Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest Income
Loans	$ 177	$ 145	$ 332	$ 275
Investment securities	20	21	44	43
Interest-earning deposits and other	1	1	2	1
Total interest income	198	167	378	319
Interest Expense
Deposits	35	21	64	38
Short-term Federal Home Loan Bank advances and other	17	17	34	32
Long-term Federal Home Loan Bank advances	1	7	2	14
Other long-term debt	7	7	14	14
Total interest expense	60	52	114	98
Net interest income	138	115	264	221
Provision (benefit) for loan losses	17	(1)	17	(1)
Net interest income after provision (benefit) for loan losses	121	116	247	222
Noninterest Income
Net gain on loan sales	75	63	124	123
Loan fees and charges	24	24	41	44
Net return on mortgage servicing rights	5	9	11	13
Loan administration income	6	5	17	10
Deposit fees and charges	10	5	18	10
Other noninterest income	48	17	66	34
Total noninterest income	168	123	277	234
Noninterest Expense
Compensation and benefits	90	80	177	160
Occupancy and equipment	40	30	78	60
Commissions	25	25	38	43
Loan processing expense	21	15	38	29
Legal and professional expense	6	6	12	12
Federal insurance premiums	5	6	9	12
Intangible asset amortization	4	1	8	1
Other noninterest expense	23	14	45	33
Total noninterest expense	214	177	405	350
Income before income taxes	75	62	119	106
Provision for income taxes	14	12	22	21
Net income	$ 61	$ 50	$ 97	$ 85
Net income per share
Basic (in dollars per share)	$ 1.08	$ 0.86	$ 1.71	$ 1.47
Diluted (in dollars per share)	$ 1.06	$ 0.85	$ 1.69	$ 1.45
Weighted average shares outstanding
Basic (in shares)	56,446,077	57,491,714	56,670,690	57,424,557
Diluted (in shares)	57,061,822	58,258,577	57,322,513	58,286,327