Deferred Costs	3 Months Ended
Mar. 31, 2018
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Deferred Costs	Note 4. Deferred costs Deferred costs, which primarily consist of deferred sales commissions, were $30.7 million and $29.1 million as of March 31, 2018 and December 31, 2017, respectively. The Company capitalized $2.8 million and $2.7 million, during the three months ended March 31, 2018 and 2017, respectively. In addition, the Company acquired $2.7 million in connection with the business combination noted below. Amortization expense for the deferred costs was $3.9 million and $3.3 million, for the three months ended March 31, 2018 and 2017, respectively. Impairment losses related to deferred costs were immaterial for all periods presented.

Deferred Costs

3 Months Ended

Mar. 31, 2018

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Note 4. Deferred costs

Deferred costs, which primarily consist of deferred sales commissions, were $30.7 million and $29.1 million as of March 31, 2018 and December 31, 2017, respectively. The Company capitalized $2.8 million and $2.7 million, during the three months ended March 31, 2018 and 2017, respectively. In addition, the Company acquired $2.7 million in connection with the business combination noted below. Amortization expense for the deferred costs was $3.9 million and $3.3 million, for the three months ended March 31, 2018 and 2017, respectively. Impairment losses related to deferred costs were immaterial for all periods presented.