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Share-Based Compensation - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	May 06, 2019
2019 Equity Incentive Plan
Share-Based Compensation
Awards authorized			1,100,000
Awards issued	0
Stock Grant Plan \| Non Employee Director
Share-Based Compensation
Awards issued	13,144
Stock Grant Plan \| Non Employee Director \| Restricted stock awards
Share-Based Compensation
Compensation expense	$ 251	$ 245