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Note 3 - Share-based Compensation
 6 Months Ended
Jun. 30, 2022
Notes to Financial Statements  
Share-Based Payment Arrangement [Text Block]

3.

Share-based Compensation

 

The following table summarizes the components of our share-based compensation program expense (in thousands):

 

  

Three Months Ended

June 30,

  

Six Months Ended

June 30,

 
  

2022

  

2021

  

2022

  

2021

 

Restricted share units:

 

Pretax compensation expense

 $14,920  $12,214  $27,895  $22,993 

Tax benefit

  3,730   3,078   6,974   5,795 

Restricted share unit expense, net of tax

 $11,190  $9,136  $20,921  $17,198 
  

Performance share units:

 

Pretax compensation expense

 $5,523  $4,284  $11,689  $8,473 

Tax benefit

  1,381   1,080   2,922   2,135 

Performance share unit expense, net of tax

 $4,142  $3,204  $8,767  $6,338 

 

As of June 30, 2022, we had $93.9 million and $31.6 million of total unrecognized compensation expense related to restricted share units and performance share units, respectively, that is to be recognized over the remaining weighted average period of approximately 2.8 years for restricted share units and 2.3 years for performance share units. During the six months ended June 30, 2022, we issued 13,813 shares for vested restricted share units and 108,823 shares for vested performance share units. No restricted share units or performance share units were issued during the second quarter 2022.