Fair Value Measurements - Summary of Key Assumptions in Valuing the Royalty Conversion Option Derivative (Details) - Level 3 - Fair Value, Recurring	Dec. 31, 2025 USD ($) yr	Jun. 30, 2025 USD ($) yr
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cumulative present value of royalty	$ 20,356,125	$ 16,758,545
Conversion threshold value	$ 15,000,000	$ 15,000,000
Term
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Value of input used to measure derivative royalty \| yr	2.99	3.49
Volatility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Value of input used to measure derivative royalty	0.1689	0.1593
Risk-Free Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Value of input used to measure derivative royalty	0.0349	0.0364
Dividend Yield
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Value of input used to measure derivative royalty	0	0

Paramount Gold Nevada Corp. 10-Q