Basis of Presentation and Significant Accounting Policies - Reverse Stock Split (Details)	Jun. 04, 2019	May 01, 2019	Dec. 31, 2019 shares	May 31, 2019 shares	Dec. 31, 2018 shares
Goodwill [Line Items]
Common stock authorized (in shares)			30,000,000	30,000,000	30,000,000
Stockholders' equity note, stock split (in shares)	10
Minimum
Goodwill [Line Items]
Stockholders' equity note, stock split (in shares)		0.2
Maximum
Goodwill [Line Items]
Stockholders' equity note, stock split (in shares)		0.1