Investments - Schedule of Available for Sale Investment Purchases, Proceeds and Gains & Losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Investments, Debt and Equity Securities [Abstract]
Purchases of AFS securities	$ 12,395	$ 142,420	$ 138,738	$ 285,151
Proceeds from maturities, calls and prepayments of AFS securities	13,689	16,616	51,328	51,245
Gross proceeds from sales of AFS securities	0	29,713	16,970	62,902
Gross realized gains	0	303	74	625
Gross realized (losses)	0	(7)	(184)	(9)
Total net realized gains (losses) from investment sales and redemptions	$ 0	$ 296	$ (110)	$ 616

Amount of realized gain 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 of realized gain (loss) 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 of cash outflow to acquire 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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