Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY AND EARNINGS (LOSS) PER SHARE - Components of Basic and Diluted Earnings Per Share (Details)

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STOCKHOLDERS' EQUITY AND EARNINGS (LOSS) PER SHARE - Components of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Net income attributable to Guild, basic $ (39,009) $ 328,598
Net income attributable to Guild, diluted $ (39,009) $ 328,598
Weighted-average shares outstanding - basic (in shares) 60,967 60,981
Weighted-average shares outstanding - diluted (in shares) 60,967 61,379
Basic (loss) earnings per share:    
Class A and Class B Common Stock (in dollars per share) $ (0.64) $ 5.39
Diluted (loss) earnings per share:    
Class A and Class B Common Stock (in dollars per share) $ (0.64) $ 5.35
Class A Common Stock    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Weighted-average shares outstanding - basic (in shares) 20,634 20,648
Add dilutive effects of unvested shares of restricted stock - Class A (in shares) 0 398
Class B Common Stock    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Weighted-average shares outstanding - basic (in shares) 40,333 40,333