Business and Summary of Significant Accounting Policies - Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	$ 42,847	$ 8,504	$ 10,100
Operating lease liabilities	$ 45,872		12,300
Deposit			500
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Construction in progress			2,300
Financing obligation			$ 1,800