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Regulatory Matters (Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations) (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
BCB Community Bank [Member] |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total capital (to risk-weighted assets): Actual - Amount | $ 350,749 | $ 327,806
Total capital (to risk-weighted assets): Actual - Ratio | 0.0909 | 0.0986
Total capital (to risk-weighted assets): For Capital Adequacy Purposes - Amount | $ 308,608 | $ 265,557
Total capital (to risk-weighted assets): For Capital Adequacy Purposes - Ratio | 0.0800 | 0.0800
Total capital (to risk-weighted assets): To be Well Capitalized under Prompt Corrective Action Provisions - Amount | $ 347,184 | $ 298,752
Total capital (to risk-weighted assets): To be Well Capitalized under Prompt Corrective Action Provisions - Ratio | 0.0900 | 0.0900
Bancorp [Member] |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total capital (to risk-weighted assets): Actual - Amount | $ 379,562 |
Total capital (to risk-weighted assets): Actual - Ratio | 0.1114 |
Total capital (to risk-weighted assets): For Capital Adequacy Purposes - Amount | $ 272,564 |
Total capital (to risk-weighted assets): For Capital Adequacy Purposes - Ratio | 0.0800 |
Total capital (to risk-weighted assets): To be Well Capitalized under Prompt Corrective Action Provisions - Amount | $ 340,705 |
Total capital (to risk-weighted assets): To be Well Capitalized under Prompt Corrective Action Provisions - Ratio | 0.1000 |
Tier 1 capital (to risk-weighted assets): Actual - Amount | $ 319,154 |
Tier 1 capital (to risk-weighted assets): Actual - Ratio | 0.0937 |
Tier 1 capital (to risk-weighted assets): For Capital Adequacy Purposes - Amount | $ 204,422 |
Tier 1 capital (to risk-weighted assets): For Capital Adequacy Purposes - Ratio | 0.0600 |
Tier 1 capital (to risk-weighted assets): To be Well Capitalized under Prompt Corrective Action Provisions - Amount | $ 272,563 |
Tier 1 capital (to risk-weighted assets): To be Well Capitalized under Prompt Corrective Action Provisions - Ratio | 0.0800 |
Tier 1 capital (to adjusted total assets): Actual - Amount | $ 319,154 |
Tier 1 capital (to adjusted total assets): Actual - Ratio | 0.0827 |
Tier 1 capital (to adjusted total assets): For Capital Adequacy Purposes - Amount | $ 154,315 |
Tier 1 capital (to adjusted total assets): For Capital Adequacy Purposes - Ratio | 0.0400 |
Tier 1 capital (to adjusted total assets): To be Well Capitalized under Prompt Corrective Action Provisions - Amount | $ 192,894 |
Tier 1 capital (to adjusted total assets): To be Well Capitalized under Prompt Corrective Action Provisions - Ratio | 0.0500 |
Common Equity Tier 1 (to risk-weighted assets): Actual - Amount | $ 289,987 |
Common Equity Tier 1 (to risk-weighted assets): Actual - Ratio | 0.0851% |
Common Equity Tier 1 (to risk-weighted assets): For Capital Adequacy Purposes - Amount | $ 153,317 |
Common Equity Tier 1 (to risk-weighted assets): For Capital Adequacy Purposes - Ratio | 0.045% |
Common Equity Tier 1 (to risk-weighted assets): To be Well Capitalized under Prompt Corrective Action Provisions - Amount | $ 221,458 |
Common Equity Tier 1 (to risk-weighted assets): To be Well Capitalized under Prompt Corrective Action Provisions - Ratio | 0.065% |

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