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Loans and the Allowance for Loan and Lease Losses (Details) - Narrative - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
LOANS AND THE ALLOWANCE FOR LOAN LOSSES (Details) [Line Items] |  |  |  |
Non Accrual Contractual Due |  | 90 days |  |
Loans Pledged as Collateral | $ 1,600,000 | $ 1,600,000 |  | $ 1,600,000
Loans performing under the restructured terms |  | 106,700 |  | 85,900
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans |  | 1,400 |  | 700
Troubled debt restructurings |  | 105,300 |  | 86,600
Allowance for Loan and Lease Losses Period Increase Decrease Due to Trouble Debt Restructuring | 5,000 | 8,300 | $ 2,000 |
Specific allocations associated with taxi medallion, fair value | 12,500 | 12,500 |  | 4,500
Modified specific allocations associated with taxi medallion, fair value |  | 8,300 |  |
Troubled debt restructurings medallions |  | 17,300 |  |
Valuation per Medallion Amount | 700 | 700 |  |
Increase in allowance for loan and lease losses |  | 8 |  |
Loans held-for-sale | 15,112 | 15,112 |  |
Proceeds from sold a lease financing receivable |  | 2,600 |  |
Recorded investment of the lease financing receivable |  | 3,700 |  |
Specific allowance for the net investment in direct lease financing |  | $ 1,300 |  |
Number of loans |  | All 14 loans were accruing prior to modification, while 13 remained in accrual status post-modification. |  |
Mortgage loans [Member] |  |  |  |
LOANS AND THE ALLOWANCE FOR LOAN LOSSES (Details) [Line Items] |  |  |  |
Loans held-for-sale | 1,600 | $ 1,600 |  |
Commercial and commercial real estate loans [Member] |  |  |  |
LOANS AND THE ALLOWANCE FOR LOAN LOSSES (Details) [Line Items] |  |  |  |
Loans held-for-sale | $ 13,500 | $ 13,500 |  |
Secured by Taxi Medallions [Member] |  |  |  |
LOANS AND THE ALLOWANCE FOR LOAN LOSSES (Details) [Line Items] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage Rate Range | 3.75% | 3.75% |  |
Secured by Taxi Medallions [Member] | Minimum [Member] |  |  |  |
LOANS AND THE ALLOWANCE FOR LOAN LOSSES (Details) [Line Items] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage Rate Range |  |  | 3.00% |
Modifications principal amortization period |  |  | 25 years |
Secured by Taxi Medallions [Member] | Maximum [Member] |  |  |  |
LOANS AND THE ALLOWANCE FOR LOAN LOSSES (Details) [Line Items] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage Rate Range |  |  | 3.25% |
Modifications principal amortization period |  |  | 30 years |

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- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554 + 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=66007379&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=66008989&loc=d3e5086-111524 + Details
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