Fair Value Measurements - Narrative (Details) - USD ($)	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Standby Letters of Credit | Line of Credit
Long Lived Assets Held-for-sale [Line Items]
Line of credit facility, maximum borrowing capacity	$ 30,000,000.0
Proceeds from revolving credit facility	23,100,000
Fair Value, Recurring
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale	$ 2,300,000	$ 2,300,000