Disclosure of Changes in Number of Shares - shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015	Dec. 31, 2014
Treasury stock - at cost, shares			(187,745)	(137,706)
Common Stock - Outstanding	103,503,014
Common Stock Member
Beginning balance	103,614,553	103,435,967
Issuance of stock	76,206	103,416
Ending balance	103,690,759	103,539,383
Treasury stock - at cost, shares	(187,745)	(66,404)
Common Stock - Outstanding	103,503,014	103,472,979
Preferred Stock Member
Ending balance	2,006,391	2,006,391