Derivative Financial Instruments - Schedule of Derivative Instruments in Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Derivative [Line Items]
Notional Amount	$ 3,266,484	$ 3,523,250
Asset Derivative
Gross derivatives	6,537	6,389
Offsetting derivative assets	(23,519)	(28,239)
Liability Derivative
Gross derivatives	33,388	40,122
Offsetting derivative liabilities	(23,519)	(28,239)
Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	1,550,000	1,800,000
Asset Derivative
Gross derivatives	8,272	7,786
Liability Derivative
Gross derivatives	35,426	41,893
Not Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	1,716,484	1,723,250
Asset Derivative
Gross derivatives	21,784	26,842
Liability Derivative
Gross derivatives	21,481	26,468
Interest rate swap on money market deposit account payments \| Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	0	250,000
Asset Derivative
Gross derivatives	0	2,361
Liability Derivative
Gross derivatives	0	0
Interest rate swaps on variable rate funding sources \| Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	275,000	275,000
Asset Derivative
Gross derivatives	129	201
Liability Derivative
Gross derivatives	2,423	1,821
Interest rate swaps on customer loan interest payments \| Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	375,000	375,000
Asset Derivative
Gross derivatives	0	0
Liability Derivative
Gross derivatives	32,676	39,517
Interest rate collars on customer loan interest payments \| Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	700,000	700,000
Asset Derivative
Gross derivatives	6,509	3,780
Liability Derivative
Gross derivatives	327	555
Interest rate floor on customer loan interest payments \| Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	200,000	200,000
Asset Derivative
Gross derivatives	1,634	1,444
Liability Derivative
Gross derivatives	0	0
Interest rate swaps \| Not Designated as Hedging Instrument \| Financial institution counterparty:
Derivative [Line Items]
Notional Amount	852,742	857,625
Asset Derivative
Gross derivatives	18,096	25,328
Liability Derivative
Gross derivatives	3,965	1,651
Interest rate swaps \| Not Designated as Hedging Instrument \| Commercial customer counterparty:
Derivative [Line Items]
Notional Amount	852,742	857,625
Asset Derivative
Gross derivatives	3,688	1,514
Liability Derivative
Gross derivatives	17,516	24,817
Interest rate caps and collars \| Not Designated as Hedging Instrument \| Financial institution counterparty:
Derivative [Line Items]
Notional Amount	5,500	4,000
Asset Derivative
Gross derivatives	0	0
Liability Derivative
Gross derivatives	0	0
Interest rate caps and collars \| Not Designated as Hedging Instrument \| Commercial customer counterparty:
Derivative [Line Items]
Notional Amount	5,500	4,000
Asset Derivative
Gross derivatives	0	0
Liability Derivative
Gross derivatives	$ 0	$ 0

No definition available.

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

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4B
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-22

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483466/210-20-50-3

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-7

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-SubTopic 20
-Topic 860
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4D

+ Details

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

- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

+ Details

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

- References

No definition available.

+ Details

Name:	us-gaap_DerivativeLiabilityFairValueNetAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

+ Details

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

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

+ Details

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Derivative Asset (Liability), Fair Value, Amount Offset Against Collateral

+ References

No definition available.

+ Details

Name:	vbtx_DerivativeAssetLiabilityFairValueAmountOffsetAgainstCollateral
Namespace Prefix:	vbtx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vbtx_InterestRateSwap1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vbtx_InterestRateSwaps3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vbtx_InterestRateSwap2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vbtx_InterestRateCollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateFloorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=vbtx_FinancialInstitutionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=vbtx_CommercialCustomerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vbtx_InterestRateCapAndCollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: