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Convertible Notes - Additional Information (Detail) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 23 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jun. 16, 2020 USD ($) $ / shares | May 20, 2023 | Jun. 30, 2020 USD ($) $ / shares shares | Jun. 30, 2020 USD ($) $ / shares | Jun. 30, 2020 USD ($) $ / shares | Jun. 30, 2019 USD ($) | May 21, 2023 TradingDays $ / shares | Jun. 09, 2020 $ / shares
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |
Payments for stock repurchase |  |  |  |  | $ 26,444,000 | $ 2,107,000 |  |
Debt instrument convertible threshold percentage of stock price trigger |  | 130.00% |  |  |  |  |  |
Principal amount of the convertible notes |  |  | $ 1,000 |  |  |  |  |
Interest expense |  |  |  | $ 377,000 |  |  |  |
Accounts Payable and Accrued Liabilities [Member] |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |
Interest payable |  |  | $ 377,000 | 377,000 | $ 377,000 |  |  |
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |
Convertible debt equity component |  |  |  | 4,153,000 |  |  |  |
Issuance costs allocated to equity component of convertible debt |  |  |  | $ 128,000 |  |  |  |
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |
Long term debt, debt component fair value | $ 145,847,000 |  |  |  |  |  |  |
Convertible notes discount rate |  |  | 5.33 | 5.33 | 5.33 |  |  |
Fair value of debt component of convertible senior notes |  |  | $ 142,202,000 | $ 142,202,000 | $ 142,202,000 |  |  |
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |
Convertible senior notes face value | $ 150,000,000 |  |  |  |  |  |  |
Convertible senior notes stated rate of interest |  |  | 4.25% | 4.25% | 4.25% |  |  |
Covertible senior notes year of maturity | 2023 |  |  |  |  |  |  |
Payments for stock repurchase | $ 23,850,000 |  |  |  |  |  |  |
Repurchased common stock, shares | shares |  |  | 6,445,949 |  |  |  |  |
Repurchase price per share | $ / shares | $ 3.70 |  |  |  |  |  |  | $ 3.70
Convertible senior notes maturity date |  |  | Jun. 15, 2023 | Jun. 15, 2023 | Jun. 15, 2023 |  |  |
Convertible debt instrument terms of interest payment |  |  | Interest rate of 4.25%: |  |  |  |  |
Convertible debt instrument conversion price | $ / shares |  |  | $ 5.92 | $ 5.92 | $ 5.92 |  |  |
Convertible debt instrument terms of conversion |  |  |  |  | Convertible at an initial conversion rate of 168.9189 shares of the Company’s common stock, per $1,000 principal amount of notes |  |  |
Convertible Debt Instrument Percentage Of Premium On The Share Price |  |  | 60.00% | 60.00% | 60.00% |  |  |
Debt instrument redemption price as a percentage of principal amount,accrued interest and unpaid interest |  |  | 100.00% |  |  |  |  |
Maximum Conversion Rate |  |  | 270.2702 |  |  |  |  |
Debt instrument percentage of principal amount due to lenders entitled to declare repurchase |  |  | 25.00% | 25.00% | 25.00% |  |  |
Maximum number of shares issuable upon conversion | shares |  |  | 40,540,530 |  |  |  |  |
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |
Debt instrument convertible threshold trading days | TradingDays |  |  |  |  |  |  | 20 |
Debt instrument convertible threshold consecutive trading days | TradingDays |  |  |  |  |  |  | 30 |
Convertible debt instrument redemption price per unit | $ / shares |  |  |  |  |  |  | $ 7.70 |
US National Bank Association [Member] | Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |
Debt instrument redemption price as a percentage of principal amount,accrued interest and unpaid interest |  |  |  |  |  |  | 100.00% |

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- Definition Amount of increase (decrease) in additional paid in capital (APIC) resulting from recognition of deferred taxes for convertible debt with a beneficial conversion feature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 51 -URI http://asc.fasb.org/extlink&oid=121610041&loc=d3e34017-109320 + Details
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- Definition Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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- Definition Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. + References No definition available. + Details
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- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031898-161870 + Details
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- Definition The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031898-161870 + Details
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- Definition Description of the conversion terms of a debt instrument which may include the conversion ratio (including all potential conversion ratios if contingently adjustable), type of debt or equity security into which the debt is convertible, the dollars of debt or the number of shares into which the instrument is convertible (or potentially convertible into), the conversion period, any contingencies associated with the conversion terms, and the existence and amount of a beneficial conversion feature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(5)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644 + Details
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- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature. + References No definition available. + Details
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- Definition Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion. + References No definition available. + Details
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- Definition Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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- Definition Aggregate amount of interest paid or due on all long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.8) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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- Definition Amount of interest payable on debt, including, but not limited to, trade payables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition Maturity date of long-term debt, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Convertible debt instrument redemption price per unit. + References No definition available. + Details
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- Definition Convertible senior notes [Line Items]. + References No definition available. + Details
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- Definition Debt instrument holders holding a certain percentage of principal amount due entitled to declare purchase in the event of default. + References No definition available. + Details
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