Stockholder's Equity (Details) - shares	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Stockholder's Equity
Number of shares Issued		4,200,000
Exchange of common shares	1,590,000	5,874,000
Class B common stock
Stockholder's Equity
Number of shares Issued		4,200,000
Exchange of common shares	1,590,000	5,874,000