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Fair Value Measurements (Details 3) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Changes in the fair value of Level 3 assets measured on a recurring basis |  |
Total gains or losses (unrealized): included in earnings | $ 0 | $ 0
U.S. States and political subdivisions securities |  |
Changes in the fair value of Level 3 assets measured on a recurring basis |  |
Balance at the beginning of the period | 2,152,000 | 2,292,000
Total gains or losses (realized/unrealized): included in earnings | 0 | 0
Total gains or losses (realized/unrealized): included in other comprehensive income | (15,000) | 58,000
Purchases | 0 | 3,100,000
Issuances | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Maturities | (288,000) | (3,298,000)
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Balance at the end of the period | $ 1,849,000 | $ 2,152,000

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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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