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Investments and Fair Value Instruments - Summary of Fair Value of Investments Securities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Assets at Fair Value    
Total Assets at Fair Value $ 20,501 $ 18,620
Money Market Funds [Member]    
Assets at Fair Value    
Cash equivalents 20,501 18,620
Level 1 [Member]    
Assets at Fair Value    
Total Assets at Fair Value 20,501 18,620
Level 1 [Member] | Money Market Funds [Member]    
Assets at Fair Value    
Cash equivalents 20,501 18,620
Level 2 [Member]    
Assets at Fair Value    
Total Assets at Fair Value 0 0
Level 2 [Member] | Money Market Funds [Member]    
Assets at Fair Value    
Cash equivalents 0 0
Level 3 [Member]    
Assets at Fair Value    
Total Assets at Fair Value 0 0
Level 3 [Member] | Money Market Funds [Member]    
Assets at Fair Value    
Cash equivalents $ 0 $ 0