Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator:
Net income (loss) attributable to the Company	$ 6,632	$ (10,512)	$ (18,174)	$ 13,296
Adjustments to net income (loss) attributable to the Company	0	208	355	70
Net income (loss) attributable to common shareholders	6,632	(10,304)	(17,819)	13,366
Less: net income allocated to participating securities	223	0	0	568
Allocation of net income (loss) among common shareholders	6,409	(10,304)	(17,819)	12,798
Reallocation of income (loss) to Company upon assumed exchange of units	7,307	0	(701)	14,028
Less: net income allocated to participating securities	223	0	0	568
Allocation of net income (loss) among common shareholders	$ 13,716	$ (10,304)	$ (18,520)	$ 26,826
Restricted Stock Units (RSUs)
Diluted income (loss) per share:
Anti-dilutive potential securities (in shares)	0	36,289	0	36,289
Performance Restricted Stock Units (RSUs)
Diluted income (loss) per share:
Anti-dilutive potential securities (in shares)	338,813	388,155	338,813	388,155
Restricted Shares
Diluted income (loss) per share:
Anti-dilutive potential securities (in shares)	0	2,257,787	1,762,969	0
Performance Restricted Shares
Diluted income (loss) per share:
Anti-dilutive potential securities (in shares)	0	776,312	713,415	0
Common Class A
Diluted income (loss) per share:
Anti-dilutive potential securities (in shares)	3,137,134	79,299,016	76,120,179	0
Common Class A
Numerator:
Net income (loss) attributable to common shareholders	$ 6,406	$ (10,300)	$ (17,813)	$ 12,793
Numerator for diluted net loss available to Class A/B common shareholders	$ 13,713	$ (10,300)	$ (18,514)	$ 26,821
Denominator:
Basic weighted average Class A/B common shares outstanding (in shares)	66,731,233	66,256,961	66,690,550	66,234,066
Diluted weighted average Class A/B common shares outstanding (in shares)	142,851,412	66,256,961	68,854,356	145,403,189
Basic income (loss) per share:
Class A/B common shares (in dollars per share)	$ 0.10	$ (0.16)	$ (0.27)	$ 0.19
Diluted income (loss) per share:
Class A/B common shares (in dollars per share)	$ 0.10	$ (0.16)	$ (0.27)	$ 0.18
Common Class B
Numerator:
Net income (loss) attributable to common shareholders	$ 3	$ (4)	$ (6)	$ 5
Numerator for diluted net loss available to Class A/B common shareholders	$ 3	$ (4)	$ (6)	$ 5
Denominator:
Basic weighted average Class A/B common shares outstanding (in shares)	79,233,544	79,275,234	79,233,544	79,169,124
Diluted weighted average Class A/B common shares outstanding (in shares)	79,233,544	79,275,234	79,233,544	79,275,824
Basic income (loss) per share:
Class A/B common shares (in dollars per share)	$ 0.00	$ (0.00)	$ (0.00)	$ 0.00
Diluted income (loss) per share:
Class A/B common shares (in dollars per share)	$ 0.00	$ (0.00)	$ (0.00)	$ 0.00