Comprehensive Income (Details 3) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Amortization of defined benefit pension items
Amortization of defined benefit pension items, Prior service cost	$ (84)	[1]
Amortization of defined benefit pension items, Actuarial losses	614	[1]
Amortization of defined benefit pension items, Total before tax	530
Amortization of defined benefit pension items, Tax benefit	(207)
Amortization of defined benefit pension items, Net of tax	$ 323

[1] These amounts were included in the computation of net periodic pension cost. See Note 6 for additional details.