CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:	$ 354,205	$ 344,900	$ 336,508
Operating expenses:
Depreciation & amortization	12,610	9,117	6,929
Total operating expenses	291,786	269,840	258,171
Operating income (loss)	62,419	75,060	78,337
Other income:
Interest income	2,514	616	0
Income before income taxes	64,933	75,676	78,337
Income tax provision	14,503	17,407	26,723
Net income	$ 50,430	$ 58,269	$ 51,614
Basic net income per share (in usd per share)	$ 0.75	$ 0.87	$ 0.77
Diluted net income per share (in usd per share)	$ 0.75	$ 0.87	$ 0.77
Weighted average shares outstanding:
Basic (in shares)	66,884	66,499	66,209
Diluted (in shares)	66,884	66,560	66,266
State Enterprise Revenues
Revenues:	$ 320,700	$ 320,584	$ 311,351
Operating expenses:
State enterprise cost of revenues, exclusive of depreciation & amortization	203,694	194,989	191,572
Software & services
Revenues:	33,505	24,316	25,157
Operating expenses:
State enterprise cost of revenues, exclusive of depreciation & amortization	13,432	9,043	8,890
Selling and administrative
Operating expenses:
Selling & administrative and product support	35,200	32,747	31,351
Enterprise technology & product support
Operating expenses:
Selling & administrative and product support	$ 26,850	$ 23,944	$ 19,429