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REGULATORY MATTERS AND CAPITAL | 12 Months Ended
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Dec. 31, 2022
Regulatory Capital Requirements [Abstract] |
REGULATORY MATTERS AND CAPITAL | 12. REGULATORY MATTERS AND CAPITAL Capital resources represent funds, earned or obtained, over which financial institutions can exercise greater or longer control in comparison with deposits and borrowed funds. Management seeks to maintain a capital structure that will assure an adequate level of capital to support anticipated asset growth and to absorb potential losses, yet allow management to effectively leverage its capital to maximize return to shareholders. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material effect on financial statements of the Company and the Bank. Under capital adequacy guidelines and the regulatory framework for PCA, the Company and the Bank must meet specific capital guidelines that involve quantitative measures of their assets, liabilities, and certain off-balance sheet items as calculated under regulatory accounting practices. The capital amounts and classifications are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. PCA provisions are not applicable to financial holding companies and bank holding companies, but only to their bank subsidiaries. As of December 31, 2022 and 2021, the most recent notification from the FRB categorized the Bank as “well capitalized” under the regulatory framework for PCA. To be categorized as “well-capitalized,” an institution must maintain minimum total risk-based, Tier 1 risk-based, Tier 1 leverage, and common equity Tier 1 ratios as set forth in the following tables. There are no conditions or events since that notification that management believes have changed the Bank’s category. On March 27, 2020, the banking agencies issued an interim final rule that allows the Company to phase in the impact of adopting the CECL methodology up to two years, with a three-year transition period to phase out the cumulative benefit to regulatory capital provided during the two-year delay. The Company is allowed to include the impact of the CECL transition, which is defined as the CECL Day 1 impact to capital plus 25% of the Company’s provision for credit losses during 2020, in regulatory capital through 2021. The Company elected to phase in the regulatory capital impact as permitted under the aforementioned interim final rule. The CECL transition amount will be phased out of regulatory capital over a three-year period beginning in 2022 and ending in 2024. ​ The Company and the Bank’s capital amounts and ratios are also presented in the following table at December 31, 2022 and 2021 (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Required in Order to Be |
​ | ​ | ​ | ​ | ​ | ​ | ​ | Required for Capital | ​ | Well Capitalized Under |
​ | ​ | Actual | ​ | Adequacy Purposes | ​ | PCA |
​ |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |
As of December 31, 2022 |  | ​ |  |  |  |  | ​ |  |  |  |  |  |  |  | ​
Common equity Tier 1 capital to risk weighted assets: |  | ​ |  |  |  |  | ​ |  |  |  |  |  |  |  | ​
Consolidated | ​ | $ | 1,684,088 |  | 9.95 | % | $ | 761,648 | ​ | 4.50% | ​ | NA | ​ | NA | ​
Atlantic Union Bank | ​ |  | 2,154,594 |  | 12.81 | % |  | 756,883 | ​ | 4.50% | ​ | 1,093,276 | ​ | 6.50% | ​
Tier 1 capital to risk weighted assets: | ​ |  | ​ |  | ​ | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ |  | 1,850,444 |  | 10.93 | % |  | 1,014,869 | ​ | 6.00% | ​ | NA | ​ | NA | ​
Atlantic Union Bank | ​ |  | 2,154,594 |  | 12.81 | % |  | 1,009,178 | ​ | 6.00% | ​ | 1,345,570 | ​ | 8.00% | ​
Total capital to risk weighted assets: | ​ |  | ​ |  | ​ | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ |  | 2,319,160 |  | 13.70 | % |  | 1,354,254 | ​ | 8.00% | ​ | NA | ​ | NA | ​
Atlantic Union Bank | ​ |  | 2,238,106 |  | 13.30 | % |  | 1,346,229 | ​ | 8.00% | ​ | 1,682,786 | ​ | 10.00% | ​
Tier 1 capital to average adjusted assets: | ​ |  | ​ |  | ​ | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ |  | 1,850,444 |  | 9.42 | % |  | 785,751 | ​ | 4.00% | ​ | NA | ​ | NA | ​
Atlantic Union Bank | ​ |  | 2,154,594 |  | 11.02 | % |  | 782,067 | ​ | 4.00% | ​ | 977,583 | ​ | 5.00% | ​
As of December 31, 2021 | ​ |  |  |  |  | ​ |  |  |  |  |  |  |  |  | ​
Common equity Tier 1 capital to risk weighted assets: | ​ |  |  |  |  | ​ |  |  |  |  |  |  |  |  | ​
Consolidated | ​ | $ | 1,569,752 |  | 10.24 | % | $ | 689,832 |  | 4.50% | ​ | NA |  | NA | ​
Atlantic Union Bank | ​ |  | 1,990,753 |  | 13.03 | % |  | 687,520 |  | 4.50% | ​ | 993,085 |  | 6.50% | ​
Tier 1 capital to risk weighted assets: | ​ |  | ​ |  | ​ | ​ |  | ​ |  | ​ |  | ​ |  | ​ | ​
Consolidated | ​ |  | 1,736,108 |  | 11.32 | % |  | 920,199 |  | 6.00% | ​ | NA |  | NA | ​
Atlantic Union Bank | ​ |  | 1,990,753 |  | 13.03 | % |  | 916,694 |  | 6.00% | ​ | 1,222,258 |  | 8.00% | ​
Total capital to risk weighted assets: | ​ |  | ​ |  | ​ | ​ |  | ​ |  | ​ |  | ​ |  | ​ | ​
Consolidated | ​ |  | 2,173,543 |  | 14.17 | % |  | 1,227,124 |  | 8.00% | ​ | NA |  | NA | ​
Atlantic Union Bank | ​ |  | 2,044,123 |  | 13.38 | % |  | 1,222,196 |  | 8.00% | ​ | 1,527,745 |  | 10.00% | ​
Tier 1 capital to average adjusted assets: | ​ |  | ​ |  | ​ | ​ |  | ​ |  | ​ |  | ​ |  | ​ | ​
Consolidated | ​ |  | 1,736,108 |  | 9.01 | % |  | 770,747 |  | 4.00% | ​ | NA |  | NA | ​
Atlantic Union Bank | ​ |  | 1,990,753 |  | 10.37 | % |  | 767,889 |  | 4.00% | ​ | 959,862 |  | 5.00% | ​
​ ​

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- Definition The entire disclosure for regulatory capital requirement for depository and lending institutions. Institutions include, but not are not limited to, finance company, insured depository institution, bank holding company, savings and loan association holding company, bank and savings institution not federally insured, mortgage company, foreign financial institution and credit union. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1F -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958575-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1A -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958569-112826 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1D -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958573-112826 + Details
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