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EQUITY EQUITY (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dividends, Per Share, Cash Paid   $ 0.935 $ 0.935 $ 0.935 $ 0.935 $ 0.935 $ 0.935 $ 0.935 $ 0.935 $ 0.935 $ 0.935 $ 0.935 $ 0.935 $ 3.74 $ 3.74 $ 3.74
Dividends, Cash                           $ 1,700,000 $ 1,700,000 $ 1,600,000
Public Offering Price                       $ 32.00        
Stock Issued During Period, Shares, New Issues                       29,900        
Stock Issued During Period, Value, New Issues                       $ 937,000        
Dividends, Preferred Stock, Cash                           1,100 1,100 1,100
Preferred stock dividends paid                           $ 1,100 $ 1,100 $ 1,100
Issued Under Equity Agreement                                
Common Stock Sold Under Equity Distribution Agreement                           0    
Subsequent Event [Member]                                
Common Stock, Dividends, Per Share, Declared, Annualized $ 3.82                              
Common Stock, Dividends, Per Share, Declared $ 0.955                              
Preferred stock dividends paid $ 300                              
Dividends Payable, Date of Record Jan. 30, 2023                              
Series A Preferred Stock [Member]                                
Preferred Stock, Shares Outstanding   0                       0    
Series E Preferred Stock [Member]                                
Preferred Stock, Dividend Rate, Percentage                           5.50%    
ONEOK [Member]                                
Aggregate Amount Of Common Shares Available For Issuance And Sale Under Equity Distribution Agreement                     $ 1,000,000