Investment Securities - Summary of Available-For-Sale Investment Securities Held by the Company (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost	$ 257,443	$ 305,684
Available-for-sale investment securities, Gross Unrealized Gains	19	12
Available-for-sale investment securities, Gross Unrealized Losses	(2,533)	(3,943)
Available-for-sale investment securities, Fair Market Value	254,929	301,753
U.S. Government and Agency Obligations [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost	127,343	154,228
Available-for-sale investment securities, Gross Unrealized Gains	19	12
Available-for-sale investment securities, Gross Unrealized Losses	(888)	(1,510)
Available-for-sale investment securities, Fair Market Value	126,474	152,730
Certificates of Deposit [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost	4,156	4,629
Available-for-sale investment securities, Gross Unrealized Gains	0	0
Available-for-sale investment securities, Gross Unrealized Losses	(80)	(94)
Available-for-sale investment securities, Fair Market Value	4,076	4,535
Corporate Debt Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost	125,944	145,330
Available-for-sale investment securities, Gross Unrealized Gains	0	0
Available-for-sale investment securities, Gross Unrealized Losses	(1,565)	(2,336)
Available-for-sale investment securities, Fair Market Value	$ 124,379	142,994
Asset-backed securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale investment securities, Amortized Cost		1,497
Available-for-sale investment securities, Gross Unrealized Gains		0
Available-for-sale investment securities, Gross Unrealized Losses		(3)
Available-for-sale investment securities, Fair Market Value		$ 1,494

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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Amount, before tax, of unrealized loss 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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Amortized cost of 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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