Summary of Operating Loss Carryforwards (Detail) $ in Thousands	Dec. 31, 2021 USD ($)
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	$ 861
Foreign Operating Loss Carryforwards	860
2022
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	144
Foreign Operating Loss Carryforwards	53
2023
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	208
2024
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	51
2025
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	4
2026
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	0
2027-2031
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	361
Foreign Operating Loss Carryforwards	173
2032-2036
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	58
Foreign Operating Loss Carryforwards	13
Beyond 2036
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	22
Non-Expiring
Operating Loss Carryforwards [Line Items]
U.S. Federal Operating Loss Carryforwards	13
Foreign Operating Loss Carryforwards	$ 621