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LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES (Details 2) - Loans Receivable $ in Millions | 12 Months Ended |
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Dec. 31, 2015 USD ($) property_unit | Dec. 31, 2014 USD ($)
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Loans receivable pledged to secure borrowings and to provide additional borrowing capacity from the FHLB and the Federal Reserve Bank | $ | $ 15,910 | $ 14,660
Residential | Single-family |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Adjustable rate mortgage, term of initial fixed interest rates, option one | 1 year |
Adjustable rate mortgage, term of initial fixed interest rates, option two | 3 years |
Adjustable rate mortgage, term of initial fixed interest rates, option three | 5 years |
Residential | Single-family | Minimum |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Number of units of residential property securing fixed and adjustable rate first mortgage loans | 1 |
Residential | Single-family | Maximum |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Number of units of residential property securing fixed and adjustable rate first mortgage loans | 4 |
Residential | Multifamily |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Adjustable rate mortgage, term of initial fixed interest rates, option one | 6 months |
Adjustable rate mortgage, term of initial fixed interest rates, option two | 3 years |

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- Definition Adjustable Rate Mortgage Initial Interest Rate Period, Option Three + References No definition available. + Details
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- Definition Adjustable Rate Mortgage Initial Interest Rate Period, Option Two + References No definition available. + Details
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- Definition The number of units in residential property that secures both fixed and adjustable rate first mortgage loans. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5086-111524 + Details
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