Deferred Costs

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Deferred Costs

Deferred CostsDeferred costs, which primarily consist of costs to obtain contracts with customers, were $29.1 million and $18.7 million for the years ended December 31, 2019 and 2018, respectively. Amortization expense for the deferred costs was $15.2 million and $10.1 million for the years ended December 31, 2019 and 2018, respectively. There were no significant impairment losses in relation to the costs capitalized for the periods presented.Revenue Recognition

Disaggregation of Revenue

The following table presents our revenues disaggregated by industry (in thousands):

	For the year ended December 31,
	2019		2018
Information technology	$	39,417	$	31,063
Consumer discretionary	33,658		28,325
Industrials	33,281		28,023
Diversified financials	33,783		27,335
Banks	28,788		23,818
Healthcare	28,100		21,672
Energy	22,551		19,617
Other	78,313		64,491
Total revenues	$	297,891	$	244,344

The following table presents our revenues disaggregated by type of good or service (in thousands):

	For the year ended December 31,
	2019		2018
Subscription and support	$	245,765	$	200,392
XBRL professional services	38,734		30,562
Other services	13,392		13,390
Total revenues	$	297,891	$	244,344

Deferred Revenue

During the year ended December 31, 2019, we recognized $129.4 million of revenue that was included in the deferred revenue balance at the beginning of the period.

Transaction Price Allocated to the Remaining Performance Obligations

As of December 31, 2019, revenue of approximately $254.8 million is expected to be recognized from remaining performance obligations for subscription contracts. We expect to recognize approximately $184.6 million of these remaining performance obligations over the next 12 months, with the balance recognized thereafter.