Mortgage and Other Loans (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Mortgage and Other Loans, net of discount or premium

The following table sets forth a summary of our mortgage and other loans, net of discount (in thousands). The interest rate of each loan is fixed unless otherwise indicated in the footnotes to the table:

	Outstanding Principal Balance, Net at
Property	December 31, 2015		December 31, 2014		Interest Rate		Maturity Date
Pan Am Building	$	59,997	$	59,991	6.17	%	8/11/2016
Waterfront Plaza	100,000		100,000		6.37	%	9/11/2016
Waterfront Plaza	11,000		11,000		6.37	%	9/11/2016
Davies Pacific Center	94,881		94,747		5.86	%	11/11/2016
Subtotal	265,878		265,738
Revolving line of credit(1)	25,000		25,000		1.10	%	12/31/2016
Total	$	290,878	$	290,738

(1) The revolving line of credit matures on December 31, 2016. Amounts borrowed under the revolving line of credit bear interest at a fluctuating annual rate equal to the effective rate of interest paid by the lender on time certificates of deposit, plus 1.00%.  See “Revolving Line of Credit” below.