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REGULATORY CAPITAL REQUIREMENTS (Details) $ in Thousands | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Total capital to risk-weighted assets: |  |
Actual | $ 1,904,533 | $ 1,769,064
Actual, Ratio | 0.1458 | 0.1404
Minimum for Capital Adequacy Purposes | $ 1,045,181 | $ 1,008,232
Minimum for Capital Adequacy Purposes, Ratio | 0.0800 | 0.0800
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions | $ 1,306,476 | $ 1,260,290
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions, Ratio | 0.1000 | 0.1000
Tier 1 capital to risk-weighted assets: |  |
Actual | $ 1,650,872 | $ 1,528,694
Actual, Ratio | 0.1264 | 0.1213
Minimum for Capital Adequacy Purposes | $ 783,886 | $ 756,174
Minimum for Capital Adequacy Purposes, Ratio | 0.0600 | 0.0600
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions | $ 783,886 | $ 756,174
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions, Ratio | 0.0600 | 0.0600
Tier 1 leverage capital to average assets: |  |
Actual | $ 1,650,872 | $ 1,528,694
Actual, Ratio | 0.1056 | 0.0945
Minimum for Capital Adequacy Purposes | $ 625,387 | $ 647,345
Minimum for Capital Adequacy Purposes, Ratio | 0.0400 | 0.0400
Tier 1 common equity to risk-weighted assets: |  |
Banking Regulation, Common Equity Tier One Risk-Based Capital, Actual | $ 1,564,372 | $ 1,442,194
Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Actual | 0.1197 | 0.1144
Banking Regulation, Common Equity Tier One Risk-Based Capital, Capital Adequacy, Minimum | $ 587,914 | $ 567,130
Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum | 0.0450 | 0.0450
Banner Bank [Member] |  |
Total capital to risk-weighted assets: |  |
Actual | $ 1,789,371 | $ 1,684,766
Actual, Ratio | 0.1369 | 0.1338
Minimum for Capital Adequacy Purposes | $ 1,045,273 | $ 1,007,325
Minimum for Capital Adequacy Purposes, Ratio | 0.0800 | 0.0800
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions | $ 1,306,592 | $ 1,259,156
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions, Ratio | 0.1000 | 0.1000
Tier 1 capital to risk-weighted assets: |  |
Actual | $ 1,635,710 | $ 1,544,396
Actual, Ratio | 0.1252 | 0.1227
Minimum for Capital Adequacy Purposes | $ 783,955 | $ 755,494
Minimum for Capital Adequacy Purposes, Ratio | 0.0600 | 0.0600
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions | $ 1,045,273 | $ 1,007,325
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions, Ratio | 0.0800 | 0.0800
Tier 1 leverage capital to average assets: |  |
Actual | $ 1,635,710 | $ 1,544,396
Actual, Ratio | 0.1046 | 0.0955
Minimum for Capital Adequacy Purposes | $ 625,298 | $ 646,935
Minimum for Capital Adequacy Purposes, Ratio | 0.0400 | 0.0400
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions | $ 781,622 | $ 808,668
Minimum to be Categorized as Well-Capitalized Under Prompt Corrective Action Provisions, Ratio | 0.0500 | 0.0500
Tier 1 common equity to risk-weighted assets: |  |
Banking Regulation, Common Equity Tier One Risk-Based Capital, Actual | $ 1,635,710 | $ 1,544,396
Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Actual | 0.1252 | 0.1227
Banking Regulation, Common Equity Tier One Risk-Based Capital, Capital Adequacy, Minimum | $ 587,966 | $ 566,620
Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum | 0.0450 | 0.0450
Banking Regulation, Common Equity Tier One Risk-Based Capital, Well Capitalized, Minimum | $ 849,285 | $ 818,452
Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Well Capitalized, Minimum | 0.0650 | 0.0650

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