STOCKHOLDERS' EQUITY AND REGULATORY CAPITAL MATTERS - REGULATORY (Details) $ in Thousands	Dec. 31, 2024 USD ($) item	Dec. 31, 2023 USD ($)
REGULATORY CAPITAL MATTERS
Number of classifications \| item	5
Republic Bancorp, Inc.
Actual Amount
Total capital to risk weighted assets	$ 1,042,149	$ 968,844
Common equity tier 1 capital to risk weighted assets	965,243	893,658
Tier 1 (core) capital to risk weighted assets	965,243	893,658
Tier 1 leverage capital to average assets	$ 965,243	$ 893,658
Actual Ratio
Total capital to risk weighted assets ratio	0.1698	0.161
Common equity tier 1 capital to risk weighted assets ratio	0.1573	0.1485
Tier 1 (core) capital to risk weighted assets ratio	0.1573	0.1485
Tier 1 leverage capital to average assets ratio	0.1407	0.1389
Minimum Requirement for Capital Adequacy Purposes Amount
Total capital to risk weighted assets	$ 490,967	$ 481,522
Common equity Tier 1 capital to risk weighted assets	276,169	270,856
Tier 1 (core) capital to risk weighted assets	368,225	361,141
Tier 1 leverage capital to average assets	$ 274,384	$ 257,442
Minimum Requirement for Capital Adequacy Purposes Ratio
Total capital to risk weighted assets ratio	0.08	0.08
Common equity tier 1 capital to risk weighted assets ratio	0.045	0.045
Tier 1 (core) capital to risk weighted assets ratio	0.06	0.06
Tier 1 leverage capital to average assets ratio	0.04	0.04
Republic Bank & Trust Co.
Actual Amount
Total capital to risk weighted assets	$ 989,800	$ 931,923
Common equity tier 1 capital to risk weighted assets	912,968	856,744
Tier 1 (core) capital to risk weighted assets	912,968	856,744
Tier 1 leverage capital to average assets	$ 912,968	$ 856,744
Actual Ratio
Total capital to risk weighted assets ratio	0.1614	0.155
Common equity tier 1 capital to risk weighted assets ratio	0.1489	0.1425
Tier 1 (core) capital to risk weighted assets ratio	0.1489	0.1425
Tier 1 leverage capital to average assets ratio	0.1329	0.1325
Minimum Requirement for Capital Adequacy Purposes Amount
Total capital to risk weighted assets	$ 490,567	$ 481,147
Common equity Tier 1 capital to risk weighted assets	275,944	270,645
Tier 1 (core) capital to risk weighted assets	367,925	360,860
Tier 1 leverage capital to average assets	$ 274,789	$ 258,697
Minimum Requirement for Capital Adequacy Purposes Ratio
Total capital to risk weighted assets ratio	0.08	0.08
Common equity tier 1 capital to risk weighted assets ratio	0.045	0.045
Tier 1 (core) capital to risk weighted assets ratio	0.06	0.06
Tier 1 leverage capital to average assets ratio	0.04	0.04
Minimum Requirement to be Well Capitalized Under Prompt Corrective Action Provisions Amount
Total capital to risk weighted assets	$ 613,209	$ 601,433
Common equity Tier 1 capital to risk weighted assets	398,586	390,932
Tier 1 (core) capital to risk weighted assets	490,567	481,147
Tier 1 leverage capital to average assets	$ 343,486	$ 323,371
Minimum Requirement to be Well Capitalized Under Prompt Corrective Action Provisions Ratio
Total capital to risk weighted assets ratio	0.10	0.10
Common equity tier 1 capital to risk weighted assets ratio	0.065	0.065
Tier 1 (core) capital to risk weighted assets ratio	0.08	0.08
Tier 1 leverage capital to average assets ratio	0.05	0.05
Implementation of Basel III regulatory capital reforms and changes required by the Dodd-Frank Act
REGULATORY CAPITAL MATTERS
Capital Conversion Buffer	0.025
Minimum Requirement to be Well Capitalized Under Prompt Corrective Action Provisions Ratio
Total capital to risk weighted assets ratio	0.10
Common equity tier 1 capital to risk weighted assets ratio	0.065
Tier 1 (core) capital to risk weighted assets ratio	0.08
Tier 1 leverage capital to average assets ratio	0.05

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