Borrowed Funds (Tables)

9 Months Ended

Sep. 30, 2011

Borrowed Funds (Tables) [Abstract]

Borrowed funds

	September 30, 2011					December 31, 2010
			Weighted					Weighted
			Average					Average
	Principal		Rate			Principal		Rate
			(Dollars in thousands)
Securities sold under agreements to repurchase:
FHLB	$	1,150,000		4.45	%	$	2,150,000		4.29	%
Other brokers		6,500,000		4.44			12,650,000		4.00
Total securities sold under agreements to repurchase		7,650,000		4.44			14,800,000		4.04
Advances from the FHLB		12,575,000		3.46			14,875,000		3.99
Total borrowed funds	$	20,225,000		3.83	%	$	29,675,000		4.02	%
Accrued interest payable	$	109,188				$	151,215

Average balances of borrowings and the maximum amount outstanding at any month end

	September 30, 2011			December 31, 2010
	(Dollars in thousands)
Repurchase Agreements:
Average balance outstanding during the period	$	9,665,923		$	15,034,110
Maximum balance outstanding at any month-end during the period	$	14,750,000		$	15,100,000
Weighted average rate during the period		4.33	%		4.10	%
FHLB Advances:
Average balance outstanding during the period	$	13,980,622		$	14,875,000
Maximum balance outstanding at any month-end during the period	$	15,175,000		$	14,875,000
Weighted average rate during the period		3.42	%		4.04	%

Borrowed funds maturities and potential put dates

	Borrowings by Scheduled					Borrowings by Earlier of Scheduled
	Maturity Date					Maturity or Next Potential Put Date
			Weighted					Weighted
			Average					Average
Year	Principal		Rate			Principal		Rate
			(Dollars in thousands)
2011	$	750,000		0.55	%	$	7,125,000		3.91	%
2012		2,900,000		0.88			3,600,000		1.66
2013		100,000		5.46			1,325,000		4.52
2014		—		—			3,725,000		4.51
2015		225,000		4.23			275,000		4.42
2016		4,525,000		4.82			3,925,000		4.88
2017		5,875,000		4.30			—		—
2018		850,000		3.62			250,000		1.85
2019		1,725,000		4.62			—		—
2020		3,275,000		4.53			—		—
Total	$	20,225,000		3.83	%	$	20,225,000		3.83	%