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Other Assets - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]      
Commitments to invest, amortization expense $ 2,700 $ 2,300 $ 2,900
Remaining commitment to invest in low income housing partnership $ 1,214    
Pacific Wealth Advisors Llc      
Schedule of Equity Method Investments [Line Items]      
Equity interest percentage 24.00%    
HomeState Mortgage LLC      
Schedule of Equity Method Investments [Line Items]      
Equity interest percentage 30.00%