BUSINESS ACQUISITIONS (Details - Schedule of Purchase Price Allocation) - USD ($) $ in Thousands								12 Months Ended
	Jan. 10, 2019	Oct. 31, 2018	Jul. 23, 2018	Jun. 11, 2018	Sep. 19, 2017	Jun. 20, 2017	Jun. 14, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill								$ 420,139	$ 348,347	$ 113,368
ValuePenguin
Business Acquisition [Line Items]
Net working capital and other assets								2,502
Fixed assets								68
Intangible assets								31,600
Total intangible assets with definite lives, net	$ 31,600
Goodwill	71,700							71,739
Other noncurrent assets								323
Total purchase price	$ 106,200							106,232
Weighted Average Amortization Life	3 years 1 month 6 days
Student Loan Hero
Business Acquisition [Line Items]
Net working capital and other assets								5,429
Intangible assets								19,600
Total intangible assets with definite lives, net			$ 19,600
Goodwill			40,900					40,856
Deferred tax liabilities								(5,467)
Total purchase price			$ 60,400					60,418
Weighted Average Amortization Life			4 years
QuoteWizard
Business Acquisition [Line Items]
Net working capital and other assets								8,521
Fixed assets								1,509
Intangible assets								120,400
Total intangible assets with definite lives, net		$ 120,400
Goodwill		182,900						182,896
Other noncurrent assets								29
Total purchase price		$ 313,400						313,355
Weighted Average Amortization Life		7 years 10 months 24 days
Ovation
Business Acquisition [Line Items]
Net working capital and other assets								303
Fixed assets								76
Intangible assets								8,900
Total intangible assets with definite lives, net				$ 8,900
Goodwill				11,300				11,280
Deferred tax liabilities								(2,688)
Total purchase price				$ 17,900				$ 17,871
Weighted Average Amortization Life				5 years 4 months 24 days
DepositAccounts
Business Acquisition [Line Items]
Intangible assets							$ 9,600		9,600
Goodwill							19,400		19,389
Total purchase price							$ 29,000		28,989
Weighted Average Amortization Life							5 years 2 months 12 days
MagnifyMoney
Business Acquisition [Line Items]
Net working capital and other assets									921
Intangible assets						$ 9,700			9,700
Goodwill						$ 23,800			23,784
Deferred tax liabilities									(4,176)
Noncontrolling interest									(637)
Total purchase price									29,592
Weighted Average Amortization Life						3 years 8 months 12 days
SnapCap
Business Acquisition [Line Items]
Net working capital and other assets									42
Fixed assets									146
Intangible assets					$ 4,300				4,300
Goodwill					13,700				13,738
Total purchase price					$ 18,200				$ 18,226
Weighted Average Amortization Life					8 years 8 months 12 days