Fair Value - Significant Unobservable Inputs Used in Fair Value Measurements (Details)	3 Months Ended	12 Months Ended
Mar. 31, 2024 USD ($) M	Dec. 31, 2023 USD ($) M
Fair Value, Measurements, Nonrecurring
Fair value
Assets, Fair value		$ 0
Fair Value, Measurements, Nonrecurring \| Fair Value, Inputs, Level 3 [Member] \| Collateral-dependent loans
Fair value
Assets, Fair value	$ 14,623,000
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Collateral-dependent loans
Fair value
Assets, Fair value	$ 14,623,000
Servicing Asset, Valuation Technique [Extensible Enumeration]	us-gaap:CostApproachValuationTechniqueMember
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Collateral-dependent loans \| Appraisal Value \| Minimum
Fair value
Measurement input	0
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Collateral-dependent loans \| Appraisal Value \| Maximum
Fair value
Measurement input	0.50
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Visa derivative
Fair value
Liabilities, Fair value	$ (2,300,000)	$ (2,300,000)
Derivative Liability, Valuation Technique [Extensible Enumeration]	Discounted cash flow	Discounted cash flow
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Visa derivative \| Expected Conversation Rate \| Discounted cash flow \| Weighted Average
Fair value
Measurement input	0.015875	0.015875
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Visa derivative \| Expected Conversation Rate \| Discounted cash flow \| Minimum
Fair value
Measurement input	0.015289	0.015289
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Visa derivative \| Expected Conversation Rate \| Discounted cash flow \| Maximum
Fair value
Measurement input	0.015875	0.015875
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Visa derivative \| Expected Term (in months or years) \| Discounted cash flow \| Weighted Average
Fair value
Measurement input \| M	6	5
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Visa derivative \| Growth Rate (percentage) \| Discounted cash flow \| Weighted Average
Fair value
Growth Rate (as a percent)	9.00%	10.00%
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Visa derivative \| Growth Rate (percentage) \| Discounted cash flow \| Minimum
Fair value
Growth Rate (as a percent)	(7.00%)	(6.00%)
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member] \| Visa derivative \| Growth Rate (percentage) \| Discounted cash flow \| Maximum
Fair value
Growth Rate (as a percent)	22.00%	25.00%

Percentage of assumed growth in a stock's market price, used as an input to measure fair value.

No definition available.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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- Definition

Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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- Definition

Indicates valuation technique for measuring derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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- 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

No definition available.

+ Details

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- Definition

Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

+ References

No definition available.

+ Details

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- Definition

Indicates valuation technique for measuring servicing asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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