Components of Net Periodic Pension Cost (Details) - Schedule of net benefit costs (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Schedule of net benefit costs [Abstract]
Interest cost	$ 138	$ 144
Expected return on plan assets	(137)	(149)
Net amortization	108	56
Recognized settlement loss	450
Total periodic pension expense	559	51
Net actuarial gain	(742)	(1,281)
Total recognized in other comprehensive income	(742)	(1,281)
Total recognized in net periodic expense and other comprehensive income (before tax)	$ (183)	$ (1,230)