DEBT - Credit Facility (Details)					3 Months Ended	12 Months Ended
	Jun. 01, 2022 USD ($)	May 31, 2022 USD ($)	Sep. 15, 2021 USD ($)	Dec. 10, 2019 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jan. 01, 2022 USD ($)
Line of Credit Facility [Line Items]
Proceeds from term loan						$ 0	$ 250,000,000	$ 0
Current portion of long-term debt						3,125,000	2,500,000	166,008,000	$ 169,221,000
Letters of credit outstanding						200,000	200,000
Ratio of debt to EBITDA Increase			0.50
Write-off of previously-capitalized debt issuance costs						0	0	1,066,000
Amortization of debt issuance costs						3,137,000	6,432,000	5,992,000
Amortization of debt discount						0	1,475,000	30,695,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Percent of domestic subsidiaries equity			100.00%
Percent of voting equity			65.00%
Percent of non-voting equity			100.00%
Revolving credit facility, letter of credit fronting fee percentage			0.125%
Letter of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 20,000,000
Benchmark Rate | Revolving Credit Facility
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			1.00%
Fed Funds Effective Rate Overnight Index Swap Rate | Revolving Credit Facility
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			0.50%
Minimum | Revolving Credit Facility
Line of Credit Facility [Line Items]
Revolving credit facility, unused capacity, commitment fee percentage			0.25%
Revolving credit facility, letter of credit participation fee percentage			2.25%
Maximum
Line of Credit Facility [Line Items]
Ratio of debt to EBITDA			2.50
Maximum | Revolving Credit Facility
Line of Credit Facility [Line Items]
Revolving credit facility, unused capacity, commitment fee percentage			0.50%
Revolving credit facility, letter of credit participation fee percentage			2.75%
Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Line of credit outstanding						0
Credit Agreement | Line of Credit
Line of Credit Facility [Line Items]
Line of credit outstanding							0
Potential additional borrowing capacity			$ 116,000,000
Credit agreement, ratio of debt to EBITDA			3.00
Premium percentage			0.010
Premium percentage period			6 months
Credit Agreement | Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 200,000,000
Capacity available for general corporate purchases			79,800,000
Covenant threshold			20,000,000
Revolving credit facility, debt issuance costs			2,800,000
Interest expense						1,500,000	1,500,000
Unused borrowing capacity fee						600,000	600,000
Amortization of debt issuance costs						900,000	900,000
Credit Agreement | Delayed Draw Term Loan | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity			250,000,000
Proceeds from term loan		$ 250,000,000
Line of credit outstanding						246,900,000	248,800,000
Current portion of long-term debt						3,100,000
Revolving credit facility, debt issuance costs			3,500,000
Unamortized debt discount			$ 2,500,000
Interest expense						$ 22,200,000	18,200,000
Unused borrowing capacity fee							5,100,000
Amortization of debt issuance costs							2,000,000
Amortization of debt discount							1,500,000
Credit Agreement | SOFR | Delayed Draw Term Loan | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate						9.21%
Credit Agreement | Minimum | SOFR | Delayed Draw Term Loan | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			3.75%
Credit Agreement | Minimum | Benchmark Rate | Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			2.25%
Credit Agreement | Minimum | Benchmark Rate | Delayed Draw Term Loan | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			3.75%
Credit Agreement | Minimum | ABR | Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			1.25%
Credit Agreement | Minimum | ABR | Delayed Draw Term Loan | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			2.75%
Credit Agreement | Maximum | SOFR | Delayed Draw Term Loan | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			4.00%
Credit Agreement | Maximum | Benchmark Rate | Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			2.75%
Credit Agreement | Maximum | Benchmark Rate | Delayed Draw Term Loan | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			4.00%
Credit Agreement | Maximum | ABR | Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			1.75%
Credit Agreement | Maximum | ABR | Delayed Draw Term Loan | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, basis spread on variable rate			3.00%
2022 Convertible Notes
Line of Credit Facility [Line Items]
Proceeds used to settle outstanding balance of debt instrument	$ 170,200,000
Interest expense							800,000	9,500,000
Amortization of debt issuance costs							$ 400,000	900,000
Amortization of debt discount								7,500,000
Amended Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Interest expense								3,400,000
Amended Revolving Credit Facility | Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity				$ 500,000,000
Revolving credit facility, term				5 years
Write-off of previously-capitalized debt issuance costs					$ 1,100,000
Unused borrowing capacity fee								2,000,000
Amortization of debt issuance costs								$ 1,400,000