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DISCLOSURE OF CHANGES IN NUMBER OF SHARES - shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Preferred Stock:      
Preferred stock - Balance at beginning of period 885,726 2,006,391 2,006,391
Preferred stock shares redemption 0 (1,120,665) 0
Preferred stock - Balance at ending of period 885,726 885,726 2,006,391
Common Stock - Issued:      
Common stock - balance at beginning of period 104,508,290 104,392,222 104,320,303
Issuance of stock 71,044 116,068 71,919
Common stock - balance at end of period 104,579,334 104,508,290 104,392,222
Treasury stock (24,728,165) (20,264,055) (8,802,593)
Common stock shares outstanding 79,851,169 84,244,235 95,589,629