ACQUISITIONS (Tables)

12 Months Ended

Dec. 31, 2018

Business Combinations [Abstract]

Fair Values of Assets Acquired and Liabilities Assumed

The following table summarizes the preliminary estimated fair values of the assets acquired and liabilities assumed at the dates of acquisition as updated for any changes as of December 31, 2018:

	Continuum		Think
	As of March 15, 2018		As of November 1, 2018
Cash and cash equivalents	$	2,251	$	2,344
Accounts receivable	6,676		2,259
Unbilled revenues	2,463		284
Prepaid and other current assets	936		609
Goodwill	26,617		22,482
Intangible assets	14,450		6,882
Property and equipment and other noncurrent assets	8,902		642
Total assets acquired	$	62,295	$	35,502
Accounts payable, accrued expenses and other current liabilities	$	2,745	$	2,205
Due to employees	1,001		13
Long-term debt (Note 8)	3,220		—
Other noncurrent liabilities	490		1,040
Total liabilities assumed	$	7,456	$	3,258
Net assets acquired	$	54,839	$	32,244

Fair Values and Useful Lives of Intangible Assets Acquired

The following table presents the estimated fair values and useful lives of intangible assets acquired during the year ended December 31, 2018:

	Continuum			Think
	Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount
Customer relationships	6.5	$	5,800	7	$	6,117
Favorable lease	11.2	5,500		—	—
Contract royalties	8	1,900		—	—
Trade names	5	1,250		5	765
Total		$	14,450		$	6,882