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Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2018
Fair Value of Financial Instruments [Abstract]  
Available-for-sale Securities



 

 

 

 

 



 

 



June 30,

 

December 31,



2018

 

2017

Amortized cost

$

348,712 

 

$

324,875 

Unrealized gains (losses)

 

(443)

 

 

(493)

Fair value

$

348,269 

 

$

324,382 



Unrealized Gains (Losses) on Available-for-sale Securities in OCI



 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 



Three months ended June 30,

 

Six months ended June 30,



2018

 

2017

 

2018

 

2017

Unrealized gains (losses) on available-for-sale securities

$

108 

 

$

(95)

 

$

49 

 

$

(371)

Unrealized gains (losses) on available-for-sale securities, net of tax

$

82 

 

$

(58)

 

$

(19)

 

$

(240)



Unrealized Gains (Losses) On Trading Securities Held In Rabbi Trust



 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 



Three months ended June 30,

 

Six months ended June 30,



2018

 

2017

 

2018

 

2017

Unrealized gains (losses) on trading securities held in rabbi trust

$

38 

 

$

359 

 

$

(1,585)

 

$

822