Shareholders’ Equity (Details)		3 Months Ended		6 Months Ended
	Feb. 20, 2014	Mar. 31, 2016 USD ($) $ / shares shares	Jun. 30, 2014 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) Vote $ / 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
Share price (in dollars per share) | $ / shares		$ 1,450.00	$ 1,207.11
Preferred stock, shares outstanding (in shares) | shares				14,856	18,856
Shares allocated for repurchase (in shares) | shares		4,000	11,551	4,000
Dividends in arrears eliminated | $		$ 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 | $				$ 8,100,000
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
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