Shareholders’ Equity (Details)			3 Months Ended
	Mar. 31, 2016 USD ($) $ / shares shares	Feb. 20, 2014	Mar. 31, 2016 USD ($) Vote $ / shares shares	Jun. 30, 2014 USD ($) $ / shares shares	Dec. 31, 2015 $ / shares shares	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		$ 1,000
Share price (in dollars per share) | $ / shares	$ 1,450.00		$ 1,450.00	$ 1,207.11
Preferred stock, shares outstanding (in shares) | shares	14,856		14,856		18,856
Shares allocated for repurchase (in shares) | shares	4,000		4,000	11,551
Dividends in arrears eliminated | $	$ 225,000		$ 225,000
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) | 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) | 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 | $				$ 14,000,000
Preferred stock dividend in arrears | $			$ 7,500,000
Class A - Common stock
Common Stock [Abstract]
Number of vote for class of shares held | Vote			1
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) | shares	1,368,040		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 | $							$ 30,400,000