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Loans and Allowance for Credit Losses - Schedule of Types of Collateral (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	$ 29,553,648	$ 13,601,846
Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	166,491	70,984
Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	25,686	15,147
Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	3,489	4,399
Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	2,619	2,906
Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	8,427	6,975
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	8,923,983	3,391,769
Commercial | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	11,766	8,100
Commercial | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	25,147	13,816
Commercial | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	2,545	3,394
Commercial | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	57	80
Commercial | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,843	302
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	11,796,503	6,380,674
Commercial real estate | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	108,312	38,657
Commercial real estate | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Commercial real estate | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	917	961
Commercial real estate | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Commercial real estate | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	6,563	6,653
BBCC | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,364	1,895
BBCC | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	539	1,331
BBCC | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	26	43
BBCC | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	28	93
BBCC | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Residential real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	6,079,057	2,255,289
Residential real estate | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	31,862	18,360
Residential real estate | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Residential real estate | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Residential real estate | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Residential real estate | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Indirect
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	981,741	873,139
Indirect | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Indirect | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Indirect | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Indirect | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	2,262	2,581
Indirect | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Direct
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	674,512	140,385
Direct | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,810	724
Direct | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Direct | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1	1
Direct | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	272	152
Direct | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	21	20
Home equity
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,097,852	560,590
Home equity | Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	11,377	3,248
Home equity | Blanket Lien
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Home equity | Investment Securities/Cash
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Home equity | Auto
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0	0
Home equity | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	$ 0	$ 0

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
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-Publisher FASB
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