Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019
Lease, Assets, Noncurrent [Abstract]
Operating lease right-of-use assets	$ 3,108
Office and other equipment, net of accumulated depreciation and amortization	614
Total lease assets	3,722
Lease, Liabilities, Current [Abstract]
Operating lease liabilities	570
Finance lease liabilities	206
Lease, Liabilities, Noncurrent [Abstract]
Operating lease liabilities	2,539
Finance lease liabilities	85
Total lease liabilities	$ 3,400
ASC 842 implementation		$ 166
Noncontrolling Interest
Lease, Liabilities, Noncurrent [Abstract]
ASC 842 implementation		99
Accounting Standards Update 2016-02
Lease, Liabilities, Noncurrent [Abstract]
ASC 842 implementation		70
Accounting Standards Update 2016-02 | Noncontrolling Interest
Lease, Liabilities, Noncurrent [Abstract]
ASC 842 implementation		$ 100