Credit Facilities (Future Principal Payments of Outstanding Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
2020 (remainder)	$ 837
2021	1,321
2022	4,061
2023	206,498
2024	155,591
Thereafter	887,837
Total	1,256,145
Mortgages
Debt Instrument [Line Items]
2020 (remainder)	837
2021	1,191
2022	1,241
2023	6,383
2024	1,094
Thereafter	540,459
Total	551,205	$ 537,533
Credit Facility
Debt Instrument [Line Items]
2020 (remainder)	0
2021	130
2022	2,820
2023	200,115
2024	154,497
Thereafter	347,378
Total	$ 704,940

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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