Debt securities available for sale and held to maturity unrealized loss position number of positions.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with interest rate reset through auction process, sold at par value.

+ References

No definition available.

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- Definition

Amount 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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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

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Amount of realized gain 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 of realized 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 of securities, mortgage loans, or other financial instruments pledged as collateral for deposits.

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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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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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No definition available.

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Amount of cash inflow from maturity, prepayment and call 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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Investment Securities - Additional Information (Detail) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) Securities	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) Securities	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Marketable Securities [Line Items]
Number of securities less than 12 months \| Securities	47		47
Number of securities more than 12 months \| Securities	157		157
Unrealized losses securities more than 12 months	$ 15,594		$ 15,594		$ 6,370
Other than temporary impairment charges	0	$ 0	0	$ 0
Sales of available-for-sale securities				3,000
Proceeds from maturities of securities available-for-sale	241		1,071	3,659
Gain on sale of available for sale debt securities				$ 2
Securities pledged as collateral	$ 0		$ 0		0
Number of investment securities \| Securities	222		222
Loss on sale of available for sale securities	$ 6		$ 6
Municpal Securities [Member]
Marketable Securities [Line Items]
Number of securities more than 12 months \| Securities	96		96
Unrealized losses securities more than 12 months	$ 28,400		$ 28,400
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ 6,000		$ 6,000
Mortgage-backed securities [Member]
Marketable Securities [Line Items]
Number of securities more than 12 months \| Securities	57		57
Unrealized losses securities more than 12 months	$ 30,400		$ 30,400
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	7,700		7,700
Obligations of state and political subdivisions [Member]
Marketable Securities [Line Items]
Unrealized losses securities more than 12 months	5,963		5,963		$ 371
Debt Securities, Available-for-Sale, Allowance for Credit Loss	$ 0		$ 0
Agency Securities [Member]
Marketable Securities [Line Items]
Number of securities more than 12 months \| Securities	4		4
Unrealized losses securities more than 12 months	$ 4,900		$ 4,900
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ 1,400		$ 1,400