Significant Event (Narrative) (Details)	1 Months Ended	2 Months Ended	12 Months Ended
	Jan. 31, 2021 USD ($)	Mar. 15, 2021 USD ($) contract	Dec. 31, 2020 USD ($) loan state contract
Significant Event [Line Items]
Number of states with COVID-19 reported cases | state			50
CARES Act [Member]
Significant Event [Line Items]
PPP loans SBA guarantee percent			100.00%
SBA loan deferred loan processing fees | $			$ 3,700,000
Deferred processing fees recognized | $			$ 2,000,000.0
Number of PPP loans processed | contract			1,174
Loan receivable amount SBA PPP loan approval received | $			$ 148,900,000
Proceeds from forgiveness payments on PPP loans | $			$ 34,500,000
CARES Act [Member] | Subsequent Event [Member]
Significant Event [Line Items]
PPP loan processing fees | $	$ 2,500
Number of PPP loans processed | contract		561
Loan receivable amount SBA PPP loan approval received | $		$ 56,400,000
CARES Act [Member] | Maximum [Member]
Significant Event [Line Items]
PPP loans maturity term			5 years
PPP loans SBA processing fees, percent			5.00%
CARES Act [Member] | Maximum [Member] | Subsequent Event [Member]
Significant Event [Line Items]
PPP loans SBA processing fees, percent	5.00%
CARES Act [Member] | Minimum [Member]
Significant Event [Line Items]
PPP loans maturity term			2 years
Percentage of proceeds customers use for payroll costs to qualify for SBA loan forgiveness			60.00%
PPP loans SBA processing fees, percent			1.00%
CARES Act [Member] | Minimum [Member] | Subsequent Event [Member]
Significant Event [Line Items]
PPP loans SBA processing fees, percent	0.50%
COVID-19 Pandemic [Member] | CARES Act [Member]
Significant Event [Line Items]
Initial deferrals period granted to qualified customers			90 days
Second deferral period option available to qualified customers			90 days
Maximum loan payments deferment period			180 days
COVID-19 Pandemic [Member] | Commercial Loan [Member] | CARES Act [Member]
Significant Event [Line Items]
Number of loans in modification status | loan			19
Number of classified loans in modification status | loan			7
COVID-19 Pandemic [Member] | Commercial Loan In Third Deferral [Member] | CARES Act [Member]
Significant Event [Line Items]
Number of classified loans in modification status | loan			3
COVID-19 Pandemic [Member] | Commercial Loan In Fourth Deferral [Member] | CARES Act [Member]
Significant Event [Line Items]
Number of classified loans in modification status | loan			1
COVID-19 Pandemic [Member] | Commercial Loan In Owner Occupied Rentals On Third Deferral [Member] | CARES Act [Member]
Significant Event [Line Items]
Number of classified loans in modification status | loan			2
COVID-19 Pandemic [Member] | Commercial Loan In Food Service In Third Deferral [Member] | CARES Act [Member]
Significant Event [Line Items]
Number of classified loans in modification status | loan			1