Debt - Debt Extinguishment - Narrative (Details)	3 Months Ended
Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($) Property loan
Debt Instrument [Line Items]
Debt extinguished	$ 0
Gain (Loss) on extinguishment of debt		$ 8,783,000
Two Thousand Fifteen Credit Agreement
Debt Instrument [Line Items]
Gain (Loss) on extinguishment of debt		(700,000)
Mortgages \| CMBS
Debt Instrument [Line Items]
Debt extinguished		$ 10,400,000
Number of loans paid off \| loan		1
Number of real estate properties, securing debt \| Property		1
Weighted average contractual interest rate		9.85%
Gain (Loss) on extinguishment of debt		$ 9,500,000

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Name:	us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration