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LOAN PORTFOLIO - Loan Restructuring and Effect on Allowance for Loan and Lease Losses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Loans And Leases Receivable Disclosure [Abstract] |  |  |  |
Beginning balance | $ 183,732 | $ 225,856 | $ 196,362 | $ 231,843
Charges to the provision for loan losses | 12,534 | 19,536 | 24,354 | 40,080
Amount charged-off | 27,913 | 27,696 | 56,273 | 57,056
Ending balance | 172,011 | 222,035 | 172,011 | 222,035
Entity Loan Modification Program [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Abstract] |  |  |  |
Beginning Balance of TDRs | 589,795 | 572,376 | 582,647 | 587,219
New TDRs loans splits | 6,961 | 13,228 | 32,420 | 56,647
Paid-off and partial payments | (9,344) | (16,108) | (22,366) | (34,927)
Ending balance of TDRs | 582,389 | 557,196 | 582,389 | 557,196
Entity Loan Modification Program [Member] | Ab Note Restructure Workout Strategy [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Abstract] |  |  |  |
Beginning Balance of TDRs |  |  | 33,840 | 35,577
New TDRs loans splits |  |  | 20,059 | 29,601
Paid-off and partial payments |  |  | (683) | (619)
Ending balance of TDRs | 53,216 | 64,559 | 53,216 | 64,559
Loans And Leases Receivable Disclosure [Abstract] |  |  |  |
Beginning balance |  |  | 473 | 3,846
Charges to the provision for loan losses |  |  | 1,106 | 1,902
Amount charged-off |  |  | 0 | (1,137)
Ending balance | $ 1,579 | $ 4,611 | $ 1,579 | $ 4,611

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- Definition Recorded investment in loans that were modified under troubled debt restructurings during the period. + References No definition available. + Details
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- Definition Repayments related to Trouble Debt Restructuring Loans. + References No definition available. + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + 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)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 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 (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 Reference 4: 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 http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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