Fair Value Measurements - Additional Information (Detail) |
Mar. 31, 2019
USD ($)
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| Fair Value Disclosures [Abstract] | |
| Carrying value of notes | $ 231,900,000 |
| Debt instrument, estimated fair value | $ 212,800,000 |
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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