CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Net income (loss)	$ 7,904		$ (7,893)
Other comprehensive income (loss):
Change in net unrealized gains (losses) on investments, net of deferred tax of $4,818 and $183 in 2012 and 2011, respectively	8,949	[1]	38	[1]
Change in foreign currency translation gains (losses), net of deferred tax of $1,399 and $363 in 2012 and 2011, respectively	(2,972)		931
Comprehensive income (loss)	5,977		969
Comprehensive income (loss)	$ 13,881		$ (6,924)

[1] Disclosure of reclassification amount, net of tax: Unrealized gains (losses) on investments arising during period $ 9,421 $ 183 Reclassification adjustment for net realized gains (losses) included in net income (638 ) (123 ) Reclassification adjustment for other-than-temporary impairment losses recognized in net income 166 (22 ) Change in net unrealized gains (losses) on investments, net of tax $ 8,949 $ 38