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Unsecured Lines Of Credit Payable (Tables)
 12 Months Ended
Dec. 31, 2015
Unsecured Debt [Abstract]  
Lines Of Credit Unused And Available
The amount of the New Credit Facility unused and available at December 31, 2015 was as follows (in thousands):
Committed capacity
$
600,000

Borrowings outstanding
(105,000
)
Letters of credit issued (1)
(15,474
)
Unused and available
$
479,526
Repayments And Borrowings On Unsecured Lines Of Credit
We executed borrowings and repayments on the unsecured lines of credit during 2015 as follows (in thousands):
 
Prior Credit Facility No. 1
 
Prior Credit Facility No. 2
 
New Credit Facility
Balance at December 31, 2014
$
5,000

 
$
45,000

 
$
—

Borrowings
3,000

 
150,000

 
445,000

Repayments
(8,000
)
 
(195,000
)
 
(340,000
)
Balance at December 31, 2015
$
—

 
$
—

 
$
105,000
Facility Fees and interest expense, Line of Credit
For the three years ended December 31, 2015, we recognized interest expense (excluding facility fees) and facility fees as follows (in thousands):
 
Year Ended December 31,
 
2015
 
2014
 
2013
Interest expense (excluding facility fees)
$
2,266

 
$
196

 
$
867

Facility fees
1,241

 
1,267

 
1,267
Schedule of Revolving Credit Facilities Covenant Compliance
Information related to revolving credit facilities for the three years ended December 31, 2015 as follows (in thousands, except percentage amounts):
 
Year Ended December 31,
 
2015
 
2014
 
2013
Total revolving credit facilities at December 31
$
600,000

 
$
500,000

 
$
500,000

Borrowings outstanding at December 31
105,000

 
50,000

 
—

Weighted average daily borrowings during the year
167,573

 
12,849

 
61,548

Maximum daily borrowings during the year
350,000

 
55,000

 
135,000

Weighted average interest rate during the year
1.35
%
 
1.53
%
 
1.41
%
Weighted average interest rate on borrowings outstanding at December 31
1.36
%
 
1.37
%
 
N/A