Fair Value Measures - Narrative (Details)	Dec. 31, 2023 constant_default_rate_per_loan
Weighted average life
Fair Value Inputs, Assets, Quantitative Information
Mortgage servicing rights, measurement input	6.83

Value of input used to measure servicing asset.

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

Name:	us-gaap_ServicingAssetMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant