Investments - Estimated Fair Value of Contractual Maturities - Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date [Abstract]
Maturing within one year (remainder of year), Amortized Cost	$ 1,225
Maturing within one year	0
Maturing after one year through five years	1,880
Maturing after five years through ten years	17,096
Maturing after ten years	37,327
Securities not due at a single maturity date, Amortized Cost	103,889
Amortized Cost	161,417
Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract]
Maturing within one year, Fair Value	1,227
Maturing within one year, Fair Value	0
Maturing after one year through five years, Fair Value	1,850
Maturing after five years through ten years, Fair Value	15,925
Maturing after ten years, Fair Value	32,263
Securities not due at a single maturity date, Fair Value	95,882
Estimated Fair Value	$ 147,147	$ 0

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No definition available.

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- Definition

Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.