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FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 8) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | --- | --- | ---
Financial Assets: |  |  |  |
Cash and cash equivalents | $ 1,875,703 | $ 1,039,885 | $ 1,115,753 | $ 895,820
Short-term investments | 258,028 | 338,714 |  |
Securities purchased under resale agreements (“resale agreements”) | 1,400,000 | 1,225,000 |  |
Loans held for sale | 349,375 | 45,950 |  |
Loans receivable, net | 22,381,302 | 21,468,270 |  |
Investment in Federal Home Loan Bank (“FHLB”) stock | 18,156 | 31,239 |  |
Investment in Federal Reserve Bank stock | 54,786 | 54,451 |  |
Customer deposit accounts: |  |  |  |
Short-term borrowings | 3,146 | 0 |  |
FHLB advances | 318,872 | 317,241 |  |
Securities sold under repurchase agreements (“repurchase agreements”) | 150,000 | 795,000 |  |
Long-term debt | 211,024 | 225,848 |  |
Carrying Amount |  |  |  |
Financial Assets: |  |  |  |
Cash and cash equivalents | 1,875,703 | 1,039,885 |  |
Short-term investments | 258,028 | 338,714 |  |
Securities purchased under resale agreements (“resale agreements”) | 1,400,000 | 1,225,000 |  |
Loans held for sale | 349,375 | 45,950 |  |
Loans receivable, net | 22,381,302 | 21,468,270 |  |
Investment in Federal Home Loan Bank (“FHLB”) stock | 18,156 | 31,239 |  |
Investment in Federal Reserve Bank stock | 54,786 | 54,451 |  |
Accrued interest receivable | 85,388 | 88,303 |  |
Customer deposit accounts: |  |  |  |
Demand, savings and money market deposits | 20,105,272 | 17,896,035 |  |
Time deposits | 6,653,778 | 6,112,739 |  |
Short-term borrowings | 3,146 |  |  |
FHLB advances | 318,872 | 317,241 |  |
Securities sold under repurchase agreements (“repurchase agreements”) | 150,000 | 795,000 |  |
Accrued interest payable | 9,403 | 11,303 |  |
Long-term debt | 211,024 | 225,848 |  |
Fair Value Measurements |  |  |  |
Financial Assets: |  |  |  |
Cash and cash equivalents | 1,875,703 | 1,039,885 |  |
Short-term investments | 258,028 | 338,714 |  |
Securities purchased under resale agreements (“resale agreements”) | 1,398,488 | 1,191,060 |  |
Loans held for sale | 353,095 | 45,950 |  |
Loans receivable, net | 21,947,953 | 20,997,379 |  |
Investment in Federal Home Loan Bank (“FHLB”) stock | 18,156 | 31,239 |  |
Investment in Federal Reserve Bank stock | 54,786 | 54,451 |  |
Accrued interest receivable | 85,388 | 88,303 |  |
Customer deposit accounts: |  |  |  |
Demand, savings and money market deposits | 20,105,272 | 17,896,035 |  |
Time deposits | 6,640,017 | 6,095,217 |  |
Short-term borrowings | 3,146 |  |  |
FHLB advances | 332,478 | 336,302 |  |
Securities sold under repurchase agreements (“repurchase agreements”) | 209,930 | 870,434 |  |
Accrued interest payable | 9,403 | 11,303 |  |
Long-term debt | 187,630 | 205,777 |  |
Fair Value Measurements | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |
Financial Assets: |  |  |  |
Cash and cash equivalents | 1,875,703 | 1,039,885 |  |
Fair Value Measurements | Significant Other Observable Inputs (Level 2) |  |  |  |
Financial Assets: |  |  |  |
Short-term investments | 258,028 | 338,714 |  |
Securities purchased under resale agreements (“resale agreements”) | 1,398,488 | 1,191,060 |  |
Loans held for sale | 353,095 | 45,950 |  |
Investment in Federal Home Loan Bank (“FHLB”) stock | 18,156 | 31,239 |  |
Investment in Federal Reserve Bank stock | 54,786 | 54,451 |  |
Accrued interest receivable | 85,388 | 88,303 |  |
Customer deposit accounts: |  |  |  |
Demand, savings and money market deposits | 20,105,272 | 17,896,035 |  |
Time deposits | 6,640,017 | 6,095,217 |  |
Short-term borrowings | 3,146 |  |  |
FHLB advances | 332,478 | 336,302 |  |
Securities sold under repurchase agreements (“repurchase agreements”) | 209,930 | 870,434 |  |
Accrued interest payable | 9,403 | 11,303 |  |
Long-term debt | 187,630 | 205,777 |  |
Fair Value Measurements | Significant Unobservable Inputs (Level 3) |  |  |  |
Financial Assets: |  |  |  |
Loans receivable, net | $ 21,947,953 | $ 20,997,379 |  |

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