Available-for-Sale Securities - Additional Information (Details)	6 Months Ended	12 Months Ended
Jun. 30, 2021 USD ($) Security	Dec. 31, 2020 USD ($) Security
Schedule Of Available For Sale Securities [Line Items]
Held to maturity \| Security	1	1
Available For Sale Securities \| Security	16	8
Available For Sale Securities Amount	$ 2,600,000
Sale of Held - to maturity Securities	0
Sale of available-for-sale securities	0	$ 0
Available-for-sale securities matured	0	17,800,000
Purchases of available-for-sale securities	$ 35,200,000	13,600,000
Purchases of Held-to-maturity securities		$ 1,700,000
Number of held-to-maturity security \| Security	1	1
Number of investment securities not other than temporary \| Security	7	3
Securities pledged	$ 0	$ 0
Available For Sale Of Security [Member]
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities \| Security	1

Available for sale securities in amount.

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- Definition

Available for sale securities purchase during the period.

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

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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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Sales of available for sale securities.

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Amount of debt and equity financial instruments classified as either held-to-maturity or available-for-sale.

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No definition available.

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Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

+ References

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

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Amount of cash outflow through purchase of long-term held-to-maturity securities.

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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).

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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.

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