Debt (Details)
$ / shares in Units, $ in Thousands |
1 Months Ended |
3 Months Ended |
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Mar. 31, 2021
USD ($)
$ / shares
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Jul. 31, 2020
USD ($)
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May 31, 2020
USD ($)
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Jul. 31, 2019
USD ($)
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May 31, 2021
USD ($)
$ / shares
$ / derivative
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May 31, 2020
USD ($)
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Feb. 28, 2021
USD ($)
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Nov. 06, 2020
USD ($)
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Jan. 30, 2017
USD ($)
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| Debt Instrument [Line Items] |
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| Debt issuance cost |
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$ 8,101
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| Long-term Line of Credit |
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1,084
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$ 1,084
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| Repayment of accrued interest in kind |
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379
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$ 141
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| Other Assets |
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| Debt Instrument [Line Items] |
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| Deferred financing fees |
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$ 23
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$ 93
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| Term Loan |
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| Debt Instrument [Line Items] |
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| Debt instrument, face amount |
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$ 20,000
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| Maximum borrowing capacity |
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$ 24,500
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$ 22,000
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$ 24,500
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$ 20,000
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| Interest Rate |
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8.00%
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10.00%
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11.75%
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8.00%
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| Interest expenses |
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$ 0
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$ 794
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| Amortization of debt discount |
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81
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| Additional Borrowing Capacity |
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$ 2,500
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$ 2,000
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2,500
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| Interest Payable in Kind Accrued Rate |
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4.50%
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2.00%
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| Debt instrument exit fee |
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1.00%
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| Repayment of principle portion of debt |
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$ 24,500
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| Repayment of accrued interest in kind |
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600
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| Debt instrument end charges |
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251
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| Debt instrument prepayment fee |
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$ 502
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| Term Loan | Prepayment of Loan Occur on or Before December 31, 2020 |
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| Debt Instrument [Line Items] |
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| Debt instrument exit fee |
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2.00%
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| Term Loan | Prepayment of Loan Occur on or After December 31, 2020 |
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| Debt Instrument [Line Items] |
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| Debt instrument exit fee |
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0.50%
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| Convertible Senior Notes |
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| Debt Instrument [Line Items] |
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| Debt instrument, face amount |
$ 287,500
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| Interest Rate |
0.50%
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| Conversion rate | $ / shares |
$ 19.8088
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$ 50.48
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| Principal amount denomination |
$ 1
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| Threshold percentage of stock price trigger |
130.00%
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| Threshold trading days |
20
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| Threshold consecutive trading days |
30
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| Percentage of principal amount redeemed |
100.00%
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| Cap price | $ / derivative |
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76.20
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| Proceeds from notes payable |
$ 279,132
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| Payment of costs of the capped call transactions |
34,443
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| Cost which includes allocated pro-rata on capped call costs |
8,428
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| Long-term Debt |
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$ 287,500
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| Outstanding debt |
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279,434
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| Debt issuance cost |
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8,066
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| Interest expenses |
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553
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| Amortization of debt discount |
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$ 302
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| Amount allocated to capped call |
$ 60
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| Number of business day |
5
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| Number of consecutive trading day |
10
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| Percentage of average conversion value of note |
98.00%
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| Effective interest rate |
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0.60%
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| Percentage of premium over last reported sale price |
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100.00%
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| Amount allocated to the Notes |
$ 8,368
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| Revolving Credit Facility, 2019 |
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| Debt Instrument [Line Items] |
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| Maximum borrowing capacity |
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$ 80,000
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$ 50,000
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| Long-term Debt |
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$ 78,916
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| Outstanding debt |
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0
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| Debt issuance cost |
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543
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| Interest expenses |
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121
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557
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| Amortization of deferred financing fees |
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$ 70
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$ 60
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| Revolving Credit Facility, 2019 | London Interbank Offered Rate |
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| Debt Instrument [Line Items] |
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| Debt Instrument, Basis Spread on Variable Rate |
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3.50%
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| Revolving Credit Facility, 2019 | Base Rate |
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| Debt Instrument [Line Items] |
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| Debt Instrument, Basis Spread on Variable Rate |
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2.50%
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