Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Summary of Benefit Payments, Which Reflect Future Service, are Expected to be Paid (Detail)

v3.19.1
Employee Benefit Plans - Summary of Benefit Payments, Which Reflect Future Service, are Expected to be Paid (Detail)
$ in Thousands
Mar. 31, 2019
USD ($)
Pension Plans, Defined Benefit [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2020 $ 1,224
2021 1,306
2022 1,378
2023 1,396
2024 1,483
2025-2029 8,273
Total 15,060
Other Postretirement Benefit Plans [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2020 78
2021 74
2022 70
2023 65
2024 61
2025-2029 239
Total $ 587