Income Taxes - Deferred Tax Assets/Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Deferred tax assets:
Partnership basis differences	$ 69,193	$ 49,740
Accrued liabilities and reserves	1,436	955
State tax credits and NOLs	8,922	7,178
Foreign tax credits	580	580
Other	381	336
Less valuation allowance	(16,876)	(15,633)
Total deferred tax assets	63,636	43,156
Deferred tax liabilities:
Fixed assets and intangibles	29,495	27,754
Other	21	53
Total deferred tax liabilities	29,516	27,807
Total net deferred tax assets	$ 34,120	$ 15,349