Commitments and Contingencies - Future Minimum Lease Obligations (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Operating Leases, After Adoption of 842:
2020	$ 586
2021	469
2022	442
2023	454
2024	469
Thereafter	40
Total expected minimum lease obligation	2,460
Less: Amount representing interest	(291)
Operating leases, present value of net minimum lease payments	2,169
Finance Leases, After Adoption of 842:
2020	493
2021	480
2022	279
2023	21
2024	0
Thereafter	0
Total expected minimum lease obligation	1,273
Less: Amount representing interest	(223)
Finance lease, present value of net minimum lease payments	$ 1,050
Operating Leases, Before Adoption of 842:
2019		$ 717
2020		611
2021		494
2022		466
2023		479
Thereafter		1,041
Operating lease, total expected minimum lease obligation		3,808
Capital Leases, Before Adoption of 842:
2019		532
2020		532
2021		519
2022		317
2023		40
Thereafter		0
Total expected minimum lease obligation		1,940
Less: Amount representing interest		(151)
Capital leases, present value of net minimum lease payments		$ 1,789