Commitments and Contingent Liabilities - Summary of Unfunded Fixed Rate Loan Commitments (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Schedule Of Disclosure Of Unfunded Fixed Rate Loan Commitments [Line Items]
Due in One Year Or Less	$ 19,860
Over One Year But Less Than Five Years	9,087
Over Five Years	2,292
Total	31,239
Interest rate less than or equal to 4.00% [Member]
Schedule Of Disclosure Of Unfunded Fixed Rate Loan Commitments [Line Items]
Due in One Year Or Less	17,140
Over One Year But Less Than Five Years	2,929
Over Five Years	106
Total	20,175
Interest rate between 4.00% and 5.00% [Member]
Schedule Of Disclosure Of Unfunded Fixed Rate Loan Commitments [Line Items]
Due in One Year Or Less	450
Over One Year But Less Than Five Years	3,491
Over Five Years	219
Total	4,160
Interest rate greater than or equal to 5.00% [Member]
Schedule Of Disclosure Of Unfunded Fixed Rate Loan Commitments [Line Items]
Due in One Year Or Less	2,270
Over One Year But Less Than Five Years	2,667
Over Five Years	1,967
Total	$ 6,904