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Stock-Based Compensation - Restricted Stock Activity (Details) - 2012 Long term incentive plan - Restricted stock subject to vesting
shares in Thousands
6 Months Ended
Jun. 30, 2023
$ / shares
shares
RSAs (Shares)  
Restricted stock awards outstanding at beginning of period (in shares) | shares 616
Awards granted (in shares) | shares 240
Awards vested (in shares) | shares (174)
Awards forfeited (in shares) | shares (18)
Restricted stock awards outstanding at end of period (in shares) | shares 664
Weighted-Average Grant Date Fair Value  
Awards outstanding at beginning of period (in dollars per share) | $ / shares $ 72.02
Awards granted (in dollars per share) | $ / shares 73.50
Awards vested (in dollars per share) | $ / shares 64.59
Awards forfeited (in dollars per share) | $ / shares 72.06
Awards outstanding at end of period (in dollars per share) | $ / shares $ 74.50