Accounts Receivable and Allowance for Credit Losses - Narrative (Details) - USD ($) $ in Millions		6 Months Ended	12 Months Ended
	Jan. 01, 2020	Jun. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201613Member
Cumulative Effect, Period of Adoption, Adjustment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Initial increase, allowance for credit losses	$ 1.1