XML 112 R105.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Fair value measurements - Narrative (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, at fair value $ 75,722 $ 84,130
Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, at fair value 10,737 11,590
Fair Value, Nonrecurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans receivable, fair value disclosure 640,000 650,000
Notes receivable, fair value disclosure $ 608,000 $ 664,000