Goodwill and Other Intangible Assets - Goodwill RollForward (Details) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2015
Residential leases [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 20,771
Goodwill, end of period	20,771
Power Plant [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	440
Goodwill, end of period	$ 440

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant