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Represents information pertaining to weighted average remaining life.

No definition available.

Name:	hth_DebtWeightedAverageRemainingLife
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Represents the information about number of commercial paper programs initiated.

No definition available.

Name:	hth_NumberOfCommercialPaperPrograms
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Number of unaffiliated banks entered into credit arrangements.

No definition available.

Name:	hth_NumberOfUnaffiliatedBanksWithCreditArrangements
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Amount of assets pledged to secure a debt instrument.

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The average effective interest rate during the reporting period.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Weighted average interest rate of debt outstanding.

No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Balance Type:	credit
Period Type:	instant

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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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.

No definition available.

Name:	us-gaap_ShortTermDebtLineItems
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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

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Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_FederalHomeLoanBankAdvancesMember
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Name:	srt_RangeAxis=srt_MaximumMember
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Name:	us-gaap_ShortTermDebtTypeAxis=hth_ShortTermBankLoansMember
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Data Type:	na
Balance Type:
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Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_CommercialPaperMember
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Name:	srt_RangeAxis=srt_MinimumMember
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Name:	dei_LegalEntityAxis=hth_HilltopSecuritiesMember
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