Loans (Narrative) (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) loan loanCategory	Dec. 31, 2019 USD ($) loan customer_relationship	Apr. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reclassification from nonaccretable difference	$ 25,000	$ 330,000
Net deferred loan fee and premiums	1,300,000	1,900,000
Deferred loan fee paid by customers	3,400,000	3,300,000
Total deferred loan fee and premiums	4,700,000	5,200,000
Total Loan Receivables	$ 1,614,595,000	1,454,172,000
Loans sold for payment, service rights retain, percent of outstanding balance	0.25%
Increase in non accrual loans	$ 400,000
Total Non-accrual Loans	$ 18,222,000	$ 17,857,000
Total number of loans | loan	30	39
Non-accrual Current Loans	$ 6,257,000	$ 5,070,000
Percentage of current loans on total non accrual loans	34.00%
Non- accrual Delinquent Loans	$ 11,965,000	$ 12,787,000
Percentage of delinquent loans on total non accrual loans	66.00%
Reserve for delinquent non accrual loans	$ 1,300,000
Total TDRs | loan	6	8
Increase in financial receivables past due	$ (1,200,000)
Past due	12,100,000	$ 13,300,000
Other changes, net	(135,000)	(32,000)
Financing receivable post modification recorded investment	$ 2,094,000	$ 2,049,000
Number of loans added to troubled debt restructuring | loan	1	25,000
Amount of loans added to troubled debt restructuring	$ 200,000
Unpaid Contractual Principal Balance	21,674,000	$ 28,235,000
Total recorded investment	$ 21,395,000	$ 27,986,000
Performance TDR interest rate	4.60%	4.51%
Loan participations, loans sold, amount	$ 17,400,000	$ 14,900,000
Loan participations, loans purchased, amount	8,700,000	3,400,000
Net deferred costs (fees)	(1,096,000)	1,879,000
Loans Sold for Payment, Service Rights Retained, Amount	$ 23,900,000	32,900,000
Number of loan categories | loanCategory	2
YTD Interest Income Recognized	$ 508,000	1,165,000
Net loans	1,594,075,000	1,445,109,000
Accrual TDR loans	572,000	650,000
Related Party Loans | Charitable And Community Organizations to Which Bank Executive Offices and Directors Volunteer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable, related parties	$ 7,600,000	$ 5,400,000
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases receivable, allowance percentage	1.29%	0.75%
Percentage status of loan in portfolio	100.00%	100.00%
Total Loan Receivables	$ 1,504,275,000	$ 1,454,172,000
Past due	12,144,000	13,327,000
Net deferred costs (fees)	1,264,000	1,879,000
Net loans	$ 1,486,115,000	1,445,109,000
Residential Rentals Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan security percentage	80.00%
U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net loans	$ 107,960,000	0
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan security percentage	80.00%
Total Loan Receivables	$ 1,049,147,000	964,777,000
Total Non-accrual Loans	$ 16,612,000	$ 12,249,000
Total number of loans | loan	18	16
Non-accrual Current Loans	$ 5,184,000	$ 1,687,000
Non- accrual Delinquent Loans	$ 11,428,000	$ 10,562,000
Total TDRs | loan	2	3
Financing receivable post modification recorded investment	$ 1,376,000	$ 1,420,000
Unpaid Contractual Principal Balance	17,952,000	20,914,000
Total recorded investment	17,714,000	20,707,000
YTD Interest Income Recognized	$ 361,000	$ 813,000
Commercial real estate | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	69.75%	66.34%
Total Loan Receivables	$ 1,049,147,000	$ 964,777,000
Past due	$ 11,428,000	$ 10,780,000
Commercial real estate | Commercial Construction Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	6.90%	8.90%
Residential first mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase (decrease) in finance receivables	$ 22,000,000.0	$ 41,000,000.0
Total Loan Receivables	133,779,000	167,710,000
Total Non-accrual Loans	$ 794,000	$ 830,000
Total number of loans | loan	4	3
Non-accrual Current Loans	$ 459,000	$ 830,000
Non- accrual Delinquent Loans	$ 335,000	$ 0
Total TDRs | loan	2	1
Financing receivable post modification recorded investment	$ 247,000	$ 64,000
Unpaid Contractual Principal Balance	2,001,000	1,921,000
Total recorded investment	1,989,000	1,917,000
YTD Interest Income Recognized	$ 70,000	$ 86,000
Residential first mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	8.89%	11.53%
Total Loan Receivables	$ 133,779,000	$ 167,710,000
Past due	335,000	0
Residential rentals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	139,059,000	123,601,000
Total Non-accrual Loans	$ 275,000	$ 937,000
Total number of loans | loan	2	5
Non-accrual Current Loans	$ 275,000	$ 937,000
Non- accrual Delinquent Loans	0	0
Unpaid Contractual Principal Balance	626,000	941,000
Total recorded investment	$ 625,000	$ 937,000
Number of properties secured as collateral | loan	120	120
YTD Interest Income Recognized	$ 32,000	$ 56,000
Residential rentals | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	9.24%	8.50%
Total Loan Receivables	$ 139,059,000	$ 123,601,000
Past due	$ 0	$ 0
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	2.50%	2.40%
Total Loan Receivables	$ 37,520,000	$ 34,133,000
Construction and land development | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	2.49%	2.35%
Total Loan Receivables	$ 37,520,000	$ 34,133,000
Past due	$ 0	$ 0
Home equity and second mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	1.90%	2.50%
Total Loan Receivables	$ 29,129,000	$ 36,098,000
Total Non-accrual Loans	$ 495,000	$ 448,000
Total number of loans | loan	3	6
Non-accrual Current Loans	$ 293,000	$ 271,000
Non- accrual Delinquent Loans	202,000	177,000
Unpaid Contractual Principal Balance	568,000	524,000
Total recorded investment	555,000	510,000
YTD Interest Income Recognized	$ 15,000	$ 23,000
Home equity and second mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	1.94%	2.48%
Total Loan Receivables	$ 29,129,000	$ 36,098,000
Past due	$ 369,000	$ 298,000
Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	3.50%	4.30%
Total Loan Receivables	$ 52,921,000	$ 63,102,000
Total Non-accrual Loans		$ 3,127,000
Total number of loans | loan		3
Non-accrual Current Loans		$ 1,320,000
Non- accrual Delinquent Loans		1,807,000
Unpaid Contractual Principal Balance		3,127,000
Total recorded investment		3,127,000
YTD Interest Income Recognized		$ 152,000
Commercial loans | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	3.52%	4.34%
Total Loan Receivables	$ 52,921,000	$ 63,102,000
Past due	0	1,807,000
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	$ 1,027,000	$ 1,104,000
Consumer loans | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	0.07%	0.08%
Total Loan Receivables	$ 1,027,000	$ 1,104,000
Past due	8,000	0
Commercial equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	61,693,000	63,647,000
Total Non-accrual Loans	$ 46,000	$ 266,000
Total number of loans | loan	3	6
Non-accrual Current Loans	$ 46,000	$ 25,000
Non- accrual Delinquent Loans	$ 0	$ 241,000
Total TDRs | loan	2	4
Financing receivable post modification recorded investment	$ 471,000	$ 565,000
Unpaid Contractual Principal Balance	527,000	808,000
Total recorded investment	512,000	788,000
YTD Interest Income Recognized	$ 30,000	$ 35,000
Commercial equipment | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	4.10%	4.38%
Total Loan Receivables	$ 61,693,000	$ 63,647,000
Past due	$ 4,000	$ 442,000
U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	6.83%	0.00%
Total Loan Receivables	$ 110,320,000	$ 0
Apartment Buildings Rentals | Residential Rentals Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	$ 33,200,000	$ 26,500,000
Adjustable Rate Residential Mortgage | Residential Rentals Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	7.90%	7.00%
Total Loan Receivables	$ 118,500,000	$ 102,200,000
Adjustable Rate Residential First Mortgage | Residential first mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	2.20%	3.60%
Total Loan Receivables	$ 33,600,000	$ 52,300,000
One To Four Family Units | Residential Rentals Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	105,900,000	97,100,000
Eight Loans And Seven Customer Relationships
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Non-accrual Loans	$ 15,700,000
Total number of loans | loan	15
Percentage status of non accrual loans	86.00%
Thirteen Loans And Four Customer Relationships
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Non-accrual Loans		$ 15,000,000.0
Total number of loans | loan		18
Number of customer relationships | customer_relationship		7
Percentage status of non accrual loans		84.00%
Financing Receivable Troubled Debt Restructuring
Accounts, Notes, Loans and Financing Receivable [Line Items]
TDR loan principal curtailment		$ 200,000
YTD Interest Income Recognized	$ 96,000	92,000
One Troubled Debt Restructuring Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Non-accrual Loans	$ 1,500,000	$ 1,400,000
Total TDRs | loan	1
Financing receivable post modification recorded investment	$ 1,300,000
Allowance for credit losses, specific reserves	$ 400,000
Three Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans removed from troubled debt restructuring | loan	3
Three Troubled Debt Restructuring Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total TDRs | loan	3	3
Three Troubled Debt Restructuring Loans With Reserves
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total TDRs | loan		3
Financing receivable post modification recorded investment		$ 100,000
Allowance for credit losses, specific reserves		$ 87,000
Seven Troubled Debt Restructuring Loans with Reserves
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total TDRs | loan		7
Financing receivable post modification recorded investment	$ 53,000
Amount of loans removed from troubled debt restructuring	100,000	$ 4,400,000
U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net deferred costs (fees)	(2,400,000)
Deferred Loan Fees And Premiums Include Net Deferred Fees Paid By Small Business Administration	2,900,000
Offset By Net Deferred Premiums Paid To Purchase Loans	$ 500,000
Nonaccrual Loans With No Impairment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	0.81%	0.92%
Total Non-accrual Loans	$ 12,400,000	$ 11,700,000
Interest due to debt	400,000	300,000
Nonaccrual Loans With Impairment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Non-accrual Loans		6,100,000
Interest due to debt	$ 400,000	300,000
Minimum | Residential Rentals Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period	3 years
Minimum | U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period	2 years
Minimum | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period	3 years
Minimum | Residential first mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period	10 years
Minimum | Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Threshold limit	$ 1,000,000.0
Maximum | U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period	5 years
Fixed interest rate	1.00%
Maximum | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period	20 years
Maximum | Residential first mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period	30 years
Maximum | Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period	5 years
Unrated
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	$ 497,734,000	350,699,000
Unrated | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	162,434,000	102,695,000
Unrated | Residential rentals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	47,605,000	38,139,000
Unrated | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	1,036,000	2,075,000
Unrated | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	12,962,000	16,754,000
Unrated | Commercial equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	26,585,000	26,045,000
Unrated | U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	110,320,000	0
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	1,089,940,000	1,076,610,000
Pass | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	866,648,000	840,403,000
Pass | Residential rentals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	90,633,000	84,811,000
Pass | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	36,484,000	32,058,000
Pass | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	39,959,000	43,221,000
Pass | Commercial equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	31,091,000	37,399,000
Pass | U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	0
Special mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	7,672,000	0
Special mention | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	2,417,000	0
Special mention | Residential rentals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	821,000	0
Special mention | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	0
Special mention | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	0
Special mention | Commercial equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	3,977,000	0
Special mention | U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	0
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	19,249,000	26,863,000
Substandard | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	17,648,000	21,679,000
Substandard | Residential rentals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	651,000
Substandard | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	0
Substandard | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	3,127,000
Substandard | Commercial equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	40,000	203,000
Substandard | U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	0
31 - 60 Days | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	175,000	150,000
31 - 60 Days | Commercial real estate | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
31 - 60 Days | Residential first mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
31 - 60 Days | Residential rentals | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
31 - 60 Days | Construction and land development | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
31 - 60 Days | Home equity and second mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	167,000	98,000
31 - 60 Days | Commercial loans | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
31 - 60 Days | Consumer loans | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	8,000	0
31 - 60 Days | Commercial equipment | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	52,000
61 - 89 Days | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	4,000	399,000
61 - 89 Days | Commercial real estate | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	217,000
61 - 89 Days | Residential first mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
61 - 89 Days | Residential rentals | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
61 - 89 Days | Construction and land development | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
61 - 89 Days | Home equity and second mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	23,000
61 - 89 Days | Commercial loans | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
61 - 89 Days | Consumer loans | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
61 - 89 Days | Commercial equipment | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	4,000	159,000
90 or Greater Days | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	11,965,000	12,778,000
90 or Greater Days | Commercial real estate | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	11,428,000	10,563,000
90 or Greater Days | Residential first mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	335,000	0
90 or Greater Days | Residential rentals | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
90 or Greater Days | Construction and land development | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
90 or Greater Days | Home equity and second mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	202,000	177,000
90 or Greater Days | Commercial loans | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	1,807,000
90 or Greater Days | Consumer loans | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	0
90 or Greater Days | Commercial equipment | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0	231,000
Performing Financial Instruments | Residential Rentals Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Largest outstanding loan, amount	9,500,000	9,700,000
Performing Financial Instruments | Residential first mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	133,444,000	167,710,000
Largest outstanding loan, amount	3,000,000.0	3,000,000.0
Performing Financial Instruments | Home equity and second mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	28,927,000	35,921,000
Performing Financial Instruments | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Largest outstanding loan, amount	5,600,000	2,800,000
Performing Financial Instruments | Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	1,027,000	1,104,000
Performing Financial Instruments | Commercial equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Largest outstanding loan, amount	2,400,000	2,100,000
Performing Financial Instruments | Commercial Loans | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Largest outstanding loan, amount	20,700,000	21,100,000
Performing Financial Instruments | One To Four Family Units | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Largest outstanding loan, amount	$ 12,800,000	$ 5,300,000
Nonperforming Financial Instruments
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	1.23%	1.13%
Nonperforming Financial Instruments | Residential first mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	$ 335,000	$ 0
Nonperforming Financial Instruments | Home equity and second mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	202,000	177,000
Nonperforming Financial Instruments | Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	0
Nonperforming Financial Instruments | U.S. Small Business Administration ("SBA") Paycheck Protection Program ("PPP") loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio			2.35%
PCI Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reclassification from nonaccretable difference	$ 25,000	$ 300,000
Percentage status of loan in portfolio	0.10%	0.13%
Other changes, net	$ (100,000)	$ (32,000)
Unpaid Contractual Principal Balance	2,300,000	2,900,000
Total recorded investment	2,000,000.0	2,400,000
PCI Loans | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	1,978,000	2,424,000
PCI Loans | Commercial real estate | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	1,572,000	1,738,000
PCI Loans | Residential first mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	0
PCI Loans | Residential rentals | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	0	295,000
PCI Loans | Home equity and second mortgages | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loan Receivables	$ 406,000	$ 391,000
County First Acquisition
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	3.78%	5.30%
Total Loan Receivables	$ 60,977,000	$ 77,078,000
County First Acquisition | Nonaccrual Loans With Impairment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Non-accrual Loans	$ 800,000	$ 1,200,000
County First Acquisition | PCI Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	0.12%	0.17%
Total Loan Receivables	$ 1,978,000	$ 2,424,000
Fair value adjustment	300,000	500,000
Total recorded investment	$ 2,000,000.0	$ 2,400,000
Percentage change on total loans	14.95%	17.55%
County First Acquisition | All Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	3.66%	5.13%
Total Loan Receivables	$ 58,999,000	$ 74,654,000
Fair value adjustment	$ 5,800,000
Percentage change on total loans	1.25%	1.55%
Net loans	$ 59,000,000.0	$ 74,700,000