CONDENSED CONSOLIDATED STATEMENTS OF CAPITAL STOCK AND LONG-TERM DEBT (Parenthetical) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Common Stock, Par Value
Common Stock, Shares Authorized	40,000	40,000
Common Stock, Shares Outstanding	15,752	15,682
Preferred Stock, Par Value
Cumulative Preferred Stock
Preferred Stock, Par Value
Preferred Stock, Shares Authorized	134	134
Preferred Stock, Shares Outstanding	32	32
Convertible Preferred Stock $7.00 Series
Preferred Stock, Par Value
Preferred Stock, Shares Outstanding	14	14
Convertible Preferred Stock $8.00 Series
Preferred Stock, Par Value
Preferred Stock, Shares Outstanding	7	7
Nonredeemable Preferred Stock $7.00 Series
Preferred Stock, Par Value
Preferred Stock, Shares Outstanding	1	1
Nonredeemable Preferred Stock $4.75 Series
Preferred Stock, Par Value
Preferred Stock, Shares Outstanding	10	10