Debt (Tables)

9 Months Ended

Sep. 30, 2015

Our debt consists of the following (in thousands):



	September 30, 2015		December 31, 2014
Debt payable, net to 2038 ⁽¹⁾	$	1,899,540	$	1,656,083
Unsecured notes payable under credit facilities	121,500		189,000
Debt service guaranty liability	72,105		72,105
Obligations under capital leases	21,000		21,000
Total	$	2,114,145	$	1,938,188

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(1)	At September 30, 2015, interest rates ranged from 1.7% to 8.6% at a weighted average rate of 4.3%. At December 31, 2014, interest rates ranged from 3.4% to 8.6% at a weighted average rate of 4.8%.

Grouping Of Debt Between Fixed And Variable As Well As Secured And Unsecured

The allocation of total debt between fixed and variable-rate as well as between secured and unsecured is summarized below (in thousands):



	September 30, 2015		December 31, 2014
As to interest rate (including the effects of interest rate contracts):
Fixed-rate debt	$	1,897,338	$	1,651,959
Variable-rate debt	216,807		286,229
Total	$	2,114,145	$	1,938,188
As to collateralization:
Unsecured debt	$	1,633,595	$	1,343,217
Secured debt	480,550		594,971
Total	$	2,114,145	$	1,938,188

Schedule Of Credit Facilities

The following table discloses certain information regarding our unsecured notes payable under our credit facilities (in thousands, except percentages):



	September 30, 2015			December 31, 2014
Unsecured revolving credit facility:
Balance outstanding	$	107,000		$	189,000
Available balance	387,996			306,777
Letters of credit outstanding under facility	5,004			4,223
Variable interest rate (excluding facility fee)	1.0		%	0.8		%
Unsecured short-term facility:
Balance outstanding	$	14,500
Variable interest rate (excluding facility fee)	1.5		%
Both facilities:
Maximum balance outstanding during the period	$	244,500		$	270,000
Weighted average balance	100,946			151,036
Year-to-date weighted average interest rate (excluding facility fee)	0.9		%	0.8		%

Principal Payments Of Debt

Scheduled principal payments on our debt (excluding $121.5 million due under our credit facilities, $21.0 million of certain capital leases, $3.4 million fair value of interest rate contracts, $(4.7) million net premium/(discount) on debt, $3.7 million of non-cash debt-related items, and $72.1 million debt service guaranty liability) are due during the following years (in thousands):



2015 remaining	$	2,761
2016	169,653
2017	141,850
2018	62,214
2019	55,906
2020	237,425
2021	4,406
2022	307,011
2023	304,202
2024	254,394
Thereafter	357,285
Total	$	1,897,107