Commitments and Contingent Liabilities - Summary of Unfunded Fixed Rate Loan Commitments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Schedule Of Disclosure Of Unfunded Fixed Rate Loan Commitments [Line Items]
Due in One Year Or Less	$ 12,160
Over One Year But Less Than Five Years	4,852
Over Five Years	7,757
Total	24,769
Interest rate less than or equal to 4.00%
Schedule Of Disclosure Of Unfunded Fixed Rate Loan Commitments [Line Items]
Due in One Year Or Less	8,386
Over One Year But Less Than Five Years	607
Over Five Years	6,000
Total	14,993
Interest rate between 4.00% and 5.00%
Schedule Of Disclosure Of Unfunded Fixed Rate Loan Commitments [Line Items]
Due in One Year Or Less	3,774
Over One Year But Less Than Five Years	3,995
Over Five Years	879
Total	8,648
Interest rate greater than or equal to 5.00%
Schedule Of Disclosure Of Unfunded Fixed Rate Loan Commitments [Line Items]
Due in One Year Or Less	0
Over One Year But Less Than Five Years	250
Over Five Years	878
Total	$ 1,128