Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Debt Obligations - Summary (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Debt Obligations
Applicable Interest Rate (as a percent)	4.10%
Borrowings	$ 24,000	$ 36,900
Outstanding Balance	689,465		$ 693,388
Available for borrowing	$ 510,100		527,600
Principal payments on senior unsecured notes		4,167
Bank Borrowings
Debt Obligations
Applicable Interest Rate (as a percent)	2.22%
Outstanding Balance	$ 89,900		93,900
Available for borrowing	$ 510,100		506,100
Senior Unsecured Notes
Debt Obligations
Applicable Interest Rate (as a percent)	4.39%
Outstanding Balance	$ 599,565		599,488
Available for borrowing			$ 21,500
Principal payments on senior unsecured notes		$ 4,167
Senior Unsecured Notes \| Minimum
Debt Obligations
Interest rate (as a percent)	3.85%
Senior Unsecured Notes \| Maximum
Debt Obligations
Interest rate (as a percent)	5.03%