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DISCLOSURE OF CHANGES IN NUMBER OF SHARES - shares
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Preferred Stock:    
Preferred stock - Balance at beginning of period 885,726 885,726
Preferred stock - Balance at ending of period 885,726 885,726
Common Stock - Issued:    
Common stock - balance at beginning of period 104,579,334 104,508,290
Issuance of stock 34,774 37,576
Common stock - balance at end of period 104,614,108 104,545,866
Treasury stock (28,037,711) (23,889,386)
Common stock shares outstanding 76,576,397 80,656,480