Preferred Stock (Details) (USD $)	1 Months Ended	0 Months Ended		2 Months Ended
	Apr. 30, 2015	Jul. 15, 2015	May 12, 2015	Jul. 15, 2015	Mar. 31, 2015	Dec. 31, 2014
Schedule of Capitalization, Equity [Line Items]
Preferred Stock Shares Issued					480,000
Aggregate value					$ 5,000	$ 5,000
Series B Preferred Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Preferred Stock Shares Issued					480,000	480,000
Warrant number of common stock shares purchased					2.00
Warrant, value					700
Warrant, shares					(28,000)
Common Stock
Schedule of Capitalization, Equity [Line Items]
Warrant number of common stock shares purchased					3.25
Warrant, value					700
Warrant, shares					(28,000)
Subsequent Event [Member] | Non-Cumulative Convertible Perpetual Preferred Stock Series B [Member] | Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Preferred stock rate	6.25%
Price per share	$ 25.00
Subsequent Event [Member] | Series B Preferred Stock [Member] | Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Preferred Stock Shares Issued		480,000	480,000	480,000
Aggregate value		12,000	12,000	12,000
Expenses for issuance of stock		482	482
Other offering expenses		149	149
Proceeds from Issuance of Private Placement				$ 11,369