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Goodwill and Intangible Asset - Narrative (Details) - USD ($)
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Goodwill $ 2,676,000 $ 2,676,000
Changes in amount of goodwill recognized 0  
Trade name    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets not subject to amortization $ 5,500,000 $ 5,500,000