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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | $ 298,711 | $ 280,507 | $ 303,671 | $ 107,341
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 78,531
Charge-offs | (14,331) | (4,096) | (32,511) | (8,760)
Recoveries | 4,239 | 2,338 | 5,990 | 4,228
Provision for Loan Losses | 11,936 | 9,254 | 23,405 | 106,663
Balance at End of Period | 300,555 | 288,003 | 300,555 | 288,003
Commercial |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 125,768 | 99,471 | 120,612 | 27,232
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 35,040
Charge-offs | (8,331) | (1,344) | (20,754) | (3,223)
Recoveries | 1,814 | 781 | 2,097 | 1,013
Provision for Loan Losses | 8,152 | 3,911 | 25,448 | 42,757
Balance at End of Period | 127,403 | 102,819 | 127,403 | 102,819
Commercial real estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 135,348 | 140,490 | 138,244 | 64,004
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 42,601
Charge-offs | (2,458) | (318) | (3,647) | (824)
Recoveries | 1,029 | 320 | 1,292 | 502
Provision for Loan Losses | 2,978 | 1,310 | 1,008 | 35,519
Balance at End of Period | 136,897 | 141,802 | 136,897 | 141,802
BBCC |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 2,316 | 2,069 | 2,431 | 2,458
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 0
Charge-offs | (94) | (20) | (122) | (48)
Recoveries | 31 | 91 | 104 | 148
Provision for Loan Losses | 523 | (76) | 363 | (494)
Balance at End of Period | 2,776 | 2,064 | 2,776 | 2,064
Residential real estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 20,207 | 17,252 | 21,916 | 9,347
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 136
Charge-offs | (218) | (137) | (241) | (324)
Recoveries | 53 | 130 | 125 | 570
Provision for Loan Losses | 379 | 2,484 | (1,379) | 10,000
Balance at End of Period | 20,421 | 19,729 | 20,421 | 19,729
Indirect |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 1,434 | 1,648 | 1,532 | 1,743
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 0
Charge-offs | (402) | (528) | (1,599) | (1,012)
Recoveries | 612 | 320 | 1,024 | 542
Provision for Loan Losses | (237) | 201 | 450 | 368
Balance at End of Period | 1,407 | 1,641 | 1,407 | 1,641
Direct |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 6,766 | 14,450 | 12,116 | 528
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 31
Charge-offs | (2,600) | (1,722) | (5,838) | (3,251)
Recoveries | 637 | 676 | 1,218 | 1,270
Provision for Loan Losses | (48) | 1,008 | (2,741) | 15,834
Balance at End of Period | 4,755 | 14,412 | 4,755 | 14,412
Home equity |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Balance at Beginning of Period | 6,872 | 5,127 | 6,820 | 2,029
Allowance Established for Acquired PCD Loans | 0 | 0 | 0 | 723
Charge-offs | (228) | (27) | (310) | (78)
Recoveries | 63 | 20 | 130 | 183
Provision for Loan Losses | 189 | 416 | 256 | 2,679
Balance at End of Period | $ 6,896 | $ 5,536 | $ 6,896 | $ 5,536

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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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