Mortgage and Other Indebtedness - Consolidated Indebtedness by Type of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Participating Mortgage Loans [Line Items]
Principal	$ 1,452,753	$ 1,153,302
Unamortized Net Premiums	2,065	2,176
Unamortized Debt Issuance Costs	(8,330)	(8,898)
Total	1,446,488	1,146,580
Revolving credit facility
Participating Mortgage Loans [Line Items]
Principal	300,000	0
Unamortized Net Premiums	0	0
Unamortized Debt Issuance Costs	(2,329)	(2,625)
Total	297,671	(2,625)
Senior unsecured notes \| Fixed rate debt
Participating Mortgage Loans [Line Items]
Principal	550,000	550,000
Unamortized Net Premiums	0	0
Unamortized Debt Issuance Costs	(4,031)	(4,231)
Total	545,969	545,769
Unsecured term loan
Participating Mortgage Loans [Line Items]
Principal	250,000	250,000
Unamortized Net Premiums	0	0
Unamortized Debt Issuance Costs	(1,806)	(1,859)
Total	248,194	248,141
Mortgages notes payable \| Fixed rate debt
Participating Mortgage Loans [Line Items]
Principal	297,103	297,472
Unamortized Net Premiums	2,065	2,176
Unamortized Debt Issuance Costs	(38)	(40)
Total	299,130	299,608
Mortgages notes payable \| Variable rate debt
Participating Mortgage Loans [Line Items]
Principal	55,650	55,830
Unamortized Net Premiums	0	0
Unamortized Debt Issuance Costs	(126)	(143)
Total	$ 55,524	$ 55,687

Long-term Debt, Principal Balance

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- Definition

Amount, after accumulated amortization, of debt premium.

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+ References

No definition available.

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