9) Other Business Activity (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Details
Mortgages originated and sold	$ (536,606,000)	$ (445,523,000)
AmountAvailableToOriginateLoansUnderWellsFargoAgreement	75,000,000
AmountAvailableToOriginateLoansUnderUBS Agreement	40,000,000
Interest accuring on a portion of the mortgage loans - range	2.5% to 2.75% over the 30-day LIBOR rate
Mortgage loans in which settlements with third party investors were still pending	$ 170,100,000