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Fair Value - Narrative (Details)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Mortgage loans
Fair Value Measurement Inputs
Fair value option, loans, 90 days or more past due	$ 0	$ 0
Discount rate | Minimum
Fair Value Measurement Inputs
Debt Securities, Available-for-sale, Measurement Input	0.022	0.014
Discount rate | Maximum
Fair Value Measurement Inputs
Debt Securities, Available-for-sale, Measurement Input	0.188	0.194

X

- Definition

Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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X

- 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.

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X

- Definition

This item represents the aggregate fair value of loans held as assets that are 90 days or more past due for which the fair value option has been elected.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (e)(1)
-URI https://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612

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