LOANS AND ALLOWANCE FOR CREDIT LOSSES (Consumer Lending Asset Quality Indicators - Credit Score) (Details) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Loans Receivable [Line Items]
Total	[1],[2]	$ 91,293,831	$ 92,705,440
Consumer
Loans Receivable [Line Items]
Total		50,474,189	51,670,724
RICs and auto loans | Consumer
Loans Receivable [Line Items]
2020		9,034,456
2019		14,927,097
2018		6,902,243
2017		2,872,571
2016		1,855,420
Prior		1,773,611
Total		$ 37,365,398	$ 36,456,747
Total, percent		100.00%	100.00%
RICs and auto loans | Consumer | No FICO
Loans Receivable [Line Items]
2020		$ 885,580
2019		1,458,569
2018		683,611
2017		683,924
2016		364,506
Prior		282,890
Total		$ 4,359,080	$ 3,178,459
Total, percent		11.70%	8.70%
RICs and auto loans | Consumer | FICO score less than 600
Loans Receivable [Line Items]
2020		$ 3,031,459
2019		5,184,779
2018		3,226,089
2017		1,415,247
2016		898,892
Prior		941,407
Total		$ 14,697,873	$ 15,013,670
Total, percent		39.30%	41.20%
RICs and auto loans | Consumer | FICO score of 600 to 639
Loans Receivable [Line Items]
2020		$ 1,292,685
2019		2,309,243
2018		1,239,841
2017		426,809
2016		307,914
Prior		275,111
Total		$ 5,851,603	$ 5,957,970
Total, percent		15.70%	16.30%
RICs and auto loans | Consumer | FICO score equal to or greater than 640
Loans Receivable [Line Items]
2020		$ 3,824,732
2019		5,974,506
2018		1,752,702
2017		346,591
2016		284,108
Prior		274,203
Total		$ 12,456,842	$ 12,306,648
Total, percent		33.30%	33.80%

[1] LHFI includes $72.9 million and $102.0 million of loans recorded at fair value at June 30, 2020 and December 31, 2019, respectively.

[2] The Company has interests in certain Trusts that are considered VIEs for accounting purposes. At June 30, 2020 and December 31, 2019, LHFI included $22.5 billion and $26.5 billion, Operating leases assets, net included $16.2 billion and $16.5 billion, restricted cash included $1.6 billion and $1.6 billion, other assets included $703.2 million and $625.4 million, Borrowings and other debt obligations included $32.3 billion and $34.2 billion, and Other liabilities included $101.1 million and $188.1 million of assets or liabilities that were included within VIEs, respectively. See Note 7 to these Condensed Consolidated Financial Statements for additional information.