Description of Business and Summary of Significant Accounting Policies - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Total assets measured at fair value	$ 25,540	$ 37,532
Liabilities
Contingent accrued earn-out acquisition consideration	2,285	2,299
Total liabilities measured at fair value	2,285	2,299
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
Assets
Total assets measured at fair value	115	98
Liabilities
Contingent accrued earn-out acquisition consideration	0	0
Total liabilities measured at fair value	0	0
Significant Other Observable Inputs (Level 2)
Assets
Total assets measured at fair value	25,425	37,434
Liabilities
Contingent accrued earn-out acquisition consideration	0	0
Total liabilities measured at fair value	0	0
Significant Unobservable Inputs (Level 3)
Assets
Total assets measured at fair value	0	0
Liabilities
Contingent accrued earn-out acquisition consideration	2,285	2,299
Total liabilities measured at fair value	2,285	2,299
Certificates of Deposit
Assets
Available-for-sale Securities	25,425	37,434
Certificates of Deposit | Fair Value, Recurring
Assets
Available-for-sale Securities	6,200	6,400
Certificates of Deposit | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
Assets
Available-for-sale Securities	0	0
Certificates of Deposit | Significant Other Observable Inputs (Level 2)
Assets
Available-for-sale Securities	25,425	37,434
Certificates of Deposit | Significant Unobservable Inputs (Level 3)
Assets
Available-for-sale Securities	0	0
Mutual funds
Assets
Available-for-sale Securities	115	98
Mutual funds | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
Assets
Available-for-sale Securities	115	98
Mutual funds | Significant Other Observable Inputs (Level 2)
Assets
Available-for-sale Securities	0	0
Mutual funds | Significant Unobservable Inputs (Level 3)
Assets
Available-for-sale Securities	$ 0	$ 0