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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)

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