Commitments and Contingencies Operating Leases Disclosures - ASC 842 (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Earnest Money Deposits and Pre-acquisition Costs Written-Off	$ 3,440	$ 466
Short-term Lease, Cost	100
Operating Lease, Expense	300
Operating Lease, Payments	$ 300
Operating Lease, Weighted Average Remaining Lease Term	3 years
Operating Lease, Weighted Average Discount Rate, Percent	5.25%