Financial Highlights - Schedule of Financial Highlights (Parenthetical) (Details)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
GACP II LP and WhiteHawk III Onshore Fund LP
Investment Company Financial Highlights [Line Items]
Ratio of total expenses to average net assets	9.04%	7.83%	5.37%	6.58%	7.36%

Percentage of voluntary fee waiver to average net assets.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 20
-Section 50
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=66023616&loc=d3e9046-115832

Name:	us-gaap_InvestmentCompanyExpenseRatioVoluntaryFeeWaiver
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration