General and Summary of Significant Accounting Policies Future Estimated Amortization Expense (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 21,692
Finite-Lived Intangible Assets, Amortization Expense, Year Two	22,587
Finite-Lived Intangible Assets, Amortization Expense, Year Three	22,303
Finite-Lived Intangible Assets, Amortization Expense, Year Four	21,461
Finite-Lived Intangible Assets, Amortization Expense, Year Five	21,371
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	88,003
Finite-Lived Intangible Assets, Net	$ 197,417	$ 125,186