Regulatory Capital - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2021
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital conservation buffer to risk weighted assets	2.50%
Cumulative Effect, Period of Adoption, Adjustment
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Cumulative capital transition impact		$ 61.6
Capital transition provisions, benefit recognized, excluding amount previously phased in	$ 30.8

Capital Conservation Buffer to Risk Weighted Assets, Year Four and Thereafter

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- Definition

Financing Receivable, Allowance For Credit Loss, Capital Transition Provisions, Benefit Recognized

+ References

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- Definition

Financing Receivable, Allowance For Credit Loss, Capital Transition Provisions, Benefit Recognized, Excluding Amount Previously Phased In

+ References

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480696/942-505-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480696/942-505-50-1

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