Prepaid Expenses and Other Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Prepaid Expenses And Other Current Assets [Line Items]
Software licenses and maintenance contracts	$ 11,585	$ 9,961
Deferred project costs	10,060	4,283
Guarantee deposits	4,899	4,611
Insurance	2,007	1,229
Postage	1,630	2,150
Other	3,747	3,534
Prepaid expenses and other assets	38,085	29,124
Income taxes
Prepaid Expenses And Other Current Assets [Line Items]
Prepaid income tax	2,029	1,646
Taxes other than Income
Prepaid Expenses And Other Current Assets [Line Items]
Prepaid income tax	$ 2,128	$ 1,710