STOCKHOLDERS' EQUITY (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Balance, beginning of period	$ (68,511)	[1]
Other comprehensive income before reclassifications	10,160	[1]
Amounts reclassified from accumulated other comprehensive loss to net income	250	[1]
Net current period other comprehensive income	10,410	[1]
Balance, end of period	$ (58,101)	[1]

[1] All amounts are net of tax. Amounts in parentheses indicate debits.