Advances From Federal Home Loan Banks, Overnight Borrowings

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Advances From Federal Home Loan Banks, Term Advances

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Federal Funds, Available Borrowing Capacity

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Federal Home Loan Bank, Advance, Maturity, Weighted Average Interest Rate

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Federal Home Loan Bank, Advance, Maturity, Weighted Average Interest Rate

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Federal Home Loan Bank, Advances, Number of Correspondent Banks

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Amount of assets pledged to secure a debt instrument.

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Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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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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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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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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 OTHER BORROWINGS - Additional Information (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) bank	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) bank	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Overnight borrowings	$ 105,000,000		$ 105,000,000
Term advances	411,000,000		$ 411,000,000
Weighted average life of advances maturing			3 years 6 months
Weighted average interest rate advances maturing (percent)			2.53%
Advances from FHLB collateralized	2,380,000,000		$ 2,380,000,000
Investment in capital stock of the federal reserve	$ 34,200,000		$ 34,200,000		$ 27,300,000
Number of correspondent banks \| bank	5		5
Available capacity	$ 445,000,000		$ 445,000,000		445,000,000
Other borrowings	98,000,000		98,000,000		25,000,000
Securities sold under repurchase agreements	0		0		0
Revolving Credit Facility
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Line of credit facility					50,000,000
Other borrowings	13,000,000		13,000,000		0
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		210,000,000
Borrowings outstanding	0		0
Other borrowings	85,000,000		85,000,000		25,000,000
Federal Reserve Bank Advances
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Line of credit facility	789,000,000		789,000,000
Borrowings during the period	0	$ 0	0	$ 0
Borrowings outstanding	0		0		0
Federal Reserve Bank Advances \| Collateralized loan obligations
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Advances from FHLB collateralized	1,010,000,000.00		1,010,000,000.00
Collateral on line of credit facility	123,200,000		123,200,000
Federal Home Loan Bank of San Francisco
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Secured borrowing capacity from FHLB	1,760,000,000		1,760,000,000
Amount of additional available borrowing	985,400,000		985,400,000
FHLB stock	17,300,000		17,300,000		17,300,000
FHLB Advances \| Collateral Pledged
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Securities pledged	$ 205,500,000		$ 205,500,000		$ 0