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Loans Held for Sale Schedule of Changes in Valuation Allowance (Details) - Valuation Allowance for Loans Held for Sale [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Beginning balance $ 10,064 $ 14,658
Provision 364 2,597
Transfer from liability for indemnification obligations 255 1,030
Sales of loans (5,045) 0
Other (3) (292)
Ending balance $ 5,635 $ 17,993