Goodwill and Other Intangible Assets (Details) - USD ($)	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 12,901,000	$ 12,942,000
Goodwill, period increase (decrease)	$ (41,000)
Goodwill period increase (decrease) percent	(0.30%)
Impairment charges recognized on the company's intangible assets	$ 0
Loan servicing assets	$ 200,000	$ 800,000
Core Deposits
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period	10 years 2 months 12 days