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Loans and Allowance for Credit Losses - Schedule of Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | $ 366,335 | $ 300,555 | $ 307,610 | $ 303,671
Allowance Established for Acquired PCD Loans | 2,803 | 0 | 26,725 | 0
Charge-offs | (18,965) | (22,750) | (50,026) | (55,261)
Recoveries | 1,491 | 3,062 | 6,757 | 9,052
Provision for Loan Losses | 29,176 | 23,115 | 89,774 | 46,520
Balance at End of Period | 380,840 | 303,982 | 380,840 | 303,982
Commercial |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 138,460 | 127,403 | 118,333 | 120,612
Allowance Established for Acquired PCD Loans | 3,245 | 0 | 17,838 | 0
Charge-offs | (11,512) | (16,705) | (25,098) | (37,459)
Recoveries | 308 | 1,616 | 1,104 | 3,713
Provision for Loan Losses | 6,341 | 12,441 | 24,665 | 37,889
Balance at End of Period | 136,842 | 124,755 | 136,842 | 124,755
Commercial real estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 189,911 | 136,897 | 155,099 | 138,244
Allowance Established for Acquired PCD Loans | (442) | 0 | 8,041 | 0
Charge-offs | (2,799) | (2,291) | (12,541) | (5,938)
Recoveries | 214 | 102 | 1,791 | 1,394
Provision for Loan Losses | 18,015 | 10,267 | 52,509 | 11,275
Balance at End of Period | 204,899 | 144,975 | 204,899 | 144,975
BBCC |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 2,897 | 2,776 | 2,887 | 2,431
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 0
Charge-offs | (676) | (1,049) | (1,687) | (1,171)
Recoveries | 56 | 70 | 304 | 174
Provision for Loan Losses | 415 | 912 | 1,188 | 1,275
Balance at End of Period | 2,692 | 2,709 | 2,692 | 2,709
Residential real estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 23,135 | 20,421 | 20,837 | 21,916
Allowance Established for Acquired PCD Loans | 0 | 0 | 134 | 0
Charge-offs | 0 | (15) | 0 | (256)
Recoveries | 64 | 28 | 845 | 153
Provision for Loan Losses | (1,711) | 346 | (328) | (1,033)
Balance at End of Period | 21,488 | 20,780 | 21,488 | 20,780
Indirect |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 1,233 | 1,407 | 1,236 | 1,532
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 0
Charge-offs | (1,715) | (490) | (3,937) | (2,089)
Recoveries | 290 | 325 | 957 | 1,349
Provision for Loan Losses | 5,853 | 79 | 7,405 | 529
Balance at End of Period | 5,661 | 1,321 | 5,661 | 1,321
Direct |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 3,131 | 4,755 | 3,169 | 12,116
Allowance Established for Acquired PCD Loans | 0 | 0 | 59 | 0
Charge-offs | (2,137) | (2,180) | (6,449) | (8,018)
Recoveries | 475 | 580 | 1,527 | 1,798
Provision for Loan Losses | 958 | 416 | 4,121 | (2,325)
Balance at End of Period | 2,427 | 3,571 | 2,427 | 3,571
Home equity |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 7,568 | 6,896 | 6,049 | 6,820
Allowance Established for Acquired PCD Loans | 0 | 0 | 653 | 0
Charge-offs | (126) | (20) | (314) | (330)
Recoveries | 84 | 341 | 229 | 471
Provision for Loan Losses | (695) | (1,346) | 214 | (1,090)
Balance at End of Period | $ 6,831 | $ 5,871 | $ 6,831 | $ 5,871

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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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