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Available for Sale Securities (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Securities Abstract
Secure public deposits	$ 63.1	$ 54.2
Securities repurchase agreements	24.6	23.6
Fair value investments	$ 239.5	$ 214.2
Available for sale securities investment percentage	99.00%	81.00%
Total unrealized loss	$ 42.3	$ 3.6

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Percentage of investment in available for sale securities.

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Total unrealized loss in the securities portfolio.

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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
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-Section S99
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-URI https://asc.fasb.org/extlink&oid=122147990&loc=SL120429264-123010

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Amount of cash inflow for receipts of deposits classified as other.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
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Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

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