Loans and Allowance for Credit Losses on Loans - Modified Financing Receivable (Details) $ in Thousands	3 Months Ended
Mar. 31, 2024 USD ($)
Financing Receivable, Modifications
% of Total Class of Financing Receivable	0.06%
Principal Forgiveness
Financing Receivable, Modifications
Amortized cost	$ 0
Payment Delay
Financing Receivable, Modifications
Amortized cost	2,334
Term Extension
Financing Receivable, Modifications
Amortized cost	0
Interest Rate Adjustment
Financing Receivable, Modifications
Amortized cost	0
Combination Term Extension & Principal Forgiveness
Financing Receivable, Modifications
Amortized cost	0
Combination Term Extension & Interest Rate Reduction
Financing Receivable, Modifications
Amortized cost	$ 0
Commercial Real Estate \| Commercial Real Estate Loan, Non-Owner Occupied
Financing Receivable, Modifications
% of Total Class of Financing Receivable	0.18%
Commercial Real Estate \| Commercial Real Estate Loan, Non-Owner Occupied \| Principal Forgiveness
Financing Receivable, Modifications
Amortized cost	$ 0
Commercial Real Estate \| Commercial Real Estate Loan, Non-Owner Occupied \| Payment Delay
Financing Receivable, Modifications
Amortized cost	956
Commercial Real Estate \| Commercial Real Estate Loan, Non-Owner Occupied \| Term Extension
Financing Receivable, Modifications
Amortized cost	0
Commercial Real Estate \| Commercial Real Estate Loan, Non-Owner Occupied \| Interest Rate Adjustment
Financing Receivable, Modifications
Amortized cost	0
Commercial Real Estate \| Commercial Real Estate Loan, Non-Owner Occupied \| Combination Term Extension & Principal Forgiveness
Financing Receivable, Modifications
Amortized cost	0
Commercial Real Estate \| Commercial Real Estate Loan, Non-Owner Occupied \| Combination Term Extension & Interest Rate Reduction
Financing Receivable, Modifications
Amortized cost	$ 0
Commercial \| Commercial and Industrial Loan
Financing Receivable, Modifications
% of Total Class of Financing Receivable	0.57%
Commercial \| Commercial and Industrial Loan \| Principal Forgiveness
Financing Receivable, Modifications
Amortized cost	$ 0
Commercial \| Commercial and Industrial Loan \| Payment Delay
Financing Receivable, Modifications
Amortized cost	1,378
Commercial \| Commercial and Industrial Loan \| Term Extension
Financing Receivable, Modifications
Amortized cost	0
Commercial \| Commercial and Industrial Loan \| Interest Rate Adjustment
Financing Receivable, Modifications
Amortized cost	0
Commercial \| Commercial and Industrial Loan \| Combination Term Extension & Principal Forgiveness
Financing Receivable, Modifications
Amortized cost	0
Commercial \| Commercial and Industrial Loan \| Combination Term Extension & Interest Rate Reduction
Financing Receivable, Modifications
Amortized cost	$ 0

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

+ Details

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

- 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
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

+ Details

Name:	us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_PrincipalForgivenessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndPrincipalForgivenessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndInterestRateReductionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=htbi_CommercialRealEstateLoanNonOwnerOccupiedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=htbi_CommercialandIndustrialLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: