Consolidated Balance Sheets (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Stockholders' Equity:
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 outstanding (in shares)	7,301,657	7,248,350
Treasury Stock, (in shares)	1,388,078	1,388,066
9.50% Series A Preferred Stock [Member]
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%	9.50%
Cumulative Perpetual Preferred Stock, shares authorized (in shares)	650,000	650,000
Cumulative Perpetual Preferred Stock, shares issued (in shares)	250,000	250,000
Cumulative Perpetual Preferred Stock, shares outstanding (in shares)	250,000	250,000
9.00% Series B Preferred Stock [Member]
Stockholders' Equity:
Cumulative Perpetual Preferred Stock, par value (in dollars per share)	$ 1.00	$ 1.00
Cumulative Perpetual Preferred Stock, coupon rate (in hundredths)	9.00%	9.00%
Cumulative Perpetual Preferred Stock, shares authorized (in shares)	350,000	350,000
Cumulative Perpetual Preferred Stock, shares issued (in shares)	316,250	316,250
Cumulative Perpetual Preferred Stock, shares outstanding (in shares)	316,250	316,250