Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Interest Income
Loans	$ 108	$ 82	$ 199	$ 166
Investment securities	20	17	39	34
Interest-earning deposits and other	1	0	1	0
Total interest income	129	99	239	200
Interest Expense
Deposits	12	11	24	22
Short-term Federal Home Loan Bank advances and other	9	1	12	3
Long-term Federal Home Loan Bank advances	5	8	11	15
Other long-term debt	6	2	12	4
Total interest expense	32	22	59	44
Net interest income	97	77	180	156
Provision (benefit) for loan losses	(1)	(3)	2	(16)
Net interest income after provision (benefit) for loan losses	98	80	178	172
Noninterest Income
Net gain on loan sales	66	90	114	165
Loan fees and charges	20	19	35	34
Deposit fees and charges	5	6	9	12
Loan administration income	6	4	11	10
Net return (loss) on mortgage servicing rights	6	(4)	20	(10)
Representation and warranty benefit	3	4	7	6
Other noninterest income	10	9	20	16
Total noninterest income	116	128	216	233
Noninterest Expense
Compensation and benefits	71	66	143	134
Commissions	16	14	26	24
Occupancy and equipment	25	21	47	43
Loan processing expense	14	15	26	27
Legal and professional expense	8	6	15	15
Other noninterest expense	20	17	37	33
Total noninterest expense	154	139	294	276
Income before income taxes	60	69	100	129
Provision for income taxes	19	22	32	43
Net income	$ 41	$ 47	$ 68	$ 86
Net income per share
Basic (in dollars per share)	$ 0.72	$ 0.67	$ 1.18	$ 1.23
Diluted (in dollars per share)	$ 0.71	$ 0.66	$ 1.16	$ 1.21
Weighted average shares outstanding
Basic (in shares)	57,101,816	56,574,796	57,012,208	56,544,256
Diluted (in shares)	58,138,938	57,751,230	58,106,070	57,623,081