Debt - Letters of Credit (Details) - Credit Agreement $ in Thousands	Jun. 30, 2021 USD ($)
Debt Instrument [Line Items]
Letters of credit outstanding	$ 36,679
Revolving Credit Facility
Debt Instrument [Line Items]
Letters of credit outstanding	$ 3,238

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration