CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Net income	$ 9,504		$ 18,970		$ 1,611		$ 36,015
Other comprehensive income (loss):
Change in net unrealized gains (losses) on investments, net of tax expense (benefit) of $8,390 and $4,162 in 2011 and 2010 (For Three Months Ended), and net of tax expense (benefit) of $8,573 and $7,354 in 2011 and 2010 (For Six Months Ended), respectively	16,833	[1]	8,222	[1]	16,871	[2]	14,220	[2]
Change in foreign currency translation gains (losses), net of tax expense (benefit) of $(4) and $(554) in 2011 and 2010 (For Three Months Ended), and net of tax expense (benefit) of $359 and $234 in 2011 and 2010 (For Six Months Ended), respectively	(8)		(1,028)		923		434
Other comprehensive income (loss)	16,825		7,194		17,794		14,654
Comprehensive income	$ 26,329		$ 26,164		$ 19,405		$ 50,669

[1] Disclosure of reclassification amount, net of tax: Unrealized gains (losses) on investments arising during period $ 18,385 $ 15,281 Reclassification adjustment for net realized (gains) losses included in net income (1,913 ) 7,163 Reclassification adjustment for other-than-temporary impairment losses recognized in net income 361 (104 ) Change in net unrealized gains (losses) on investments, net of tax $ 16,833 $ 8,222

[2] Disclosure of reclassification amount, net of tax: Unrealized gains (losses) on investments arising during period $ 17,266 $ 25,196 Reclassification adjustment for net realized (gains) losses included in net income (913 ) 11,136 Reclassification adjustment for other-than-temporary impairment losses recognized in net income 518 (160 ) Change in net unrealized gains (losses) on investments, net of tax $ 16,871 $ 14,220