Earnings Per Share and Dividends - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	May 05, 2020	Mar. 31, 2020	Mar. 31, 2019
Dividends Payable [Line Items]
Dividends to Class A common stockholders		$ 3,986	$ 3,740
Distributions declared to non-controlling unitholders		$ 2,763	$ 2,638
Common Class A
Dividends Payable [Line Items]
Cash dividends declared per share of Class A common stock		$ 0.22	$ 0.21
Dividends to Class A common stockholders		$ 3,986	$ 3,740
Quarterly dividend | Common Class A
Dividends Payable [Line Items]
Cash dividends declared per share of Class A common stock	$ 0.22	$ 0.22
Non-controlling interest
Dividends Payable [Line Items]
Dividends to Class A common stockholders		$ 0	$ 0