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ALLOWANCE FOR CREDIT LOSSES ON LOANS AND FINANCE LOSSES - Activity in ACL on loans and finance leases (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | $ 260,464 | $ 269,030
Provision for credit losses - (benefit) expense | 16,256 | (16,989)
Charge-offs | (17,917) | (12,715)
Recoveries | 4,648 | 6,121
Ending balance | 265,567 | 245,447
Accounting Standard Update 2022-02 [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 2,116 |
Residential Portfolio Segment [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 62,760 | 74,837
Provision for credit losses - (benefit) expense | 73 | (4,871)
Charge-offs | (983) | (2,528)
Recoveries | 497 | 1,382
Ending balance | 64,403 | 68,820
Residential Portfolio Segment [Member] | Accounting Standard Update 2022-02 [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 2,056 |
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 32,906 | 34,284
Provision for credit losses - (benefit) expense | (1,650) | 1,755
Charge-offs | (118) | (290)
Recoveries | 90 | 1,035
Ending balance | 31,235 | 36,784
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Accounting Standard Update 2022-02 [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 7 |
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 35,064 | 52,771
Provision for credit losses - (benefit) expense | 1,246 | (22,640)
Charge-offs | (18) | (37)
Recoveries | 168 | 44
Ending balance | 36,460 | 30,138
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Accounting Standard Update 2022-02 [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 0 |
Commercial Portfolio Segment [Member] | Construction Loans [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 2,308 | 4,048
Provision for credit losses - (benefit) expense | 860 | (2,214)
Charge-offs | 0 | (44)
Recoveries | 63 | 52
Ending balance | 3,231 | 1,842
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Accounting Standard Update 2022-02 [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 0 |
Consumer Portfolio Segment [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | 127,426 | 103,090
Provision for credit losses - (benefit) expense | 15,727 | 10,981
Charge-offs | (16,798) | (9,816)
Recoveries | 3,830 | 3,608
Ending balance | 130,238 | $ 107,863
Consumer Portfolio Segment [Member] | Accounting Standard Update 2022-02 [Member] |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Beginning balance | $ 53 |

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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (c) Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) + Details
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- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 + Details
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