Mortgage Loans Held for Portfolio (Tables)

12 Months Ended

Dec. 31, 2019

Receivables [Abstract]

Mortgage Loans Held for Portfolio [Table Text Block]

Table 10.2 - Mortgage Loans Held for Portfolio by Collateral/Guarantee Type (dollars in thousands)
	December 31, 2019		December 31, 2018
Conventional mortgage loans	$	4,140,255	$	3,902,555
Government mortgage loans	292,203		328,651
Total par value	$	4,432,458	$	4,231,206

Table 10.1 - Mortgage Loans Held for Portfolio (dollars in thousands)
	December 31, 2019			December 31, 2018
Real estate
Fixed-rate 15-year single-family mortgages	$	339,042		$	392,128
Fixed-rate 20- and 30-year single-family mortgages	4,093,416			3,839,078
Premiums	66,776			67,671
Discounts	(1,607		)	(1,800		)
Deferred derivative gains, net	4,124			2,825
Total mortgage loans held for portfolio	4,501,751			4,299,902
Less: allowance for credit losses	(500		)	(500		)
Total mortgage loans, net of allowance for credit losses	$	4,501,251		$	4,299,402