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Interest Income - Schedule of Components of Interest Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Other Income and Expenses [Abstract]      
Loans held for sale $ 15,774 $ 16,167 $ 20,299
Automotive dealer financing notes 1,534 39 0
Interest earning cash deposits and other 1,775 2,114 2,692
Interest and Other Income $ 19,083 $ 18,320 $ 22,991