Pension Plan (Schedule of Pension Plan Expenses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Pension Plan [Abstract]
Current service cost, net of employee contributions	$ 9	$ 13	$ 20	$ 31
Interest cost on accrued benefit obligation	32	32	64	63
Expected return on plan assets	(44)	(42)	(86)	(83)
Amortization of transitional obligation	3	3	6	7
Amortization of past service costs	2	2	4	4
Amortization of net actuarial gain	8	14	17	29
Total cost of benefit	$ 10	$ 22	$ 25	$ 51