Investments - Amortized Cost and Fair Value of Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Amortized Cost
Due in one year or less	$ 27,913
Due after one year through five years	31,760
Due after five years through ten years	26,597
Due after ten years	8,575
Amortized Cost	123,011	$ 97,812
Fair Value
Due in one year or less	27,785
Due after one year through five years	29,980
Due after five years through ten years	23,797
Due after ten years	7,664
Fair Value	115,368	91,641
Residential and commercial mortgage-backed securities
Amortized Cost
Without single maturity date	24,175
Amortized Cost	24,173	12,790
Fair Value
Without single maturity date	22,528
Fair Value	22,528	11,533
Other loan-backed and structured securities
Amortized Cost
Without single maturity date	3,991
Amortized Cost	3,990	6,804
Fair Value
Without single maturity date	3,614
Fair Value	$ 3,614	$ 6,334

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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