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Servicing Assets (Servicing Asset at Amortized Cost) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Transfers and Servicing [Abstract]    
Balance at beginning of period $ 24,710 $ 26,457
Servicing Asset at Amortized Cost, Additions 6,157 5,492
Amortization (7,735) (7,239)
Balance at end of period 23,132 24,710
SBA Servicing Asset At Amortized Cost 18,700 22,200
Mortgage Servicing Asset At Amortized Cost $ 4,400 $ 2,500