Description of Business and Summary of Significant Accounting Policies - Fair Value Reporting (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Total assets measured at fair value	$ 31,843	$ 32,453
Liabilities
Total liabilities measured at fair value	2,557	0
Contingent Accrued Earn-out Acquisition Consideration
Liabilities
Derivative liabilities	2,557	0
Certificates of Deposit
ASSETS
Available-for-sale securities	31,676	32,072
Mutual Funds
ASSETS
Available-for-sale securities	167	381
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
ASSETS
Total assets measured at fair value	167	381
Liabilities
Total liabilities measured at fair value	0	0
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) \| Contingent Accrued Earn-out Acquisition Consideration
Liabilities
Derivative liabilities	0	0
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) \| Certificates of Deposit
ASSETS
Available-for-sale securities	0	0
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) \| Mutual Funds
ASSETS
Available-for-sale securities	167	381
Significant Other Observable Inputs (Level 2)
ASSETS
Total assets measured at fair value	31,676	32,072
Liabilities
Total liabilities measured at fair value	0	0
Significant Other Observable Inputs (Level 2) \| Contingent Accrued Earn-out Acquisition Consideration
Liabilities
Derivative liabilities	0	0
Significant Other Observable Inputs (Level 2) \| Certificates of Deposit
ASSETS
Available-for-sale securities	31,676	32,072
Significant Other Observable Inputs (Level 2) \| Mutual Funds
ASSETS
Available-for-sale securities	0	0
Significant Unobservable Inputs (Level 3)
ASSETS
Total assets measured at fair value	0	0
Liabilities
Total liabilities measured at fair value	2,557	0
Significant Unobservable Inputs (Level 3) \| Contingent Accrued Earn-out Acquisition Consideration
Liabilities
Derivative liabilities	2,557	0
Significant Unobservable Inputs (Level 3) \| Certificates of Deposit
ASSETS
Available-for-sale securities	0	0
Significant Unobservable Inputs (Level 3) \| Mutual Funds
ASSETS
Available-for-sale securities	0	0
Recurring \| Certificates of Deposit
ASSETS
Available-for-sale securities	$ 6,300	$ 7,400

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