Debt (Narrative) (Details)					3 Months Ended		6 Months Ended
	Dec. 19, 2022	Jun. 02, 2021 USD ($)	Jun. 01, 2021	Jun. 18, 2020 USD ($) $ / shares	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) day	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 01, 2017 USD ($)
Line of Credit Facility [Line Items]
Secured term loan facility					$ 313,417,000		$ 313,417,000		$ 314,779,000
Long-term debt					307,670,000		307,670,000		308,107,000
Interest expense					$ 6,400,000	$ 4,100,000	$ 12,500,000	$ 8,000,000
Interest Expense
Line of Credit Facility [Line Items]
Debt issuance costs		$ 361,000
Debt extinguishment costs		$ 474,000
Credit Agreement
Line of Credit Facility [Line Items]
Revolving credit facility, percentage repaid for no covenants							25.00%
Convertible Senior Notes
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed				4.25%
Effective interest rate					5.05%		5.05%
Face value				$ 100,000,000
Proceeds from issuance of convertible debt				$ 96,500,000
Conversion ratio				0.0426203
Conversion price (in dollars per share) | $ / shares				$ 23.46
Debt fair value					$ 104,600,000		$ 104,600,000
Interest expense					1,200,000	$ 1,200,000	2,500,000	$ 2,500,000
Unamortized debt issuance costs					1,500,000		$ 1,500,000		1,900,000
Convertible Senior Notes | Circumstance I
Line of Credit Facility [Line Items]
Conversion trading day threshold | day							20
Conversion consecutive trading day threshold | day							30
Conversion percentage of stock price threshold							130.00%
Convertible Senior Notes | Circumstance II
Line of Credit Facility [Line Items]
Conversion trading day threshold | day							5
Conversion consecutive trading day threshold | day							5
Conversion percentage of stock price threshold							98.00%
Convertible Senior Notes | Circumstance After July 5, 2023
Line of Credit Facility [Line Items]
Conversion trading day threshold | day							20
Conversion consecutive trading day threshold | day							30
Conversion percentage of stock price threshold							130.00%
Conversion percentage of principal amount							100.00%
Term Loan balance
Line of Credit Facility [Line Items]
Secured term loan facility					$ 212,625,000		$ 212,625,000		213,750,000	$ 225,000,000
Term Loan balance | Credit Agreement | Circumstance I
Line of Credit Facility [Line Items]
Debt instrument, extension circumstance period		91 days
Term Loan balance | Credit Agreement | Circumstance II
Line of Credit Facility [Line Items]
Debt instrument, extension circumstance period		182 days
Term Loan balance | Base Rate
Line of Credit Facility [Line Items]
Credit facility margin			2.25%
Term Loan balance | Base Rate | Credit Agreement
Line of Credit Facility [Line Items]
Credit facility margin		2.50%
Term Loan balance | LIBOR
Line of Credit Facility [Line Items]
Credit facility margin			3.25%
Term Loan balance | LIBOR | Credit Agreement
Line of Credit Facility [Line Items]
Credit facility margin		3.50%
Term Loan balance | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Line of Credit Facility [Line Items]
Credit facility margin	3.50%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Credit facility aggregate commitments										30,000,000
Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum
Line of Credit Facility [Line Items]
Credit facility margin	4.00%
Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum
Line of Credit Facility [Line Items]
Credit facility margin	4.25%
Revolving Credit Facility And Term Loan
Line of Credit Facility [Line Items]
Debt issuance costs		$ 2,100,000
Amortization of the debt issuance costs		$ 1,800,000
Revolving Credit Facility And Term Loan | Credit Agreement
Line of Credit Facility [Line Items]
Secured term loan facility										$ 255,000,000
Debt instrument, extension period		2 years 6 months
Effective interest rate					9.00%		9.00%
Revolving Credit Facility And Term Loan | Convertible Senior Notes | Credit Agreement
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed		4.25%
Accounting Standards Update 2020-06 | Cumulative Effect, Period of Adoption, Adjustment | Convertible Senior Notes
Line of Credit Facility [Line Items]
Long-term debt					$ 100,000,000		$ 100,000,000		$ 100,000,000