Business Divestiture - Net Gain (Loss) on Sale (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations $ in Thousands	3 Months Ended	6 Months Ended
	Jul. 04, 2021 USD ($)	Jul. 04, 2021 USD ($)
Commercial Projects
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds received	$ 2,822	$ 2,822
Estimated receivable from amount held back for retained obligations	184	184
Book value of net assets sold	(8,072)	(8,072)
Net gain (loss) on sale	(5,066)	(5,066)
Residential Leases
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds received	8,051	8,051
Book value of net assets sold	(2,760)	(2,760)
Net gain (loss) on sale	$ 5,291	$ 5,291