XML 58 R48.htm IDEA: XBRL DOCUMENT v3.22.2
Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - Estimate of Fair Value Measurement - USD ($)
$ in Thousands
Jun. 30, 2022
Sep. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis $ 87,319 $ 98,224
Money market funds    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 52,151 62,100
Notes receivable    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 35,168 36,124
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 52,151 62,100
Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market funds    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 52,151 62,100
Quoted Prices in Active Markets for Identical Assets (Level 1) | Notes receivable    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 0 0
Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 0 0
Significant Other Observable Inputs (Level 2) | Money market funds    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 0 0
Significant Other Observable Inputs (Level 2) | Notes receivable    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 0 0
Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 35,168 36,124
Significant Unobservable Inputs (Level 3) | Money market funds    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis 0 0
Significant Unobservable Inputs (Level 3) | Notes receivable    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total assets at fair value on a recurring basis $ 35,168 $ 36,124