Pension and Other Postretirement Benefit Plans (Textual) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Percentage of total contributions made by employees	45.00%
Pension asset	$ 5,849,000	$ 7,362,000
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	640,000	720,000	$ 722,000
Pension asset	5,849,000	7,362,000
Accumulated benefit obligation	31,300,000	$ 31,300,000
Estimated future employer contributions in 2015	$ 550,000