Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Net income attributable to shareholders	$ 2,804	$ 19,412	$ 4,243	$ 2,853	$ 1,326	$ 1,958	$ 26,459	$ 6,137
Denominator:
Basic weighted-average number of common shares (in shares)	39,107,640			37,812,921			38,603,267	37,775,775
Diluted weighted-average number of shares (in shares)	41,155,668			40,051,422			40,377,608	39,768,877
Basic earnings per share (in dollars per share)	$ 0.07			$ 0.08			$ 0.69	$ 0.17
Diluted earnings per share (in dollars per share)	$ 0.07			$ 0.07			$ 0.66	$ 0.15
Denominator calculation from basic to diluted:
Basic weighted-average number of common shares (in shares)	39,107,640			37,812,921			38,603,267	37,775,775
Stock options and other dilutive securities (in shares)	2,048,028			2,238,501			1,774,341	1,993,102
Diluted weighted-average number of shares (in shares)	41,155,668			40,051,422			40,377,608	39,768,877