EARNINGS (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		8 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic earnings per share:
Net loss attributable to loanDepot, Inc.	$ (60,081)	$ 51,475		$ (195,750)	$ 104,911
Weighted average shares - basic (in shares)	162,464,369	130,297,565		151,803,928	127,941,331
Earnings per share - Basic (in usd per share)	$ (0.37)	$ 0.40		$ (1.29)	$ 0.82
Diluted income per share:
Net loss allocated to common stockholders - diluted	$ (60,081)	$ 51,475		$ (195,751)	$ 104,911
Weighted average shares - diluted (in shares)	162,464,369	130,297,565		151,803,928	127,941,331
Earnings per share - Diluted (in usd per share)	$ (0.37)	$ 0.40		$ (1.29)	$ 0.82
Class B
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Common stock, shares, outstanding (in shares)	0	0	0	0	0
Class A
Basic earnings per share:
Net loss attributable to loanDepot, Inc.	$ (24,200)	$ 6,052		$ (70,421)	$ 9,233
Weighted average shares - basic (in shares)	65,437,698	15,318,921		54,611,035	11,259,896
Earnings per share - Basic (in usd per share)	$ (0.37)	$ 0.40		$ (1.29)	$ 0.82
Diluted income per share:
Net loss allocated to common stockholders - diluted	$ (24,200)	$ 6,052		$ (70,421)	$ 9,233
Weighted average shares - diluted (in shares)	65,437,698	15,318,921		54,611,035	11,259,896
Earnings per share - Diluted (in usd per share)	$ (0.37)	$ 0.40		$ (1.29)	$ 0.82
Class A | RSUs
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities (in shares)	14,869,764	1,405,281	1,008,758	12,907,024
Class D
Basic earnings per share:
Net loss attributable to loanDepot, Inc.	$ (35,881)	$ 45,423		$ (125,330)	$ 95,678
Weighted average shares - basic (in shares)	97,026,671	114,978,644		97,192,893	116,681,435
Earnings per share - Basic (in usd per share)	$ (0.37)	$ 0.40		$ (1.29)	$ 0.82
Diluted income per share:
Net loss allocated to common stockholders - diluted	$ (35,881)	$ 45,423		$ (125,330)	$ 95,678
Weighted average shares - diluted (in shares)	97,026,671	114,978,644		97,192,893	116,681,435
Earnings per share - Diluted (in usd per share)	$ (0.37)	$ 0.40		$ (1.29)	$ 0.82
Class C | Common shares
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities (in shares)	156,677,534	191,579,524	195,111,599	167,796,888