Benefit Plans - Schedule of Expected Benefit Payments (Detail) |
Jun. 30, 2019
USD ($)
|
---|---|
Atlas Bank Retirement Income Plan ("ABRIP") [Member] | |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] | |
2020 | $ 142,000 |
2021 | 142,000 |
2022 | 142,000 |
2023 | 140,000 |
2024 | 138,000 |
2025-2029 | 679,000 |
Benefit Equalization Plan ("BEP") [Member] | |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] | |
2020 | 234,000 |
2021 | 233,000 |
2022 | 231,000 |
2023 | 228,000 |
2024 | 226,000 |
2025-2029 | 1,071,000 |
Postretirement Welfare Plan [Member] | |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] | |
2020 | 30,000 |
2021 | 29,000 |
2022 | 37,000 |
2023 | 44,000 |
2024 | 53,000 |
2025-2029 | 336,000 |
Directors' Consultation and Retirement Plan ("DCRP") [Member] | |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] | |
2020 | 84,000 |
2021 | 47,000 |
2022 | 73,000 |
2023 | 128,000 |
2024 | 146,000 |
2025-2029 | $ 1,069,000 |