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Allowance for Credit Losses (ACL) - Disaggregated analysis of the changes in allowance for credit losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Allowance for credit losses |  |  |
Balance at beginning of period | $ 456,573 | $ 356,444 | $ 356,444
Charge-offs | (7,940) | (4,627) | (40,648)
Recoveries | 5,261 | 3,589 |
Net (charge-offs) recoveries | (2,679) | (1,038) |
Provision (recovery) | 15,760 | 15,239 |
Balance at end of period | 469,654 | 370,645 | 456,573
Unfunded Commitment |  |  |
Allowance for credit losses |  |  |
Provision (recovery) | (3,100) | 17,900 |
Residential Mortgage Sr. |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 78,052 | 72,188 | 72,188
Charge-offs | (343) | (2) |
Recoveries | 123 | 294 |
Net (charge-offs) recoveries | (220) | 292 |
Provision (recovery) | 9,652 | 4,871 |
Balance at end of period | 87,484 | 77,351 | 78,052
Residential Mortgage Jr. |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 745 | 405 | 405
Recoveries | 39 | 5 |
Net (charge-offs) recoveries | 39 | 5 |
Provision (recovery) | 446 | (61) |
Balance at end of period | 1,230 | 349 | 745
HELOC |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 10,942 | 14,886 | 14,886
Charge-offs | (110) | (39) |
Recoveries | 292 | 245 |
Net (charge-offs) recoveries | 182 | 206 |
Provision (recovery) | 600 | (774) |
Balance at end of period | 11,724 | 14,318 | 10,942
Residential Construction |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 5,024 | 8,974 | 8,974
Charge-offs | (304) |  |
Recoveries | 7 | 72 |
Net (charge-offs) recoveries | (297) | 72 |
Provision (recovery) | (175) | 130 |
Balance at end of period | 4,552 | 9,176 | 5,024
Commercial Construction and Development |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 65,772 | 45,410 | 45,410
Charge-offs | (1,475) |  |
Recoveries | 1,007 | 258 |
Net (charge-offs) recoveries | (468) | 258 |
Provision (recovery) | (4,444) | 9,401 |
Balance at end of period | 60,860 | 55,069 | 65,772
Consumer |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 23,331 | 22,767 | 22,767
Charge-offs | (2,497) | (2,729) |
Recoveries | 1,125 | 584 |
Net (charge-offs) recoveries | (1,372) | (2,145) |
Provision (recovery) | 1,394 | 2,697 |
Balance at end of period | 23,353 | 23,319 | 23,331
Multifamily |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 13,766 | 3,684 | 3,684
Recoveries | 25 |  |
Net (charge-offs) recoveries | 25 |  |
Provision (recovery) | 3,221 | 1,823 |
Balance at end of period | 17,012 | 5,507 | 13,766
Municipal |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 900 | 849 | 849
Provision (recovery) | (24) | 30 |
Balance at end of period | 876 | 879 | 900
CRE Owner Occupied |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 71,580 | 58,083 | 58,083
Recoveries | 103 | 293 |
Net (charge-offs) recoveries | 103 | 293 |
Provision (recovery) | 914 | (835) |
Balance at end of period | 72,597 | 57,541 | 71,580
Non Owner Occupied CRE |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 137,055 | 78,485 | 78,485
Charge-offs | (71) | (51) |
Recoveries | 10 | 106 |
Net (charge-offs) recoveries | (61) | 55 |
Provision (recovery) | (2,296) | 3,933 |
Balance at end of period | 134,698 | 82,473 | 137,055
C & I |  |  |
Allowance for credit losses |  |  |
Balance at beginning of period | 49,406 | 50,713 | 50,713
Charge-offs | (3,140) | (1,806) |
Recoveries | 2,530 | 1,732 |
Net (charge-offs) recoveries | (610) | (74) |
Provision (recovery) | 6,472 | (5,976) |
Balance at end of period | $ 55,268 | $ 44,663 | $ 49,406

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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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