Loans - Additional Information (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) loan payment	Dec. 31, 2021 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Paycheck protection program	$ 217,000	$ 25,800,000
Deferred loan costs	$ 22,700,000	(15,800,000)
Period of loan sold	30 days
Minimum period seldom held	90 days
Mortgage warehousing maximum pay off period	30 days
Nonaccrual interest income	$ 0	0
Non-accrual loans	17,630,000	14,962,000
Non-performing TDRs	1,500,000	1,500,000
TDR loans	$ 1,548,000	1,521,000
Restructured loan returned to accruing status number of Consecutive Payments of loan | payment	6
Restructured loan reported in TDRs	$ 4,118,000	3,912,000
Specific reserves allocated to troubled debt restructuring	0
Minimum
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans with an aggregate credit exposure	$ 3,000,000
Loans classified as TDR after a period	90 days
Minimum | Good Pass
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of consecutive years of profit for Good Pass Rating	3 years
Number of consecutive years of profit Unaudited Financial Information for Good Pass Rating	5 years
Number of years of Satisfactory Relationship with bank for Good Pass Rating	5 years
Maximum
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans with an aggregate credit exposure	$ 6,000,000
Loans classified as TDR after a period	120 days
Maximum | Satisfactory Pass
Financing Receivable, Troubled Debt Restructuring [Line Items]
Minimum number of years of Satisfactory Repayment required for Satisfactory Pass Rating	2 years
CARES Act
Financing Receivable, Troubled Debt Restructuring [Line Items]
Restructured loan reported in TDRs	$ 34,000	10,900,000
Performing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Restructured loan reported in TDRs	$ 2,600,000	$ 2,400,000
Number TDRs returned to accrual status | loan	4	5
Loans Purchased With Evidence of Credit Deterioration
Financing Receivable, Troubled Debt Restructuring [Line Items]
Non-accrual loans	$ 1,500,000	$ 2,200,000
Non-performing TDRs	$ 105,000	$ 290,000