Related Party Transactions (Details) - Polsinelli - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Related Party Transaction [Line Items]
Legal services obtained	$ 1.6	$ 1.5
Accounts payable for legal services	$ 1.0		$ 1.0

Amount for accounts payable to related parties.

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