Commitments and Contingencies (Details) $ in Millions	Jan. 16, 2019 plaintiff officer	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Letter of credit issued as security for lease agreements \| $		$ 46.4	$ 26.8
Number of Company's officers \| officer	3
Number of plaintiffs \| plaintiff	2

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant