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Regulation and Rates (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Dec. 31, 2021
Dec. 31, 2022
Jul. 01, 2021
Jun. 16, 2021
Regulation and Rates [Line Items]          
Current regulatory liabilities $ 41,389   $ 42,890    
CLECO POWER          
Regulation and Rates [Line Items]          
Regulatory liabilities 160,665   161,652    
Current regulatory liabilities 41,389   $ 42,890    
CLECO POWER | LPSC | Excess ADIT          
Regulation and Rates [Line Items]          
Bill credit related to unprotected excess ADIT       $ 2,500  
Regulatory liability, amortization period         3 years
Regulatory liabilities 236,600        
Current regulatory liabilities $ 41,400        
CLECO POWER | LPSC | FRP          
Regulation and Rates [Line Items]          
Target ROE allowed by FRP 9.50% 9.50%      
Percentage of retail earnings within range to be returned to customers 60.00% 60.00%      
ROE for customer credit, low range 10.00% 10.00%      
ROE for customer credit, high range 10.50% 10.50%      
CLECO POWER | LPSC | FRP | Maximum          
Regulation and Rates [Line Items]          
Target ROE allowed by FRP 10.00% 10.00%