Debt - Narrative (Details)					1 Months Ended	3 Months Ended			9 Months Ended
	Sep. 17, 2021 USD ($)	Apr. 08, 2021 USD ($)	Feb. 10, 2020 USD ($) $ / shares shares	Apr. 15, 2019 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Treasury stock reissued (in shares) | shares			722,423
Shares issued price per share (in dollars per share) | $ / shares			$ 32.43
Treasury stock acquired average cost per share (in dollars per share) | $ / shares			$ 3.37
Loss on debt extinguishment						$ 11,916,000	$ 0		$ 11,916,000	$ 8,123,000
Liability, debt						399,625,000			399,625,000
Payments for the extinguishment of notes payable									183,618,000	66,250,000
Current portion of long-term debt						695,000			695,000		$ 666,000
Convertible Senior Notes due 2024
Debt Instrument [Line Items]
Implied estimated effective rate				10.20%
Subordinated Promissory Note
Debt Instrument [Line Items]
Liability, debt						900,000			900,000
Current portion of long-term debt						700,000			700,000
Subordinated Promissory Note | Restaurant Magic
Debt Instrument [Line Items]
Stated interest rate					5.75%
Warranty liability assumed					$ 2,000,000
Monthly principal and interest payments					$ 60,600
Convertible Notes
Debt Instrument [Line Items]
Debt issued				$ 80,000,000							133,750,000
Convertible Notes | Convertible Senior Notes due 2024
Debt Instrument [Line Items]
Debt issued						13,750,000			13,750,000		13,750,000
Stated interest rate				4.50%
Debt instrument, repurchased face amount			$ 66,300,000
Debt settlement amount			59,000,000
Settlement of equity component			30,800,000
Debt instrument pay off accrued interest			1,000,000
Loss on debt extinguishment			8,100,000
Conversion ratio				0.0350217
Liability, debt				$ 62,400,000
Equity component of notes				$ 17,600,000
Issuance costs						4,900,000			4,900,000
Issuance costs, debt component						3,800,000			3,800,000
Issuance cost, equity component									1,100,000
Income tax benefit, equity transaction								$ (1,800,000)
Convertible Notes | Convertible Senior Notes Due 2026
Debt Instrument [Line Items]
Debt issued			$ 120,000,000			120,000,000			120,000,000		$ 120,000,000
Stated interest rate			2.875%
Implied estimated effective rate	6.50%		7.30%
Conversion ratio			0.0232722
Liability, debt			$ 93,800,000
Equity component of notes			$ 26,200,000
Issuance costs						4,200,000			4,200,000
Issuance costs, debt component						3,300,000			3,300,000
Issuance cost, equity component								900,000	900,000
Income tax benefit, equity transaction								(6,200,000)		4,400,000
Convertible Notes | Convertible Senior Notes Due 2027
Debt Instrument [Line Items]
Debt issued	$ 265,000,000					265,000,000			265,000,000
Stated interest rate	1.50%
Liability, debt	$ 199,200,000
Equity component of notes	65,800,000
Issuance costs						8,300,000			8,300,000
Issuance costs, debt component						6,200,000			6,200,000
Issuance cost, equity component						2,100,000			2,100,000
Income tax benefit, equity transaction								$ (600,000)		15,900,000
Income tax effects allocated to equity, release of valuation allowance										$ 15,300,000
Credit Facility | Owl Rock Credit Agreement
Debt Instrument [Line Items]
Debt issued		$ 180,000,000				$ 398,750,000			398,750,000
Debt instrument pay off accrued interest	1,800,000
Loss on debt extinguishment									$ 11,900,000
Issuance costs		$ 9,300,000
Issuance discount rate		2.00%
Proceeds from issuance of debt		$ 170,700,000
Payments for the extinguishment of notes payable	$ 3,600,000