Secured and Unsecured Debt of the Operating Partnership

Secured Debt

On February 11, 2019, the Company repaid at par a secured mortgage note payable for $74.3 million that was due in June 2019.

Unsecured Debt

The Company generally guarantees all of the Operating Partnership’s unsecured debt obligations including the unsecured revolving credit facility, the unsecured term loan facility and all of the unsecured senior notes.

Unsecured Revolving Credit Facility and Term Loan Facility

The following table summarizes the balance and terms of our unsecured revolving credit facility as of March 31, 2019 and December 31, 2018:



	March 31, 2019			December 31, 2018
	(in thousands)
Outstanding borrowings	$	185,000		$	45,000
Remaining borrowing capacity	565,000			705,000
Total borrowing capacity ⁽¹⁾	$	750,000		$	750,000
Interest rate ⁽²⁾	3.50		%	3.48		%
Facility fee-annual rate ⁽³⁾	0.200%
Maturity date	July 2022

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(1)	We may elect to borrow, subject to bank approval and obtaining commitments for any additional borrowing capacity, up to an additional $600.0 million under an accordion feature under the terms of the unsecured revolving credit facility and unsecured term loan facility.


(2)	Our unsecured revolving credit facility interest rate was calculated based on the contractual rate of LIBOR plus 1.000% as of March 31, 2019 and December 31, 2018.

(3)

Our facility fee is paid on a quarterly basis and is calculated based on the total borrowing capacity. In addition to the facility fee, we incurred debt origination and legal costs. As of March 31, 2019 and December 31, 2018, $4.4 million and $4.7 million of unamortized deferred financing costs, respectively, which are included in prepaid expenses and other assets, net on our consolidated balance sheets, remained to be amortized through the maturity date of our unsecured revolving credit facility.

The Company intends to borrow under the unsecured revolving credit facility from time to time for general corporate purposes, to finance development and redevelopment expenditures, to fund potential acquisitions and to potentially repay long-term debt.

The following table summarizes the balance and terms of our unsecured term loan facility as of March 31, 2019 and December 31, 2018:



	March 31, 2019			December 31, 2018
	(in thousands)
Outstanding borrowings	$	150,000		$	150,000
Remaining borrowing capacity	—			—
Total borrowing capacity ⁽¹⁾	$	150,000		$	150,000
Interest rate ⁽²⁾	3.60		%	3.49		%
Undrawn facility fee-annual rate ⁽³⁾	0.200%
Maturity date	July 2022

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(1)	As of March 31, 2019 and December 31, 2018, $0.8 million and $0.9 million of unamortized deferred financing costs, respectively, remained to be amortized through the maturity date of our unsecured term loan facility.


(2)	Our unsecured term loan facility interest rate was calculated based on the contractual rate of LIBOR plus 1.100% as of March 31, 2019 and December 31, 2018.


(3)	Prior to borrowing the full capacity of our unsecured term loan facility, the undrawn facility fee was calculated based on any unused borrowing capacity and was paid on a quarterly basis.

Debt Covenants and Restrictions

The unsecured revolving credit facility, the unsecured term loan facility, the unsecured senior notes, the Series A and B Notes due 2026 and Series A and B Notes due 2027 and 2029 and certain other secured debt arrangements contain covenants and restrictions requiring us to meet certain financial ratios and reporting requirements. Some of the more restrictive financial covenants include a maximum ratio of total debt to total asset value, a minimum fixed-charge coverage ratio, a minimum unsecured debt ratio and a minimum unencumbered asset pool debt service coverage ratio. Noncompliance with one or more of the covenants and restrictions could result in the full principal balance of the associated debt becoming immediately due and payable. We believe we were in compliance with all of our debt covenants as of March 31, 2019.

Debt Maturities

The following table summarizes the stated debt maturities and scheduled amortization payments of our issued and outstanding debt as of March 31, 2019:



Year	(in thousands)
Remaining 2019	$	1,380
2020	5,137
2021	5,342
2022	340,554
2023	305,775
Thereafter	2,362,694
Total aggregate principal value ⁽¹⁾	$	3,020,882

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(1)	Includes gross principal balance of outstanding debt before the effect of the following at March 31, 2019: $16.7 million of unamortized deferred financing costs for the unsecured term loan facility, unsecured senior notes and secured debt and $6.4 million of unamortized discounts for the unsecured senior notes.

Capitalized Interest and Loan Fees

The following table sets forth gross interest expense, including debt discount/premium and deferred financing cost amortization, net of capitalized interest, for the three months ended March 31, 2019 and 2018. The interest expense capitalized was recorded as a cost of development and increased the carrying value of undeveloped land and construction in progress.



	Three Months Ended March 31,
	2019			2018
	(in thousands)
Gross interest expense	$	30,680		$	27,080
Capitalized interest and deferred financing costs	(19,437		)	(13,582		)
Interest expense	$	11,243		$	13,498