Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-SubTopic 10

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-Topic 220

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-Topic 815

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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-Publisher FASB

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Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

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Fixed interest rate related to the interest rate derivative.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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The number of derivative instruments of a particular group held by the entity.

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-Publisher FASB

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-Topic 815

-SubTopic 10

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Number of interest rate derivative instruments held by the entity at the reporting date.

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DERIVATIVE FINANCIAL INSTRUMENTS (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Accumulated other comprehensive income - unrealized loss on valuation of swap agreements	$ (6,800,000)	$ (4,000,000)
Other Liabilities \| Level 2
Derivatives, Fair Value [Line Items]
Derivative financial instruments, liabilities	7,500,000	4,600,000
Prepaid Expenses and Other Assets \| Level 2
Derivatives, Fair Value [Line Items]
Derivative financial instruments, assets		200,000
Cash Flow Hedging \| Variable-Rate Derivatives \| Minimum
Derivatives, Fair Value [Line Items]
Derivative, cap interest rate	3.00%
Cash Flow Hedging \| Variable-Rate Derivatives \| Maximum
Derivatives, Fair Value [Line Items]
Derivative, cap interest rate	4.30%
Interest Rate Swap \| Cash Flow Hedging \| Fixed-Rate Derivatives
Derivatives, Fair Value [Line Items]
Number of interest rate swaps (in interest rate swaps)	16
Notional amount of interest rate cash flow hedge derivatives	272,600,000
Interest Rate Swap \| Cash Flow Hedging \| Fixed-Rate Derivatives \| Minimum
Derivatives, Fair Value [Line Items]
Derivative, fixed interest rate	0.70%
Interest Rate Swap \| Cash Flow Hedging \| Fixed-Rate Derivatives \| Maximum
Derivatives, Fair Value [Line Items]
Derivative, fixed interest rate	3.80%
Interest Rate Swap \| Cash Flow Hedging \| Variable-Rate Derivatives
Derivatives, Fair Value [Line Items]
Notional amount of interest rate cash flow hedge derivatives	$ 139,300,000
Derivative, number of instruments held	4