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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Allowance for Loan and Lease Losses and Recorded Investment Excluding Accrued Interest in Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Dec. 31, 2017 | Jun. 30, 2017
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | $ 54,763 | $ 49,333 | $ 42,736 | $ 49,333 | $ 40,444 |  |  |
Charge-offs | (950) |  | (2,898) | (15,589) | (3,255) |  |  |
Recoveries | 212 |  | 44 | 782 | 110 |  |  |
Provision | 2,653 |  | 2,503 | 22,152 | 5,086 |  |  |
Balance at end of period | 56,678 | 54,763 | 42,385 | 56,678 | 42,385 |  |  |
Individually evaluated for impairment |  |  |  |  |  | $ 1,188 |  | $ 424
Collectively evaluated for impairment |  |  |  |  |  | 55,490 |  | 41,937
Total ending ALLL balance | 54,763 | 49,333 | 42,736 | 49,333 | 40,444 | 56,678 | $ 49,333 | 42,385
Loans: |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 27,365 |  | 10,844
Collectively evaluated for impairment |  |  |  |  |  | 7,008,639 |  | 5,941,192
Total ending loan balances |  |  |  |  |  | 7,036,004 | 6,659,407 | 5,956,337
Purchased Credit Impaired |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at end of period |  |  | 24 |  | 24 |  |  |
Total ending ALLL balance |  |  | 24 |  | 24 |  |  | 24
Loans: |  |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  |  |  |  | 4,301
Commercial | Commercial and industrial |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 17,571 | 14,280 | 10,888 | 14,280 | 7,584 |  |  |
Charge-offs | (276) |  | (132) | (347) | (382) |  |  |
Recoveries | 36 |  | 0 | 97 | 0 |  |  |
Provision | (467) |  | (261) | 2,834 | 3,293 |  |  |
Balance at end of period | 16,864 | 17,571 | 10,495 | 16,864 | 10,495 |  |  |
Individually evaluated for impairment |  |  |  |  |  | 595 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 16,269 |  | 10,495
Total ending ALLL balance | 17,571 | 14,280 | 10,888 | 14,280 | 7,584 | 16,864 | 14,280 | 10,495
Loans: |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 5,829 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 1,736,730 |  | 1,560,264
Total ending loan balances |  |  |  |  |  | 1,742,559 | 1,701,951 | 1,560,916
Commercial | Commercial and industrial | Purchased Credit Impaired |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at end of period |  |  | 0 |  | 0 |  |  |
Total ending ALLL balance |  |  | 0 |  | 0 |  |  | 0
Loans: |  |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  |  |  |  | 652
Commercial | Commercial real estate |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 5,417 | 4,971 | 4,543 | 4,971 | 5,467 |  |  |
Charge-offs | 0 |  | (113) | 0 | (113) |  |  |
Recoveries | 0 |  | 0 | 0 | 0 |  |  |
Provision | 315 |  | 696 | 761 | (228) |  |  |
Balance at end of period | 5,732 | 5,417 | 5,126 | 5,732 | 5,126 |  |  |
Individually evaluated for impairment |  |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 5,732 |  | 5,121
Total ending ALLL balance | 5,417 | 4,971 | 4,543 | 4,971 | 5,467 | 5,732 | 4,971 | 5,126
Loans: |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 793,855 |  | 715,650
Total ending loan balances |  |  |  |  |  | 793,855 | 717,415 | 716,771
Commercial | Commercial real estate | Purchased Credit Impaired |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at end of period |  |  | 5 |  | 5 |  |  |
Total ending ALLL balance |  |  | 5 |  | 5 |  |  | 5
Loans: |  |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  |  |  |  | 1,121
Commercial | Multifamily |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 14,219 | 13,265 | 11,029 | 13,265 | 11,376 |  |  |
Charge-offs | (8) |  | 0 | (8) | 0 |  |  |
Recoveries | 0 |  | 0 | 0 | 0 |  |  |
Provision | 419 |  | (343) | 1,373 | (690) |  |  |
Balance at end of period | 14,630 | 14,219 | 10,686 | 14,630 | 10,686 |  |  |
Individually evaluated for impairment |  |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 14,630 |  | 10,686
Total ending ALLL balance | 14,219 | 13,265 | 11,029 | 13,265 | 11,376 | 14,630 | 13,265 | 10,686
Loans: |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 1,959,965 |  | 1,545,888
Total ending loan balances |  |  |  |  |  | 1,959,965 | 1,816,141 | 1,545,888
Commercial | Multifamily | Purchased Credit Impaired |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at end of period |  |  | 0 |  | 0 |  |  |
Total ending ALLL balance |  |  | 0 |  | 0 |  |  | 0
Loans: |  |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  |  |  |  | 0
Commercial | SBA |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 1,577 | 1,701 | 1,146 | 1,701 | 939 |  |  |
Charge-offs | (302) |  | (293) | (683) | (293) |  |  |
Recoveries | 167 |  | 31 | 232 | 74 |  |  |
Provision | 398 |  | 200 | 590 | 364 |  |  |
Balance at end of period | 1,840 | 1,577 | 1,084 | 1,840 | 1,084 |  |  |
Individually evaluated for impairment |  |  |  |  |  | 124 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 1,716 |  | 1,065
Total ending ALLL balance | 1,577 | 1,701 | 1,146 | 1,701 | 939 | 1,840 | 1,701 | 1,084
Loans: |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 646 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 77,446 |  | 74,726
Total ending loan balances |  |  |  |  |  | 78,092 | 78,699 | 77,254
Commercial | SBA | Purchased Credit Impaired |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at end of period |  |  | 19 |  | 19 |  |  |
Total ending ALLL balance |  |  | 19 |  | 19 |  |  | 19
Loans: |  |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  |  |  |  | 2,528
Commercial | Construction |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 3,220 | 3,318 | 3,018 | 3,318 | 2,015 |  |  |
Charge-offs | 0 |  | (29) | 0 | (29) |  |  |
Recoveries | 0 |  | 0 | 0 | 0 |  |  |
Provision | 199 |  | (15) | 101 | 988 |  |  |
Balance at end of period | 3,419 | 3,220 | 2,974 | 3,419 | 2,974 |  |  |
Individually evaluated for impairment |  |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 3,419 |  | 2,974
Total ending ALLL balance | 3,220 | 3,318 | 3,018 | 3,318 | 2,015 | 3,419 | 3,318 | 2,974
Loans: |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 211,110 |  | 156,246
Total ending loan balances |  |  |  |  |  | 211,110 | 182,960 | 156,246
Commercial | Construction | Purchased Credit Impaired |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at end of period |  |  | 0 |  | 0 |  |  |
Total ending ALLL balance |  |  | 0 |  | 0 |  |  | 0
Loans: |  |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  |  |  |  | 0
Commercial | Lease financing |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 0 | 0 | 5 | 0 | 6 |  |  |
Charge-offs | 0 |  | 0 | 0 | 0 |  |  |
Recoveries | 5 |  | 10 | 9 | 29 |  |  |
Provision | (5) |  | (12) | (9) | (32) |  |  |
Balance at end of period | 0 | 0 | 3 | 0 | 3 |  |  |
Individually evaluated for impairment |  |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 0 |  | 3
Total ending ALLL balance | 0 | 0 | 5 | 0 | 6 | 0 | 0 | 3
Loans: |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 0 |  | 173
Total ending loan balances |  |  |  |  |  | 0 | 13 | 173
Commercial | Lease financing | Purchased Credit Impaired |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at end of period |  |  | 0 |  | 0 |  |  |
Total ending ALLL balance |  |  | 0 |  | 0 |  |  | 0
Loans: |  |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  |  |  |  | 0
Consumer | Single Family Residential Mortgage |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 11,969 | 10,996 | 11,240 | 10,996 | 12,075 |  |  |
Charge-offs | (364) |  | (2,331) | (479) | (2,412) |  |  |
Recoveries | 0 |  | 0 | 436 | 1 |  |  |
Provision | 1,631 |  | 2,100 | 2,283 | 1,345 |  |  |
Balance at end of period | 13,236 | 11,969 | 11,009 | 13,236 | 11,009 |  |  |
Individually evaluated for impairment |  |  |  |  |  | 461 |  | 424
Collectively evaluated for impairment |  |  |  |  |  | 12,775 |  | 10,585
Total ending ALLL balance | 11,969 | 10,996 | 11,240 | 10,996 | 12,075 | 13,236 | 10,996 | 11,009
Loans: |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 20,140 |  | 9,971
Collectively evaluated for impairment |  |  |  |  |  | 2,154,043 |  | 1,768,565
Total ending loan balances |  |  |  |  |  | 2,174,183 |  | 1,778,536
Consumer | Single Family Residential Mortgage | Purchased Credit Impaired |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at end of period |  |  | 0 |  | 0 |  |  |
Total ending ALLL balance |  |  | 0 |  | 0 |  |  | 0
Loans: |  |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  |  |  |  | 0
Consumer | Other Consumer |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 790 | 802 | 867 | 802 | 982 |  |  |
Charge-offs | 0 |  | 0 | (14,072) | (26) |  |  |
Recoveries | 4 |  | 3 | 8 | 6 |  |  |
Provision | 163 |  | 138 | 14,219 | 46 |  |  |
Balance at end of period | 957 | 790 | 1,008 | 957 | 1,008 |  |  |
Individually evaluated for impairment |  |  |  |  |  | 8 |  | 0
Collectively evaluated for impairment |  |  |  |  |  | 949 |  | 1,008
Total ending ALLL balance | $ 790 | $ 802 | 867 | $ 802 | 982 | 957 | $ 802 | 1,008
Loans: |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  | 750 |  | 873
Collectively evaluated for impairment |  |  |  |  |  | 75,490 |  | 119,680
Total ending loan balances |  |  |  |  |  | $ 76,240 |  | 120,553
Consumer | Other Consumer | Purchased Credit Impaired |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |
Balance at end of period |  |  | 0 |  | 0 |  |  |
Total ending ALLL balance |  |  | $ 0 |  | $ 0 |  |  | 0
Loans: |  |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  |  |  |  | $ 0

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + 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)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + 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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