Borrowings Under Credit Facilities and Related Items (Tables)

9 Months Ended

Sep. 30, 2015

Borrowings Under Credit Facilities and Related Items (Tables) [Abstract]

Aggregate borrowings under the unsecured line of credit arrangements

		Three Months Ended September 30,				Nine Months Ended September 30,
		2015		2014		2015		2014
Balance outstanding at quarter end(1)		$	490,000	$	-	$	490,000	$	-
Maximum amount outstanding at any month end		$	490,000	$	235,000	$	535,000	$	637,000
Average amount outstanding (total of daily
	principal balances divided by days in period)	$	298,370	$	100,380	$	402,619	$	253,681
Weighted average interest rate (actual interest
	expense divided by average borrowings outstanding)		1.16%		1.67%		1.17%		1.40%
(1) As of September 30, 2015, letters of credit in the aggregate amount of $58,484,000 have been issued, which reduces the borrowing capacity on the primary unsecured revolving credit facility.