Income Taxes (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Effective income tax rate, continuing operations	25.80%	25.00%
Gross unrecognized tax benefits, net of interest and penalties	$ 800,000		$ 1,300,000
Tax benefit recognized due to expiration of statute of limitations	500,000
Income tax expense (benefit), intraperiod tax allocation	(600,000)	0
Total income tax payments, net of refunds	2,728,000	2,269,000
Less: credits or offsets	912,000	385,000
Cash paid, net	$ 1,816,000	$ 1,884,000