Debt, Net - Components of recorded interest expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Amortization of original issue discount(3)	$ 562	$ 561	$ 1,665	$ 2,279
Amortization of debt issuance costs(3)	117	117	346	571
Other interest expense	1	6	5	26
Total	4,698	4,459	13,721	14,003
Sprott Credit Agreement
Debt Instrument [Line Items]
Interest expense, debt	1,600	1,261	4,620	3,848
Subordinated Notes
Debt Instrument [Line Items]
Interest expense, debt	$ 2,418	$ 2,514	$ 7,085	$ 7,279