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Loans - Summary of Allowance for Loan Losses by Portfolio Class and Category (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Allowance for Loan Losses [Roll Forward] |  |  |
Charge-offs | $ (43,215) |  |
Commercial and industrial |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Charge-offs | (35,789) |  |
Commercial - investor owned |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Charge-offs | (4,869) |  |
Construction and land development |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Charge-offs | (9) |  |
Other |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Charge-offs | (793) |  |
Non-Covered Loans |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance, beginning of year | 136,932 | $ 145,041 | $ 136,671
Provision (benefit) for credit losses | 35,883 | (4,210) | 12,993
Initial Allowance on Acquired PCD Loans |  |  | 7,006
Charge-offs | (43,215) | (9,393) | (17,185)
Recoveries | 5,171 | 5,494 | 5,556
Balance, end of year | 134,771 | 136,932 | 145,041
Non-Covered Loans | Commercial and industrial |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance, beginning of year | 53,835 | 63,825 | 58,812
Provision (benefit) for credit losses | 38,308 | (6,121) | 14,361
Initial Allowance on Acquired PCD Loans |  |  | 1,077
Charge-offs | (36,302) | (6,082) | (12,113)
Recoveries | 3,045 | 2,213 | 1,688
Balance, end of year | 58,886 | 53,835 | 63,825
Non-Covered Loans | Commercial - investor owned |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance, beginning of year | 36,191 | 35,877 | 32,062
Provision (benefit) for credit losses | (335) | 46 | 568
Initial Allowance on Acquired PCD Loans |  |  | 3,651
Charge-offs | (4,869) | (478) | (2,487)
Recoveries | 293 | 746 | 2,083
Balance, end of year | 31,280 | 36,191 | 35,877
Non-Covered Loans | CRE - owner occupied |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance, beginning of year | 22,752 | 17,560 | 17,012
Provision (benefit) for credit losses | 523 | 4,867 | (550)
Initial Allowance on Acquired PCD Loans |  |  | 1,504
Charge-offs | 0 | (395) | (602)
Recoveries | 130 | 720 | 196
Balance, end of year | 23,405 | 22,752 | 17,560
Non-Covered Loans | Construction and land development |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance, beginning of year | 11,444 | 14,536 | 21,413
Provision (benefit) for credit losses | (1,300) | (3,145) | (7,365)
Initial Allowance on Acquired PCD Loans |  |  | 37
Charge-offs | (9) | 0 | (3)
Recoveries | 63 | 53 | 454
Balance, end of year | 10,198 | 11,444 | 14,536
Non-Covered Loans | Residential real estate |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance, beginning of year | 7,928 | 7,927 | 4,585
Provision (benefit) for credit losses | (2,109) | 540 | 3,900
Initial Allowance on Acquired PCD Loans |  |  | 0
Charge-offs | (656) | (2,068) | (1,521)
Recoveries | 979 | 1,529 | 963
Balance, end of year | 6,142 | 7,928 | 7,927
Non-Covered Loans | Other |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |
Balance, beginning of year | 4,782 | 5,316 | 2,787
Provision (benefit) for credit losses | 796 | (397) | 2,079
Initial Allowance on Acquired PCD Loans |  |  | 737
Charge-offs | (1,379) | (370) | (459)
Recoveries | 661 | 233 | 172
Balance, end of year | $ 4,860 | $ 4,782 | $ 5,316

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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