Commercial Loans Receivable (Commercial Loans Receivable by Credit Quality Indicator and Year of Origination) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Apr. 01, 2023
Performing
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	$ 96,148	$ 103,726
Performing | Fiscal 2024
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	34,942
Performing | Fiscal 2023
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	47,827	80,193
Performing | Fiscal 2022
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	8,306	16,028
Performing | Fiscal 2021
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	2,652	4,071
Performing | Fiscal 2020
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	1,538	2,203
Performing | Fiscal 2019
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable		1,231
Performing | Fiscal 2019 and prior
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	883
Performing | Fiscal 2018 and prior
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable		0
Watch list | Fiscal 2024
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0
Watch list | Fiscal 2023
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0	0
Watch list | Fiscal 2022
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0	0
Watch list | Fiscal 2021
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0	0
Watch list | Fiscal 2020
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0	0
Watch list | Fiscal 2019
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable		0
Watch list | Fiscal 2019 and prior
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0
Watch list | Fiscal 2018 and prior
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable		0
Nonperforming | Fiscal 2024
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0
Nonperforming | Fiscal 2023
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0	0
Nonperforming | Fiscal 2022
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0	0
Nonperforming | Fiscal 2021
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0	0
Nonperforming | Fiscal 2020
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	0	0
Nonperforming | Fiscal 2019
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable		0
Nonperforming | Fiscal 2019 and prior
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable	$ 0
Nonperforming | Fiscal 2018 and prior
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable		$ 0