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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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