Shareholders' Equity - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Equity [Abstract]
Net Income (loss)	$ 7,660	$ 7,331	$ (3,870)	$ 10,619	$ 14,991	$ 6,749
Denominator for basic earnings per ordinary share - weighted average shares outstanding	44,840,263		38,200,792		42,254,672	38,135,096
Effect of dilutive securities and stock dividend	763,676				763,676	763,676
Denominator for diluted earnings per ordinary share - weighted average shares outstanding	45,603,939		38,200,792		43,018,348	38,898,772
Basic earnings (loss) per ordinary share	$ 0.17		$ (0.10)		$ 0.35	$ 0.18
Diluted earnings (loss) per ordinary share	$ 0.17		$ (0.10)		$ 0.35	$ 0.17