Shareholders’ Equity (Details) $ / shares in Units, $ in Millions				1 Months Ended	6 Months Ended
	Jul. 01, 2014 $ / shares shares	Jun. 19, 2014 $ / shares shares	Feb. 20, 2014	Aug. 31, 2014 USD ($) shares	Jun. 30, 2015 USD ($) Vote $ / shares shares	Dec. 31, 2014 $ / shares shares	Jul. 02, 2014 USD ($)	Jun. 30, 2014 USD ($)	Feb. 28, 2014	Feb. 20, 2009 USD ($) $ / shares shares
Preferred Stock [Abstract]
Preferred stock, liquidation value (in dollars per share) | $ / shares					$ 1,000	$ 1,000
Preferred stock, shares outstanding (in shares)					18,856	18,856
Preferred stock cumulative dividend rate percentage for first five years (as a percent)			5.00%
Warrant To Purchase Class A Common Stock [Member]
Preferred Stock [Abstract]
Number of shares to be purchased by warrant (in shares)										1,104,370
Number of years for warrant issued to treasury					10 years
Warrants, exercise price (in dollars per share) | $ / shares					$ 4.13
Series A Preferred Stock [Member]
Preferred Stock [Abstract]
Preferred stock, shares issued (in shares)										30,407
Preferred stock, liquidation value (in dollars per share) | $ / shares										$ 1,000
Preferred stock cumulative dividend rate percentage beginning February 2014 (as a percent)									9.00%
Amount of approved purchase of preferred shares | $								$ 14.0
Preferred stock dividend in arrears | $					$ 7.7
Share price (in dollars per share) | $ / shares		$ 1,207.11
Preferred stock, shares outstanding (in shares)		30,407
Shares allocated for repurchase (in shares)		11,551
Dividends in arrears eliminated | $							$ 3.5
Class A - Common stock
Preferred Stock [Abstract]
Share price (in dollars per share) | $ / shares	$ 1.20
Common Stock [Abstract]
Number of vote for class of shares held | Vote					1
Common stock sold (in shares)	11,666,667			5,000,000
Proceeds from issuance of common stock | $				$ 6.0
Class B - Common stock
Common Stock [Abstract]
Number of shares received after conversion, per share					1.15
Number of vote for class of shares held | Vote					10
Scenario, Adjustment [Member] | Warrant To Purchase Class A Common Stock [Member]
Preferred Stock [Abstract]
Number of shares to be purchased by warrant (in shares)					1,368,040
Warrants, exercise price (in dollars per share) | $ / shares					$ 3.33
Capital Unit Preferred Stock And Warrant Member
Preferred Stock [Abstract]
Aggregate purchase price | $										$ 30.4