Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Amounts of tax benefits that would affect effective tax rate if recognized	$ 912,000	$ 861,000
Income tax accrued interest	$ 63,000	$ 54,000
Income tax penalties accrued
Unrecognized tax benefits	$ 1,261,000	$ 1,194,000
Statute of limitations	$ 374,000