Retirement Plans (Details) (Pension Plans, Defined Benefit [Member], USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 70,000	$ 65,000	$ 140,000	$ 130,000
Expected return on assets	(93,000)	(83,000)	(185,000)	(166,000)
Amortization of actuarial net loss	11,000	28,000	22,000	56,000
Net periodic pension (benefit) cost	(12,000)	10,000	(23,000)	20,000
Company contributions	72,000	80,000	152,000	203,000
Anticipated company contributions			$ 300,000