Related Party Transactions - Schedule of key terms of the loans (Details) - Loans Receivable - Related Party - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Related Party Transaction [Line Items]
TOTAL LOANS RECEIVABLE WITH RELATED PARTIES	$ 69.0	$ 0.0
MRA Hub 34 Holding, LLC
Related Party Transaction [Line Items]
Principal	$ 36.5	0.0
Equity Ownership Interest	95.00%
TOTAL LOANS RECEIVABLE WITH RELATED PARTIES	$ 36.5	0.0
MRA Hub 34 Holding, LLC \| LIBOR
Related Party Transaction [Line Items]
Interest Rate, Variable	2.50%
THP Student Housing, LLC
Related Party Transaction [Line Items]
Principal	$ 32.8	0.0
Equity Ownership Interest	97.00%
Interest Rate	3.20%
TOTAL LOANS RECEIVABLE WITH RELATED PARTIES	$ 32.5	$ 0.0

Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant