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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Loans and Leases Sold and Purchased (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchases | $ 176,531 | $ 38,572 | $ 515,586
Sales | 412,094 | 90,390 | 188,647
Commercial | Multi-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchases | 0 | 0 | 0
Sales | 242,580 | 0 | 0
Commercial | SBA |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchases | 0 | 0 | 0
Sales | 3,599 | 7,838 | 2,507
Commercial | Lease financing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchases | 127,043 | 38,572 | 7,850
Sales | 0 | 0 | 0
Consumer | Single family residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchases | 49,488 | 0 | 507,736
Sales | $ 165,915 | $ 82,552 | $ 186,140

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- Definition The amount of any significant purchases of financing receivables during the reporting period. + 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 (e) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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