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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, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | $ 29,345 | $ 20,003 | $ 29,480 | $ 18,805 |
Charge-offs | (79) | (383) | (436) | (586) |
Recoveries | 47 | 641 | 269 | 1,076 |
Transfer of loans from (to) held-for-sale | 0 | 258 | 0 | (705) |
Provision | 5,474 | 2,108 | 5,474 | 4,037 |
Balance at end of period | 34,787 | 22,627 | 34,787 | 22,627 |
Individually evaluated for impairment | 686 | 309 | 686 | 309 |
Collectively evaluated for impairment | 33,895 | 21,997 | 33,895 | 21,997 |
Acquired with deteriorated credit quality | 206 | 321 | 206 | 321 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 31,799 | 35,936 | 31,799 | 35,936 |
Collectively evaluated for impairment | 4,174,924 | 2,261,220 | 4,174,924 | 2,261,220 |
Acquired with deteriorated credit quality | 266,372 | 305,057 | 266,372 | 305,057 |
Total ending loan balances | 4,473,095 | 2,602,213 | 4,473,095 | 2,602,213 | $ 3,949,122
Commercial and industrial |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 6,484 | 2,367 | 6,910 | 1,822 |
Charge-offs | (23) | 0 | (33) | 0 |
Recoveries | 5 | 27 | 8 | 53 |
Transfer of loans from (to) held-for-sale |  | 0 |  | 0 |
Provision | 418 | 613 | (1) | 1,132 |
Balance at end of period | 6,884 | 3,007 | 6,884 | 3,007 |
Individually evaluated for impairment | 253 | 0 | 253 | 0 |
Collectively evaluated for impairment | 6,573 | 3,007 | 6,573 | 3,007 |
Acquired with deteriorated credit quality | 58 | 0 | 58 | 0 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 5,125 | 4,507 | 5,125 | 4,507 |
Collectively evaluated for impairment | 765,987 | 362,604 | 765,987 | 362,604 |
Acquired with deteriorated credit quality | 365 | 1,429 | 365 | 1,429 |
Total ending loan balances | 771,477 | 368,540 | 771,477 | 368,540 | 490,900
Commercial real estate |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 3,904 | 6,449 | 3,840 | 5,484 |
Charge-offs | 0 | 0 | (260) | 0 |
Recoveries | 0 | 438 | 132 | 754 |
Transfer of loans from (to) held-for-sale |  | 0 |  | 0 |
Provision | 541 | (1,272) | 733 | (623) |
Balance at end of period | 4,445 | 5,615 | 4,445 | 5,615 |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 4,333 | 5,615 | 4,333 | 5,615 |
Acquired with deteriorated credit quality | 112 | 0 | 112 | 0 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 353 | 3,148 | 353 | 3,148 |
Collectively evaluated for impairment | 795,789 | 518,020 | 795,789 | 518,020 |
Acquired with deteriorated credit quality | 11,004 | 14,576 | 11,004 | 14,576 |
Total ending loan balances | 807,146 | 535,744 | 807,146 | 535,744 | 999,857
Multi-family |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 7,164 | 2,720 | 7,179 | 2,566 |
Charge-offs | 0 | (3) | 0 | (3) |
Recoveries | 0 | 0 | 3 | 0 |
Transfer of loans from (to) held-for-sale |  | 0 |  | 0 |
Provision | (3,484) | 691 | (3,502) | 845 |
Balance at end of period | 3,680 | 3,408 | 3,680 | 3,408 |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 3,680 | 3,408 | 3,680 | 3,408 |
Acquired with deteriorated credit quality | 0 | 0 | 0 | 0 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 0 | 1,651 | 0 | 1,651 |
Collectively evaluated for impairment | 696,768 | 232,528 | 696,768 | 232,528 |
Acquired with deteriorated credit quality | 0 | 0 | 0 | 0 |
Total ending loan balances | 696,768 | 234,179 | 696,768 | 234,179 | 955,683
SBA |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 566 | 211 | 335 | 235 |
Charge-offs | (55) | 0 | (55) | (17) |
Recoveries | 41 | 175 | 113 | 267 |
Transfer of loans from (to) held-for-sale |  | 0 |  | 0 |
Provision | 122 | (125) | 281 | (224) |
Balance at end of period | 674 | 261 | 674 | 261 |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 655 | 261 | 655 | 261 |
Acquired with deteriorated credit quality | 19 | 0 | 19 | 0 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 8 | 6 | 8 | 6 |
Collectively evaluated for impairment | 53,858 | 25,258 | 53,858 | 25,258 |
Acquired with deteriorated credit quality | 3,021 | 3,420 | 3,021 | 3,420 |
Total ending loan balances | 56,887 | 28,684 | 56,887 | 28,684 | 36,155
Construction |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 695 | 352 | 846 | 244 |
Charge-offs | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Transfer of loans from (to) held-for-sale |  | 0 |  | 0 |
Provision | (116) | 893 | (267) | 1,001 |
Balance at end of period | 579 | 1,245 | 579 | 1,245 |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 579 | 1,245 | 579 | 1,245 |
Acquired with deteriorated credit quality | 0 | 0 | 0 | 0 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 32,022 | 30,761 | 32,022 | 30,761 |
Acquired with deteriorated credit quality | 0 | 0 | 0 | 0 |
Total ending loan balances | 32,022 | 30,761 | 32,022 | 30,761 | 42,198
Lease financing |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 1,195 | 622 | 873 | 428 |
Charge-offs | (1) | 0 | (88) | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Transfer of loans from (to) held-for-sale |  | 0 |  | 0 |
Provision | 452 | 108 | 861 | 302 |
Balance at end of period | 1,646 | 730 | 1,646 | 730 |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 1,646 | 730 | 1,646 | 730 |
Acquired with deteriorated credit quality | 0 | 0 | 0 | 0 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 131,189 | 57,754 | 131,189 | 57,754 |
Acquired with deteriorated credit quality | 0 | 0 | 0 | 0 |
Total ending loan balances | 131,189 | 57,754 | 131,189 | 57,754 | $ 85,749
Single Family Residential Mortgage |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 6,960 | 6,147 | 7,192 | 7,044 |
Charge-offs | 0 | (206) | 0 | (357) |
Recoveries | 0 | 0 | 0 | 0 |
Transfer of loans from (to) held-for-sale |  | 258 |  | (705) |
Provision | 5,990 | 1,090 | 5,758 | 1,307 |
Balance at end of period | 12,950 | 7,289 | 12,950 | 7,289 |
Individually evaluated for impairment | 433 | 309 | 433 | 309 |
Collectively evaluated for impairment | 12,500 | 6,659 | 12,500 | 6,659 |
Acquired with deteriorated credit quality | 17 | 321 | 17 | 321 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 26,019 | 26,413 | 26,019 | 26,413 |
Collectively evaluated for impairment | 1,562,923 | 902,317 | 1,562,923 | 902,317 |
Acquired with deteriorated credit quality | 251,982 | 284,083 | 251,982 | 284,083 |
Total ending loan balances | 1,840,924 | 1,212,813 | 1,840,924 | 1,212,813 |
Other Consumer |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 2,013 | 782 | 2,305 | 532 |
Charge-offs | 0 | (174) | 0 | (209) |
Recoveries | 1 | 1 | 13 | 2 |
Transfer of loans from (to) held-for-sale |  | 0 |  | 0 |
Provision | (328) | 463 | (632) | 747 |
Balance at end of period | 1,686 | 1,072 | 1,686 | 1,072 |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 1,686 | 1,072 | 1,686 | 1,072 |
Acquired with deteriorated credit quality | 0 | 0 | 0 | 0 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 294 | 211 | 294 | 211 |
Collectively evaluated for impairment | 136,388 | 131,978 | 136,388 | 131,978 |
Acquired with deteriorated credit quality | 0 | 1,549 | 0 | 1,549 |
Total ending loan balances | 136,682 | 133,738 | 136,682 | 133,738 |
Unallocated |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Balance at beginning of period | 364 | 353 | 0 | 450 |
Charge-offs | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Transfer of loans from (to) held-for-sale |  | 0 |  | 0 |
Provision | 1,879 | (353) | 2,243 | (450) |
Balance at end of period | 2,243 | 0 | 2,243 | 0 |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 2,243 | 0 | 2,243 | 0 |
Acquired with deteriorated credit quality | 0 | 0 | 0 | 0 |
Loans: |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 |
Collectively evaluated for impairment | 0 | 0 | 0 | 0 |
Acquired with deteriorated credit quality | 0 | 0 | 0 | 0 |
Total ending loan balances | $ 0 | $ 0 | $ 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=35738203&loc=SL6953423-111524 + Details
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- Definition Amount of other addition (reduction) in 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 15 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 + 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=35738203&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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 + Details
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