NATURE OF BUSINESS (Details ) $ / shares in Units, $ in Thousands		12 Months Ended
	Jun. 30, 2023 shares	Dec. 31, 2023 USD ($) loan center $ / shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of centers | center		366
Number of reportable segments | loan		2
BRMG and NY Groups revenues		$ 205,600	$ 189,100	$ 179,600
BRMG and NY Groups operating expenses		205,600	189,100	179,600
Management services provided to BRMG and NY Groups		849,400	786,500	749,200
BRMG and NY Groups accounts receivable		2,690,473	2,433,907
BRMG and NY Groups accounts payable		1,877,114	1,942,455
Expenses from transactions with related party		$ 1,395,239	1,264,346	$ 1,123,274
Common Stock | Public Offering
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of shares issued in transaction (in shares) | shares	8,711,250
Stock price (in dollars per share) | $ / shares		$ 29.75
Gross proceeds		$ 259,200
Public offering expenses		13,400
Variable Interest Entity, Primary Beneficiary
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
BRMG and NY Groups accounts receivable		94,100	110,300
BRMG and NY Groups accounts payable		$ 16,700	$ 16,200