Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Schedule of Stock by Class

Share activity during the year ended December 31, 2016 is as follows:

	Preferred Stock Series E	Common Stock Issued	Treasury Stock Held		Common Stock Outstanding
Balance at January 1, 2016	5,060	93,651,601	2,090,409		91,561,192
Restricted share activity	—	—	(248,603	)	248,603
Stock options exercised	—	—	(292,304	)	292,304
Common stock repurchased	—	—	350,000		(350,000	)
Balance at December 31, 2016	5,060	93,651,601	1,899,502		91,752,099