v3.26.1
Investments - Schedule of Offsetting Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Offsetting Assets [Line Items]    
Derivative Assets Subject to Master Netting Agreement $ 40 $ 0
Derivatives Available for Offset 0 0
Non-cash Collateral Received 0 0
Cash Collateral Received 0 0
Net Amount of Derivative Assets 40 0
Derivative Liabilities Subject to Master Netting Agreement 0 (40)
Derivatives Available for Offset 0 0
Non-cash Collateral Received 0 0
Cash Collateral Received 0 0
Net Amount of Derivative Liabilities 0 (40)
Zions Bancorporation, N.A.    
Offsetting Assets [Line Items]    
Derivative Assets Subject to Master Netting Agreement 40 0
Derivatives Available for Offset 0 0
Non-cash Collateral Received 0 0
Cash Collateral Received 0 0
Net Amount of Derivative Assets 40 0
Derivative Liabilities Subject to Master Netting Agreement 0 (40)
Derivatives Available for Offset 0 0
Non-cash Collateral Received 0 0
Cash Collateral Received 0 0
Net Amount of Derivative Liabilities $ 0 $ (40)