Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Advertising Costs

Advertising costs for the years ended December 31, 2014, 2013 and 2012, are reflected in the following table (in thousands):

	Years Ended December 31,
	2014		2013		2012
Advertising Costs	$	42,335	$	38,845	$	42,256

Depreciation Expense Computed Using Straight-Line Method over Useful Lives

Depreciation expense is computed using the straight-line method over the following useful lives:

Computer hardware	2 to 3 years
Computer software	2 to 5 years
Furniture and equipment	5 years
Leasehold improvements	Term of lease, 5 years maximum

Internal-Use Software Development Costs Capitalized

Internal-use software development costs capitalized for the years ended December 31, 2014, 2013 and 2012, are reflected in the following table (in thousands):

	Years Ended December 31,
	2014		2013		2012
Internal-use software development costs	$	24,367	$	13,027	$	19,083