Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2017

Accounting Policies [Abstract]

Advertising Costs

Advertising costs for the three and six months ended June 30, 2017 and 2016, are reflected in the following table (in thousands):

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2017		2016		2017		2016
Advertising costs	$	12,225	$	12,084	$	23,696	$	23,344