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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2015
Fair Value Disclosures [Abstract]  
Fair Value Measurements
The following tables provide fair value measurement information for our marketable securities and deferred compensation fund investment assets as of December 31, 2015 and 2014:

 
As of December 31, 2015
 
 
 
 
 
Fair Value Measurement Using:
 
Carrying
Amount
 
Total Fair
Value
 
Quoted
Prices
in Active
Markets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
Financial Assets:
 
 
 
 
 
 
 
 
 
Marketable securities
 
 
 
 
 
 
 
 
 
Municipal bonds — available for sale
$
69,496,000

 
$
69,496,000

 

 
$
69,496,000

 
$
—

 
 
 
 
 
 
 
 
 
 
Deferred compensation fund
 
 
 
 
 
 
 
 
 
Money Market
$
3,896,000

 
$
3,896,000

 
$
—

 
3,896,000

 
$
—

Balanced and Lifestyle
9,136,000

 
9,136,000

 
9,136,000

 
—

 
—

Large Cap Growth
5,218,000

 
5,218,000

 
5,218,000

 
—

 
—

Small Cap Growth
2,275,000

 
2,275,000

 
2,275,000

 
—

 
—

Fixed Income
2,624,000

 
2,624,000

 
2,624,000

 
—

 
—

International
1,025,000

 
1,025,000

 
1,025,000

 
—

 
—

Mid Cap Growth
1,217,000

 
1,217,000

 
1,217,000

 
—

 
—

Deferred compensation fund
$
25,391,000

 
$
25,391,000

 
$
21,495,000

 
$
3,896,000

 
$
—


 
As of December 31, 2014
 
 
 
 
 
Fair Value Measurement Using:
 
Carrying
Amount
 
Total Fair
Value
 
Quoted
Prices
in Active
Markets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
Financial Assets:
 
 
 
 
 
 
 
 
 
Marketable securities
 
 
 
 
 
 
 
 
 
Municipal bonds — available for sale
$
11,799,000

 
$
11,799,000

 
$
—

 
$
11,799,000

 
$
—

 
 
 
 
 
 
 
 
 
 
Deferred compensation fund
 
 
 
 
 
 
 
 
 
Money Market
$
4,278,000

 
$
4,278,000

 
$
—

 
$
4,278,000

 
$
—

Balanced and Lifestyle
8,885,000

 
8,885,000

 
8,885,000

 
—

 
—

Large Cap Growth
4,856,000

 
4,856,000

 
4,856,000

 
—

 
—

Small Cap Value
2,392,000

 
2,392,000

 
2,392,000

 
—

 
—

Fixed Income
2,081,000

 
2,081,000

 
2,081,000

 
—

 
—

International
1,097,000

 
1,097,000

 
1,097,000

 
—

 
—

Mid Cap Growth
1,153,000

 
1,153,000

 
1,153,000

 
—

 
—

Deferred compensation fund
$
24,742,000

 
$
24,742,000

 
$
20,464,000

 
$
4,278,000

 
$
—
Marketable Debt Securities

Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Estimated Fair Value
 
Other-than-temporary Impairments
December 31, 2015
 
 
 
 
 
 
 
 
 
Type of security:
 
 
 
 
 
 
 
 
 
Municipal bonds — available for sale
68,640,000

 
869,000

 
(13,000
)
 
69,496,000

 
—

Total debt securities
$
68,640,000

 
$
869,000

 
$
(13,000
)
 
$
69,496,000

 
$
—

December 31, 2014
 
 
 
 
 
 
 
 
 
Type of security:
 
 
 
 
 
 
 
 
 
Municipal bonds — available for sale
11,758,000

 
48,000

 
(7,000
)
 
11,799,000

 
—

Total debt securities
$
11,758,000

 
$
48,000

 
$
(7,000
)
 
$
11,799,000

 
$
—

December 31, 2013
 
 
 
 
 
 
 
 
 
Type of security:
 
 
 
 
 
 
 
 
 
Municipal bonds — available for sale
11,364,000

 
83,000

 
(2,000
)
 
11,445,000

 
—

Total debt securities
$
11,364,000

 
$
83,000

 
$
(2,000
)
 
$
11,445,000

 
$
—
Contractual Maturities of Available For Sale Investments
The following tables include contractual maturities of debt securities held at December 31, 2015 and 2014, which are classified as marketable securities in the consolidated Balance Sheets.

 
Municipal Bonds — Available for Sale
Contractual maturity:
December 31, 2015
 
December 31, 2014
Maturing in one year or less
$
774,000

 
$
4,343,000

Maturing after one year through five years
13,852,000

 
7,456,000

Maturing after five years through ten years
36,273,000

 
—

Maturing after ten years
18,597,000

 
—

Total debt securities
$
69,496,000

 
$
11,799,000