Loans and Allowance - (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) contract loan	Dec. 31, 2019 USD ($) contract
Schedule of Available-for-sale Securities [Line Items]
Number of new loans modified as TDRs | loan	0
Number of TDRs accounts | contract	1	1
Amount of recorded investment in new troubled debt restructurings, totaled	$ 39,000	$ 41,000
Amount of interest that would have been accrued from non performing financial receivable, totaled	$ 200,000	$ 100,000
Non-performing TDRs
Schedule of Available-for-sale Securities [Line Items]
Number of TDRs accounts | contract	1	1
Consumer
Schedule of Available-for-sale Securities [Line Items]
Number of TDRs accounts | contract	1	1
Amount of recorded investment in new troubled debt restructurings, totaled	$ 39,000	$ 41,000
Amount of consumer and indirect loans, outstanding	38,711
Amount of consumer and indirect loans, specific reserves	$ 10,710
Number Of Loan Consumer And Indirect Loans | contract	1