Subsequent Events (Details) - Interest Rate Swap - New Ultraco Debt Facility - USD ($) $ in Millions	Apr. 15, 2020	Mar. 31, 2020
Subsequent Event [Line Items]
Interest Rate Swap detail		0.64%
Subsequent Event
Subsequent Event [Line Items]
Portion of debt	$ 38
Interest Rate Swap detail	0.58%

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.

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration