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Loans and Allowance for Credit Losses - Schedule of Types of Collateral (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	$ 31,123,641	$ 13,601,846
Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	168,623	70,984
Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	43,245	15,147
Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	4,408	4,399
Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	5,085	2,906
Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	7,414	6,975
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	9,508,904	3,391,769
Commercial | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	8,962	8,100
Commercial | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	42,754	13,816
Commercial | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	2,690	3,394
Commercial | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	1,611	80
Commercial | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	980	302
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	12,457,070	6,380,674
Commercial real estate | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	108,871	38,657
Commercial real estate | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Commercial real estate | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	1,718	961
Commercial real estate | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Commercial real estate | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	6,411	6,653
BBCC | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	1,939	1,895
BBCC | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	478	1,331
BBCC | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	43
BBCC | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	12	93
BBCC | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Residential real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	6,460,441	2,255,289
Residential real estate | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	34,660	18,360
Residential real estate | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Residential real estate | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Residential real estate | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Residential real estate | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Indirect
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	1,034,257	873,139
Indirect | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Indirect | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Indirect | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Indirect | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	3,230	2,581
Indirect | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Direct
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	629,186	140,385
Direct | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	2,991	724
Direct | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	13	0
Direct | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	1
Direct | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	232	152
Direct | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	23	20
Home equity
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	1,033,783	560,590
Home equity | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	11,200	3,248
Home equity | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Home equity | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Home equity | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	0	0
Home equity | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans, net of unearned income	$ 0	$ 0

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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