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v3.23.3

Loans - Activity in the Allowance for Credit Losses on Loans by Portfolio Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Beginning balance |  |  | $ 227,621 |
Ending balance | $ 242,235 |  | 242,235 |
Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Beginning balance | 75,166 | $ 87,270 | 104,237 | $ 72,091
Credit loss, expense (reversal) | (623) | 10,844 | (18,903) | 29,347
Charge-offs | (943) | (572) | (14,259) | (5,918)
Recoveries | 707 | 1,288 | 3,232 | 3,310
Net charge-offs | (236) | 716 | (11,027) | (2,608)
Ending balance | 74,307 | 98,830 | 74,307 | 98,830
Commercial and Industrial Total Energy Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Beginning balance | 14,929 | 16,267 | 18,062 | 17,217
Credit loss, expense (reversal) | 1,784 | 2,491 | (1,683) | 874
Charge-offs | 0 | 0 | (518) | (371)
Recoveries | 353 | 93 | 1,205 | 1,131
Net charge-offs | 353 | 93 | 687 | 760
Ending balance | 17,066 | 18,851 | 17,066 | 18,851
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Beginning balance | 120,926 | 117,106 | 90,301 | 144,936
Credit loss, expense (reversal) | 5,424 | (16,522) | 35,918 | (44,363)
Charge-offs | (62) | 0 | (62) | (702)
Recoveries | 204 | 23 | 335 | 736
Net charge-offs | 142 | 23 | 273 | 34
Ending balance | 126,492 | 100,607 | 126,492 | 100,607
Total consumer real estate loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Beginning balance | 13,035 | 6,854 | 8,004 | 6,585
Credit loss, expense (reversal) | 2,130 | 940 | 7,235 | 1,497
Charge-offs | (170) | (68) | (1,500) | (430)
Recoveries | 44 | 309 | 1,300 | 383
Net charge-offs | (126) | 241 | (200) | (47)
Ending balance | 15,039 | 8,035 | 15,039 | 8,035
Consumer Loan [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Beginning balance | 9,563 | 12,135 | 7,017 | 7,837
Credit loss, expense (reversal) | 4,893 | (216) | 15,649 | 10,250
Charge-offs | (8,189) | (6,549) | (22,147) | (17,642)
Recoveries | 3,064 | 2,622 | 8,812 | 7,547
Net charge-offs | (5,125) | (3,927) | (13,335) | (10,095)
Ending balance | 9,331 | 7,992 | 9,331 | 7,992
Loans Receivable [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Beginning balance | 233,619 | 239,632 | 227,621 | 248,666
Credit loss, expense (reversal) | 13,608 | (2,463) | 38,216 | (2,395)
Charge-offs | (9,364) | (7,189) | (38,486) | (25,063)
Recoveries | 4,372 | 4,335 | 14,884 | 13,107
Net charge-offs | (4,992) | (2,854) | (23,602) | (11,956)
Ending balance | $ 242,235 | $ 234,315 | $ 242,235 | $ 234,315

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