|
INTEREST RATE SWAP AGREEMENTS (Details) (USD $)
In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2013
Derivative
|
Dec. 31, 2012
Derivative
|
Dec. 31, 2011
|
| INTEREST RATE SWAP AGREEMENTS |
|
|
|
| Number of interest rate swap agreements outstanding |
4 |
5 |
|
| Interest rate swaps designated as cash flow hedges |
|
|
|
| Notional amount outstanding |
$ 306,233 |
$ 356,233 |
|
| Interest expense pertaining to the interest rate swaps |
9,963 |
13,440 |
28,854 |
|
Interest Rate Swap, 4.485% [Member]
|
|
|
|
| Interest rate swaps designated as cash flow hedges |
|
|
|
| Fixed rate (as a percent) (in hundredths) |
4.485% |
|
|
| Notional amount outstanding |
106,233 |
106,233 |
|
|
Interest Rate Swap, 5.25% [Member]
|
|
|
|
| Interest rate swaps designated as cash flow hedges |
|
|
|
| Fixed rate (as a percent) (in hundredths) |
5.25% |
|
|
| Notional amount outstanding |
50,000 |
50,000 |
|
|
Interest Rate Swap, 5.075% [Member]
|
|
|
|
| Interest rate swaps designated as cash flow hedges |
|
|
|
| Fixed rate (as a percent) (in hundredths) |
5.075% |
|
|
| Notional amount outstanding |
0 |
50,000 |
|
|
Interest Rate Swap, 2.05% [Member]
|
|
|
|
| Interest rate swaps designated as cash flow hedges |
|
|
|
| Fixed rate (as a percent) (in hundredths) |
2.05% |
|
|
| Notional amount outstanding |
100,000 |
100,000 |
|
|
Interest Rate Swap, 2.45% [Member]
|
|
|
|
| Interest rate swaps designated as cash flow hedges |
|
|
|
| Fixed rate (as a percent) (in hundredths) |
2.45% |
|
|
| Notional amount outstanding |
$ 50,000 |
$ 50,000 |
|