Employee Benefit Plans - Additional Information (Detail) - USD ($) |
9 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Sep. 30, 2019 |
Mar. 31, 2019 |
|
| Defined Benefit Plan Disclosure [Line Items] | |||
| Self-Insured medical plan liability | $ 140,000 | $ 150,000 | |
| Pension Plans, Defined Benefit [Member] | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Contributions to its defined benefit pension plan | 0 | ||
| Contributions expected for the balance of fiscal 2020 | $ 0 | ||
| Other Postretirement Benefit Plans [Member] | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Post retirement benefit plan | 1,000 | ||
| Defined benefit plan, benefit expected to pay for the balance of fiscal 2020 | $ 77,000 |
| X | ||||||||||
- Definition The liability recognized in the balance sheet that is associated with the self insured medical plan. No definition available.
|
| X | ||||||||||
- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount of benefits for defined benefit plan expected to be paid in remainder of fiscal year. No definition available.
|
| X | ||||||||||
- Definition Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|