Fair Value Measurements - Narrative (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale	$ 2,300	$ 2,300
Level 3
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale	$ 2,300	$ 2,300