Long‑Term Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Debt Instrument [Line Items]
Amortization and write-off of deferred debt issuance costs			$ 2,371	$ 277
Interest expense other borrowings	$ 45	$ 13	33	25
Interest expense	2,582	1,156	4,983	2,846
Interest Rate Swap
Debt Instrument [Line Items]
Interest rate swap	316	0	617	0
Revolving Credit Facility
Debt Instrument [Line Items]
Interest expense for debt	850	1,004	1,579	2,544
Amortization and write-off of deferred debt issuance costs	221	139	796	277
Interest expense and amortization of debt issuance costs	$ 1,387	$ 1,143	$ 2,992	$ 2,821
Credit Facility
Debt Instrument [Line Items]
Weighted average interest rate over time	2.11%	1.48%	2.02%	2.18%
2026 Notes | Convertible Debt
Debt Instrument [Line Items]
Interest expense for debt	$ 217	$ 0	$ 371	$ 0
Amortization and write-off of deferred debt issuance costs	907	0	1,561	0
Interest expense and amortization of debt issuance costs	1,124	0	1,932	0
2027 Notes | Convertible Debt
Debt Instrument [Line Items]
Interest expense for debt	12	0	12	0
Amortization and write-off of deferred debt issuance costs	14	0	14	0
Interest expense and amortization of debt issuance costs	$ 26	$ 0	$ 26	$ 0