XML 83 R64.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Debt - Schedule of Weighted Average Interest Rates, Cost of Debt and Debt Outstanding (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |
Weighted average interest cost | 4.50% | 4.20% |  |  |  |  |  |  |  |
Weighted average cost of debt | 5.00% | 4.80% |  |  |  |  |  |  |  |
Weighted average debt outstanding | $ 1,709,469 | $ 1,607,278 | $ 1,468,335 | $ 1,248,177 | $ 1,309,903 | $ 1,177,379 | $ 826,931 | $ 784,455 | $ 635,365 | $ 615,198

X
- Definition Debt, Weighted Average Cost Of Debt, Percentage + References No definition available. + Details
Name: | htgc_DebtWeightedAverageCostOfDebtPercentage
Namespace Prefix: | htgc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Average amount outstanding of long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph a -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph b -Subparagraph (1) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 + Details
Name: | us-gaap_LongTermDebtAverageAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration