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Trading Securities
 6 Months Ended
Jun. 30, 2017
Trading Securities [Abstract]  
Trading Securities [Text Block]
Trading Securities

Table 3.1 - Trading Securities by Major Security Types (in thousands)        
Fair Value
June 30, 2017
 
December 31, 2016
Mortgage-backed securities:
 
 
 
Other U.S. obligation single-family mortgage-backed securities
$
882

 
$
970

Total
$
882

 
$
970



Table 3.2 - Net (Losses) Gains on Trading Securities (in thousands)
 
Six Months Ended June 30,
 
2017
 
2016
Net (losses) gains on trading securities held at period end
$
(4
)
 
$
1

Net (losses) gains on trading securities
$
(4
)
 
$
1