Summary of Significant Accounting Polices - Fair Value of Financial Instruments (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Fair Value of Financial Instruments
Fair value assets, transfers from Level 1 to Level 2	$ 0
Fair value assets, transfers from Level 2 to Level 1	0
Fair value liabilities, transfers from Level 1 to Level 2	0	$ 0
Fair value liabilities, transfers from Level 2 to Level 1	$ 0	$ 0
Reverse repurchase agreements
Fair Value of Financial Instruments
Percentage of investment amount to collateralized deposits value	102.00%
Reverse repurchase agreements \| Government Securities and Obligations \| Minimum
Fair Value of Financial Instruments
Percentage of investment amount to collateralized deposits value	102.00%

Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

No definition available.

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Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

No definition available.

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Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

No definition available.

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Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

No definition available.

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The percentage of investment in reverse repurchase agreements which are collateralized by deposits.

No definition available.

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No definition available.

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