XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.23.3

Investments - Summary of Information Relating to Investments Measured at Fair Value for Company has Used Unobservable Inputs to Determine Fair Value (Parenthetical) (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Transfers out of Level III | $ 8,332 | [1] | $ 13,988 | [2]
Transfers into Level III | 6,369 | [3] | 5,351 | [4]
Debt securities |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Transfers out of Level III | 8,332 | [1] | 13,988 | [2]
Transfers into Level III | $ 6,369 | [3] | $ 5,351 | [4]
[1] | Transfers out of Level III represent a transfer of $8.3 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets were observable as of September 30, 2023.
[2] | Transfers out of Level III represent a transfer of $14.0 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets were observable as of September 30, 2022.
[3] | Transfers into Level III represent a transfer of $6.4 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets were unobservable as of September 30, 2023.
[4] | Transfers into Level III represent a transfer of $5.4 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets were unobservable as of September 30, 2022.

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. + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |