Investments, Gross Unrealized Losses and Fair Value and Net Unrealized Gains (Losses) (Details) $ in Thousands	Jun. 30, 2021 USD ($) Security	Dec. 31, 2020 USD ($)
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	$ 113,796	$ 33,727
Twelve months or greater, Fair value	5,350	5,633
Total, Fair value	119,146	39,360
Less than twelve months, Gross unrealized losses	(1,237)	(206)
Twelve months or greater, Gross unrealized losses	(63)	(38)
Total, Gross Unrealized Losses	$ (1,300)	(244)
Number of securities owned with fair value less than cost | Security	77
U.S. Agency Securities [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	$ 32,225	13,720
Twelve months or greater, Fair value	0	0
Total, Fair value	32,225	13,720
Less than twelve months, Gross unrealized losses	(545)	(52)
Twelve months or greater, Gross unrealized losses	0	0
Total, Gross Unrealized Losses	(545)	(52)
U.S. Treasury Securities [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	28,482
Twelve months or greater, Fair value	0
Total, Fair value	28,482
Less than twelve months, Gross unrealized losses	(127)
Twelve months or greater, Gross unrealized losses	0
Total, Gross Unrealized Losses	(127)
Obligations of State and Political Subdivisions [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	8,651	5,407
Twelve months or greater, Fair value	3,239	0
Total, Fair value	11,890	5,407
Less than twelve months, Gross unrealized losses	(35)	(55)
Twelve months or greater, Gross unrealized losses	(37)	0
Total, Gross Unrealized Losses	(72)	(55)
Corporate Obligations [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	496
Twelve months or greater, Fair value	0
Total, Fair value	496
Less than twelve months, Gross unrealized losses	(4)
Twelve months or greater, Gross unrealized losses	0
Total, Gross Unrealized Losses	(4)
Mortgage-backed Securities in Government Sponsored Entities [Member]
Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than twelve months, Fair value	43,942	14,600
Twelve months or greater, Fair value	2,111	5,633
Total, Fair value	46,053	20,233
Less than twelve months, Gross unrealized losses	(526)	(99)
Twelve months or greater, Gross unrealized losses	(26)	(38)
Total, Gross Unrealized Losses	$ (552)	$ (137)