Capital Stock - Textual (Details)			3 Months Ended	9 Months Ended
	Apr. 12, 2019 shares	Feb. 08, 2018	Sep. 30, 2019 shares	Sep. 30, 2019 shares	Dec. 31, 2018 shares	Apr. 19, 2018 shares	Apr. 18, 2018 shares	Jul. 23, 2012 shares
Class of Stock [Line Items]
Conversion ratio		2
Common stock, shares authorized (in shares)			175,000,000	175,000,000	175,000,000	175,000,000	120,000,000
Number of shares authorized to be repurchased (in shares)								1,700,000
Repurchase of common stock (in shares)			0	0
Stock issued for acquisition (in shares)				3,999,623
Series A Preferred Stock
Class of Stock [Line Items]
Stock issued for acquisition (in shares)	40,000
Series B Preferred Stock
Class of Stock [Line Items]
Stock issued for acquisition (in shares)	2,000