XML 48 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1
Borrowings Under Credit Facilities and Related Items (Tables)
 9 Months Ended
Sep. 30, 2018
Line of Credit Facility [Abstract]  
Aggregate borrowings under the unsecured line of credit arrangements
The following information relates to aggregate borrowings under the primary unsecured revolving credit facility for the periods presented (dollars in thousands): 
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2018
 
2017
 
2018
 
2017
Balance outstanding at quarter end
 
$
1,312,000

 
$
420,000

 
$
1,312,000

 
$
420,000

Maximum amount outstanding at any month end
 
$
2,148,000

 
$
645,000

 
$
2,148,000

 
$
1,010,000

Average amount outstanding (total of daily
 
 
 
 
 
 
 
 
principal balances divided by days in period)
 
$
1,519,000

 
$
450,130

 
$
819,516

 
$
601,346

Weighted average interest rate (actual interest
 
 
 
 
 
 
 
 
expense divided by average borrowings outstanding)
 
3.00
%
 
2.19
%
 
2.95
%
 
1.95
%