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Investment Securities (Tables)
 3 Months Ended
Mar. 31, 2018
Investment Securities  
Schedule of investment securities

Investment securities consisted of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

March 31, 

 

December 31,

 

 

2018

 

2017

 

    

Fair value

    

Cost

    

Fair value

    

Cost

Ultra-Short-Term Bond Fund

 

$

3,819

 

$

3,842

 

$

3,811

 

$

3,825

Short-Term Bond Index Fund

 

 

1,246

 

 

1,284

 

 

1,252

 

 

1,278

Total investments

 

$

5,065

 

$

5,126

 

$

5,063

 

$

5,103