Commercial Loans Receivables and Allowance for Loan Loss (Finance Receivables by Evaluation Methodology) (Details) - USD ($) $ in Thousands	Jun. 29, 2019	Mar. 30, 2019	Jun. 30, 2018	Mar. 31, 2018
Allowance for loan losses and commercial loans receivables by class individually and collectively evaluated for impairment
Allowance for loan loss	$ (191)	$ (180)	$ (113)	$ (42)
Direct loans receivable
Allowance for loan losses and commercial loans receivables by class individually and collectively evaluated for impairment
Financing Receivable, Collectively Evaluated for Impairment	19,061	18,018
Financing Receivable, Individually Evaluated for Impairment	27,602	24,881
Financing Receivable, before Allowance for Credit Loss	46,663	42,899
Allowance for loan loss: collectively evaluated for impairment	(191)	(180)
Allowance for loan loss: individually evaluated for impairment	0	0
Allowance for loan loss	(191)	(180)
Participation loans receivable
Allowance for loan losses and commercial loans receivables by class individually and collectively evaluated for impairment
Financing Receivable, Collectively Evaluated for Impairment	0	0
Financing Receivable, Individually Evaluated for Impairment	413	495
Financing Receivable, before Allowance for Credit Loss	413	495
Allowance for loan loss: collectively evaluated for impairment	0	0
Allowance for loan loss: individually evaluated for impairment	0	0
Allowance for loan loss	$ 0	$ 0

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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Amount, before allowance for credit loss, of financing receivable.

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