Other Balance Sheet Amounts

12 Months Ended

Dec. 31, 2017

Balance Sheet Related Disclosures [Abstract]

Other Balance Sheet Amounts

OTHER BALANCE SHEET AMOUNTS

The balance of property and equipment, net is as follows (in thousands):

	Useful Life	December 31,
		2017			2016
Computer equipment and software	3 – 5 years	$	38,838		$	32,926
Furniture and fixtures	7 years	3,855			3,837
Leasehold improvements	2 – 6 years	10,046			9,878
Renovation in progress	n/a	58			58
		52,797			46,699
Less: accumulated depreciation and amortization		(31,980		)	(22,737		)
Total property and equipment, net		$	20,817		$	23,962

Depreciation expense for the years ended December 31, 2017, 2016 and 2015 was $10.3 million, $9.9 million, $7.6 million, respectively.

The balance of accrued expenses is as follows (in thousands):

	December 31,
	2017		2016
Accrued bonuses	$	13,557	$	13,371
Accrued commissions	12,401		10,616
Other accrued expenses	31,570		23,632
Total accrued expenses	$	57,528	$	47,619