Atlantic Union Bankshares Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details
Uncategorized
- Pay vs Performance Disclosure
- Insider Trading Arrangements

SECURITIES AND OTHER INVESTMENTS (Narrative) (Details)

v3.24.1.u1

SECURITIES AND OTHER INVESTMENTS (Narrative) (Details)	3 Months Ended	12 Months Ended
SECURITIES AND OTHER INVESTMENTS (Narrative) (Details)	Mar. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Schedule Of Debt Investments [Line Items]
Available for sale securities past due or non-accrual	$ 0	$ 0
Available-for-sale securities, continuous unrealized loss position, 12 months or longer, accumulated loss	408,115,000	382,167,000
AFS securities in an unrealized loss, credit related impairment	0	0
Available for sale securities, allowance for credit losses	0	0
HTM securities past due or non accrual	0	0
Restricted equity securities consist of Federal Reserve Bank stock	67,000,000.0	67,000,000.0
Federal Home Loan Bank Stock	$ 43,200,000	$ 48,400,000
Restricted equity securities as a percentage of outstanding borrowings, required by FHLB	4.25%	4.25%
Restricted equity securities as a percentage of outstanding borrowings, required by FRB	6.00%	6.00%
Held-to-Maturity Securities
Schedule Of Debt Investments [Line Items]
Accrued interest receivable	$ 6,700,000	$ 8,400,000
Available-for-sale Securities
Schedule Of Debt Investments [Line Items]
Available for sale securities that had been in a continuous loss position for more than 12 months, Number of issues \| security	759	757
Accrued interest receivable	$ 9,100,000	$ 9,500,000
Non-agency collateralized mortgage obligations
Schedule Of Debt Investments [Line Items]
SSFA rating percentage	20.00%	20.00%

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