Debt (Tables)

3 Months Ended

Mar. 31, 2019

Our debt consists of the following (in thousands):



	March 31, 2019		December 31, 2018
Debt payable, net to 2038 ⁽¹⁾	$	1,705,776	$	1,706,886
Unsecured notes payable under credit facilities	—		5,000
Debt service guaranty liability	60,900		60,900
Finance lease obligation	21,875		21,898
Total	$	1,788,551	$	1,794,684

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(1)	At both March 31, 2019 and December 31, 2018, interest rates ranged from 3.3% to 7.0% at a weighted average rate of 4.0%

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):



	March 31, 2019		December 31, 2018
As to interest rate (including the effects of interest rate contracts):
Fixed-rate debt	$	1,770,930	$	1,771,999
Variable-rate debt	17,621		22,685
Total	$	1,788,551	$	1,794,684
As to collateralization:
Unsecured debt	$	1,452,892	$	1,457,432
Secured debt	335,659		337,252
Total	$	1,788,551	$	1,794,684

Schedule Of Credit Facilities

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



	March 31, 2019			December 31, 2018
Unsecured revolving credit facility:
Balance outstanding	$	—		$	5,000
Available balance	497,946			492,946
Letters of credit outstanding under facility	2,054			2,054
Variable interest rate (excluding facility fee)	3.3		%	3.3		%
Unsecured short-term facility:
Balance outstanding	$	—		$	—
Variable interest rate (excluding facility fee)	—		%	—		%
Both facilities:
Maximum balance outstanding during the period	$	5,000		$	26,500
Weighted average balance	500			1,096
Year-to-date weighted average interest rate (excluding facility fee)	3.3		%	2.9		%

Principal Payments Of Debt

Scheduled principal payments on our debt (excluding $21.9 million of a finance lease obligation, $(4.4) million net premium/(discount) on debt, $(6.5) million of deferred debt costs, $1.7 million of non-cash debt-related items, and $60.9 million debt service guaranty liability) are due during the following years (in thousands):



2019 remaining	$	71,427
2020	5,296
2021	18,434
2022	307,922
2023	347,815
2024	252,153
2025	293,807
2026	277,291
2027	38,288
2028	92,159
Thereafter	10,435
Total	$	1,715,027