Commitments and Contingencies Summary of Amounts Reported in the Balance Sheet in Respect of Operating Lease Assets and Corresponding Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Assets:
Operating lease right-of-use assets	$ 4,937	$ 5,100
Current:
Operating lease liabilities	714	693
Noncurrent:
Operating lease liabilities, net of current portion	4,754	4,943
Total operating lease liabilities	$ 5,468	$ 5,636