Income Taxes (Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits, beginning balance	$ 724us-gaap_UnrecognizedTaxBenefits	$ 2,197us-gaap_UnrecognizedTaxBenefits	$ 2,649us-gaap_UnrecognizedTaxBenefits
Additions based on tax positions related to the current year	0	0	0
Additions based on tax positions related to the prior years	0	0	333
Decreases based on payments made during the year	0	(932)
Decreases based on tax positions related to the prior years	(47)	(541)	(785)
Unrecognized tax benefits, ending balance	677us-gaap_UnrecognizedTaxBenefits	724us-gaap_UnrecognizedTaxBenefits	2,197us-gaap_UnrecognizedTaxBenefits
Reconciliation of Unrecognized Tax Benefits, Accrued Interest [Roll Forward]
Accrued interest, beginning balance	260	1,460	2,218
Additions based on tax positions related to the current year	0	0	0
Additions based on tax positions related to the prior years	33	119	456
Decreases based on payments made during the year	0	(385)
Decreases based on tax positions related to the prior years	(73)	(934)	(1,214)
Accrued interest, ending balance	$ 220	$ 260	$ 1,460

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Unrecognized Tax Benefits, Accrued Interest, Decrease Resulting from Current Year Payments

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Unrecognized Tax Benefits, Accrued Interest, Decrease Resulting from Prior Year Tax Positions

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Unrecognized Tax Benefits, Accrued Interest, Increase Resulting from Current Year Tax Positions

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Unrecognized Tax Benefits, Accrued Interest, Increase Resulting from Prior Year Tax Positions

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Unrecognized Tax Benefits, Decrease Resulting from Current Year Payments

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of interest expense accrued for an underpayment of income taxes.

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