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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fixed interest rate related to the interest rate derivative.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The net amount of nonoperating interest income (expense).

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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Summary of the Notional Amount and Fair Value of Derivatives) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Fair value of derivative instruments
Total fair value derivative assets	$ 4,186		$ 4,136
Total fair value derivative liabilities	(3,646)		(3,987)
Interest Expense.	17,858	$ 15,993
Fixed Interest Rate 2.96%, Maturing October 2019 [Member]
Fair value of derivative instruments
Notional Amount	$ 21,759
Fixed Interest Rate	2.96%
Total fair value derivative liabilities	$ (590)		(740)
Fixed Interest Rate 2.65%, Maturing December 2027 [Member]
Fair value of derivative instruments
Notional Amount	$ 50,000
Fixed Interest Rate	2.65%
Total fair value derivative liabilities	$ (601)		(610)
Fixed Interest Rate 2.68%, Maturing December 2027 [Member]
Fair value of derivative instruments
Notional Amount	$ 100,000
Fixed Interest Rate	2.68%
Total fair value derivative liabilities	$ (1,458)		(1,479)
Fixed Interest Rate 2.62%, Maturing December 2027 [Member]
Fair value of derivative instruments
Notional Amount	$ 100,000
Fixed Interest Rate	2.62%
Total fair value derivative liabilities	$ (997)		(1,015)
Interest rate swap contracts \| Designated as Hedging Instrument [Member] \| Accounts Payable and Accrued Liabilities [Member] \| Fixed Interest Rate 1.66%, Maturing May 2020 [Member]
Fair value of derivative instruments
Notional Amount	$ 40,000
Fixed Interest Rate	1.66%
Total fair value derivative assets	$ 19
Total fair value derivative liabilities			(143)
Interest rate swap contracts \| Designated as Hedging Instrument [Member] \| Accounts Payable and Accrued Liabilities [Member] \| Fixed Interest Rate 1.14%, Maturing September 2021 [Member]
Fair value of derivative instruments
Notional Amount	$ 119,359
Fixed Interest Rate	1.14%
Total fair value derivative assets	$ 3,679		3,368
Interest Rate Cap [Member] \| Designated as Hedging Instrument [Member] \| Accounts Payable and Accrued Liabilities [Member] \| Fixed Interest Rate 5.00%, Maturing August 2017 [Member]
Fair value of derivative instruments
Notional Amount	$ 100,000
Fixed Interest Rate	5.00%
Interest Rate Cap [Member] \| Not Designated as Hedging Instrument [Member] \| Accounts Payable and Accrued Liabilities [Member] \| Fixed Interest Rate 2.50%, Maturing December 2019 [Member]
Fair value of derivative instruments
Notional Amount	$ 230,000
Fixed Interest Rate	2.50%
Total fair value derivative assets	$ 488		$ 768
Interest (income) expense	$ 300
Interest Expense.		$ 0