Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2013

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 June 30, 2013 and December 31, 2012:

	As of June 30, 2013
					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	$	22,026,000	$	22,026,000	$	—	$	22,026,000	$	—
Deferred compensation fund
Money Market	$	3,808,000	$	3,808,000	$	—	$	3,808,000	$	—
Balanced and Lifestyle	3,324,000		3,324,000		3,324,000		—		—
Large Cap Growth	1,706,000		1,706,000		1,706,000		—		—
Small Cap Value	2,172,000		2,172,000		2,172,000		—		—
Fixed Income	7,126,000		7,126,000		7,126,000		—		—
International	887,000		887,000		887,000		—		—
Mid Cap Growth	734,000		734,000		734,000		—		—
Deferred compensation fund	$	19,757,000	$	19,757,000	$	15,949,000	$	3,808,000	$	—

	As of December 31, 2012
					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	$	21,322,000	$	21,322,000	$	—	$	21,322,000	$	—
Deferred compensation fund
Money Market	$	4,114,000	$	4,114,000	$	—	$	4,114,000	$	—
Balanced and Lifestyle	6,311,000		6,311,000		6,311,000		—		—
Large Cap Growth	2,724,000		2,724,000		2,724,000		—		—
Small Cap Value	1,936,000		1,936,000		1,936,000		—		—
Fixed Income	1,461,000		1,461,000		1,461,000		—		—
International	785,000		785,000		785,000		—		—
Mid Cap Growth	500,000		500,000		500,000		—		—
Deferred compensation fund	$	17,831,000	$	17,831,000	$	13,717,000	$	4,114,000	$	—

Marketable Debt Securities

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Other-than-temporary Impairments
June 30, 2013
Type of security:
Municipal bonds — available for sale	21,953,000		130,000		(57,000		)	22,026,000		—
Total debt securities	$	21,953,000	$	130,000	$	(57,000	)	$	22,026,000	$	—
December 31, 2012
Type of security:
Municipal bonds — available for sale	21,111,000		220,000		(9,000		)	21,322,000		—
Total debt securities	$	21,111,000	$	220,000	$	(9,000	)	$	21,322,000	$	—

Contractual Maturities Of Available For Sale Investments

The following tables include contractual maturities of debt securities held at June 30, 2013 and December 31, 2012, which are classified as marketable securities in the consolidated Balance Sheet.

	Municipal Bonds — Available for Sale
Contractual maturity:	June 30, 2013		December 31, 2012
Maturing in one year or less	$	7,284,000	$	5,164,000
Maturing after one year through three years	8,000,000		12,134,000
Maturing after three years	6,742,000		4,024,000
Total debt securities	$	22,026,000	$	21,322,000