OTHER ASSETS - Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Deferred Cost and Other Asset [Line Items]
Total definitive-lived intangible, Asset	$ 59,958	$ 49,235
Accumulated Amortization	39,681	31,211
Net	20,277	18,024
Debt issuance costs	3,550	3,122
Debt issuance costs - amortization	501	405
Debt issuance costs - net	3,049	2,717
Prepaid assets - long term	2,002	2,009
Capitalized computer software, gross	73,093	34,203
Capitalized computer software, accumulated amortization	23,556	15,930
Software costs and other - net	49,537	18,273
Total deferred charges and other assets	138,603	88,569
Total Reserve	63,738	47,546
Total Net	74,865	41,023
Deferred contracts
Deferred Cost and Other Asset [Line Items]
Total definitive-lived intangible, Asset	1,362	1,362
Accumulated Amortization	1,313	1,263
Net	49	99
Advertiser lists and customer relationships
Deferred Cost and Other Asset [Line Items]
Total definitive-lived intangible, Asset	31,674	31,674
Accumulated Amortization	26,066	20,405
Net	$ 5,608	11,269
Advertiser lists and customer relationships | Minimum
Deferred Cost and Other Asset [Line Items]
Intangible asset, useful life	3 years
Advertiser lists and customer relationships | Maximum
Deferred Cost and Other Asset [Line Items]
Intangible asset, useful life	5 years
Other definite-lived assets
Deferred Cost and Other Asset [Line Items]
Total definitive-lived intangible, Asset	$ 26,922	16,199
Accumulated Amortization	12,302	9,543
Net	$ 14,620	$ 6,656