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Other Assets Other Assets (Investments in Limited Partnerships) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Schedule of Equity Method Investments    
Investment in limited partnerships $ 4,476,000 $ 4,176,000
Income from Equity Method Investments 1,360,000 459,000
Loss on Equity Method Investments 121,000 0
Aldine Capital Fund, LP    
Schedule of Equity Method Investments    
Investment in limited partnerships 54,000 600,000
Aldine Capital Fund II, LP    
Schedule of Equity Method Investments    
Investment in limited partnerships 3,100,000 3,400,000
Aldine Capital Fund III, LP    
Schedule of Equity Method Investments    
Investment in limited partnerships $ 1,300,000 $ 188,000