XML 23 R4.htm IDEA: XBRL DOCUMENT
v3.25.1

N-2 - $ / shares |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 08, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2024
Cover [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entity Central Index Key |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0001280784
Amendment Flag |  |  |  |  |  |  |  |  |  |  |  |  |  |  | false
Document Type |  |  |  |  |  |  |  |  |  |  |  |  |  |  | PRE 14A
Entity Registrant Name |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Hercules Capital, Inc.
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Price [Table Text Block] |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Table 3.3 (Trading History of the Shares)
|  |  | Price Range |  |  |  |
| NAV(1) |  | High |  | Low |  | High Sales Price Premium (Discount) to NAV(2) |  | Low Sales Price Premium (Discount) to NAV(2)
2022 |  |  |  |  |  |  |  |  |
First quarter | $ | 10.82 |  |  | $ | 18.23 |  |  | $ | 16.65 |  |  | 68.5 | % |  | 53.0 | %
Second quarter | $ | 10.43 |  |  | $ | 18.91 |  |  | $ | 12.82 |  |  | 81.3 | % |  | 22.9 | %
Third quarter | $ | 10.47 |  |  | $ | 16.13 |  |  | $ | 11.45 |  |  | 54.1 | % |  | 9.4 | %
Fourth quarter | $ | 10.53 |  |  | $ | 14.92 |  |  | $ | 11.59 |  |  | 41.7 | % |  | 10.1 | %
2023 |  |  |  |  |  |  |  |  |
First quarter | $ | 10.82 |  |  | $ | 16.24 |  |  | $ | 11.56 |  |  | 50.1 | % |  | 6.8 | %
Second quarter | $ | 10.96 |  |  | $ | 15.08 |  |  | $ | 12.38 |  |  | 37.6 | % |  | 13.0 | %
Third quarter | $ | 10.93 |  |  | $ | 18.02 |  |  | $ | 14.86 |  |  | 64.9 | % |  | 36.0 | %
Fourth quarter | $ | 11.43 |  |  | $ | 16.93 |  |  | $ | 15.09 |  |  | 48.2 | % |  | 32.1 | %
2024 |  |  |  |  |  |  |  |  |
First quarter | $ | 11.63 |  |  | $ | 18.77 |  |  | $ | 16.67 |  |  | 61.4 | % |  | 43.3 | %
Second quarter | $ | 11.43 |  |  | $ | 19.92 |  |  | $ | 17.07 |  |  | 74.3 | % |  | 49.3 | %
Third quarter | $ | 11.40 |  |  | $ | 21.67 |  |  | $ | 17.71 |  |  | 90.1 | % |  | 55.4 | %
Fourth quarter | $ | 11.66 |  |  | $ | 20.22 |  |  | $ | 18.53 |  |  | 73.4 | % |  | 58.9 | %
2025 |  |  |  |  |  |  |  |  |
First quarter | $ |  | * |  | $ | 22.04 |  |  | $ | 17.93 |  |  | * |  | *
Second quarter (through April 8, 2025) | $ |  | * |  | $ | 19.37 |  |  | $ | 15.65 |  |  | * |  | *
(1)NAV is determined as of the last day in the relevant quarter and therefore may not reflect NAV on the date of the high and low closing sales prices. The NAVs shown are based on outstanding Shares at the end of the relevant quarter. (2) Calculated as the respective high or low closing sales price less NAV, divided by NAV (in each case as of the applicable quarter). *NAV has not yet been calculated for the period.
Lowest Price or Bid | $ 15.65 | $ 17.93 | $ 18.53 | $ 17.71 | $ 17.07 | $ 16.67 | $ 15.09 | $ 14.86 | $ 12.38 | $ 11.56 | $ 11.59 | $ 11.45 | $ 12.82 | $ 16.65 |
Highest Price or Bid | 19.37 | 22.04 | $ 20.22 | $ 21.67 | $ 19.92 | $ 18.77 | $ 16.93 | $ 18.02 | $ 15.08 | $ 16.24 | $ 14.92 | $ 16.13 | $ 18.91 | $ 18.23 |
Highest Price or Bid, Premium (Discount) to NAV [Percent] |  |  | 73.40% | 90.10% | 74.30% | 61.40% | 48.20% | 64.90% | 37.60% | 50.10% | 41.70% | 54.10% | 81.30% | 68.50% |
Lowest Price or Bid, Premium (Discount) to NAV [Percent] |  |  | 58.90% | 55.40% | 49.30% | 43.30% | 32.10% | 36.00% | 13.00% | 6.80% | 10.10% | 9.40% | 22.90% | 53.00% |
NAV Per Share |  |  | $ 11.66 | $ 11.40 | $ 11.43 | $ 11.63 | $ 11.43 | $ 10.93 | $ 10.96 | $ 10.82 | $ 10.53 | $ 10.47 | $ 10.43 | $ 10.82 | $ 11.66

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-2 -Section Item 8 + Details
Name: | cef_GeneralDescriptionOfRegistrantAbstract
Namespace Prefix: | cef_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-2 -Section Item 8 -Subsection 5 -Paragraph b + Details
Name: | cef_HighestPriceOrBid
Namespace Prefix: | cef_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-2 -Section Item 8 -Subsection 5 -Paragraph b -Subparagraph Instructions 4, 5 + Details
Name: | cef_HighestPriceOrBidPremiumDiscountToNavPercent
Namespace Prefix: | cef_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-2 -Section Item 8 -Subsection 5 -Paragraph b + Details
Name: | cef_LowestPriceOrBid
Namespace Prefix: | cef_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-2 -Section Item 8 -Subsection 5 -Paragraph b -Subparagraph Instructions 4, 5 + Details
Name: | cef_LowestPriceOrBidPremiumDiscountToNavPercent
Namespace Prefix: | cef_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-2 -Section Item 8 -Subsection 5 -Paragraph b -Subparagraph 4 + Details
Name: | cef_SharePriceTableTextBlock
Namespace Prefix: | cef_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Boolean flag that is true when the XBRL content amends previously-filed or accepted submission. + References No definition available. + Details
Name: | dei_AmendmentFlag
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cover page. + References No definition available. + Details
Name: | dei_CoverAbstract
Namespace Prefix: | dei_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'. + References No definition available. + Details
Name: | dei_DocumentType
Namespace Prefix: | dei_
Data Type: | dei:submissionTypeItemType
Balance Type: | na
Period Type: | duration

X
- Definition A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection b-2 + Details
Name: | dei_EntityCentralIndexKey
Namespace Prefix: | dei_
Data Type: | dei:centralIndexKeyItemType
Balance Type: | na
Period Type: | duration

X
- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection b-2 + Details
Name: | dei_EntityRegistrantName
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net asset value per share or per unit of investments in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479168/946-830-55-12 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477796/946-210-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 205 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478494/946-205-50-7 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 205 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478494/946-205-50-7 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478448/946-505-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.6-05(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-2 + Details
Name: | us-gaap_NetAssetValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant