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Goodwill and Other Intangible Assets - Schedule of Servicing Asset at Amortized Cost (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
Balance at beginning of year $ 2,495 $ 2,811
Additions 97 122
Amortization (208) (211)
Balance at end of year $ 2,384 $ 2,722