Borrowings Under Credit Facilities and Related Items (Tables)

6 Months Ended

Jun. 30, 2015

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

Aggregate borrowings under the unsecured line of credit arrangements

		Three Months Ended June 30,				Six Months Ended June 30,
		2015		2014		2015		2014
Balance outstanding at quarter end(1)		$	350,000	$	-	$	350,000	$	-
Maximum amount outstanding at any month end		$	535,000	$	637,000	$	535,000	$	637,000
Average amount outstanding (total of daily
	principal balances divided by days in period)	$	501,758	$	375,824	$	455,608	$	331,602
Weighted average interest rate (actual interest
	expense divided by average borrowings outstanding)		1.13%		1.37%		1.17%		1.36%
(1) As of June 30, 2015, letters of credit in the aggregate amount of $61,882,247 have been issued, which reduces the borrowing capacity on the unsecured revolving credit facility.