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Equity Investments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Net Investment Income [Line Items]
Equity investments with readily determinable fair value	$ 42,324		$ 42,324		$ 57,860
Proceeds from Sale of Equity Securities, FV-NI	20,600		20,600
Realized gain (loss) recorded on equity investments sold	375	$ 0	(1,354)	$ 0
Equity investments without readily determinable fair values	38,000		38,000		31,037
Equity investments without readily determinable fair values, impairment	0	$ 0	0	$ 0
Mutual funds
Net Investment Income [Line Items]
Equity investments with readily determinable fair value	4,300		4,300		26,800
Correspondent bank stock
Net Investment Income [Line Items]
Equity investments without readily determinable fair values	370		370		370
CDFI investments
Net Investment Income [Line Items]
Equity investments without readily determinable fair values	1,000		1,000		1,000
CRA investments
Net Investment Income [Line Items]
Equity investments without readily determinable fair values	$ 36,700		$ 36,700		$ 29,700

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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