items]
Interest and dividend income (expense)	(198,510)		(203,087)	(575,836)	(531,805)
Interest expense (income)	(253,182)		(246,705)	(725,813)	(634,605)
Net interest income	54,672		43,618	149,977	102,800
Provision for credit losses	195		7	1,311	7
Net interest income after provision for credit losses	54,477		43,611	148,666	102,793
Noninterest income	6,442		2,806	52,218	43,746
Noninterest expenses	3,401		36,614	16,972	144,608
Income before income taxes	57,518		$ 9,803	183,912	$ 1,931
LHFI, net of unearned income	(576,680)			(576,680)		(576,680)	(701,469)
Goodwill	0			0		0	0
Deposits	$ 1,367,663			$ 1,367,663		$ 1,367,663	$ 1,312,374