Available-for-Sale Securities - Additional Information (Details)	3 Months Ended	12 Months Ended
Mar. 31, 2022 USD ($) Security	Dec. 31, 2021 USD ($) Security
Schedule Of Available For Sale Securities [Line Items]
Held to maturity \| Security	1	1
Available For Sale Securities \| Security	42	29
Available For Sale Securities Amount		$ 3,600,000
Sale of Held - to maturity Securities	$ 0	0
Sale of available-for-sale securities	0
Available-for-sale securities matured	455,000	2,700,000
Purchases of available-for-sale securities	$ 53,400,000	$ 109,900,000
Number of held-to-maturity security \| Security	1	1
Number of investment securities not other than temporary \| Security	38	23
Securities pledged	$ 0	$ 0
Available For Sale Of Security [Member]
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities \| Security		2

Available for sale securities in amount.

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- Definition

Available for sale securities purchase during the period.

+ References

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- Definition

Held-to-maturity securities, number of securities held.

+ References

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Investment portfolio number of available for sale securities.

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Investment portfolio number of held-to-maturity security.

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- Definition

Sales of available for sale securities.

+ References

No definition available.

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- Definition

Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 210
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=120413173&loc=SL6242262-115580

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

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Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity), sold.

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- Definition

Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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