Subsequent Events	3 Months Ended
Mar. 31, 2017
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Acquisition On April 28, 2017, we acquired a property located at 2390 Ward Avenue in Simi Valley, California for a contract price of $16.5 million. The acquisition was partially funded through a 1031 Exchange using $6.5 million of net cash proceeds from the sale of our property located at 9375 Archibald Avenue and available cash on hand. The property consists of one multi-tenant building totaling 138,700 rentable square feet. Purchase Option Exercised On April 28, 2017, pursuant to their lease, our tenant at 2811 South Harbor Boulevard exercised their option to purchase the leased property from us for the purchase option price of $18.7 million, excluding rent credits per their lease and any other customary closing costs. We expect the sale to be completed in June 2017. Dividends Declared On May 1, 2017, our board of directors declared a quarterly cash dividend of $0.145 per share of common stock and a quarterly cash distribution of $0.145 per OP Unit, to be paid on July 17, 2017, to holders of record as of June 30, 2017. Also on May 1, 2017, our board of directors declared a quarterly cash dividend of $0.36719 per share of our 5.875% Series A Cumulative Redeemable Preferred Stock, to be paid on June 30, 2017, to preferred stockholders of record as of June 15, 2017. Business Park Purchase Agreement On May 2, 2017, we entered into two agreements (the “Agreements”) with a third-party seller (the “Seller”) to acquire an industrial business park with approximately 1.1 million rentable square feet located within one of our core Southern California infill markets (the “Business Park”). The purchase price of the Business Park is $141.2 million, exclusive of closing costs. We expect to fund the acquisition through a combination of available cash on hand, by drawing on the Amended Revolver, and potential sale proceeds of pending property dispositions that remain subject to contingencies and closing conditions We made a deposit of $4.0 million upon entering into the Agreements, which may be refunded to us if we elect to terminate the transaction prior to the expiration of the due diligence period for any reason. Upon the expiration of the due diligence period, if we elect to proceed with the transaction, the deposit will be non-refundable, except in the case of a Seller default or failure to satisfy closing conditions. The acquisition is scheduled to close in the second quarter of 2017, subject to the satisfaction of customary closing conditions. There is no assurance that we will acquire the Business Park because the proposed acquisition is subject to a variety of factors, including the completion of our due diligence procedures and the satisfaction of customary closing conditions.

Subsequent Events

Acquisition

On April 28, 2017, we acquired a property located at 2390 Ward Avenue in Simi Valley, California for a contract price of $16.5 million. The acquisition was partially funded through a 1031 Exchange using $6.5 million of net cash proceeds from the sale of our property located at 9375 Archibald Avenue and available cash on hand. The property consists of one multi-tenant building totaling 138,700 rentable square feet.

Purchase Option Exercised

On April 28, 2017, pursuant to their lease, our tenant at 2811 South Harbor Boulevard exercised their option to purchase the leased property from us for the purchase option price of $18.7 million, excluding rent credits per their lease and any other customary closing costs. We expect the sale to be completed in June 2017.

Dividends Declared

On May 1, 2017, our board of directors declared a quarterly cash dividend of $0.145 per share of common stock and a quarterly cash distribution of $0.145 per OP Unit, to be paid on July 17, 2017, to holders of record as of June 30, 2017. Also on May 1, 2017, our board of directors declared a quarterly cash dividend of $0.36719 per share of our 5.875% Series A Cumulative Redeemable Preferred Stock, to be paid on June 30, 2017, to preferred stockholders of record as of June 15, 2017.

Business Park Purchase Agreement

On May 2, 2017, we entered into two agreements (the “Agreements”) with a third-party seller (the “Seller”) to acquire an industrial business park with approximately 1.1 million rentable square feet located within one of our core Southern California infill markets (the “Business Park”). The purchase price of the Business Park is $141.2 million, exclusive of closing costs. We expect to fund the acquisition through a combination of available cash on hand, by drawing on the Amended Revolver, and potential sale proceeds of pending property dispositions that remain subject to contingencies and closing conditions

We made a deposit of $4.0 million upon entering into the Agreements, which may be refunded to us if we elect to terminate the transaction prior to the expiration of the due diligence period for any reason. Upon the expiration of the due diligence period, if we elect to proceed with the transaction, the deposit will be non-refundable, except in the case of a Seller default or failure to satisfy closing conditions. The acquisition is scheduled to close in the second quarter of 2017, subject to the satisfaction of customary closing conditions.

There is no assurance that we will acquire the Business Park because the proposed acquisition is subject to a variety of factors, including the completion of our due diligence procedures and the satisfaction of customary closing conditions.