Investments - Additional Information (Detail) $ in Thousands	Jun. 30, 2023 USD ($) Security	Dec. 31, 2022 Security
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year | Security	69	60
Unrealized losses, other-than-temporary impairments | $	$ 0