XML 32 R22.htm IDEA: XBRL DOCUMENT v3.25.2
Euro Deposits - Additional Information (Detail)
6 Months Ended 12 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2025
EUR (€)
Jun. 30, 2024
USD ($)
Dec. 31, 2024
EUR (€)
Jun. 30, 2025
EUR (€)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
EUR (€)
Cash and Cash Equivalents [Abstract]              
Annual nominal rate 1.10%       1.10%    
Principal deposits $ 445,997,531 € 396,731,195 $ 55,027,871 € 73,810,979      
Principal redemptions 70,224,088 € 64,584,148 $ 89,695,306 € 110,717,094      
Deposits, interest bearing $ 579,419,440       € 493,605,607 $ 167,191,705 € 161,458,560