Mortgage and Other Indebtedness (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Participating Mortgage Loans

Mortgage and other indebtedness consisted of the following as of December 31, 2018 and 2017:



($ in thousands)	As of December 31, 2018
	Principal		Unamortized Net Premiums		Unamortized Debt Issuance Costs			Total
Senior Unsecured Notes—Fixed Rate
Maturing at various dates through September 2027; interest rates ranging from 4.00% to 4.57% at December 31, 2018	$	550,000	$	—	$	(4,864	)	$	545,136
Unsecured Revolving Credit Facility
Matures April 2022¹; borrowing level up to $449.5 million available at December 31, 2018; interest at LIBOR + 1.15% or 3.65% at December 31, 2018	45,600		—		(3,796		)	41,804
Unsecured Term Loans
$95 million matures July 2021; interest at LIBOR + 1.30% or 3.80% at December 31, 2018; $250 million matures October 2025; interest at LIBOR + 2.00% or 4.50% at December 31, 2018	345,000		—		(2,470		)	342,530
Mortgage Notes Payable—Fixed Rate
Generally due in monthly installments of principal and interest; maturing at various dates through 2030; interest rates ranging from 3.78% to 6.78% at December 31, 2018	534,679		6,566		(584		)	540,661
Mortgage Notes Payable—Variable Rate
Due in monthly installments of principal and interest; maturing at various dates through 2025; interest at LIBOR + 1.50%-1.60%, ranging from 4.00% to 4.10% at December 31, 2018	73,491		—		(321		)	73,170
Total mortgage and other indebtedness	$	1,548,770	$	6,566	$	(12,035	)	$	1,543,301



($ in thousands)	As of December 31, 2017
	Principal		Unamortized Net Premiums		Unamortized Debt Issuance Costs			Total
Senior Unsecured Notes—Fixed Rate
Maturing at various dates through September 2027; interest rates ranging from 4.00% to 4.57% at December 31, 2017	$	550,000	$	—	$	(5,599	)	$	544,401
Unsecured Revolving Credit Facility
Matures July 2021¹; borrowing level up to $373.8 million available at December 31, 2018; interest at LIBOR + 1.35%² or 2.91% at December 31, 2017	60,100		—		(1,895		)	58,205
Unsecured Term Loans
$200 million matures July 2021; interest at LIBOR + 1.30%² or 2.86% at December 31, 2017; $200 million matures October 2022; interest at LIBOR + 1.60% or 3.16% at December 31, 2017	400,000		—		(1,759		)	398,241
Mortgage Notes Payable—Fixed Rate
Generally due in monthly installments of principal and interest; maturing at various dates through 2030; interest rates ranging from 3.78% to 6.78% at December 31, 2017	576,927		9,196		(755		)	585,368
Mortgage Notes Payable—Variable Rate
Due in monthly installments of principal and interest; maturing at various dates through 2023; interest at LIBOR + 1.60%-2.25%, ranging from 3.16% to 3.81% at December 31, 2017	113,623		—		(599		)	113,024
Total mortgage and other indebtedness	$	1,700,650	$	9,196	$	(10,607	)	$	1,699,239



____________________
1	This presentation reflects the Company's exercise of its options to extend the maturity date for two additional periods of six months each, subject to certain conditions.
2	The interest rates on our unsecured revolving credit facility and unsecured term loan varied at certain parts of the year due to provisions in the agreement and the amendment and restatement of the agreement.

Deferred Cost Amortization

The amounts of such amortization included in the accompanying consolidated statements of operations are as follows:



($ in thousands)	For the year ended December 31,
	2018		2017		2016
Amortization of deferred leasing costs, lease intangibles and other	$	18,648	$	22,960	$	24,898
Amortization of above market lease intangibles	2,553		4,025		6,602

The accompanying consolidated statements of operations include the following amounts of amortization of debt issuance costs as a component of interest expense:



($ in thousands)	For the year ended December 31,
	2018		2017		2016
Amortization of debt issuance costs	$	3,944	$	2,534	$	4,521

Schedule of Maturities of Long-term Debt

The following table presents maturities of mortgage debt and corporate debt as of December 31, 2018:



($ in thousands)	Scheduled Principal Payments		Term Maturities		Total
2019	$	5,034	$	—	$	5,034
2020	5,396		20,700		26,096
2021	4,627		254,875		259,502
2022	1,113		250,808		251,921
2023	806		276,940		277,746
Thereafter	6,430		722,041		728,471
	$	23,406	$	1,525,364	$	1,548,770
Unamortized net debt premiums and issuance costs, net					(5,469		)
Total					$	1,543,301