NATURE OF BUSINESS (Details ) $ / shares in Units, $ in Thousands	1 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Dec. 31, 2025 USD ($) center loan	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of centers | center			418
Number of reportable segments | loan			2
Proceeds from issuance of common stock			$ 0	$ 218,385	$ 245,832
BRMG and NY Groups revenues			262,800	221,100	205,600
BRMG and NY Groups operating expenses			262,800	221,100	205,600
Management services provided to BRMG and NY Groups			925,000	928,100	$ 849,400
BRMG and NY Groups accounts receivable			3,758,563	3,286,690
BRMG and NY Groups accounts payable			2,402,677	2,153,280
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			137,500	103,000
BRMG and NY Groups accounts payable			$ 34,900	$ 22,700
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	5,232,500	8,711,250
Stock price (in dollars per share) | $ / shares	$ 44.00	$ 29.75
Gross proceeds	$ 230,200
Public offering expenses	$ 11,800	$ 13,400
Proceeds from issuance of common stock		$ 259,200
Common Stock | Public Offering | Sold Pursuant to Exercise
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of shares issued in transaction (in shares) | shares	682,500