Income Taxes (Details Textual) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax [Line Items]
Effective Income Tax Rate, Continuing Operations		38.30%	36.60%	37.10%
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 1,602,000	$ 0	$ 1,602,000	$ 891,000
Liability For Uncertain Tax Positions Current Reduction	1,418,000			800,000
Accrued Interest And Penalties Reduction	184,000			91,000
Effective Income Tax Rate Excluding Impact Of Income Tax Benefits Percentage			41.10%	40.20%
Unrecognized Tax Benefits, Interest on Income Taxes Expense		0	(160,000)	(6,000)
Deferred Tax Assets, Operating Loss Carryforwards, Foreign		886,000
Real Estate Owned, Valuation Allowance, Amounts Applied		584,000
Undistributed Earnings of Foreign Subsidiaries		$ 27,890,000
Us Federal Income Tax [Member]
Income Tax [Line Items]
Effective Income Tax Rate, Continuing Operations		35.00%