Securities Held to Maturity - Narrative (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) security	Dec. 31, 2018 USD ($) security
Schedule of Held-to-maturity Securities [Line Items]
Proceeds from held-to-maturity securities | $	$ 0	$ 0
Securities pledged to secure funds | $	$ 3,000,000	$ 2,000,000
U.S. Government Agencies
Schedule of Held-to-maturity Securities [Line Items]
Number of securities in unrealized loss positions		2
Mortgage-backed Securities
Schedule of Held-to-maturity Securities [Line Items]
Number of securities in unrealized loss positions	10	20
Corporate Bonds
Schedule of Held-to-maturity Securities [Line Items]
Number of securities in unrealized loss positions	3	5
State and Political Subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Number of securities in unrealized loss positions		6