Change in Net Deferred Tax Asset (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Change In Net Deferred Tax Asset (Liability) [Rollforward]
Deferred Tax Assets (Liabilities), Net	$ 5,393	$ 1,244	$ 2,425
Deferred Tax (Expense) Benefit Related To Continuing Operations	(786)	(1,537)	(624)
Deferred Taxes, Stockholders' Equity For Change In Accumulated Other Comprehensive (Income) Loss	(4,088)	5,686	(557)
Deferred Tax Assets (Liabilities), Net	$ 519	$ 5,393	$ 1,244