CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified			9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 9.50% Series A Preferred Stock [Member]	Sep. 30, 2013 9.00% Series B Preferred Stock [Member]
Other Assets:
Deferred Charges, Accumulated Amortization	$ 17,262	$ 15,821
Stockholders' Equity:
Cumulative Perpetual Preferred Stock, par value (in dollars per share)			$ 1.00	$ 1.00
Cumulative Perpetual Preferred Stock, coupon rate (in hundredths)			9.50%	9.00%
Cumulative Perpetual Preferred Stock, shares authorized (in shares)			650,000	350,000
Cumulative Perpetual Preferred Stock, shares issued (in shares)			250,000	316,250
Cumulative Perpetual Preferred Stock, shares outstanding (in shares)			250,000	316,250
Common Stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common Stock, shares authorized (in shares)	20,000,000	20,000,000
Common Stock, shares issued (in shares)	7,248,350	7,203,935
Common Stock, shares outstanding (in shares)	7,248,350	7,203,935
Treasury Stock, (in shares)	1,388,066	1,388,066