DISCLOSURE OF CHANGES IN NUMBER OF SHARES - shares	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Treasury stock	(3,968,188)
Common Stock - Outstanding	100,336,341
Common Stock
Beginning balance	104,238,159	104,058,684
Issuance of stock	66,370	138,840
Balance at end of year	104,304,529	104,197,524
Treasury stock	(3,968,188)	(2,171,107)
Common Stock - Outstanding	100,336,341	102,026,417
Preferred Stock
Balance at end of year	2,006,391	2,006,391