CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares	Jun. 30, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00	[1]
Common stock, shares authorized (in shares)	75,000,000	75,000,000	[1]
Common stock, shares issued (in shares)	51,577,575	31,727,767	[1]
Common stock, shares outstanding (in shares)	51,577,575	31,727,767	[1]

[1] Derived from the audited consolidated financial statements included in the Company's 2015 Annual Report on Form 10-K.