Subsequent Event (Details) - Subsequent Event [Member] - USD ($) $ in Thousands	Apr. 13, 2020	Apr. 09, 2020
Subsequent Event [Line Items]
Refund liability, percentage		15.00%
Refund liability		$ 70,000
Term of refund liability	120 days

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