Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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

Subsequent Events (Details) - position	1 Months Ended		3 Months Ended
Subsequent Events (Details) - position	Apr. 30, 2020	Mar. 31, 2020	Mar. 31, 2020
Low Oil Prices And The Coronavirus (COVID-19) [Member]
Subsequent Event [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated		277	277
Subsequent event
Subsequent Event [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	212