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Fair Value Of Financial Instruments (Fair Value Of Assets And Liabilities Measured On Recurring Basis) (Details) - Recurring [Member] - USD ($)
Dec. 31, 2022
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investment $ 0 $ 0    
Cash, cash equivalents and restricted cash (included in other long term assets) 279,000 371,000    
Fixed maturity investments (included in cash and cash equivalents) 2,268,000 1,196,000    
Foreign exchange contracts 2,000      
Total assets at fair value 2,549,000 1,567,000    
Quoted Price In Active Markets For Identical Assets (Level 1) [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investment 0 0    
Cash, cash equivalents and restricted cash (included in other long term assets) 279,000 371,000    
Fixed maturity investments (included in cash and cash equivalents) 2,268,000 1,196,000    
Foreign exchange contracts 0      
Total assets at fair value 2,547,000 1,567,000    
Significant Other Observable Inputs (Level 2) [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investment 0 0    
Cash, cash equivalents and restricted cash (included in other long term assets) 0 0    
Fixed maturity investments (included in cash and cash equivalents) 0 0    
Foreign exchange contracts 2,000      
Total assets at fair value 2,000 0    
Significant Unobservable Inputs (Level 3) [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investment 0 0    
Cash, cash equivalents and restricted cash (included in other long term assets) 0 0    
Fixed maturity investments (included in cash and cash equivalents) 0 0    
Foreign exchange contracts 0      
Total assets at fair value $ 0 $ 0 $ 0 $ 0