PROPERTY, NET - Components of Property (Details) - USD ($) $ in Thousands		6 Months Ended
	Jul. 22, 2024	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 644,791		$ 647,063
Less - Accumulated depreciation and amortization		424,128		414,547
Property, net		220,663		232,516
Deferred rent		6,550		6,550
Proceeds from sale of property		1,928	$ 100
Office Building
Property, Plant and Equipment [Line Items]
Property, net		$ 70,002		72,921
Office Building | Subsequent Event
Property, Plant and Equipment [Line Items]
Proceeds from sale of property	$ 193,000
Gain from sale of property	$ 95,000
Buildings
Property, Plant and Equipment [Line Items]
Estimated Depreciable Life in Years		33 years
Property, plant and equipment, gross		$ 165,496		170,830
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 233,598		233,732
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated Depreciable Life in Years		3 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated Depreciable Life in Years		20 years
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 163,289		162,075
Furniture and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Depreciable Life in Years		3 years
Furniture and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Depreciable Life in Years		10 years
Computer software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 68,474		68,638
Computer software | Minimum
Property, Plant and Equipment [Line Items]
Estimated Depreciable Life in Years		3 years
Computer software | Maximum
Property, Plant and Equipment [Line Items]
Estimated Depreciable Life in Years		5 years
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 13,934		$ 11,788