CONDESNED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Mar. 31, 2014	Dec. 31, 2013
Redeemable preferred stock, par value (in dollars per share)	$ 0.60	$ 0.60
Redeemable preferred stock, authorized	200,000	200,000
Redeemable preferred stock, issued	37,408	37,408
Redeemable preferred stock, outstanding	37,408	37,408
Class A common stock [Member]
Common stock, par value (in dollars per share)	$ 0.60	$ 0.60
Common stock, authorized	24,655,000	24,655,000
Common stock, issued	14,698,499	14,686,197
Common stock, outstanding	14,698,499	14,686,197
Class B common stock [Member]
Common stock, par value (in dollars per share)	$ 0.60	$ 0.60
Common stock, authorized	145,000	145,000
Common stock, issued	0	0
Common stock, outstanding	0	0