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FAIR VALUES OF FINANCIAL INSTRUMENTS - Carrying Amounts and Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Financial assets |  |
Cash and cash equivalents | $ 372,221 | $ 387,699
Securities available-for-sale | 2,059,832 | 2,575,469
Federal Home Loan Bank and other bank stock | 71,308 | 75,654
Loans held-for-sale | 29,672 | 105,806
Loans and leases receivable, net of ALLL(3) | 7,082,175 | 6,601,767
Accrued interest receivable | 38,951 | 35,355
Derivative assets | 2,099 | 1,005
Financial liabilities |  |
Deposits | 7,200,816 | 7,063,613
Advances from Federal Home Loan Bank | 1,636,772 | 1,695,039
Long term debt | 177,048 | 180,560
Derivative liabilities | 2,064 | 1,033
Accrued interest payable | 13,226 | 7,321
Discontinued Operations, Disposed of by Sale | Banc Home Loan |  |
Financial liabilities |  |
Loans held-for-sale, carried at fair value | 20,290 | 38,696
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Financial assets |  |
Cash and cash equivalents | 372,221 | 387,699
Securities available-for-sale | 0 | 0
Federal Home Loan Bank and other bank stock | 0 | 0
Loans held-for-sale | 0 | 0
Loans and leases receivable, net of ALLL(3) | 0 | 0
Accrued interest receivable | 38,951 | 35,355
Derivative assets | 0 | 0
Financial liabilities |  |
Deposits | 0 | 0
Advances from Federal Home Loan Bank | 0 | 0
Long term debt | 0 | 0
Derivative liabilities | 0 | 0
Accrued interest payable | 13,226 | 7,321
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring |  |
Financial assets |  |
Loans held-for-sale | 0 | 0
Significant Other Observable Inputs (Level 2) |  |
Financial assets |  |
Cash and cash equivalents | 0 | 0
Securities available-for-sale | 2,059,832 | 2,575,469
Federal Home Loan Bank and other bank stock | 71,308 | 75,654
Loans held-for-sale | 3,916 | 6,866
Loans and leases receivable, net of ALLL(3) | 0 | 0
Accrued interest receivable | 0 | 0
Derivative assets | 2,099 | 1,005
Financial liabilities |  |
Deposits | 0 | 0
Advances from Federal Home Loan Bank | 1,636,772 | 1,695,039
Long term debt | 177,048 | 180,560
Derivative liabilities | 2,064 | 1,033
Accrued interest payable | 0 | 0
Significant Other Observable Inputs (Level 2) | Recurring |  |
Financial assets |  |
Loans held-for-sale | 2,558 | 6,359
Significant Other Observable Inputs (Level 2) | Recurring | Discontinued Operations, Disposed of by Sale | Banc Home Loan |  |
Financial liabilities |  |
Loans held-for-sale, carried at fair value | 2,600 | 6,400
Significant Unobservable Inputs (Level 3) |  |
Financial assets |  |
Cash and cash equivalents | 0 | 0
Securities available-for-sale | 0 | 0
Federal Home Loan Bank and other bank stock | 0 | 0
Loans held-for-sale | 25,756 | 98,940
Loans and leases receivable, net of ALLL(3) | 7,082,175 | 6,601,767
Accrued interest receivable | 0 | 0
Derivative assets | 0 | 0
Financial liabilities |  |
Deposits | 7,200,816 | 7,063,613
Advances from Federal Home Loan Bank | 0 | 0
Long term debt | 0 | 0
Derivative liabilities | 0 | 0
Accrued interest payable | 0 | 0
Significant Unobservable Inputs (Level 3) | Recurring |  |
Financial assets |  |
Loans held-for-sale | 25,756 | 98,940
Significant Unobservable Inputs (Level 3) | Recurring | Discontinued Operations, Disposed of by Sale | Banc Home Loan |  |
Financial liabilities |  |
Loans held-for-sale, carried at fair value | 17,700 | 32,300
Carrying Value |  |
Financial assets |  |
Cash and cash equivalents | 372,221 | 387,699
Securities available-for-sale | 2,059,832 | 2,575,469
Federal Home Loan Bank and other bank stock | 71,308 | 75,654
Loans held-for-sale | 29,672 | 105,765
Loans and leases receivable, net of ALLL(3) | 7,195,511 | 6,610,074
Accrued interest receivable | 38,951 | 35,355
Derivative assets | 2,099 | 1,005
Financial liabilities |  |
Deposits | 7,401,742 | 7,292,903
Advances from Federal Home Loan Bank | 1,640,000 | 1,695,000
Long term debt | 173,096 | 172,941
Derivative liabilities | 2,064 | 1,033
Accrued interest payable | 13,226 | 7,321
Carrying Value | Recurring |  |
Financial assets |  |
Loans held-for-sale | $ 28,314 | $ 105,299

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- Definition Fair value portion of amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 + Details
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