Quarterly report pursuant to Section 13 or 15(d)

Trading Securities (Schedule Of Gross Realized Gain/Loss) (Details)

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Trading Securities (Schedule Of Gross Realized Gain/Loss) (Details) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Trading Securities Schedule Of Gross Realized Gainloss Details    
Sales proceeds $ 189,000
Gross realized (losses)
Gross realized gains 49,000
Gain (loss) on sale of trading securities $ 49,000