Organization and Summary of Significant Accounting Policies (Summary of Intangible Assets Amortized in Next Five Years) (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Value of in-place lease intangibles [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	$ (14,369)
Value of in-place lease intangibles [Member] | 2014 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(1,913)
Value of in-place lease intangibles [Member] | 2015 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(1,845)
Value of in-place lease intangibles [Member] | 2016 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(1,807)
Value of in-place lease intangibles [Member] | 2019 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(1,760)
Value of in-place lease intangibles [Member] | 2018 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(1,633)
Value of in-place lease intangibles [Member] | Year six and thereafter [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(5,411)
Above/(Below) Market Leases [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(773)
Above/(Below) Market Leases [Member] | 2014 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(98)
Above/(Below) Market Leases [Member] | 2015 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(83)
Above/(Below) Market Leases [Member] | 2016 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(103)
Above/(Below) Market Leases [Member] | 2019 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(122)
Above/(Below) Market Leases [Member] | 2018 [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	(99)
Above/(Below) Market Leases [Member] | Year six and thereafter [Member]
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	$ (268)