Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v3.4.0.3
Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] - California [Member]
$ in Millions
Apr. 21, 2016
USD ($)
Building
Subsequent Event [Line Items]  
Number of office buildings purchased | Building 1
Payments to acquire office buildings | $ $ 30