Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011 Successor	Dec. 31, 2010 Predecessor
Market value for securities held to maturity		$ 467
Valuation allowance for deferred tax asset		$ 43,455
Preferred stock, no par value
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares outstanding	0	72,278
Common stock, par value	$ 0.01	$ 2.00
Common stock, shares authorized	300,000,000	20,000,000
Common stock, shares outstanding	133,160,384	13,188,896