Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accrued expenses
Partner commissions	$ 2,199	$ 3,319
Other taxes	9,031	10,070
Employee reimbursable expenses	1,624	1,426
Dividends payable	2,298	2,297	$ 2,294
Professional services contractor fees	6,550	4,580
Self-insurance health and dental claims	2,182	2,129
Professional fees	3,654	2,937
Short-term deferred rent	1,770	1,600
Income taxes payable	1,391	5,464
Acquisition-related expenses and merger consideration	290	834
Restructuring	105	394
Marketing and sales program expenses	1,508	1,397
Cloud hosting expenses	83	1,370
Foreign currency forward contracts	883	1,052
Fixed assets in progress	855	1,632
Other	2,328	2,267
Total accrued expenses	$ 36,751	$ 42,768