Securities - Schedule of Securities with Gross Unrealized Losses and Fair value, Aggregated by Investment Category and Length of Time in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Securities in Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 13,509	$ 18,080
Less than 12 months, unrealized (losses)	(56)	(135)
12 months or more, fair value	5,651	41,272
12 months or more, unrealized (losses)	(44)	(1,273)
Total, fair value	19,160	59,352
Total, unrealized (losses)	(100)	(1,408)
Obligations of U.S. Government Corporations and Agencies [Member]
Securities in Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	11,460	14,901
Less than 12 months, unrealized (losses)	(42)	(104)
12 months or more, fair value	5,651	37,186
12 months or more, unrealized (losses)	(44)	(1,186)
Total, fair value	17,111	52,087
Total, unrealized (losses)	(86)	(1,290)
Obligations of States and Political Subdivisions [Member]
Securities in Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	2,049	3,179
Less than 12 months, unrealized (losses)	(14)	(31)
12 months or more, fair value	0	4,086
12 months or more, unrealized (losses)	0	(87)
Total, fair value	2,049	7,265
Total, unrealized (losses)	$ (14)	$ (118)