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Goodwill and Other Intangbiles - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill $ 191,892 $ 85,231  
Amortization of intangible assets 4,695 $ 2,400 $ 1,799
Amortization, 2020 11,464    
Amortization, 2021 11,464    
Amortization, 2022 11,272    
Amortization, 2023 11,208    
Amortization, 2024 $ 10,897