Loans and Allowance for Credit Losses on Loans - Schedule of Past Due Loans Still Accruing and Nonaccruing Interest (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	$ 32,577	$ 27,667
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	7,653
Interest Income Recognized	1,187
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	11,899	12,069
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	6,642
Interest Income Recognized	709
Commercial Real Estate \| Commercial Real Estate Loan, Owner Occupied
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	7,189	8,471
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	2,894
Interest Income Recognized	438
Commercial Real Estate \| Commercial Real Estate Loan, Non-Owner Occupied
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	4,710	3,551
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	3,748
Interest Income Recognized	270
Commercial Real Estate \| Multifamily Loan
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	0	47
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0
Interest Income Recognized	1
Commercial
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	11,702	8,153
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	1,011
Interest Income Recognized	303
Commercial \| Commercial and Industrial Loan
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	6,105	3,487
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	239
Interest Income Recognized	126
Commercial \| Equipment Finance
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	5,597	4,666
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	772
Interest Income Recognized	177
Residential
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	8,606	7,038
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0
Interest Income Recognized	152
Residential \| Construction Loans
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	410	132
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0
Interest Income Recognized	21
Residential \| One-To-Four Family Loan
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	2,336	2,916
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0
Interest Income Recognized	77
Residential \| HELOC's Loan
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	5,860	3,990
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0
Interest Income Recognized	54
Consumer Portfolio
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Excluding Accrued Interest, Nonaccrual	370	$ 407
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0
Interest Income Recognized	$ 23

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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

+ Details

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

- Definition

Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterest90DaysOrMorePastDueStillAccruing
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of interest income on financing receivable on nonaccrual status.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

Name:	us-gaap_FinancingReceivableNonaccrualInterestIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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