Investments in Non-Performing Loan Portfolios and Foreclosed Real Estate (Tables)

3 Months Ended

Jan. 31, 2012

Investments in Non-Performing Loan Portfolios and Foreclosed Real Estate [Abstract]

Summary of accretable yield and nonaccretable difference on investments in non-performing loans portfolios

		September 30,
	Three months ended January 31, 2012
Contractually required payments, including interest	$	52,524
Nonaccretable difference		(5,125	)
Cash flows expected to be collected		47,399
Accretable difference		(20,514	)
Non-performing loans carrying amount	$	26,885

Investment in non-performing loan portfolios

		September 30,			September 30,
	January 31, 2012			October 31, 2011
Unpaid principal balance	$	216,620		$	171,559
Discount on acquired loans		(126,286	)		(108,325	)
Carrying value	$	90,334		$	63,234

Activity in accretable yield for investment in non-performing loan portfolios

		September 30,
Balance at October 31, 2011	$	42,326
Additions		20,514
Accretion		(3,228	)
Reductions from foreclosures and other dispositions		(1,648	)
Other		(120	)
Balance at January 31, 2012	$	57,844