CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data		Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated (Deficit) [Member]
Beginning balance at Dec. 31, 2012	[1]	$ 759,421	$ 141,000	$ 9	$ 784,852	$ 8,226	$ (174,666)
Beginning balance, shares at Dec. 31, 2012	[1]		141,000	86,465,000
Net income		54,957					54,957
Exercise of stock options		1,819			1,819
Exercise of stock options, shares				231,000
Stock-based compensation		1,289			1,289
Stock-based compensation, shares				93,000
Restricted stock grants, net		1,502			1,502
Restricted stock grants, net, shares				208,000
Dividends on preferred stock		(705)					(705)
Other comprehensive (loss) income, net		(18,976)				(18,976)
Ending balance at Jun. 30, 2013		799,307	141,000	9	789,462	(10,750)	(120,414)
Ending balance, shares at Jun. 30, 2013			141,000	86,997,000
Beginning balance at Dec. 31, 2013		855,498	141,000	9	797,146	(21,546)	(61,111)
Beginning balance, shares at Dec. 31, 2013			141,000	87,186,000
Net income		66,623					66,623
Exercise of stock options		1,996			1,996
Exercise of stock options, shares				169,000
Stock-based compensation		309			309
Stock-based compensation, shares				58,000
Restricted stock grants, net		1,314			1,314
Stock Issued During Period, Shares, New Issues		115,866
Common Stock, Shares, Issued		2,611
Restricted stock grants, net, shares				245,000
Dividends on preferred stock		(705)					(705)
Other comprehensive (loss) income, net		30,018				30,018
Ending balance at Jun. 30, 2014		$ 957,664	$ 141,000	$ 9	$ 803,376	$ 8,472	$ 4,807
Ending balance, shares at Jun. 30, 2014			141,000	87,774,000

[1] As adjusted, see "Note 10. Income Taxes" to the Unaudited Consolidated Financial Statements.