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Fair Value Fair Value (Aggregate Fair Value, Contractual Balance and Gain and Loss of Loans Held-for-Sale) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Fair Value Disclosures [Abstract]    
Loans Held-for-Sale, at Fair Value $ 17,713 $ 4,263
Contractual Balance 17,378 4,231
Gain (Loss) $ 335 $ 32