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BORROWINGS - Additional information (Details) $ in Thousands, € in Millions, £ in Millions, kr in Millions				1 Months Ended	3 Months Ended	12 Months Ended
	Nov. 05, 2024 USD ($)	Feb. 07, 2024 USD ($)	Nov. 23, 2021 USD ($)	Feb. 28, 2019 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2025 GBP (£)	Mar. 31, 2025 EUR (€)	Dec. 31, 2024 GBP (£)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 SEK (kr)	Feb. 12, 2024 USD ($)	Apr. 30, 2022 USD ($)	Apr. 01, 2022 USD ($)	Feb. 25, 2022 USD ($)	Nov. 04, 2021 USD ($)	Feb. 25, 2021 USD ($)	Nov. 04, 2020 USD ($)	Sep. 29, 2020 USD ($)	Sep. 24, 2020 USD ($)	Aug. 03, 2020 USD ($)
Debt Instrument [Line Items]
Borrowings under credit facility					$ 497,268	$ 438,590
February 21, 2019 | Line of Credit
Debt Instrument [Line Items]
Commitment aggregate amount	$ 825,000			$ 800,000	$ 800,000	800,000								$ 1,065,000	$ 965,000	$ 875,000
Line of credit facility commitment aggregate value				$ 1,200,000										$ 1,500,000	$ 1,500,000
Line of credit, repayment period after maturity					1 year
Reallocation of loans from revolving commitments to term loan commitments	$ 100,000
Debt instrument, basis spread on variable floor rate (as percent)				1.00%
Percentage of unused portion of credit facility, greater than two-third of commitments (as percent)				0.375%
Debt issuance costs, financing fees				$ 6,400									$ 10,700
Effective interest rate					5.898%		5.898%	5.898%
February 21, 2019 | Line of Credit | Fair Value, Inputs, Level 3
Debt Instrument [Line Items]
Fair value of long-term debt					$ 497,300	438,600
February 21, 2019 | Line of Credit | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.25%			1.875%
February 21, 2019 | Line of Credit | Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				0.875%
February 21, 2019 | Line of Credit | Applicable Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.875%			1.875%
February 21, 2019 | Line of Credit | Screen Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				2.0875%
February 21, 2019 | Line of Credit | Federal Funds Purchased
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				0.50%
February 21, 2019 | Line of Credit | Overnight Bank Funding Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				0.50%
February 21, 2019 | Line of Credit | One-Month Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				1.00%
Debt instrument, credit spread adjustment				0.0010
February 21, 2019 | Line of Credit | Interest Period Of One Month
Debt Instrument [Line Items]
Debt instrument, credit spread adjustment	0.0010			0.0010
February 21, 2019 | Line of Credit | Interest Period Of Three Month
Debt Instrument [Line Items]
Debt instrument, credit spread adjustment	0.0015
February 21, 2019 | Line of Credit | Interest Period Of Six Month
Debt Instrument [Line Items]
Debt instrument, credit spread adjustment	0.0025
February 21, 2019 | Line of Credit | External Credit Rating, Investment Grade
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Debt Denominated In U.S Dollars | Line of Credit
Debt Instrument [Line Items]
Borrowings under credit facility					$ 303,000	$ 237,000
Effective interest rate					6.347%	6.484%	6.347%	6.347%	6.484%	6.484%	6.484%
Debt Denominated In U.S Dollars | Line of Credit | One-Month Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					4.303%	4.509%
Debt Denominated In Swedish Kronas | Line of Credit
Debt Instrument [Line Items]
Borrowings under credit facility						$ 900					kr 9.8
Effective interest rate						4.625%			4.625%	4.625%	4.625%
Debt Denominated In Swedish Kronas | Line of Credit | Stockholm Interbank Offered Rate (STIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						2.75%
Debt Denominated In British Pounds | Line of Credit
Debt Instrument [Line Items]
Borrowings under credit facility					$ 64,000	$ 69,600	£ 49.6		£ 55.6
Effective interest rate					6.363%	6.608%	6.363%	6.363%	6.608%	6.608%	6.608%
Debt Denominated In British Pounds | Line of Credit | Sterling Overnight Index Average (SONIA)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					4.455%	4.70%
Debt Denominated In Euro | Line of Credit
Debt Instrument [Line Items]
Borrowings under credit facility					$ 130,300	$ 131,100		€ 120.6		€ 126.6
Effective interest rate					4.625%	4.938%	4.625%	4.625%	4.938%	4.938%	4.938%
Debt Denominated In Euro | Line of Credit | Euro Interbank Offered Rate (EURIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					2.75%	3.063%
September 24, 2020 - August 2025 Notes | Notes
Debt Instrument [Line Items]
Aggregate principal amount																			$ 25,000	$ 25,000	$ 50,000
Fixed interest rate					4.66%		4.66%	4.66%													4.66%
Debt instrument, ownership percentage for immediate conversion					66.67%		66.67%	66.67%
September 24, 2020 - August 2025 Notes | Notes | Fair Value, Inputs, Level 3
Debt Instrument [Line Items]
Fair value of long-term debt					$ 49,800	$ 49,500
November 5, 2020 - Series B Notes | Notes
Debt Instrument [Line Items]
Aggregate principal amount																		$ 62,500
Fixed interest rate					4.25%		4.25%	4.25%										4.25%
November 5, 2020 - Series B Notes | Notes | Fair Value, Inputs, Level 3
Debt Instrument [Line Items]
Fair value of long-term debt					$ 61,700	61,600
November 5, 2020 - Series C Notes | Notes
Debt Instrument [Line Items]
Aggregate principal amount																		$ 112,500
Fixed interest rate					4.75%		4.75%	4.75%										4.75%
November 5, 2020 - Series C Notes | Notes | Fair Value, Inputs, Level 3
Debt Instrument [Line Items]
Fair value of long-term debt					$ 108,900	108,300
Series B And Series C Senior Unsecured Notes Due November | Notes
Debt Instrument [Line Items]
Debt instrument, ownership percentage for immediate conversion					66.67%		66.67%	66.67%
Interest rate extended																		0.0075
Investment grade conditions																		0.0150
February 25, 2021 Series D Notes | Notes
Debt Instrument [Line Items]
Aggregate principal amount																	$ 80,000
Fixed interest rate					3.41%		3.41%	3.41%									3.41%
February 25, 2021 Series D Notes | Notes | Fair Value, Inputs, Level 3
Debt Instrument [Line Items]
Fair value of long-term debt					$ 78,300	77,300
February 25, 2021 Series E Notes | Notes
Debt Instrument [Line Items]
Aggregate principal amount																	$ 70,000
Fixed interest rate					4.06%		4.06%	4.06%									4.06%
February 25, 2021 Series E Notes | Notes | Fair Value, Inputs, Level 3
Debt Instrument [Line Items]
Fair value of long-term debt					$ 66,400	65,400
Series D And Series E Senior Unsecured Notes Due February | Notes
Debt Instrument [Line Items]
Debt instrument, ownership percentage for immediate conversion					66.67%		66.67%	66.67%
Interest rate extended																	0.0075
Investment grade conditions																	0.0150
November 23, 2021 - November 2026 Notes | Notes
Debt Instrument [Line Items]
Aggregate principal amount			$ 350,000
Fixed interest rate			3.30%		3.30%		3.30%	3.30%
Redemption percentage on purchase price (as percent)			100.00%
November 23, 2021 - November 2026 Notes | Notes | Fair Value, Inputs, Level 3
Debt Instrument [Line Items]
Fair value of long-term debt					$ 330,400	329,300
February 12, 2024 - February 2029 Notes | Interest Rate Swap
Debt Instrument [Line Items]
Notional amount												$ 300,000
Company receives												7.00%
Derivative liabilities					$ 1,300	(4,400)
February 12, 2024 - February 2029 Notes | Secured Overnight Financing Rate (SOFR) | Interest Rate Swap
Debt Instrument [Line Items]
Derivative, variable interest rate												3.1475%
February 12, 2024 - February 2029 Notes | Notes
Debt Instrument [Line Items]
Aggregate principal amount		$ 300,000
Fixed interest rate		7.00%			7.00%		7.00%	7.00%
Redemption percentage on purchase price (as percent)		100.00%
Proceeds from issuance of debt		$ 292,900
February 12, 2024 - February 2029 Notes | Notes | Fair Value, Inputs, Level 3
Debt Instrument [Line Items]
Fair value of long-term debt					$ 301,300	$ 295,600

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