Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Significant Accounting Policies [Abstract]

Impairment Charges For Securities

	2011		2010		2009
Publicly traded securities	$	3,243	$	–	$	14,384
Non-public securities and private equity funds		8		767		2,224
Non-agency mortgage-backed bond securitizations		335		1,707		14,812
Totals	$	3,586	$	2,474	$	31,420