BUSINESS ACQUISITION (Details - 2018 Acquisitions)						3 Months Ended		9 Months Ended
	Jul. 23, 2018 USD ($)	Jun. 11, 2018 USD ($) payment	Sep. 19, 2017 USD ($) payment	Jun. 14, 2017 USD ($) payment	Nov. 17, 2016 USD ($) payment	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) segment	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Nov. 16, 2016 USD ($)
Consideration Transferred
Goodwill						$ 166,330,000		$ 166,330,000		$ 113,368,000
Fair Value of Intangible Assets
Severance expense						2,328,000	$ 0	$ 2,331,000	$ 404,000
Number of reportable segments | segment								1
Acquisition related costs								$ 1,000,000
Change in fair value of contingent consideration						2,105,000	$ 2,501,000	1,197,000	20,640,000
Student Loan Hero
Consideration Transferred
Net working capital						5,159,000		5,159,000
Intangible assets						19,900,000		19,900,000
Goodwill						41,682,000		41,682,000
Net deferred tax liabilities						(6,323,000)		(6,323,000)
Total preliminary purchase price	$ 60,418,000
Fair Value of Intangible Assets
Preliminary Fair Value	$ 19,900,000
Weighted Average Amortization Life	4 years
Initial cash consideration to acquire business	$ 60,700,000
Severance expense	2,328,000
Estimated increase to working capital	2,000,000
Acquisition related costs						200,000		500,000
Ovation
Consideration Transferred
Net working capital						323,000		323,000
Intangible assets						8,900,000		8,900,000
Goodwill						11,280,000		11,280,000
Net deferred tax liabilities						(2,708,000)		(2,708,000)
Fixed assets						76,000		76,000
Total preliminary purchase price		$ 17,871,000
Fair Value of Intangible Assets
Preliminary Fair Value		$ 8,900,000
Weighted Average Amortization Life		5 years 5 months
Initial cash consideration to acquire business		$ 12,200,000
Contingent consideration		5,800,000				6,700,000		6,700,000
Estimated increase to working capital		$ 100,000
Acquisition related costs						100,000		400,000
Number of payments | payment		2
Change in fair value of contingent consideration								900,000
CompareCards
Consideration Transferred
Total preliminary purchase price					$ 103,800,000
Fair Value of Intangible Assets
Initial cash consideration to acquire business					$ 80,700,000
Contingent consideration											$ 23,100,000
Number of payments | payment					2
Contingent consideration range, maximum											45,000,000
Change in fair value of contingent consideration								700,000
DepositAccounts
Consideration Transferred
Total preliminary purchase price				$ 29,000,000
Fair Value of Intangible Assets
Initial cash consideration to acquire business				24,000,000				0	25,000,000
Contingent consideration				$ 5,000,000
Number of payments | payment				7
Contingent consideration range, maximum				$ 9,000,000
Change in fair value of contingent consideration						100,000		1,400,000
SnapCap
Consideration Transferred
Total preliminary purchase price			$ 18,200,000
Fair Value of Intangible Assets
Initial cash consideration to acquire business			11,900,000					10,000	$ 11,886,000
Contingent consideration			$ 6,300,000			5,200,000		5,200,000
Number of payments | payment			3
Change in fair value of contingent consideration						$ 1,100,000		$ 1,800,000
Technology | Ovation
Fair Value of Intangible Assets
Preliminary Fair Value		$ 6,000,000
Weighted Average Amortization Life		7 years
Website content | Student Loan Hero
Fair Value of Intangible Assets
Preliminary Fair Value	$ 16,400,000
Weighted Average Amortization Life	3 years
Customer lists | Student Loan Hero
Fair Value of Intangible Assets
Preliminary Fair Value	$ 2,500,000
Weighted Average Amortization Life	10 years
Customer lists | Ovation
Fair Value of Intangible Assets
Preliminary Fair Value		$ 1,900,000
Weighted Average Amortization Life		1 year
Trademarks and tradenames | Student Loan Hero
Fair Value of Intangible Assets
Preliminary Fair Value	$ 1,000,000
Weighted Average Amortization Life	5 years
Trademarks and tradenames | Ovation
Fair Value of Intangible Assets
Preliminary Fair Value		$ 1,000,000
Weighted Average Amortization Life		4 years
Contingent earnout | Ovation
Fair Value of Intangible Assets
Contingent consideration range, minimum		$ 0
Contingent consideration range, maximum		$ 4,375,000
Contingent earnout | CompareCards
Fair Value of Intangible Assets
Contingent consideration range, maximum											$ 22,500,000
Contingent earnout | SnapCap
Fair Value of Intangible Assets
Contingent consideration range, minimum			$ 0
Contingent consideration range, maximum			$ 3,000,000