Investment Securities - Realized Gains and Losses on Securities Available-for-Sale (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Proceeds from sales of securities available-for-sale	$ 2,013,094	$ 367,348	$ 173,425
Available-for-sale Securities, Gross Realized Gains	6,032	1,680	13,222
Available-for-sale Securities, Gross Realized Losses	56,353	65	51
Realized Investment Gains	(50,321)	1,615	13,171
Available-for-sale Securities
Proceeds from sales of securities available-for-sale	$ 2,063,415	$ 365,733	$ 160,254

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).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of realized 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 inflow from sale 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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Amount of realized gain (loss) on investment.

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