Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 129,660
Gross Unrealized Gains	0
Gross Unrealized Losses	(1,091)
Fair Value	128,569
Municipal Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	41,108
Gross Unrealized Gains	0
Gross Unrealized Losses	(331)
Fair Value	40,777
Corporate Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	83,547
Gross Unrealized Gains	0
Gross Unrealized Losses	(695)
Fair Value	82,852
U.S. Government Agency Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	5,005
Gross Unrealized Gains	0
Gross Unrealized Losses	(65)
Fair Value	4,940
Certificates of Deposit
Debt Securities, Available-for-Sale [Line Items]
Certificates of deposit	$ 6,601	$ 6,283

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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