Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	2 Months Ended
	Jul. 15, 2014	May 12, 2014	Apr. 30, 2014	Jul. 15, 2014	Mar. 31, 2017	Dec. 31, 2016
Schedule of Capitalization, Equity [Line Items]
Aggregate value					$ 5	$ 5
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
Series B Preferred Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Preferred Stock Shares Issued					480,000	480,000
Series B Preferred Stock [Member] | Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Preferred Stock Shares Issued	480,000	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
Threshold to determine shares issuable per warrant, value			$ 700
Threshold to determine shares issuable per warrant, shares			28,000
Minimum [Member] | Series B Preferred Stock [Member] | Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Warrant number of common stock shares purchased			2.00
Maximum [Member] | Series B Preferred Stock [Member] | Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Warrant number of common stock shares purchased			3.25