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OPTIONS AND AWARDS - EMPLOYEE STOCK OPTION ACTIVITY (Details) - The Ensign Plans - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Number of Options Outstanding      
Beginning balance, outstanding (in shares) 2,242    
Granted (in shares) 448    
Exercised (in shares) (125) (115) (239)
Forfeited (in shares) (245)    
Expired (in shares) (101)    
Ending balance, outstanding (in shares) 2,219 2,242  
Weighted Average Exercise Price      
Beginning of period, weighted average exercise price (in dollars per share) $ 21.38    
Granted (in dollars per share) 14.39    
Exercised (in dollars per share) 8.69    
Forfeited (in dollars per share) 23.54    
Expired (in dollars per share) 14.03    
End of period, weighted average exercise price (in dollars per share) $ 20.76 $ 21.38  
Number of options vested (in shares) 973 840  
Weighted average exercise price of options vested (in dollars per share) $ 16.90 $ 12.28