Basis of Reporting - Reorganization (Details) - shares	Jul. 25, 2019	Sep. 30, 2019	Jul. 24, 2019	Dec. 31, 2018
Basis of Reporting
Shares of the Company issued as merger consideration	38,851,369
Percentage of equity interests of the Company issued as merger consideration	100.00%
Conversion ratio of PGHL shares to Company shares	6.46
Common stock, shares authorized		200,000,000	200,000,000	200,000,000
Preferred stock, shares authorized		50,000,000	50,000,000	50,000,000