Hercules Capital, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Related Party Transactions - Schedule of Related Party Transactions (Details)

Related Party Transactions - Schedule of Related Party Transactions (Details) - Adviser Funds - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Related Party Transaction [Line Items]
Investment commitments assigned to or directly committed by the Adviser Funds	$ 437.6	$ 337.4
Investment fundings assigned to, directly originated or funded by the Adviser Funds	275.8	230.1
Amounts received by the Company from the Adviser Funds relating to assigned investments	$ 0.0	$ 6.0

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details