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Amount of unrealized loss on 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 excluding accrued interest, of allowance for credit loss on 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 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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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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- Definition

Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.

+ References

No definition available.

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Amount of realized loss from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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- Definition

Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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- Definition

The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

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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.

+ References

No definition available.

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Securities - Narrative (Details)	3 Months Ended		12 Months Ended
Securities - Narrative (Details)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) contract
Debt Securities, Available-for-sale [Line Items]
Securities	$ 1,347,697,000		$ 1,366,680,000
Debt securities available for sale, at fair value	1,045,883,000		1,057,621,000
Allowance for credit losses	0		0
Unrealized loss	979,936,000		1,002,437,000
Equity securities with readily determinable fair value not held for trading	0		11,383,000
Unrealized gains		$ 700,000
Foreign Corporate Debt Securities
Debt Securities, Available-for-sale [Line Items]
Debt securities available for sale, at fair value	0		0
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Debt securities available for sale, at fair value	268,267,000		280,700,000
Allowance for credit losses	0		0
Unrealized loss	268,267,000		275,706,000
Equity Securities
Debt Securities, Available-for-sale [Line Items]
Debt securities available for sale, at fair value	11,200,000
Realized loss	200,000
Investment-Grade
Debt Securities, Available-for-sale [Line Items]
Debt securities available for sale, at fair value	192,200,000		206,300,000
Unrealized loss	20,700,000		16,600,000
Pledged as Collateral
Debt Securities, Available-for-sale [Line Items]
Securities pledged as collateral	557,600,000		314,500,000
Foreign Corporate Debt Securities
Debt Securities, Available-for-sale [Line Items]
Securities	10,100,000		9,700,000
US Government
Debt Securities, Available-for-sale [Line Items]
Allowance for credit losses	0		0
Investment-Grade
Debt Securities, Available-for-sale [Line Items]
Securities	260,200,000		258,800,000
Allowance for credit losses	0		0
Unrealized loss	27,600,000		24,100,000
Non-Investment-Grade
Debt Securities, Available-for-sale [Line Items]
Securities	8,000,000		16,900,000
Unrealized loss	1,000,000		2,100,000
Signature Bond
Debt Securities, Available-for-sale [Line Items]
Unrealized loss			$ 9,100,000
Number of instruments held-for-sale \| contract			1
Equity securities, unrealized loss			$ 900,000
Realized loss	$ 9,500,000
Mutual Funds
Debt Securities, Available-for-sale [Line Items]
Equity securities, original costs			$ 12,700,000