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Note 14. Commitments And Contingencies Escrow and Trust Deposits (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Loss Contingencies [Line Items]    
Escrow and trust deposits $ 308,000 $ 251,000
Maximum [Member]    
Loss Contingencies [Line Items]    
Cash, FDIC Insured Amount $ 250