LONG-TERM DEBT - Credit Facility (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
	Jun. 30, 2021	Sep. 30, 2023	Sep. 21, 2022	Sep. 20, 2022	Nov. 05, 2021	Mar. 10, 2021	Mar. 09, 2021	Sep. 07, 2017
Long-term debt
Outstanding Principal		$ 549,834
Credit Facility
Long-term debt
Extension term		1 year
Maximum borrowing capacity								$ 200,000
Maximum borrowing capacity, after possible increase								$ 300,000
Unused portion of the borrowing capacity fee percentage condition		50.00%
Available borrowing capacity		$ 84,000
Amount outstanding		216,000
Borrowing capacity		300,000
Outstanding Principal		$ 216,000
Credit Facility | Minimum
Long-term debt
Commitment fee percentage on unused portion of the borrowing capacity		0.15%
Credit Facility | Maximum
Long-term debt
Commitment fee percentage on unused portion of the borrowing capacity		0.25%
Credit Facility | SOFR
Long-term debt
Debt instrument, variable rate, adjustment (as a percent)		0.10%
Credit Facility | SOFR | Minimum
Long-term debt
Margin added to variable rate basis (as a percent)		1.25%
Credit Facility | SOFR | Maximum
Long-term debt
Margin added to variable rate basis (as a percent)		2.20%
New Term Loan
Long-term debt
Outstanding Principal				$ 100,000
Debt instrument face amount after accordion option				750,000
Eighth Amendment to Revolving Credit Facility
Long-term debt
Maximum borrowing capacity			$ 300,000	210,000
Debt instrument face amount after accordion option				$ 500,000
Credit Revolver Amendment 2021
Long-term debt
Maximum borrowing capacity						$ 210,000	$ 200,000
Aggregate borrowing capacity, additional commitments						300,000
2026 Term Loan
Long-term debt
Proceeds from Lines of Credit	$ 15,000
Outstanding Principal		$ 65,000				50,000
Aggregate borrowing capacity, additional commitments	$ 65,000					$ 150,000
2026 Term Loan | SOFR
Long-term debt
Debt instrument, variable rate, adjustment (as a percent)		0.10%
2026 Term Loan | SOFR | Minimum
Long-term debt
Margin added to variable rate basis (as a percent)		1.25%
2026 Term Loan | SOFR | Maximum
Long-term debt
Margin added to variable rate basis (as a percent)		2.20%
2027 Term loan
Long-term debt
Maximum borrowing capacity					$ 400,000
Outstanding Principal		$ 100,000			$ 100,000
2027 Term loan | SOFR
Long-term debt
Debt instrument, variable rate, adjustment (as a percent)		0.10%
2027 Term loan | SOFR | Minimum
Long-term debt
Margin added to variable rate basis (as a percent)		1.25%
2027 Term loan | SOFR | Maximum
Long-term debt
Margin added to variable rate basis (as a percent)		2.20%