Investments - Additional Information (Details) $ in Thousands	6 Months Ended
Jun. 30, 2021 USD ($) Security	Dec. 31, 2020 USD ($) Security
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Debt Securities	$ 40,166	$ 36,254
Number of securities in unrealized loss position \| Security	20	3
Proceeds from sale of investment in fixed maturity securities	$ 5,400
Proceeds from Sale of Other Investments	6,900
Investments on deposit with the state insurance department	4,200
U.S. Treasury securities, obligations of U.S. Government agencies and municipalities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Debt Securities	31,678	$ 28,831
U.S. Treasury securities, obligations of U.S. Government agencies and municipalities \| Short-term Investments
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Debt Securities	7,600	11,300
U.S. Treasury securities, obligations of U.S. Government agencies and municipalities \| Bank Time Deposits
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Debt Securities	5,500	7,000
Corporate Debt Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale Debt Securities	$ 8,488	$ 7,423

Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements.

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