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Stock Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
The Company made the following awards of time vested restricted stock:
DateShares GrantedPlanGrant Date Fair Value Per Share Vesting Period
2/18/202149,550 2005 Employee Stock Plan$81.84 Ratably over 5 years from grant date