Derivatives - Gain and Loss on Derivatives (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2023 USD ($) agreement	Jun. 30, 2023 USD ($) agreement
Derivatives
Realized gain (loss) on derivative contracts	$ (224)	$ (1,946)
Unrealized gain (loss) on derivative contracts	1,070	2,189
Total net gain (loss) on derivative contracts	$ 846	$ 243
Open derivative contract | agreement			0	0
Collateral			$ 0	$ 0