Income Taxes (Details) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2013
Income Taxes
Effective tax rate (as a percent)	41.00%	40.50%	41.00%	40.30%
Expected annual effective tax rate (as a percent)					41.00%
Recognized benefit of discrete item adjustments		$ 27,000		$ 48,000
Income tax expense	2,032,000	2,190,000	2,806,000	3,631,000
Amount of unrecognized tax benefits which would affect our effective tax rate if recognized	0	0	0	0
Accrued interest related to uncertain tax positions	0	0	0	0
Accrued penalties related to uncertain tax positions	$ 0	$ 0	$ 0	$ 0

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

This element represents the amount of statutory penalties accrued as of the date of the statement of financial position for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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- Definition

This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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