Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

Assets and liabilities measured at fair value on a recurring basis at December 31, 2015 and 2014 were as follows:

(in thousands)			Fair Value at Reporting Date Using
Description	December 31, 2015		Quoted Prices in Active Markets for Identical Asset (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs                  (Level 3)
Restricted Assets:
Money Market	$	4,364	$	4,364	$	—	$	—
Collateral Investments:
Money Market		905		905		—		—
Certificate of Deposit		878		878		—		—

(in thousands)			Fair Value at Reporting Date Using
Description	December 31, 2014		Quoted Prices in Active Markets for Identical Asset (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs                  (Level 3)
Restricted Assets:
Money Market	$	5,497	$	5,497	$	—	$	—
Collateral Investments:
Money Market		904		904		—		—
Certificate of Deposit		2,720		2,720		—		—

(in thousands)	Total Gains (Losses) Years Ended December 31,
Description	2015		2014
Restricted Assets:
Money Market	$	—	$	—
Collateral Investments:
Money Market		—		—
Certificate of Deposit		—		—

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

Assets and liabilities measured at fair value on a nonrecurring basis at December 31, 2015 and 2014 were as follows:

(in thousands)			Fair Value at Reporting Date Using
Description	December 31, 2015		Quoted Prices in Active Markets for Identical Asset (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs                  (Level 3)
Goodwill	$	47,842	$	—	$	—	$	47,842
Property, equipment and software, net		22,540		—		—		22,540
Pre-publication costs, net		16,441		—		—		16,441
Acquired curriculum and technology intangibles, net		2,731		—		—		2,731
Acquired publishing rights, net		1,459		—		—		1,459
Other intangible assets, net		3,231		—		—		3,231

(in thousands)			Fair Value at Reporting Date Using
Description	December 31, 2014		Quoted Prices in Active Markets for Identical Asset (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs                  (Level 3)
Goodwill	$	47,842	$	—	$	—	$	47,842
Property, equipment and software, net		20,856		—		—		20,856
Pre-publication costs, net		15,070		—		—		15,070
Acquired curriculum and technology intangibles, net		5,209		—		—		5,209
Acquired publishing rights, net		2,762		—		—		2,762
Other intangible assets, net		4,499		—		—		4,499

(in thousands)	Total Gains (Losses) Years Ended December 31,
Description	2015		2014
Goodwill	$	—	$	—
Property, equipment and software, net		—		—
Pre-publication costs, net		—		—
Acquired curriculum and technology intangibles, net		—		—
Acquired publishing rights, net		—		—
Other intangible assets, net		—		—