LHI and ACL - Schedule of Activity in Allowance for Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Analysis of allowance for loan losses
Beginning balance	$ 111,773	$ 112,032	$ 111,745	$ 109,816	$ 109,816
Credit (benefit) loss expense	1,750	8,250	5,750	15,750
Charge-offs	(1,841)	(7,829)	(6,061)	(13,259)	(25,691)
Recoveries	580	978	828	1,124
Ending balance	112,262	113,431	112,262	113,431	111,745
Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	1,528	8,159	5,551	20,099
PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	222	91	199	(4,349)
Real estate: \| Construction and land
Analysis of allowance for loan losses
Beginning balance	19,419	19,781	15,457	21,032	21,032
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Ending balance	20,381	20,894	20,381	20,894	15,457
Real estate: \| Construction and land \| Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	962	1,113	4,924	(138)
Real estate: \| Construction and land \| PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	0	0	0	0
Real estate: \| Farmland
Analysis of allowance for loan losses
Beginning balance	100	107	97	101	101
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Ending balance	92	99	92	99	97
Real estate: \| Farmland \| Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	(8)	(8)	(5)	(2)
Real estate: \| Farmland \| PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	0	0	0	0
Real estate: \| Residential Real Estate \| Residential
Analysis of allowance for loan losses
Beginning balance	16,823	11,516	15,639	9,539	9,539
Charge-offs	0	(31)	0	(31)	(31)
Recoveries	1	0	22	1
Ending balance	18,553	9,181	18,553	9,181	15,639
Real estate: \| Residential Real Estate \| Residential \| Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	1,664	(2,310)	2,831	(332)
Real estate: \| Residential Real Estate \| Residential \| PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	65	6	61	4
Real estate: \| Residential Real Estate \| Multi-family residential
Analysis of allowance for loan losses
Beginning balance	4,954	6,339	4,849	4,882	4,882
Charge-offs	0	(198)	0	(198)	(198)
Recoveries	0	0	0	0
Ending balance	4,204	5,754	4,204	5,754	4,849
Real estate: \| Residential Real Estate \| Multi-family residential \| Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	(750)	(387)	(645)	1,070
Real estate: \| Residential Real Estate \| Multi-family residential \| PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	0	0	0	0
Real estate: \| Commercial Real Estate \| OOCRE
Analysis of allowance for loan losses
Beginning balance	17,791	9,802	17,546	10,252	10,252
Charge-offs	0	0	0	(120)	(120)
Recoveries	186	120	186	120
Ending balance	17,007	13,100	17,007	13,100	17,546
Real estate: \| Commercial Real Estate \| OOCRE \| Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	(1,127)	3,092	(871)	3,139
Real estate: \| Commercial Real Estate \| OOCRE \| PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	157	86	146	(291)
Real estate: \| Commercial Real Estate \| NOOCRE
Analysis of allowance for loan losses
Beginning balance	35,491	31,137	39,968	27,729	27,729
Charge-offs	(215)	(1,969)	(3,305)	(6,262)	(11,375)
Recoveries	0	0	0	0
Ending balance	34,779	33,363	34,779	33,363	39,968
Real estate: \| Commercial Real Estate \| NOOCRE \| Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	(497)	4,195	(1,884)	15,848
Real estate: \| Commercial Real Estate \| NOOCRE \| PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	0	0	0	(3,952)
Commercial
Analysis of allowance for loan losses
Beginning balance	16,728	32,791	17,654	35,886	35,886
Charge-offs	(1,571)	(5,601)	(2,489)	(6,547)	(13,392)
Recoveries	131	361	163	457
Ending balance	16,941	29,561	16,941	29,561	17,654
Commercial \| Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	1,653	2,011	1,621	(125)
Commercial \| PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	0	(1)	(8)	(110)
MW
Analysis of allowance for loan losses
Beginning balance	371	404	321	260	260
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending balance	212	1,275	212	1,275	321
MW \| Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	(159)	871	(109)	1,015
MW \| PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	0	0	0	0
Consumer
Analysis of allowance for loan losses
Beginning balance	96	155	214	135	135
Charge-offs	(55)	(30)	(267)	(101)	(575)
Recoveries	262	497	457	546
Ending balance	93	204	93	204	$ 214
Consumer \| Non-PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	(210)	(418)	(311)	(376)
Consumer \| PCD Loans
Analysis of allowance for loan losses
Credit (benefit) loss expense	$ 0	$ 0	$ 0	$ 0

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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

- Definition

Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. 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 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

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

- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. 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 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

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

- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. 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 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

+ Details

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

- Details

Name:	us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_SingleFamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_MultifamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=vbtx_OwnerOccupiedCommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=vbtx_NonOwnerOccupiedCommercialRealEstateMember
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_FinancingReceivablePortfolioSegmentAxis=vbtx_MortgageWarehouseMember
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: