Borrowings Under Credit Facilities and Related Items (Tables)

3 Months Ended

Mar. 31, 2016

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

Aggregate borrowings under the unsecured line of credit arrangements

		Three Months Ended March 31,
		2016		2015
Balance outstanding at quarter end(1)		$	645,000	$	410,000
Maximum amount outstanding at any month end		$	945,000	$	430,000
Average amount outstanding (total of daily
	principal balances divided by days in period)	$	671,044	$	408,944
Weighted average interest rate (actual interest
	expense divided by average borrowings outstanding)		1.29%		1.21%
(1) As of March 31, 2016, letters of credit in the aggregate amount of $48,930,000 have been issued, which reduces the borrowing capacity on the unsecured revolving credit facility.