Redeemable Preferred Stock (Details) (USD $)	12 Months Ended	30 Months Ended						0 Months Ended	3 Months Ended			3 Months Ended			3 Months Ended			12 Months Ended
	Dec. 31, 1998	Jun. 30, 1995 Tranche	Mar. 31, 2014	Dec. 31, 2013	Jun. 11, 2013	Dec. 31, 2012	Mar. 31, 2014 Porter [Member]	Jun. 11, 2013 Senior Redeemable Preferred Stock [Member]	Mar. 31, 2014 Senior Redeemable Preferred Stock [Member]	Mar. 31, 2013 Senior Redeemable Preferred Stock [Member]	Dec. 31, 2013 Senior Redeemable Preferred Stock [Member]	Mar. 31, 2014 Senior Redeemable Preferred Stock [Member] Toxford [Member]	Dec. 31, 2013 Senior Redeemable Preferred Stock [Member] Porter [Member]	Dec. 31, 2013 Senior Redeemable Preferred Stock [Member] Porter And Toxford [Member]	Mar. 31, 2014 Public Preferred Stock [Member]	Mar. 31, 2013 Public Preferred Stock [Member]	Jun. 30, 2006 Public Preferred Stock [Member]	Dec. 31, 2013 Public Preferred Stock [Member]	Dec. 31, 1998 Public Preferred Stock [Member]	Dec. 31, 1991 Public Preferred Stock [Member]	Jun. 30, 1995 Public Preferred Stock [Member]	Dec. 31, 1990 Public Preferred Stock [Member]	Mar. 31, 2014 Series A-1 Preferred Stock [Member]	Mar. 31, 2014 Series A-1 Preferred Stock [Member] Senior Redeemable Preferred Stock [Member]	Jun. 14, 2013 Series A-1 Preferred Stock [Member] Senior Redeemable Preferred Stock [Member]	Mar. 31, 2014 Series A-1 Preferred Stock [Member] Senior Redeemable Preferred Stock [Member] Porter And Toxford [Member]	Mar. 31, 2014 Series A-2 Preferred Stock [Member]	Mar. 31, 2014 Series A-2 Preferred Stock [Member] Porter And Toxford [Member]	Mar. 31, 2014 Series A-2 Preferred Stock [Member] Senior Redeemable Preferred Stock [Member]	Sep. 30, 2013 Series A-2 Preferred Stock [Member] Senior Redeemable Preferred Stock [Member]	Jun. 14, 2013 Series A-2 Preferred Stock [Member] Senior Redeemable Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock authorized (in shares)															6,000,000								1,250				1,750
Preferred stock par value (in dollar per share)															$ 0.01								$ 0.01				$ 0.01
Preferred stock dividend rate per annum (in hundredths)									14.125%						12.00%			12.00%		6.00%
Dividends Payable						$ 84,400,000									$ 85,400,000
Carrying value of redeemable preferred stock			117,200,000	116,300,000				2,200,000
Preferred stock issued and outstanding (in shares)															3,185,586			3,185,586				2,858,723	197	197	197		276			276	276
Senior Redeemable Preferred Stock [Abstract]
Redeemable preferred stock liquidation value (in dollar per share)																								$ 1,000					$ 1,000
Percentage of redeemable preferred stock redeemed (in hundredths)								54.50%
Senior redeemable preferred stock maturity date												Feb. 28, 2016
Maximum redemption of redeemable preferred stock					2,000,000
Redemption amount of senior redeemable preferred stock								2,000,000
Gain on redemption of senior preferred stock								200,000
Percentage of discount on redemption of redeemable preferred stock (in hundredths)								10.00%
Common stock held by related parties (in hundredths)							39.30%
Related party preferred stock held after redemption (in shares)																										163		228
Percentage of redeemable preferred stock held by related party after redemption (in hundredths)												76.40%	6.30%	82.70%
Undeclared unpaid dividends											1,400,000
Accrued dividends reported as interest expenses									16,000	36,000					1,000,000
12% Cumulative Exchangeable Redeemable Preferred Stock [Abstract]
Adjusted accrued accretion of public preferred stock																	1,500,000
Number of shares declared as dividend (in shares)																				736,863
Number of annual tranches during the period		5
Period during which redeemable preferred stock not callable															12 months
Preferred stock dividend rate per annum (in dollars per share)																		$ 1.20		$ 0.6
Preferred stock, liquidation preference (in dollars per share)															$ 10
Dividends on preferred stock															1,000,000	1,000,000
Accrued paid-in kind dividends																					4,000,000
Accrued paid-in cash dividends																					15,100,000
Redemption of public preferred stock (in shares)	410,000
Reduced amount of Paid in kind dividends due to redemption of public preferred stock																			3,500,000
Adjusted amount of accrued cash dividends due to redemption of public preferred stock																	9,900,000
Revised accrued dividends to reflect change from Pik dividends to cash dividends																	$ 13,400,000