Borrowings Under Line of Credit Arrangements and Related Items (Tables)

9 Months Ended

Sep. 30, 2013

Borrowings Under Line of Credit Arrangement and Related Items (Tables) [Abstract]

Aggregate borrowings under the unsecured line of credit arrangements

		Three Months Ended September 30,				Nine Months Ended September 30,
		2013		2012		2013		2012
Balance outstanding at quarter end		$	847,670	$	0	$	847,670	$	0
Maximum amount outstanding at any month end		$	1,019,050	$	145,000	$	1,019,050	$	897,000
Average amount outstanding (total of daily
	principal balances divided by days in period)	$	562,978	$	165,000	$	527,890	$	255,639
Weighted average interest rate (actual interest
	expense divided by average borrowings outstanding)		1.51%		2.30%		1.43%		1.79%