Securities - Schedule of Securities with Gross Unrealized Losses, Investment Category and Length of Time in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Securities in Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 3,053	$ 13,509
Less than 12 months, unrealized (losses)	(11)	(56)
12 months or more, fair value	0	5,651
12 months or more, unrealized (losses)	0	(44)
Total, fair value	3,053	19,160
Total, unrealized (losses)	(11)	(100)
Obligations of U.S. Government Corporations and Agencies [Member]
Securities in Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	2,743	11,460
Less than 12 months, unrealized (losses)	(10)	(42)
12 months or more, fair value	0	5,651
12 months or more, unrealized (losses)	0	(44)
Total, fair value	2,743	17,111
Total, unrealized (losses)	(10)	(86)
Obligations of States and Political Subdivisions [Member]
Securities in Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	310	2,049
Less than 12 months, unrealized (losses)	(1)	(14)
12 months or more, fair value	0	0
12 months or more, unrealized (losses)	0	0
Total, fair value	310	2,049
Total, unrealized (losses)	$ (1)	$ (14)