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BUSINESS COMBINATIONS AND BRANCH SALES - Banco Popular's California Branch Network Acquisition (Details) - Banco Popular North America (BPNA) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Nov. 08, 2014 USD ($) Branch | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Business Acquisition [Line Items] |  |  |
Number of branches | Branch | 20 |  |
Deposit premiums received | $ 3,900 |  |
Purchase price, net of deposit premiums received | 24,000 |  |
Loans and leases receivable | 1,065,088 |  |
Deposits | 1,076,906 |  |
Other intangible assets | 15,777 |  |
Direct acquisition costs |  |  | $ 4,300
Goodwill adjustment |  | $ 7,700 |
Loans and leases receivable discount adjustment |  | 7,400 |
Deposit premium adjustment |  | 292 |
Loan discount adjustment |  | (33) |
Deposit premium amortization adjustment |  | $ 110 |
Core deposit intangibles |  |  |
Business Acquisition [Line Items] |  |  |
Other intangible assets | $ 15,800 |  |
Amortization period of other intangible assets | 10 years |  |

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