Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2013

Allowance for Credit Losses [Abstract]

Allowance for Credit Losses on Financing Receivables [Table Text Block]

Rollforward of Allowance for Credit Losses on Conventional Mortgage Loans (in thousands)



	Three Months Ended March 31,
Allowance for credit losses:	2013			2012
Balance, beginning of period	$	17,907		$	20,750
Charge-offs	(575		)	(1,160		)
(Reversal) provision for credit losses	(2,500		)	1,410
Balance, end of period	$	14,832		$	21,000

Allowance for Credit Losses and Recorded Investment by Impairment Methodology [Table Text Block]

Allowance for Credit Losses and Recorded Investment on Conventional Mortgage Loans by Impairment Methodology (in thousands)



Allowance for credit losses, end of period:	March 31, 2013		December 31, 2012
Collectively evaluated for impairment	$	14,744	$	17,775
Individually evaluated for impairment	$	88	$	132
Recorded investment, end of period:
Collectively evaluated for impairment	$	6,313,305	$	6,570,856
Individually evaluated for impairment	6,219		5,249
Total recorded investment	$	6,319,524	$	6,576,105

Changes in LRA [Table Text Block]

Changes in the LRA (in thousands)



	Three Months Ended
	March 31, 2013
LRA at beginning of year	$	102,680
Additions	5,193
Claims	(1,016		)
Scheduled distributions	(460		)
LRA at end of period	$	106,397

Past Due Financing Receivables [Table Text Block]

Recorded Investment in Delinquent Mortgage Loans (dollars in thousands)



	March 31, 2013
	Conventional MPP Loans			Government-Guaranteed or Insured Loans			Total
Past due 30-59 days delinquent	$	54,933		$	59,094		$	114,027
Past due 60-89 days delinquent	18,547			18,593			37,140
Past due 90 days or more delinquent	72,038			37,594			109,632
Total past due	145,518			115,281			260,799
Total current mortgage loans	6,174,006			819,027			6,993,033
Total mortgage loans	$	6,319,524		$	934,308		$	7,253,832
Other delinquency statistics:
In process of foreclosure, included above ⁽¹⁾	$	61,530		$	16,298		$	77,828
Serious delinquency rate ⁽²⁾	1.15		%	4.04		%	1.52		%
Past due 90 days or more still accruing interest ⁽³⁾	$	71,796		$	37,594		$	109,390
Loans on non-accrual status, included above	$	2,922		$	—		$	2,922

	December 31, 2012
	Conventional MPP Loans			Government-Guaranteed or Insured Loans			Total
Past due 30-59 days delinquent	$	47,189		$	60,056		$	107,245
Past due 60-89 days delinquent	18,103			18,445			36,548
Past due 90 days or more delinquent	77,113			37,890			115,003
Total past due	142,405			116,391			258,796
Total current mortgage loans	6,433,700			883,381			7,317,081
Total mortgage loans	$	6,576,105		$	999,772		$	7,575,877
Other delinquency statistics:
In process of foreclosure, included above ⁽¹⁾	$	67,016		$	15,843		$	82,859
Serious delinquency rate ⁽²⁾	1.17		%	3.82		%	1.52		%
Past due 90 days or more still accruing interest ⁽³⁾	$	76,871		$	37,890		$	114,761
Loans on non-accrual status, included above	$	2,538		$	—		$	2,538


(1)	Includes loans where the decision of foreclosure or a similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status.


(2)	Loans that are 90 days or more past due or in the process of foreclosure (including past due or current loans in the process of foreclosure) expressed as a percentage of the total loan portfolio class recorded investment amount.


(3)	Each conventional loan past due 90 days or more still accruing interest is on a schedule/scheduled monthly settlement basis and contains one or more credit enhancements. Loans that are well secured and in the process of collection as a result of remaining credit enhancements and schedule/scheduled settlement are not placed on non-accrual status.

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

Recorded Investment in Troubled Debt Restructurings (in thousands)



Troubled debt restructurings:	March 31, 2013		December 31, 2012
Conventional MPP Loans	$	6,219	$	5,249

Troubled Debt Restructurings Modified in the Previous Twelve Months That Subsequently Defaulted [Table Text Block]

Recorded Investment of Financing Receivables Modified within the Previous 12 Months and Considered Troubled Debt Restructurings that Subsequently Defaulted (in thousands)



	Three Months Ended March 31,
	2013		2012
Defaulted troubled debt restructurings:
Conventional MPP Loans	$	—	$	1,420

Individually Evaluated Impaired Loan Statistics by Product Class Level [Table Text Block]

Individually Evaluated Impaired Loan Statistics by Product Class Level (in thousands)



	March 31, 2013						December 31, 2012
Conventional MPP loans:	Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance	$	3,383	$	3,321	$	—	$	2,798	$	2,751	$	—
With an allowance	2,836		2,808		88		2,451		2,423		132
Total	$	6,219	$	6,129	$	88	$	5,249	$	5,174	$	132

Impaired Financing Receivables [Table Text Block]

Average Recorded Investment of Individually Evaluated Impaired Loans and Related Interest Income Recognized (in thousands)



	Three Months Ended March 31,
	2013				2012
Individually impaired loans:	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Conventional MPP Loans	$	5,852	$	78	$	2,885	$	40