Condensed consolidated statements of operations and comprehensive income (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Revenue:
Total revenue	$ 86,623	$ 71,067	$ 173,675	$ 140,971
Cost of revenue:
Total cost of revenue	28,183	24,492	57,482	50,040
Gross profit	58,440	46,575	116,193	90,931
Operating expenses:
Sales and marketing	8,391	7,243	17,361	14,103
Technology and development	11,645	8,398	22,550	16,377
General and administrative	9,262	7,893	17,971	15,400
Amortization of acquired intangible assets	1,494	1,478	2,985	2,948
Merger integration	2,784	0	2,784	0
Total operating expenses	33,576	25,012	63,651	48,828
Income from operations	24,864	21,563	52,542	42,103
Other income (expense), net	(1,128)	(75)	22,472	(76)
Income before income taxes	23,736	21,488	75,014	42,027
Income tax provision (benefit)	4,370	(1,029)	13,826	(3,067)
Net income and comprehensive income	19,366	22,517	61,188	45,094
Comprehensive income	$ 19,366	$ 22,517	$ 61,188	$ 45,094
Net income per share:
Basic (in usd per share)	$ 0.30	$ 0.36	$ 0.97	$ 0.73
Diluted (in usd per share)	$ 0.30	$ 0.36	$ 0.94	$ 0.72
Weighted-average number of shares used in computing net income per share:
Basic (in shares)	64,220	61,880	63,289	61,531
Diluted (in shares)	65,583	63,397	64,785	63,060
Service revenue
Revenue:
Total revenue	$ 26,282	$ 24,935	$ 53,090	$ 49,756
Cost of revenue:
Total cost of revenue	19,745	17,199	40,394	35,246
Custodial revenue
Revenue:
Total revenue	43,614	30,715	85,566	59,149
Cost of revenue:
Total cost of revenue	4,209	3,502	8,332	6,941
Interchange revenue
Revenue:
Total revenue	16,727	15,417	35,019	32,066
Cost of revenue:
Total cost of revenue	$ 4,229	$ 3,791	$ 8,756	$ 7,853