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Debt (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Aug. 20, 2020
Dec. 31, 2019
Debt Instrument [Line Items]      
Long-term Debt, Gross   $ 175,000  
Debt Instrument, Interest Rate, Stated Percentage   4.50%  
Debt Instrument, Basis Spread on Variable Rate 4.39%    
Debt Issuance Costs, Gross   $ 2,400  
Long-term debt $ 135,000   $ 192,500
Subordinated Debt [Member]      
Debt Instrument [Line Items]      
Long-term debt $ 172,700