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Fair Value Measurements (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Mutual Funds $ 27 $ 26
Common Stocks & ETF's 619 613
Preferred Securities 100 104
Corporate Bonds 1,613 1,348
Level 1 [Member]    
Mutual Funds 27 26
Common Stocks & ETF's 619 613
Preferred Securities
Corporate Bonds
Level2 [Member]    
Mutual Funds
Common Stocks & ETF's
Preferred Securities 100 104
Corporate Bonds 1,436 1,187
Level3 [Member]    
Mutual Funds
Common Stocks & ETF's
Preferred Securities
Corporate Bonds $ 177 $ 161