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Income Taxes (Schedule of Current Taxes Payable and Deferred) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Abstract]
Taxes payable	$ 10,636	$ 3,365
Deferred income taxes	2,916	5,401
Total current taxes payable and deferred	$ 13,552	$ 8,766

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed within one year or operating cycle, if longer.

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