Fair Value of Financial Instruments - Hierarchy Table on Nonrecurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value Disclosures
Other real estate owned	$ 450	$ 0
Level 1
Fair Value Disclosures
Collateral dependent loans/Impaired loans	0	0
Level 2
Fair Value Disclosures
Collateral dependent loans/Impaired loans	0	0
Level 3
Fair Value Disclosures
Collateral dependent loans/Impaired loans	12,405,677	13,846,403
Nonrecurring
Fair Value Disclosures
Collateral dependent loans/Impaired loans	419	3,180
Other real estate owned	450
Total assets	869
Nonrecurring \| Level 1
Fair Value Disclosures
Collateral dependent loans/Impaired loans	0	0
Other real estate owned	0
Total assets	0
Nonrecurring \| Level 2
Fair Value Disclosures
Collateral dependent loans/Impaired loans	0	0
Other real estate owned	0
Total assets	0
Nonrecurring \| Level 3
Fair Value Disclosures
Collateral dependent loans/Impaired loans	419	$ 3,180
Other real estate owned	450
Total assets	$ 869

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

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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.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

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