Credit Enhancement Asset

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Financing Receivable Allowance For Credit Losses On Off-Balance Sheet Credit

+ References

No definition available.

+ Details

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Namespace Prefix:	tbbk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Financing Receivable Impaired Interest Lost On Nonaccrual Loans.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Financing Receivable, Modifications, Post-Modification Recorded Investment

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Financing Receivable Nonaccrual Interest Income Reversed

+ References

No definition available.

+ Details

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Namespace Prefix:	tbbk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Financing Receivable, Troubled Debt Restructured Loans, Reserves

+ References

No definition available.

+ Details

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Namespace Prefix:	tbbk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.5-02(3)(c)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: 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 4: 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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Name Accounting Standards Codification
-Section S50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

+ Details

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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

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

- Definition

Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481746/310-40-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 36
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-36

+ Details

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

- Definition

Cash payments for and related to principal collection on loans related to operating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tbbk_SmallBusinessLoanMember
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- Details

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- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tbbk_RealEstateBridgeLendingMember
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Loans, net (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
Loans, net (Narrative) (Details) - USD ($)	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 7,058,310,000		$ 7,058,310,000		$ 7,100,907,000
Interest which would have been earned on loans classified as non-accrual			2,500,000	$ 1,100,000
Non-accrual loans, income	0	$ 0	0	0
Nonaccrual loans, income reversed			800,000	1,700,000
Commitments to extend additional credit	0		0
Specific reserves	300,000,000		300,000,000
Loans classified as modified	2,800,000		2,800,000
Credit enhancement asset	30,733,000		30,733,000		31,138,000
Allowance for credit losses on off-balance sheet credit	1,500,000		1,500,000		1,400,000
SBL's
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchase of loans			7,700,000	19,800,000
SBL's with Other Institutions
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	300,000	$ 4,700,000	300,000	4,700,000
SBL commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	757,154,000		757,154,000		749,234,000
Nonaccrual loans, income reversed			300,000	300,000
SBL non-real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	255,424,000		255,424,000		235,282,000
Nonaccrual loans, income reversed			100,000
Real estate bridge lending
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 2,233,688,000		2,233,688,000		$ 2,188,952,000
Nonaccrual loans, income reversed			$ 400,000	$ 1,200,000