Net Income Per Share - Computations of net income per basic and diluted share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net income	$ 37,616	$ 30,094	$ 112,880	$ 85,360
Preferred stock dividends	(338)	(338)	(1,014)	(1,014)
Distribution to participating securities	(213)	(147)	(622)	(410)
Net income attributable to common stockholders used to compute net income per share - basic	37,065	29,609	111,244	83,936
Dilutive effect of Exchangeable Senior Notes	72	1,885	474	5,636
Net income attributable to common stockholders used to compute net income per share - diluted	$ 37,137	$ 31,494	$ 111,718	$ 89,572
Weighted-average common shares outstanding:
Basic	27,938,568	23,890,537	27,144,953	23,889,903
Dilutive effect of Exchangeable Senior Notes	100,799	2,193,492	235,753	2,193,492
Diluted	28,157,934	26,260,704	27,496,151	26,257,504
Net income attributable to common stockholders per share:
Basic	$ 1.33	$ 1.24	$ 4.10	$ 3.51
Diluted	$ 1.32	$ 1.20	$ 4.06	$ 3.41
Restricted stock and RSUs
Weighted-average common shares outstanding:
Restricted stock and RSUs	118,567	98,093	115,445	95,527
PSUs
Weighted-average common shares outstanding:
Restricted stock and RSUs		78,582		78,582