(Narratives)(Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]
U.S. federal statutory tax rate	35.00%	35.00%	35.00%
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ 1,500,000	$ 900,000
Accumulated net earning	146,199,000	61,687,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1,300,000	300,000	200,000
Gross deferred tax assets	27,900,000	17,700,000
Gross deferred tax liabilities	58,800,000	30,500,000
Uncertain tax positions	1,439,000	376,000	251,000	358,000
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	0
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	6,900,000
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	6,000,000
Accumulated net earning	$ 17,800,000