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STOCK BASED AND DEFERRED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Summary of Compensation Expense and Stock Award Activity Below is a summary of stock-based compensation expense and stock award activity (dollars in thousands):
 Three Months Ended March 31,
 20242023
Stock-based compensation expense$6,114 $6,225 
Non-vested shares granted140,665 178,312 
Performance-based non-vested shares granted 37,698 42,964 
Performance-based shares issued in excess of target shares granted (1)
15,978 26,167 
Restricted stock awards vested (includes performance-based awards)240,418 287,171 
(1)Performance-based shares that vested and were issued as a result of performance achievement exceeding the originally established targeted number of shares related to respective performance metrics.
Summary of Additional Information Regarding Stock Plan
The following table includes additional information regarding our stock compensation plan (dollars in thousands):
 As of
 March 31, 2024December 31, 2023
Unrecognized stock-based compensation cost$42,833 $27,791 
Weighted average years expense recognition period2.251.94
Total equity awards outstanding (1)
641,004 703,415 
(1)Includes unvested restricted stock units and performance-based awards (assuming 100%/target payout).