Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 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:

Date	Shares Granted	Plan	Grant Date Fair Value Per Share		Vesting Period
2/18/2021	49,550	2005 Employee Stock Plan	$	81.84	Ratably over 5 years from grant date
5/25/2021	7,680	2018 Non-Employee Director Stock Plan	$	78.18	Shares vested immediately