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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, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Dec. 31, 2015 | Jun. 30, 2015
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | $ 35,845 | $ 29,345 | $ 35,533 | $ 29,480 |  |  |
Charge-offs | (772) | (79) | (874) | (436) |  |  |
Recoveries | 641 | 47 | 734 | 269 |  |  |
Provision | 1,769 | 5,474 | 2,090 | 5,474 |  |  |
Balance at end of period | 37,483 | 34,787 | 37,483 | 34,787 |  |  |
Individually evaluated for impairment |  |  |  |  | $ 1,346 |  | $ 686
Collectively evaluated for impairment |  |  |  |  | 36,033 |  | 33,895
Total ending ALLL balance | 35,845 | 29,345 | 35,533 | 29,480 | 37,483 | $ 35,533 | 34,787
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 38,848 |  | 31,799
Collectively evaluated for impairment |  |  |  |  | 5,446,023 |  | 4,174,924
Total ending loan balances |  |  |  |  | 6,236,115 | 5,184,394 | 4,473,095
Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 104 | 206 | 104 | 206 |  |  |
Total ending ALLL balance | 104 | 206 | 104 | 206 | 104 |  | 206
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 751,244 | 712,731 | 266,372
Single Family Residential Mortgage |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period |  |  | 13,854 |  |  |  |
Charge-offs |  |  | (149) |  |  |  |
Recoveries |  |  | 0 |  |  |  |
Balance at end of period | 13,143 |  | 13,143 |  |  |  |
Total ending ALLL balance | 13,143 |  | 13,854 |  | 13,143 | 13,854 |
Unallocated |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 0 | 364 | 0 | 0 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provision | 0 | 1,879 | 0 | 2,243 |  |  |
Balance at end of period | 0 | 2,243 | 0 | 2,243 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 0 |  | 2,243
Total ending ALLL balance | 0 | 364 | 0 | 0 | 0 | 0 | 2,243
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 0 |  | 0
Total ending loan balances |  |  |  |  | 0 |  | 0
Unallocated | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 0 | 0 | 0 |  |  |
Total ending ALLL balance | 0 | 0 | 0 | 0 | 0 |  | 0
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 |  | 0
Commercial | Commercial and industrial |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 6,046 | 6,484 | 5,850 | 6,910 |  |  |
Charge-offs | (137) | (23) | (137) | (33) |  |  |
Recoveries | 0 | 5 | 0 | 8 |  |  |
Provision | 2,095 | 418 | 2,291 | (1) |  |  |
Balance at end of period | 8,004 | 6,884 | 8,004 | 6,884 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 253
Collectively evaluated for impairment |  |  |  |  | 7,947 |  | 6,573
Total ending ALLL balance | 6,046 | 6,484 | 5,850 | 6,910 | 8,004 | 5,850 | 6,884
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 3,470 |  | 5,125
Collectively evaluated for impairment |  |  |  |  | 1,298,486 |  | 765,987
Total ending loan balances |  |  |  |  | 1,306,866 | 876,999 | 771,477
Commercial | Commercial and industrial | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 57 | 58 | 57 | 58 |  |  |
Total ending ALLL balance | 57 | 58 | 57 | 58 | 57 |  | 58
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 4,910 | 853 | 365
Commercial | Commercial real estate |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 3,969 | 3,904 | 4,252 | 3,840 |  |  |
Charge-offs | 0 | 0 | 0 | (260) |  |  |
Recoveries | 371 | 0 | 371 | 132 |  |  |
Provision | (786) | 541 | (1,069) | 733 |  |  |
Balance at end of period | 3,554 | 4,445 | 3,554 | 4,445 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 3,543 |  | 4,333
Total ending ALLL balance | 3,969 | 3,904 | 4,252 | 3,840 | 3,554 | 4,252 | 4,445
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 271 |  | 353
Collectively evaluated for impairment |  |  |  |  | 721,510 |  | 795,789
Total ending loan balances |  |  |  |  | 725,107 | 727,707 | 807,146
Commercial | Commercial real estate | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 11 | 112 | 11 | 112 |  |  |
Total ending ALLL balance | 11 | 112 | 11 | 112 | 11 |  | 112
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 3,326 | 9,599 | 11,004
Commercial | Multi-family |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 6,484 | 7,164 | 6,012 | 7,179 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 0 | 3 |  |  |
Provision | 430 | (3,484) | 902 | (3,502) |  |  |
Balance at end of period | 6,914 | 3,680 | 6,914 | 3,680 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 6,914 |  | 3,680
Total ending ALLL balance | 6,484 | 7,164 | 6,012 | 7,179 | 6,914 | 6,012 | 3,680
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 1,147,597 |  | 696,768
Total ending loan balances |  |  |  |  | 1,147,597 | 904,300 | 696,768
Commercial | Multi-family | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 0 | 0 | 0 |  |  |
Total ending ALLL balance | 0 | 0 | 0 | 0 | 0 |  | 0
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 | 0 | 0
Commercial | SBA |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 906 | 566 | 683 | 335 |  |  |
Charge-offs | 0 | (55) | 0 | (55) |  |  |
Recoveries | 245 | 41 | 276 | 113 |  |  |
Provision | (454) | 122 | (262) | 281 |  |  |
Balance at end of period | 697 | 674 | 697 | 674 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 678 |  | 655
Total ending ALLL balance | 906 | 566 | 683 | 335 | 697 | 683 | 674
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 8
Collectively evaluated for impairment |  |  |  |  | 62,634 |  | 53,858
Total ending loan balances |  |  |  |  | 65,477 | 57,706 | 56,887
Commercial | SBA | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 19 | 19 | 19 | 19 |  |  |
Total ending ALLL balance | 19 | 19 | 19 | 19 | 19 |  | 19
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 2,843 | 3,049 | 3,021
Commercial | Construction |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 1,520 | 695 | 1,530 | 846 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provision | 157 | (116) | 147 | (267) |  |  |
Balance at end of period | 1,677 | 579 | 1,677 | 579 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 1,677 |  | 579
Total ending ALLL balance | 1,520 | 695 | 1,530 | 846 | 1,677 | 1,530 | 579
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 86,852 |  | 32,022
Total ending loan balances |  |  |  |  | 86,852 | 55,289 | 32,022
Commercial | Construction | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 0 | 0 | 0 |  |  |
Total ending ALLL balance | 0 | 0 | 0 | 0 | 0 |  | 0
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 | 0 | 0
Commercial | Lease financing |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 2,610 | 1,195 | 2,195 | 873 |  |  |
Charge-offs | (479) | (1) | (581) | (88) |  |  |
Recoveries | 24 | 0 | 85 | 0 |  |  |
Provision | 385 | 452 | 841 | 861 |  |  |
Balance at end of period | 2,540 | 1,646 | 2,540 | 1,646 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 2,540 |  | 1,646
Total ending ALLL balance | 2,610 | 1,195 | 2,195 | 873 | 2,540 | 2,195 | 1,646
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 228,663 |  | 131,189
Total ending loan balances |  |  |  |  | 228,663 | 192,424 | 131,189
Commercial | Lease financing | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 0 | 0 | 0 |  |  |
Total ending ALLL balance | 0 | 0 | 0 | 0 | 0 |  | 0
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 | 0 | 0
Consumer | Single Family Residential Mortgage |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 13,270 | 6,960 |  | 7,192 |  |  |
Charge-offs | (149) | 0 |  | 0 |  |  |
Recoveries | 0 | 0 |  | 0 |  |  |
Provision | 22 | 5,990 | (562) | 5,758 |  |  |
Balance at end of period | 13,143 | 12,950 | 13,143 | 12,950 |  |  |
Individually evaluated for impairment |  |  |  |  | 1,346 |  | 433
Collectively evaluated for impairment |  |  |  |  | 11,780 |  | 12,500
Total ending ALLL balance | 13,270 | 6,960 | 13,143 | 7,192 | 13,143 |  | 12,950
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 34,813 |  | 26,019
Collectively evaluated for impairment |  |  |  |  | 1,780,366 |  | 1,562,923
Total ending loan balances |  |  |  |  | 2,555,344 |  | 1,840,924
Consumer | Single Family Residential Mortgage | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 17 | 17 | 17 | 17 |  |  |
Total ending ALLL balance | 17 | 17 | 17 | 17 | 17 |  | 17
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 740,165 |  | 251,982
Consumer | Other Consumer |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 1,040 | 2,013 | 1,157 | 2,305 |  |  |
Charge-offs | (7) | 0 | (7) | 0 |  |  |
Recoveries | 1 | 1 | 2 | 13 |  |  |
Provision | (80) | (328) | (198) | (632) |  |  |
Balance at end of period | 954 | 1,686 | 954 | 1,686 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 954 |  | 1,686
Total ending ALLL balance | 1,040 | 2,013 | 1,157 | 2,305 | 954 | $ 1,157 | 1,686
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 294 |  | 294
Collectively evaluated for impairment |  |  |  |  | 119,915 |  | 136,388
Total ending loan balances |  |  |  |  | 120,209 |  | 136,682
Consumer | Other Consumer | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 0 | 0 | 0 |  |  |
Total ending ALLL balance | $ 0 | $ 0 | $ 0 | $ 0 | 0 |  | 0
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | $ 0 |  | $ 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=66008989&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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 valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 4: http://www.xbrl.org/2003/role/presentationRef -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 Reference 5: http://www.xbrl.org/2003/role/presentationRef -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=6379141&loc=d3e15032-111544 + Details
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