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REGULATORY MATTERS - Capital Amounts and Ratios (Details) $ in Thousands | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Total capital to risk-weighted assets - actual amount | $ 290,425 | $ 285,397
Total capital to risk-weighted assets - actual ratio | 0.1567 | 0.1572
Total capital to risk-weighted assets - minimum to meet the corporation's policy thresholds amount | $ 203,809 | $ 190,590
Tier 1 capital to risk-weighted assets - actual amount | $ 245,810 | $ 243,750
Tier 1 capital to risk-weighted assets - actual ratio | 0.1327 | 0.1343
Tier 1 capital to risk-weighted assets - minimum to meet the corporation's policy thresholds amount | $ 166,753 | $ 154,287
Common equity Tier 1 - amount | $ 245,810 | $ 243,750
Common equity Tier 1 - ratio | 0.1327 | 0.1343
Common equity Tier 1 - minimum to meet the corporation's policy thresholds amount | $ 138,961 | $ 127,060
Tier 1 capital average - amount | $ 245,810 | $ 243,750
Tier 1 capital average - ratio | 0.0987 | 0.1011
Tier 1 capital average - minimum to meet the corporation's policy threshold amount | $ 199,151 | $ 192,941
Citizens and Northern Bank [Member] |  |
Total capital to risk-weighted assets - actual amount | $ 275,307 | $ 265,784
Total capital to risk-weighted assets - actual ratio | 0.1489 | 0.1468
Total capital to risk-weighted assets - minimum to meet the corporation's policy thresholds amount | $ 203,396 | $ 190,145
Total capital to risk-weighted assets - minimum capital requirement amount | 147,925 | 144,873
Total capital to risk-weighted assets - minimum capital requirement with conservation buffer amount | 194,151 | 190,145
Total capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions amount | 184,906 | 181,091
Tier 1 capital to risk-weighted assets - actual amount | $ 255,409 | $ 248,744
Tier 1 capital to risk-weighted assets - actual ratio | 0.1381 | 0.1374
Tier 1 capital to risk-weighted assets - minimum to meet the corporation's policy thresholds amount | $ 166,415 | $ 153,927
Tier 1 capital to risk-weighted assets - minimum capital requirement amount | 110,943 | 108,654
Tier 1 capital to risk-weighted assets - minimum capital requirement with conservation buffer amount | 157,170 | 153,927
Tier 1 capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions amount | 147,925 | 144,873
Common equity Tier 1 - amount | $ 255,409 | $ 248,744
Common equity Tier 1 - ratio | 0.1381 | 0.1374
Common equity Tier 1 - minimum to meet the corporation's policy thresholds amount | $ 138,679 | $ 126,764
Common equity Tier 1 - minimum capital requirement amount | 83,208 | 81,491
Common equity Tier 1 - capital conservation buffer amount | 129,434 | 126,764
Common equity Tier 1 Capital - minimum to be well capitalized under prompt corrective action provisions amount | 120,189 | 117,709
Tier 1 capital average - amount | $ 255,409 | $ 248,744
Tier 1 capital average - ratio | 0.1032 | 0.1038
Tier 1 capital average - minimum to meet the corporation's policy threshold amount | $ 198,020 | $ 191,652
Tier 1 capital average - minimum capital amount | 99,010 | 95,826
Tier 1 capital average - minimum to be well capitalized amount | $ 123,762 | $ 119,783

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