Pension and Other Postretirement Benefit Plans (Textual) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Percentage of total contributions made by employees	45.00%
Pension asset	$ 10,568,000	$ 6,939,000
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	722,000	732,000	778,000
Pension asset	10,568,000	6,939,000
Accumulated benefit obligation	30,800,000	28,100,000
Estimated future employer contributions in 2014	$ 704,000