Percentage of the financial instruments pledged as collateral on line of credit facility.

No definition available.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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- 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.

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- Definition

Amount excluding accrued interest, of 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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- Definition

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

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- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

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- Definition

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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- Definition

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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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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- Details

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BORROWINGS - Others (Details) - USD ($)	3 Months Ended
BORROWINGS - Others (Details) - USD ($)	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Borrowed funds
FHLB short-term borrowings	$ 235,000,000.0		$ 303,000,000.0
Carrying value of the loans pledged as collateral	4,728,500,000		4,702,339,000
Securities available for sale, at fair value	291,008,000		290,151,000
Amortization of issuance costs		$ 32,000
BIC
Borrowed funds
Available borrowing capacity	$ 364,000,000.0
Federal Reserve Bank of Boston
Borrowed funds
Percentage of carrying value pledged as collateral	59.00%
Federal Reserve Bank of Boston \| BTFP
Borrowed funds
Amount outstanding	$ 175,000,000.0
Federal Home Loan Bank Advances
Borrowed funds
Available borrowing capacity	532,000,000.0
Other Loans
Borrowed funds
Additional borrowing capacity	25,000,000.0
Asset Pledged as Collateral
Borrowed funds
Securities available for sale, at fair value	158,300,000
Asset Pledged as Collateral \| Federal Reserve Bank of Boston
Borrowed funds
Carrying value of the loans pledged as collateral	363,400,000
Securities available for sale, at fair value	186,700,000
Asset Pledged as Collateral \| Federal Reserve Bank of Boston \| BIC
Borrowed funds
Securities available for sale, at fair value	151,000,000.0
Amount outstanding	0
Asset Pledged as Collateral \| Federal Home Loan Bank Advances
Borrowed funds
Carrying value of the loans pledged as collateral	$ 2,040,000,000.00		$ 2,020,000,000.00