Condensed Consolidated Statement of Stockholders' Equity (UNAUDITED) - 9 months ended Sep. 30, 2018 - USD ($)	Total		Common Stock	Additional Paid-in Capital	Accumulated Retained Earnings
Beginning balance, value at Dec. 31, 2017	$ 518,000,000		$ 1,000,000	$ 162,000,000	$ 355,000,000
Beginning balance, shares at Dec. 31, 2017	99,136,304		99
Net income	$ 177,564,538	[1]	$ 0	0	178,000,000
Activity related to share-based compensation	9,000,000		0	9,000,000	0
Repurchase and retirement of common stock, value	(112,000,000)		$ 0	(3,000,000)	(109,000,000)
Repurchase and retirement of common stock, shares			(2)
Revenue recognition cumulative-effect adjustment	(38,000,000)		$ 0	0	(38,000,000)
Capital contribution	3,000,000		0	3,000,000	0
Other	4,000,000		0	3,000,000	1,000,000
Ending balance, value at Sep. 30, 2018	$ 562,000,000		$ 1,000,000	$ 174,000,000	$ 387,000,000
Ending balance, shares at Sep. 30, 2018	96,906,759		97

[1] Net income for the three months ended September 30, 2018 and 2017 was $40,533,279 and $42,700,978, respectively, and for the nine months ended September 30, 2018 and 2017 was $177,564,538 and $143,742,500, respectively.