XML 112 R95.htm IDEA: XBRL DOCUMENT

Fair Value Measurements - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended		1 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Mar. 30, 2012 Minority Owned Unconsolidated
Fair Value Measurements [Line Items]
Cumulative preferred return rate			4.00%
Preferred stock stated value			$ 2.0
Preferred stock convertible rate into common stock			45.00%
Federal home loan bank stock redemption period	5 years

Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

+ References+ Details