Advances From Federal Home Loan Banks, Overnight Borrowings

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Advances From Federal Home Loan Banks, Term Advances

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Advances From Federal Home Loan Banks, Term Advances With Put Feature

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Federal Funds, Available Borrowing Capacity

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Federal Home Loan Bank, Advance, Term

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Federal Home Loan Bank, Advances, General Debt Obligations, Disclosure, Weighted Average Interest Rate, Variable

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Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Extinguishment Fee

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Federal Home Loan Bank, Advances, Number Of Correspondent Banks

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Federal Home Loan Bank, Advances, Refinanced

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount of assets pledged to secure a debt instrument.

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Amount of short term borrowing where a bank borrows, at the federal funds rate, from another bank.

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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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Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of cash outflow for repayment of Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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FEDERAL HOME LOAN BANK ADVANCES AND SHORT-TERM BORROWINGS - Additional Information (Details)	1 Months Ended	12 Months Ended
	Jun. 30, 2020 USD ($)	Dec. 31, 2022 USD ($) bank	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Repayments of FHLB advances		$ 0	$ 0	$ 335,000,000
Weighted average interest rate (percent)		4.59%	0.20%
Investment in capital stock of the federal reserve		$ 34,500,000	$ 27,300,000
Number of correspondent banks \| bank		5
Available capacity		$ 445,000,000	441,000,000
Other borrowings		0	25,000,000
Securities sold under repurchase agreements		0	0
Collateral \| Federal Home Loan Bank Advances
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Advances from FHLB collateralized		$ 214,400,000
Revolving Credit Facility
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Line of credit facility			50,000,000
Line of credit facility, commitment fee percentage		0.40%
Line of credit facility, current borrowing capacity		$ 0	0
Revolving Credit Facility \| SOFR
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Basis spread on variable rate (percent)		1.85%
Federal Reserve Bank Advances
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of additional available borrowing		$ 1,060,000,000.00
Line of credit facility		949,100,000	455,400,000
Other borrowings		0	0
FHLB Advance Repaid June 2020
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Repayments of FHLB advances	$ 100,000,000
Weighted average interest rate (percent)	2.07%
Extinguishment fee	$ 2,500,000
FHLB Advance Refinanced June 2020
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB term advances refinanced	$ 111,000,000
Line of Credit \| Unsecured Federal Funds Line of Credit
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Line of credit facility		210,000,000
Other borrowings		0	0
Other borrowings		0	25,000,000
Collateralized loan obligations \| Federal Reserve Bank Advances
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Advances from FHLB collateralized		1,310,000,000	813,800,000
Collateral on line of credit facility		122,600,000	8,900,000
Federal Home Loan Bank of San Francisco
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB stock		22,600,000	$ 17,300,000
Federal Home Loan Bank of San Francisco \| Real Estate Loans
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Overnight borrowings		20,000,000
Term advances		611,000,000
Term advances with put feature		$ 100,000,000
Weighted average life of advances maturing		5 years
Secured borrowing capacity from FHLB		$ 1,990,000,000
Advances from FHLB collateralized		2,960,000,000
Federal Home Loan Bank of San Francisco \| Investment Securities \| Federal Home Loan Bank Advances
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Secured borrowing capacity from FHLB		$ 162,400,000