Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Operating revenue	$ 111,312	$ 144,275	$ 249,188	$ 287,199
Operating expenses:
Cost of Goods and Services Sold	49,093	50,954	106,550	96,883
Product development	8,338	11,397	17,755	22,639
Sales and marketing	3,458	4,493	7,262	10,614
General and administrative	15,464	32,866	44,708	54,310
Amortization and depreciation	3,109	3,283	6,750	7,340
Total operating expenses	79,462	102,993	183,025	191,786
Operating income	31,850	41,282	66,163	95,413
Interest income	29	129	83	479
Interest expense	(7,147)	(11,763)	(16,384)	(21,581)
Other Non-operating income	118	(11)	99	(8)
Litigation Settlement, Expense	0	(688)	0	(21,140)
Foreign currency exchange gain (loss)	91	401	709	146
Income before income taxes	24,941	29,350	50,670	53,309
Income tax (expense) benefit	(1,677)	(1,004)	(2,961)	80
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	23,264	28,346	47,709	53,389
Net Income (Loss) Attributable to Noncontrolling Interest	(211)	(505)	(489)	(1,172)
Net Income (Loss) Attributable to Parent	$ 23,475	$ 28,851	$ 48,198	$ 54,561
Basic earnings per common share	$ 0.77	$ 0.95	$ 1.58	$ 1.79
Diluted earnings per common share	$ 0.76	$ 0.94	$ 1.57	$ 1.78
Basic weighted average shares outstanding	30,504	30,528	30,490	30,526
Diluted weighted average shares outstanding	30,708	30,668	30,696	30,636