Commitments and Contingencies (Maturities of Operating Leases) (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Operating Leases, After Adoption of 842    
Remainder of 2020 $ 4,608  
2021 5,560  
2022 4,833  
2023 3,907  
2024 2,547  
2025 1,515  
Thereafter 4,675  
Total 27,645  
Less imputed interest (2,856)  
Operating lease liabilities $ 24,789 $ 24,876