Equity (Details) - shares	12 Months Ended
	Dec. 31, 2015	Apr. 20, 2015	Mar. 31, 2015	Dec. 31, 2014	Apr. 20, 2009	Jan. 31, 2008
Class of Stock [Line Items]
Preferred stock, shares authorized	2,000,000	2,000,000		200,000
Preferred stock, shares issued	0			0
Common Stock, Shares Authorized	60,000,000	60,000,000	45,000,000	45,000,000
Common Stock [Member]
Class of Stock [Line Items]
Number of shares authorized to be repurchased						500,000
Stock repurchased during the period, shares	0
Number of remaining shares authorized to be repurchased	500,000
Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized					200,000