Consumer Loans Receivable (Consumer Loan Receivables by Segment and Credit Quality Indicator) (Details) $ in Thousands	Mar. 28, 2020 USD ($) Credit_Quality_Indicator	Mar. 30, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 37,779	$ 44,375
Originated after Acquisition Date	20,140	20,580
Construction Advances	13,400	12,883
Loans held for sale	14,671	11,288
Consumer loans receivable	85,990	89,126
Home-only Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	25,858	30,790
Originated after Acquisition Date	16,757	18,210
Construction Advances	0	0
Loans held for sale	292	617
Consumer loans receivable	42,907	49,617
Home-only Loans Range One
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	684	796
Originated after Acquisition Date	112	117
Construction Advances	0	0
Loans held for sale	0	0
Consumer loans receivable	$ 796	913
Home-only Loans Range One | Minimum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	0
Home-only Loans Range One | Maximum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	619
Home-only Loans Range Two
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 12,664	14,984
Originated after Acquisition Date	10,449	9,725
Construction Advances	0	0
Loans held for sale	38	0
Consumer loans receivable	$ 23,151	24,709
Home-only Loans Range Two | Minimum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	620
Home-only Loans Range Two | Maximum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	719
Home-only Loans Range Three
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 12,344	14,834
Originated after Acquisition Date	5,993	8,110
Construction Advances	0	0
Loans held for sale	254	617
Consumer loans receivable	$ 18,591	23,561
Home-only Loans Range Three | Minimum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	720
Home-only Loans Range Four
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 166	176
Originated after Acquisition Date	203	258
Construction Advances	0	0
Loans held for sale	0	0
Consumer loans receivable	369	434
Conforming Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	495	598
Originated after Acquisition Date	3,359	2,370
Construction Advances	13,400	12,883
Loans held for sale	14,379	10,671
Consumer loans receivable	31,633	26,522
Conforming Mortgages Range One
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	82	83
Originated after Acquisition Date	0	0
Construction Advances	35	0
Loans held for sale	55	460
Consumer loans receivable	$ 172	543
Conforming Mortgages Range One | Minimum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	0
Conforming Mortgages Range One | Maximum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	619
Conforming Mortgages Range Two
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 408	417
Originated after Acquisition Date	1,769	1,785
Construction Advances	9,130	8,061
Loans held for sale	9,151	6,885
Consumer loans receivable	$ 20,458	17,148
Conforming Mortgages Range Two | Minimum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	620
Conforming Mortgages Range Two | Maximum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	719
Conforming Mortgages Range Three
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 5	98
Originated after Acquisition Date	1,590	585
Construction Advances	4,235	4,822
Loans held for sale	5,173	3,326
Consumer loans receivable	$ 11,003	8,831
Conforming Mortgages Range Three | Minimum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	720
Non-conforming Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 11,418	12,978
Originated after Acquisition Date	0	0
Construction Advances	0	0
Loans held for sale	0	0
Consumer loans receivable	11,418	12,978
Non Conforming Mortgages Range One
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	1,160	1,413
Originated after Acquisition Date	0	0
Construction Advances	0	0
Loans held for sale	0	0
Consumer loans receivable	$ 1,160	1,413
Non Conforming Mortgages Range One | Minimum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	0
Non Conforming Mortgages Range One | Maximum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	619
Non Conforming Mortgages Range Two
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 6,828	7,689
Originated after Acquisition Date	0	0
Construction Advances	0	0
Loans held for sale	0	0
Consumer loans receivable	$ 6,828	7,689
Non Conforming Mortgages Range Two | Minimum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	620
Non Conforming Mortgages Range Two | Maximum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	719
Non Conforming Mortgages Range Three
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 3,252	3,661
Originated after Acquisition Date	0	0
Construction Advances	0	0
Loans held for sale	0	0
Consumer loans receivable	$ 3,252	3,661
Non Conforming Mortgages Range Three | Minimum
Gross Consumer Loans Receivable by Portfolio Segment and Credit Risk Score
Asset class credit quality indicator | Credit_Quality_Indicator	720
Non Conforming Mortgages Range Four
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	$ 178	215
Originated after Acquisition Date	0	0
Construction Advances	0	0
Loans held for sale	0	0
Consumer loans receivable	178	215
Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
At Acquisition Date	8	9
Originated after Acquisition Date	24	0
Construction Advances	0	0
Loans held for sale	0	0
Consumer loans receivable	$ 32	$ 9