v3.25.2
Fair Value of Financial Instruments - Fair Value of Financial Instruments That Are Not Carried at Fair Value on a Recurring Basis (Details) - Nonrecurring - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents $ 163,057 $ 177,851
Other Long Term Investments 206,858 183,741
Mortgage Loans 38,204 38,879
Total Assets Measured at Fair Value 408,119 400,471
Long Term Debt 110,220 108,353
Total 110,220 108,353
Limited Liability Company    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other Long Term Investments 97,300  
Lloyd's syndicate investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other Long Term Investments 108,100  
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 163,057 177,851
Other Long Term Investments 0 0
Mortgage Loans 0 0
Total Assets Measured at Fair Value 163,057 177,851
Long Term Debt 0 0
Total 0 0
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 0 0
Other Long Term Investments 1,409 1,277
Mortgage Loans 0 0
Total Assets Measured at Fair Value 1,409 1,277
Long Term Debt 110,220 108,353
Total 110,220 108,353
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 0 0
Other Long Term Investments 0 0
Mortgage Loans 38,204 38,879
Total Assets Measured at Fair Value 38,204 38,879
Long Term Debt 0 0
Total 0 0
Net Asset Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 0 0
Other Long Term Investments 205,449 182,464
Mortgage Loans 0 0
Total Assets Measured at Fair Value 205,449 182,464
Long Term Debt 0 0
Total $ 0 $ 0