Annual report pursuant to Section 13 and 15(d)

REGULATORY MATTERS AND CAPITAL (Schedule of Bank Capital and Ratio) (Details)

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REGULATORY MATTERS AND CAPITAL (Schedule of Bank Capital and Ratio) (Details)
$ in Thousands
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Common Equity Tier 1 capital to risk weighted assets, actual amount $ 1,790,183 $ 1,684,088
Common Equity Tier 1 capital to risk weighted assets, actual ratio 0.0984 0.0995
Common Equity Tier 1 capital to risk weighted assets, required for capital adequacy purposes, amount $ 818,681 $ 761,648
Common Equity Tier 1 capital to risk weighted assets, required for capital adequacy purposes, ratio 0.0450 0.0450
Tier 1 capital to risk weighted assets, actual amount $ 1,956,539 $ 1,850,444
Tier 1 capital to risk weighted assets, actual ratio 0.1076 0.1093
Tier 1 capital to risk weighted assets, required for capital adequacy purposes, amount $ 1,091,007 $ 1,014,869
Tier 1 capital ratio of risk-weighted assets, required for capital adequacy purposes, ratio 0.0600 0.0600
Total capital to risk weighted assets, actual amount $ 2,464,817 $ 2,319,160
Total capital to risk weighted assets, actual ratio 0.1355 0.1370
Total capital to risk weighted assets, Required for Capital adequacy purposes, amount $ 1,455,243 $ 1,354,254
Total capital to risk weighted assets, required for capital adequacy purposes, ratio 0.0800 0.0800
Tier 1 capital to average adjusted assets, actual amount $ 1,956,539 $ 1,850,444
Tier 1 capital to average adjusted assets, actual ratio 0.0963 0.0942
Tier 1 capital to average adjusted assets, required for capital adequacy purposes, amount $ 812,685 $ 785,751
Tier 1 capital to average adjusted assets, required for capital adequacy purposes, ratio 0.0400 0.0400
Capital conservation buffer 0.0250 0.0250
Atlantic Union Bank    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Common Equity Tier 1 capital to risk weighted assets, actual amount $ 2,256,291 $ 2,154,594
Common Equity Tier 1 capital to risk weighted assets, actual ratio 0.1248 0.1281
Common Equity Tier 1 capital to risk weighted assets, required for capital adequacy purposes, amount $ 813,566 $ 756,883
Common Equity Tier 1 capital to risk weighted assets, required for capital adequacy purposes, ratio 0.0450 0.0450
Common Equity Tier 1 capital to risk weighted assets, required in order to be well capitalized under PCA, amount $ 1,175,152 $ 1,093,276
Common Equity Tier 1 capital to risk weighted assets, required in order to be well capitalized under PCA, ratio 0.0650 0.0650
Tier 1 capital to risk weighted assets, actual amount $ 2,256,291 $ 2,154,594
Tier 1 capital to risk weighted assets, actual ratio 0.1248 0.1281
Tier 1 capital to risk weighted assets, required for capital adequacy purposes, amount $ 1,084,755 $ 1,009,178
Tier 1 capital ratio of risk-weighted assets, required for capital adequacy purposes, ratio 0.0600 0.0600
Tier 1 capital to risk weighted assets, required in order to be well capitalized under PCA, amount $ 1,446,340 $ 1,345,570
Tier 1 capital to risk weighted assets, required in order to be well capitalized under PCA, ratio 0.0800 0.0800
Total capital to risk weighted assets, actual amount $ 2,378,204 $ 2,238,106
Total capital to risk weighted assets, actual ratio 0.1315 0.1330
Total capital to risk weighted assets, Required for Capital adequacy purposes, amount $ 1,446,816 $ 1,346,229
Total capital to risk weighted assets, required for capital adequacy purposes, ratio 0.0800 0.0800
Total capital to risk weighted assets, required in order to be well capitalized under PCA, amount $ 1,808,520 $ 1,682,786
Total capital to risk weighted assets, required in order to be well capitalized under PCA, ratio 0.1000 0.1000
Tier 1 capital to average adjusted assets, actual amount $ 2,256,291 $ 2,154,594
Tier 1 capital to average adjusted assets, actual ratio 0.1116 0.1102
Tier 1 capital to average adjusted assets, required for capital adequacy purposes, amount $ 808,706 $ 782,067
Tier 1 capital to average adjusted assets, required for capital adequacy purposes, ratio 0.0400 0.0400
Tier 1 capital to average adjusted assets, required in order to be well capitalized under PCA, amount $ 1,010,883 $ 977,583
Tier 1 capital to average adjusted assets, required in order to be well capitalized under PCA, ratio 0.0500 0.0500