Income Taxes Income Tax Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Current Federal Tax Expense (Benefit)									$ 0	$ 0	$ 0
Current State and Local Tax Expense (Benefit)									241	(133)	560
Current Foreign Tax Expense (Benefit)									188	569	897
Current Income Tax Expense (Benefit)									429	436	1,457
Deferred Federal Income Tax Expense (Benefit)									0	8	2
Deferred State and Local Income Tax Expense (Benefit)									0	2	(6)
Deferred Foreign Income Tax Expense (Benefit)									28	2	(21,526)
Deferred Income Tax Expense (Benefit)									28	12	(21,530)
Income Tax Expense (Benefit), Continuing Operations	169	(46)	158	176	(48)	163	191	142	457	448	(20,073)
Current Federal Tax Expense (Benefit), Discontinued Operations									0	0	0
Current State and Local Tax Expense (Benefit), Discontinued Operations									0	0	(5)
Current Foreign Tax Expense (Benefit), Discontinued Operations									0	0	(424)
Current Income Tax Expense (Benefit), Discontinued Operations									0	0	(429)
Deferred Federal Income Tax Expense (Benefit), Discontinued Operations									0	0	0
Deferred State and Local Income Tax Expense (Benefit), Discontinued Operations									0	0	0
Deferred Foreign Income Tax Expense (Benefit), Discontinued Operations									0	0	0
Deferred Income Tax Expense (Benefit), Discontinued Operations									0	0	0
Income Tax Expense (Benefit), Discontinued Operations									0	0	(429)
Current Federal Tax Expense (Benefit), Continuing and Discontinued Operations									0	0	0
Current State and Local Tax Expense (Benefit), Continuing and Discontinued Operations									241	(133)	555
Current Foreign Tax Expense (Benefit), Continuing and Discontinued Operations									188	569	473
Current Income Tax Expense (Benefit), Continuing and Discontinued Operations									429	436	1,028
Deferred Federal Income Tax Expense (Benefit), Continuing and Discontinued Operations									0	8	2
Deferred State and Local Income Tax Expense (Benefit), Continuing and Discontinued Operations									0	2	(6)
Deferred Foreign Income Tax Expense (Benefit), Continuing and Discontinued Operations									28	2	(21,526)
Deferred Income Tax Expense (Benefit), Continuing and Discontinued Operations									28	12	(21,530)
Income Tax Expense (Benefit), Continuing and Discontinued Operations									$ 457	$ 448	$ (20,502)