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Goodwill and Intangible Assets Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Intangible Amortization Expense, Next Twelve Months $ 1,200  
Intangible Amortization Expense, Year Two 1,200  
Intangible Amortization Expense, Year Three 1,200  
Intangible Amortization Expense, Year Four 1,200  
Intangible Amortization Expense, Year Five 1,200  
Customer relationships, Accumulated amortization (3,553) $ (2,399)
Intangible assets [Abstract]    
Intangible Assets, Gross (Excluding Goodwill) 21,350 19,250
Intangible Assets, Net (Excluding Goodwill) 17,797 16,851
Trade names and trademarks    
Indefinite-lived Intangible Assets [Line Items]    
Trade names and trademarks, Gross carrying amount $ 8,900 8,900
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 10 years  
Finite-Lived Intangible Assets, Gross $ 12,450 10,350
Customer relationships, Accumulated amortization (3,553) (2,399)
Finite-Lived Intangible Assets, Net $ 8,897 $ 7,951