Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Accounting Policies [Abstract]

Advertising Costs

Advertising costs for the three and six months ended June 30, 2019 and 2018, are reflected in the following table (in thousands):

	Three Months Ended    June 30,				Six Months Ended    June 30,
	2019		2018		2019		2018
Advertising costs	$	14,992	$	14,416	$	27,829	$	27,497

Internal-Use Software Development Costs Capitalized

Internal-use software development costs capitalized for the three and six months ended June 30, 2019 and 2018, are reflected in the following table (in thousands):

	Three Months Ended    June 30,				Six Months Ended    June 30,
	2019		2018		2019		2018
Internal-use software development costs	$	7,864	$	1,812	$	12,900	$	2,267