XML 77 R67.htm IDEA: XBRL DOCUMENT

Derivatives (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
Derivatives (Details) (USD $) In Thousands	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Location and amount of gains (losses) on derivative instruments and related hedged items
Total	$ 0	$ 0	$ 0	$ 0
Interest expense [Member] \| Interest rate swap [Member]
Location and amount of gains (losses) on derivative instruments and related hedged items
Derivative: Interest rate swap	2,161	2,098	1,012	4,125
Interest expense [Member] \| Fixed-rate debt [Member]
Location and amount of gains (losses) on derivative instruments and related hedged items
Hedged item: Fixed-rate debt	$ (2,161)	$ (2,098)	$ (1,012)	$ (4,125)

Amount of unrealized gain (loss) included in earnings for the period related to the fair value of the hedged item in an interest rate fair value hedge, which was offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective.

+ References+ Details