Fair Value Measurements (Details) - Schedule of U.S. government securities with the below market values and maturity dates - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	$ 189,536,000	$ 143,787,000
Maturing 03/23/2023, 3.750% Discount Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	19,939,000	24,768,000
Maturing 05/18/2023, 2.700% Discount Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	24,890,000	9,831,000
Maturing 08/31/2023, 1.375% Coupon Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	9,938,000	9,777,000
Maturing 09/21/2023, 4.865% Discount Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	14,828,000
Maturing 12/31/2023, 0.750% Coupon Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	2,941,000	62,497,000
Maturing 01/31/2024, 0.875% Coupon Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	63,549,000	23,995,000
Maturing 05/31/2024, 2.500% Coupon Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	24,356,000	9,707,000
Maturing 08/15/2024, 0.375% Coupon Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	2,863,000	2,808,000
Maturing, Coupon Rate 5 [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	9,544,000
Maturing, Coupon Rate 6 [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	4,870,000
Maturing 05/31/2024, 2.500% Coupon Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	4,870,000
Maturing 08/15/2024, 0.375% Coupon Rate [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	2,838,000
Maturing, Coupon Rate 9 [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	3,922,000
Accrued Interest [Member]
Market value of U.S. government securities portfolio
Total Market value of investment in U.S. government securities	$ 188,000	$ 404,000