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Income Taxes Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefit at beginning of year	$ 7,747	$ 7,617	$ 7,396
Reductions based on tax positions related to the prior year	(93)	(259)	0
Additions based on tax positions related to the current year	209	389	253
Reductions as a result of a lapse of the applicable statute of limitations	(31)	0	(32)
Unrecognized tax benefit at end of year	$ 7,832	$ 7,747	$ 7,617

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

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-Name Accounting Standards Codification

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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 decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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