Other Long-Term Liabilities

6 Months Ended

Jun. 30, 2020

Other Liabilities, Noncurrent [Abstract]

Other Long-Term Liabilities

Other Long-Term Liabilities

Other long-term liabilities consist of the following as of December 31, 2019 and June 30, 2020 (in thousands):

	December 31, 2019		June 30, 2020
Contract liabilities, net of current portion	$	30,925	$	32,210
Deferred payments related to acquisitions	4,963		4,232
Asset retirement obligations	1,961		1,902
Employee separation costs	1,838		361
Other	1,764		1,860
Other long-term liabilities	$	41,451	$	40,565

Contract Liabilities

As discussed in Note 3, in connection with its student tuition contracts, the Company has an obligation to provide free classes in the future should certain eligibility conditions be maintained (the Graduation Fund). Long-term contract liabilities represent the amount of revenue under these arrangements that the Company expects will be realized after one year.

Deferred Payments Related to Acquisitions

In connection with previous acquisitions, the Company acquired certain assets and entered into deferred payment arrangements with the sellers. The deferred payment arrangements are valued at approximately $2.2 million and $1.4 million as of December 31, 2019 and June 30, 2020, respectively. In addition, one of the sellers contributed $2.8 million to the Company representing the seller’s continuing interest in the assets acquired.

Asset Retirement Obligations

Obligations related to lease agreements that require the leased premises to be returned in a predetermined condition.

Employee Separation Costs

Severance and other employee separation costs to be paid after one year.