Income Taxes (Unrecognized Tax Benefits Roll Forward) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Balance at beginning of period	$ 751	$ 1,198
Additions for tax positions related to the current year	241	104
Additions for tax positions related to prior years	67	31
Reductions for tax positions due to settlement with taxing authorities	0	0
Reductions for tax positions related to prior years	(286)	(582)
Balance at end of period	$ 773	$ 751

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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