Other Liabilities (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Other Liabilities [Abstract]
Accrued pension costs	$ 7,207,000		$ 7,207,000		$ 6,976,000
Interest cost	66,000	87,000	231,000	264,000
Amortized prior service cost	$ 166,000	$ 76,000	$ 496,000	$ 228,000