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Loans and Allowance for Credit Losses - Age Analysis of Past Due Loans, Excluding Loans Acquired, Segregated by Class of Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | $ 16,142,124 | $ 12,012,503
90 Days Past Due & Accruing | 507 | 349
Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 38,416 | 20,722
90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 26,886 | 32,907
Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 65,302 | 53,629
Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 16,076,822 | 11,958,874
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 349,810 | 355,370
90 Days Past Due & Accruing | 225 | 247
Consumer | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,149 | 1,996
Consumer | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 623 | 543
Consumer | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,772 | 2,539
Consumer | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 347,038 | 352,831
Consumer | Credit cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 196,928 | 187,052
90 Days Past Due & Accruing | 225 | 247
Consumer | Credit cards | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 1,297 | 847
Consumer | Credit cards | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 409 | 413
Consumer | Credit cards | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 1,706 | 1,260
Consumer | Credit cards | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 195,222 | 185,792
Consumer | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 152,882 | 168,318
90 Days Past Due & Accruing | 0 | 0
Consumer | Other consumer | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 852 | 1,149
Consumer | Other consumer | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 214 | 130
Consumer | Other consumer | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 1,066 | 1,279
Consumer | Other consumer | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 151,816 | 167,039
Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 12,581,262 | 9,167,250
90 Days Past Due & Accruing | 106 | 102
Real Estate | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 31,061 | 13,901
Real Estate | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 18,618 | 22,170
Real Estate | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 49,679 | 36,071
Real Estate | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 12,531,583 | 9,131,179
Real Estate | Construction and development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,566,649 | 1,326,371
90 Days Past Due & Accruing | 0 | 0
Real Estate | Construction and development | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 4,677 | 114
Real Estate | Construction and development | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 443 | 504
Real Estate | Construction and development | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 5,120 | 618
Real Estate | Construction and development | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,561,529 | 1,325,753
Real Estate | Single family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,546,115 | 2,101,975
90 Days Past Due & Accruing | 106 | 102
Real Estate | Single family residential | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 23,625 | 11,313
Real Estate | Single family residential | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 11,075 | 9,398
Real Estate | Single family residential | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 34,700 | 20,711
Real Estate | Single family residential | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,511,415 | 2,081,264
Real Estate | Other commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 7,468,498 | 5,738,904
90 Days Past Due & Accruing | 0 | 0
Real Estate | Other commercial | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,759 | 2,474
Real Estate | Other commercial | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 7,100 | 12,268
Real Estate | Other commercial | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 9,859 | 14,742
Real Estate | Other commercial | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 7,458,639 | 5,724,162
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,837,913 | 2,160,760
90 Days Past Due & Accruing | 176 | 0
Commercial | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 5,145 | 4,825
Commercial | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 7,642 | 10,191
Commercial | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 12,787 | 15,016
Commercial | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,825,126 | 2,145,744
Commercial | Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,632,290 | 1,992,043
90 Days Past Due & Accruing | 176 | 0
Commercial | Commercial | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 5,034 | 4,812
Commercial | Commercial | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 7,575 | 10,074
Commercial | Commercial | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 12,609 | 14,886
Commercial | Commercial | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 2,619,681 | 1,977,157
Commercial | Agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 205,623 | 168,717
90 Days Past Due & Accruing | 0 | 0
Commercial | Agricultural | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 111 | 13
Commercial | Agricultural | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 67 | 117
Commercial | Agricultural | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 178 | 130
Commercial | Agricultural | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 205,445 | 168,587
Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 373,139 | 329,123
90 Days Past Due & Accruing | 0 | 0
Other | Gross 30-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 61 | 0
Other | 90 Days or More Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 3 | 3
Other | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 64 | 3
Other | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | $ 373,075 | $ 329,120

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