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REGULATORY CAPITAL MATTERS - Schedule of the Company's and Bank's actual capital amounts and ratios (Details) $ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Common equity Tier 1 capital / % of risk weighted assets |  |
Actual, Ratio (as a percent) | 4.5 | 7.0
Tier 1 Capital / % of risk weighted assets |  |
Actual, Ratio (as a percent) | 6.0 | 8.5
Total Capital / % of risk weighted assets |  |
Actual, Ratio (as a percent) | 8.0 | 10.5
Basel III |  |
Tier 1 Capital / % of average total assets |  |
Actual, Amount | $ 1,037,235 | $ 651,382
Actual, Ratio (as a percent) | 8.5 | 10.0
For Capital Adequacy Purposes, Amount | $ 490,420 | $ 261,949
For Capital Adequacy Purposes, Minimum Ratio (as a percent) | 4.0 | 4.0
Common equity Tier 1 capital / % of risk weighted assets |  |
Actual, Amount | $ 920,666 | $ 534,813
Actual, Ratio (as a percent) | 9.5 | 10.2
For Capital Adequacy Purposes, Amount | $ 436,700 | $ 235,499
For Capital Adequacy Purposes, Minimum Ratio (as a percent) | 4.50% | 4.50%
Tier 1 Capital / % of risk weighted assets |  |
Actual, Amount | $ 1,037,235 | $ 651,382
Actual, Ratio (as a percent) | 10.7 | 12.4
For Capital Adequacy Purposes, Amount | $ 582,267 | $ 313,999
For Capital Adequacy Purposes, Minimum Ratio (as a percent) | 6.0 | 6.0
Total Capital / % of risk weighted assets |  |
Actual, Amount | $ 1,304,891 | $ 808,289
Actual, Ratio (as a percent) | 13.4 | 15.4
For Capital Adequacy Purposes, Amount | $ 776,356 | $ 418,666
For Capital Adequacy Purposes, Minimum Ratio (as a percent) | 8.0 | 8.0
BNB Bank | Basel III |  |
Tier 1 Capital / % of average total assets |  |
Actual, Amount | $ 1,215,586 | $ 653,393
Actual, Ratio (as a percent) | 10.0 | 10.2
For Capital Adequacy Purposes, Amount | $ 488,506 | $ 257,143
For Capital Adequacy Purposes, Minimum Ratio (as a percent) | 4.0 | 4.0
To Be Categorized as "Well Capitalized", Amount | $ 610,633 | $ 321,428
To Be Categorized as "Well Capitalized", Minimum Ratio (as a percent) | 5.0 | 5.0
Common equity Tier 1 capital / % of risk weighted assets |  |
Actual, Amount | $ 1,215,586 | $ 653,393
Actual, Ratio (as a percent) | 12.5 | 12.5
For Capital Adequacy Purposes, Amount | $ 436,539 | $ 235,243
For Capital Adequacy Purposes, Minimum Ratio (as a percent) | 4.50% | 4.50%
To Be Categorized as "Well Capitalized", Amount | $ 630,557 | $ 339,796
To Be Categorized as "Well Capitalized", Minimum Ratio (as a percent) | 6.50% | 6.50%
Tier 1 Capital / % of risk weighted assets |  |
Actual, Amount | $ 1,215,586 | $ 653,393
Actual, Ratio (as a percent) | 12.5 | 12.5
For Capital Adequacy Purposes, Amount | $ 582,052 | $ 313,658
For Capital Adequacy Purposes, Minimum Ratio (as a percent) | 6.0 | 6.0
To Be Categorized as "Well Capitalized", Amount | $ 776,070 | $ 418,210
To Be Categorized as "Well Capitalized", Minimum Ratio (as a percent) | 8.0 | 8.0
Total Capital / % of risk weighted assets |  |
Actual, Amount | $ 1,304,242 | $ 695,300
Actual, Ratio (as a percent) | 13.4 | 13.3
For Capital Adequacy Purposes, Amount | $ 776,070 | $ 418,210
For Capital Adequacy Purposes, Minimum Ratio (as a percent) | 8.0 | 8.0
To Be Categorized as "Well Capitalized", Amount | $ 970,087 | $ 522,763
To Be Categorized as "Well Capitalized", Minimum Ratio (as a percent) | 10.0 | 10.0

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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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