Basis of Accounting and Consolidation Basis of Accounting and Consolidation 2 (Details)	3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2014 USD ($) shares	Jun. 30, 2015 USD ($) director dividend_period $ / shares shares	Dec. 31, 2009 USD ($) $ / shares	Jun. 28, 2012 USD ($)	May. 13, 2011 USD ($)	Mar. 02, 2011 USD ($) investors	Feb. 11, 2011 USD ($) $ / shares	Dec. 31, 2010 $ / shares
Series C Convertible Preferred Stock [Abstract]
Preferred Stock issued during period, value	$ 27,400,000	$ 27,400,000
Series B Convertible Preferred Stock [Member]
Series B Convertible Preferred Stock [Abstract]
Preferred stock issue price (in dollars per share) | $ / shares			$ 5,000
Preferred stock, revised conversion price per share (in dollars per share) | $ / shares		$ 0.00
Preferred Stock, Shares Outstanding | shares		4,926
Proceeds from Issuance of Convertible Preferred Stock			$ 24,635,000
Preferred Stock, Dividend Rate, Percentage (in hundredths)			9.00%
Convertible Preferred Stock, Shares Issued upon Conversion | shares		231.267
Conversion of Stock, Shares Issued | shares	1,139,195
Series C Convertible Preferred Stock [Abstract]
Proceeds from Issuance of Convertible Preferred Stock			$ 24,635,000
Preferred Stock, Dividend Rate, Percentage (in hundredths)			9.00%
Series C Convertible Preferred Stock [Member]
Series B Convertible Preferred Stock [Abstract]
Preferred stock issue price (in dollars per share) | $ / shares							$ 5,000
Liquidation preference per share (in dollars per share)		$ 5,000
Preferred stock, conversion price per share (in dollars per share) | $ / shares		$ 20.29
Preferred stock, redemption price per share (in dollars per share) | $ / shares		$ 5,000
Proceeds from Issuance of Convertible Preferred Stock		$ 27,500,000
Preferred Stock, Dividend Rate, Percentage (in hundredths)		8.00%
Series C Convertible Preferred Stock [Abstract]
Preferred Stock, shares subscribed, value							$ 27,500,000
Number of Investors Completing the Required Bank Regulatory Process					4	3
Preferred Stock issued during period, value				$ 8,250,000	$ 5,490,000	$ 2,750,000	$ 11,010,000
Percentage of common stock tangible book value required for the conversion of common stock (in hundredths)		115.00%
Tangible book value per share of common stock (in dollars per share) | $ / shares		$ 17.00						$ 9.38
Number of dividend periods | dividend_period		4
Number of Directors to be Elected by Holders of Preferred Stock | director		2
Percentage of the NASDAQ Bank Index required for the conversion of Series C Preferred Stock (in hundredths)		115.00%
115% of common stock tangible book value (in dollars per share) | $ / shares								$ 10.79
NASDAQ Bank Index		2,822.80						1,847.35
115% of NASDAQ Bank Index								2,124.45
Proceeds from Issuance of Convertible Preferred Stock		$ 27,500,000
Preferred Stock, Dividend Rate, Percentage (in hundredths)		8.00%