Commitments and Contingencies (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016	Apr. 01, 2017
Loss Contingencies [Line Items]
Repurchase agreements period, minimum			18 months
Repurchase agreements period, maximum			36 months
Repurchase agreements maximum amount contingently liable	$ 46,600,000		$ 46,600,000
Reserve for repurchase commitments	(1,692,000)		(1,692,000)		$ (1,749,000)
Reserve for contingent repurchase and indemnification obligations	888,000		$ 888,000		$ 885,000
IRLC Loan Commitment Range Minimum			30 days
IRLC Loan Commitment Range Maximum			180 days
CountryPlace [Member]
Loss Contingencies [Line Items]
IRLCs recorded at fair value	12,700,000		$ 12,700,000
Recognized gain on outstanding IRLCs	10,000	$ (18,000)	(15,000)	$ 10,000
Forward Commitments Recorded at Fair Value	45,400,000		45,400,000
Recognized gain (loss) on the forward sales and whole loan commitments	(227,000)	$ 33,000	(72,000)	$ (11,000)
Reinsurance Obligations [Member] | Letter of Credit [Member]
Loss Contingencies [Line Items]
Letter of Credit	$ 7,000,000		$ 7,000,000