Investment in debt securities (Tables)

12 Months Ended

Dec. 31, 2025

Investment in Debt Securities [Abstract]

Held to Maturity Investment in Debt Securities

The maturity schedule of the outstanding investments in debt securities that are classified as held-to-maturity as of December 31, 2025, is as follows:

Maturity date	Carrying amount		Fair value		Unrealized gains
Due within 1 year		—		—		—
Due in 1-5 years		750,000		760,658		10,658
Due in 5-10 years		—		—		—
Total		750,000		760,658		10,658

Carrying Amount and Unrealized Gains of Trading Debt Securities

The following table presents the carrying amount and unrealized gains of trading debt securities as of December 31, 2025:

Balance December 31, 2025	Carrying amount		Unrealized Gains
Trading debt securities	$	554,924	$	4,069
Total	$	554,924	$	4,069