CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)	3 Months Ended
	Mar. 31, 2013
Stockholders' Equity:
9.50% Series A Cumulative Perpetual Preferred Stock, par value (in dollars per share)	$ 1.00
9.50% Series A Cumulative Perpetual Preferred Stock, coupon rate (in hundredths)	9.50%
9.50% Series A Cumulative Perpetual Preferred Stock, shares authorized (in shares)	287,500
9.50% Series A Cumulative Perpetual Preferred Stock, shares issued (in shares)	250,000
9.50% Series A Cumulative Perpetual Preferred Stock, shares outstanding (in shares)	250,000
Common Stock, par value (in dollars per share)	$ 1.00
Common Stock, shares authorized (in shares)	20,000,000
Common Stock, shares issued (in shares)	7,225,945
Common Stock, shares outstanding (in shares)	7,225,945
Treasury Stock, (in shares)	1,388,066