v3.25.4

Note 5 - Indebtedness (Details Textual) $ in Thousands			12 Months Ended
		Aug. 19, 2024 USD ($)	Dec. 31, 2025 USD ($)	Feb. 11, 2026 USD ($)	Jan. 08, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 16, 2021 USD ($)
Long-Term Debt, Gross			$ 2,271,023			$ 2,310,907
Debt Instrument, Collateral Amount						59,032
Debt Issuance Costs, Net			11,398			8,945
Sixth Restated Credit Agreement [Member] | Subsequent Event [Member]
Line of Credit Facility, Maximum Borrowing Capacity				$ 1,500,000
Line of Credit Facility, Maximum Borrowing Capacity, Subject to Terms and Conditions				2,000,000
Private Private Placement Notes [Member]
Debt Instrument, Face Amount		$ 150,000
Debt Issuance Costs, Net		1,120
Private Placement Notes, Due 2031 [Member]
Debt Instrument, Face Amount		$ 75,000
Debt Instrument, Interest Rate, Stated Percentage		5.32%
Debt Instrument, Term (Year)		7 years
Private Placement Notes, Due 2034 [Member]
Debt Instrument, Face Amount		$ 75,000
Debt Instrument, Interest Rate, Stated Percentage		5.53%
Debt Instrument, Term (Year)		10 years
Unsecured Revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity			750,000		$ 750,000	500,000
Long-Term Debt, Gross	[1]		198,892			194,478
Debt Issuance Costs, Net	[1]		$ 4,535			526
Unsecured Revolving Lines Of Credit [Member]
Line of Credit Facility, Number of Term Loans Available					2
Debt Instrument, Basis Spread on Variable Rate			0.775%
Unsecured Revolving Lines Of Credit [Member] | Minimum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.725%
Unsecured Revolving Lines Of Credit [Member] | Minimum [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.00%
Unsecured Revolving Lines Of Credit [Member] | Maximum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			1.40%
Unsecured Revolving Lines Of Credit [Member] | Maximum [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.40%
Term Loan Facility [Member] | A2026 Term Loan [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 200,000
Debt Instrument, Basis Spread on Variable Rate			0.85%
Term Loan Facility [Member] | A2028 Term Loan [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 400,000
Term Loan Facility [Member] | A2028 Term Loan [Member] | Minimum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.80%
Term Loan Facility [Member] | A2028 Term Loan [Member] | Minimum [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.00%
Term Loan Facility [Member] | A2028 Term Loan [Member] | Maximum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			1.60%
Term Loan Facility [Member] | A2028 Term Loan [Member] | Maximum [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.60%
Term Loan Facility [Member] | Sixth Restated Credit Agreement [Member] | Subsequent Event [Member]
Line of Credit Facility, Maximum Borrowing Capacity				$ 350,000
PNC Master Credit Facility [Member]
Long-Term Debt, Gross			$ 75,528			76,249
Debt Instrument, Face Amount							$ 79,170
Debt Instrument, Interest Rate, Stated Percentage							2.82%
Newmark Master Credit Facility [Member] | Tranche One [Member]
Debt Instrument, Face Amount							$ 331,001
Debt Instrument, Interest Rate, Stated Percentage							4.43%
Newmark Master Credit Facility [Member] | Tranche Two [Member]
Debt Instrument, Face Amount							$ 137,917
Debt Instrument, Interest Rate, Stated Percentage							4.57%
Newmark Master Credit Facility [Member] | Tranche Three [Member]
Debt Instrument, Face Amount							$ 49,493
Newmark Master Credit Facility [Member] | Tranche Four [Member]
Long-Term Debt, Gross			$ 507,007			$ 509,386
Debt Instrument, Face Amount							$ 40,468
Debt Instrument, Interest Rate, Stated Percentage							3.34%
Newmark Master Credit Facility [Member] | LIBOR [Member] | Tranche Three [Member]
Debt Instrument, Basis Spread on Variable Rate			1.70%
[1] The unsecured revolver total capacity was $500,000, of which $194,478 was outstanding as of December 31, 2024.

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