Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Operating revenue	$ 147,233	$ 128,643	$ 434,432	$ 361,499
Operating expenses:
Cost of Goods and Services Sold	55,171	42,963	152,054	126,113
Product development	11,245	11,010	33,884	28,115
Sales and marketing	4,284	4,721	14,898	13,542
General and administrative	46,900	28,188	101,210	74,416
Amortization and depreciation	3,626	2,523	10,966	7,864
Total operating expenses	121,226	89,405	313,012	250,050
Operating income	26,007	39,238	121,420	111,449
Interest income	99	103	578	309
Interest expense	(10,970)	(7,467)	(32,551)	(18,064)
Other Non-operating income	352	7	344	60
Nonoperating Income (Expense)	0	0	(21,140)	0
Foreign currency exchange loss	(641)	(921)	(495)	(2,919)
Income before income taxes	14,847	30,960	68,156	90,835
Income tax benefit (expense)	217	(1,679)	297	(6,027)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	15,064	29,281	68,453	84,808
Net Income (Loss) Attributable to Noncontrolling Interest	(5,445)	39	(6,617)	178
Net Income (Loss) Attributable to Parent	$ 20,509	$ 29,242	$ 75,070	$ 84,630
Basic earnings per common share	$ 0.67	$ 0.93	$ 2.46	$ 2.69
Diluted earnings per common share	$ 0.67	$ 0.92	$ 2.45	$ 2.67
Basic weighted average shares outstanding	30,501	31,492	30,517	31,480
Diluted weighted average shares outstanding	30,633	31,628	30,598	31,638