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Income Taxes (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2010
Income Tax Disclosure [Abstract]        
Equity method investment ownership percentage acquired       21.10%
Deferred tax liability, built-in gain $ 197,000 $ 0    
Additional tax expense 10,318,000 (75,000) $ 74,000  
Increase (decrease) in valuation allowance 5,047,000 619,000    
Valuation allowance 5,666,000 $ 619,000 $ 0  
Increase (decrease) in unrecognized tax benefits 0      
Income tax penalties and interest accrued $ 0