Contractual Aging of Loan Portfolio by Segment (Detail) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 48,572	$ 39,075
Financing Receivable, Originated in Current Fiscal Year	9,075	15,115
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	15,098	3,624
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,960	3,176
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,804	1,495
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,443	976
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,657	1,836
Financing Receivable, Revolving	13,535	12,853
Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	47,938	38,455
Financing Receivable, Originated in Current Fiscal Year	9,042	15,024
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	15,010	3,548
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,867	2,935
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,564	1,387
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,365	950
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,607	1,803
Financing Receivable, Revolving	13,483	12,808
Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	317	331
Financing Receivable, Originated in Current Fiscal Year	11	46
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	52	54
Financing Receivable, Originated Two Years before Latest Fiscal Year	57	120
Financing Receivable, Originated Three Years before Latest Fiscal Year	125	79
Financing Receivable, Originated Four Years before Latest Fiscal Year	23	6
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9	3
Financing Receivable, Revolving	40	23
Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	317	289
Financing Receivable, Originated in Current Fiscal Year	22	45
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	36	22
Financing Receivable, Originated Two Years before Latest Fiscal Year	36	121
Financing Receivable, Originated Three Years before Latest Fiscal Year	115	29
Financing Receivable, Originated Four Years before Latest Fiscal Year	55	20
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	41	30
Financing Receivable, Revolving	12	22
Tech & Innovation [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,648	1,418
Financing Receivable, Originated in Current Fiscal Year	267	792
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	715	167
Financing Receivable, Originated Two Years before Latest Fiscal Year	97	108
Financing Receivable, Originated Three Years before Latest Fiscal Year	63	6
Financing Receivable, Originated Four Years before Latest Fiscal Year	5	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1	1
Financing Receivable, Revolving	500	344
Tech & Innovation [Member] | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,585	1,362
Financing Receivable, Originated in Current Fiscal Year	263	763
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	698	157
Financing Receivable, Originated Two Years before Latest Fiscal Year	88	101
Financing Receivable, Originated Three Years before Latest Fiscal Year	59	6
Financing Receivable, Originated Four Years before Latest Fiscal Year	5	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1	1
Financing Receivable, Revolving	471	334
Tech & Innovation [Member] | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	58	39
Financing Receivable, Originated in Current Fiscal Year	4	26
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	17	5
Financing Receivable, Originated Two Years before Latest Fiscal Year	8	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	29	8
Tech & Innovation [Member] | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5	17
Financing Receivable, Originated in Current Fiscal Year	0	3
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	5
Financing Receivable, Originated Two Years before Latest Fiscal Year	1	7
Financing Receivable, Originated Three Years before Latest Fiscal Year	4	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	2
Other commercial and industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	7,832	6,465
Financing Receivable, Originated in Current Fiscal Year	2,282	2,916
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,825	397
Financing Receivable, Originated Two Years before Latest Fiscal Year	280	415
Financing Receivable, Originated Three Years before Latest Fiscal Year	326	230
Financing Receivable, Originated Four Years before Latest Fiscal Year	213	81
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	190	98
Financing Receivable, Revolving	2,716	2,328
Other commercial and industrial [Member] | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	7,725	6,352
Financing Receivable, Originated in Current Fiscal Year	2,277	2,911
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,818	360
Financing Receivable, Originated Two Years before Latest Fiscal Year	252	387
Financing Receivable, Originated Three Years before Latest Fiscal Year	299	210
Financing Receivable, Originated Four Years before Latest Fiscal Year	195	80
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	189	98
Financing Receivable, Revolving	2,695	2,306
Other commercial and industrial [Member] | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	74	87
Financing Receivable, Originated in Current Fiscal Year	1	5
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6	27
Financing Receivable, Originated Two Years before Latest Fiscal Year	20	22
Financing Receivable, Originated Three Years before Latest Fiscal Year	21	18
Financing Receivable, Originated Four Years before Latest Fiscal Year	17	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	9	15
Other commercial and industrial [Member] | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	33	26
Financing Receivable, Originated in Current Fiscal Year	4	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1	10
Financing Receivable, Originated Two Years before Latest Fiscal Year	8	6
Financing Receivable, Originated Three Years before Latest Fiscal Year	6	2
Financing Receivable, Originated Four Years before Latest Fiscal Year	1	1
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1	0
Financing Receivable, Revolving	12	7
Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,681	1,723
Financing Receivable, Originated in Current Fiscal Year	168	419
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	380	201
Financing Receivable, Originated Two Years before Latest Fiscal Year	195	221
Financing Receivable, Originated Three Years before Latest Fiscal Year	177	205
Financing Receivable, Originated Four Years before Latest Fiscal Year	228	286
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	478	335
Financing Receivable, Revolving	55	56
Commercial Real Estate Owner Occupied [Member] | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,635	1,682
Financing Receivable, Originated in Current Fiscal Year	160	417
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	368	199
Financing Receivable, Originated Two Years before Latest Fiscal Year	192	220
Financing Receivable, Originated Three Years before Latest Fiscal Year	177	190
Financing Receivable, Originated Four Years before Latest Fiscal Year	223	278
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	462	322
Financing Receivable, Revolving	53	56
Commercial Real Estate Owner Occupied [Member] | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	19	12
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	10	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	10
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7	2
Financing Receivable, Revolving	2	0
Commercial Real Estate Owner Occupied [Member] | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	27	29
Financing Receivable, Originated in Current Fiscal Year	8	2
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2	2
Financing Receivable, Originated Two Years before Latest Fiscal Year	3	1
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	5
Financing Receivable, Originated Four Years before Latest Fiscal Year	5	8
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9	11
Financing Receivable, Revolving	0	0
Hotel franchise finance [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	3,112	2,534
Financing Receivable, Originated in Current Fiscal Year	706	751
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	761	205
Financing Receivable, Originated Two Years before Latest Fiscal Year	171	846
Financing Receivable, Originated Three Years before Latest Fiscal Year	781	399
Financing Receivable, Originated Four Years before Latest Fiscal Year	376	146
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	194	64
Financing Receivable, Revolving	123	123
Hotel franchise finance [Member] | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,827	2,239
Financing Receivable, Originated in Current Fiscal Year	697	721
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	741	205
Financing Receivable, Originated Two Years before Latest Fiscal Year	145	659
Financing Receivable, Originated Three Years before Latest Fiscal Year	606	332
Financing Receivable, Originated Four Years before Latest Fiscal Year	331	135
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	184	64
Financing Receivable, Revolving	123	123
Hotel franchise finance [Member] | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	102	139
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	26	88
Financing Receivable, Originated Three Years before Latest Fiscal Year	76	51
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Hotel franchise finance [Member] | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	183	156
Financing Receivable, Originated in Current Fiscal Year	9	30
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	20	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	99
Financing Receivable, Originated Three Years before Latest Fiscal Year	99	16
Financing Receivable, Originated Four Years before Latest Fiscal Year	45	11
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10	0
Financing Receivable, Revolving	0	0
Other Commercial Real Estate Non owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,625	3,952
Financing Receivable, Originated in Current Fiscal Year	1,201	1,413
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,274	755
Financing Receivable, Originated Two Years before Latest Fiscal Year	771	687
Financing Receivable, Originated Three Years before Latest Fiscal Year	481	284
Financing Receivable, Originated Four Years before Latest Fiscal Year	236	186
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	352	301
Financing Receivable, Revolving	310	326
Other Commercial Real Estate Non owner Occupied [Member] | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,530	3,889
Financing Receivable, Originated in Current Fiscal Year	1,195	1,398
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,255	755
Financing Receivable, Originated Two Years before Latest Fiscal Year	757	673
Financing Receivable, Originated Three Years before Latest Fiscal Year	455	279
Financing Receivable, Originated Four Years before Latest Fiscal Year	226	186
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	332	283
Financing Receivable, Revolving	310	315
Other Commercial Real Estate Non owner Occupied [Member] | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	57	26
Financing Receivable, Originated in Current Fiscal Year	6	15
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	19	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	3	10
Financing Receivable, Originated Three Years before Latest Fiscal Year	22	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	6	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1	1
Financing Receivable, Revolving	0	0
Other Commercial Real Estate Non owner Occupied [Member] | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	38	37
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	11	4
Financing Receivable, Originated Three Years before Latest Fiscal Year	4	5
Financing Receivable, Originated Four Years before Latest Fiscal Year	4	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	19	17
Financing Receivable, Revolving	0	11
Residential Real Estate [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	12,967	9,243
Financing Receivable, Originated in Current Fiscal Year	2,979	7,468
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,431	1,020
Financing Receivable, Originated Two Years before Latest Fiscal Year	922	399
Financing Receivable, Originated Three Years before Latest Fiscal Year	334	202
Financing Receivable, Originated Four Years before Latest Fiscal Year	162	42
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	101	76
Financing Receivable, Revolving	38	36
Residential Real Estate [Member] | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	12,950	9,228
Financing Receivable, Originated in Current Fiscal Year	2,978	7,459
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,419	1,019
Financing Receivable, Originated Two Years before Latest Fiscal Year	921	396
Financing Receivable, Originated Three Years before Latest Fiscal Year	333	201
Financing Receivable, Originated Four Years before Latest Fiscal Year	162	42
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	99	75
Financing Receivable, Revolving	38	36
Residential Real Estate [Member] | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Residential Real Estate [Member] | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	17	15
Financing Receivable, Originated in Current Fiscal Year	1	9
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	12	1
Financing Receivable, Originated Two Years before Latest Fiscal Year	1	3
Financing Receivable, Originated Three Years before Latest Fiscal Year	1	1
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2	1
Financing Receivable, Revolving	0	0
Construction And Land Development [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	3,199	3,006
Warehouse lending [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,132	5,156
Financing Receivable, Originated in Current Fiscal Year	32	243
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	231	12
Financing Receivable, Originated Two Years before Latest Fiscal Year	2	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	4,867	4,901
Warehouse lending [Member] | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,132	5,156
Financing Receivable, Originated in Current Fiscal Year	32	243
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	231	12
Financing Receivable, Originated Two Years before Latest Fiscal Year	2	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	4,867	4,901
Warehouse lending [Member] | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Warehouse lending [Member] | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Municipal and nonprofit [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,548	1,579
Financing Receivable, Originated in Current Fiscal Year	73	129
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	155	195
Financing Receivable, Originated Two Years before Latest Fiscal Year	193	101
Financing Receivable, Originated Three Years before Latest Fiscal Year	80	53
Financing Receivable, Originated Four Years before Latest Fiscal Year	45	219
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,002	878
Financing Receivable, Revolving	0	4
Municipal and nonprofit [Member] | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,542	1,579
Financing Receivable, Originated in Current Fiscal Year	73	129
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	155	195
Financing Receivable, Originated Two Years before Latest Fiscal Year	193	101
Financing Receivable, Originated Three Years before Latest Fiscal Year	74	53
Financing Receivable, Originated Four Years before Latest Fiscal Year	45	219
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,002	878
Financing Receivable, Revolving	0	4
Municipal and nonprofit [Member] | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	6	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	6	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Municipal and nonprofit [Member] | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Other, loan segment
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	179	169
Financing Receivable, Originated in Current Fiscal Year	5	16
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	14	12
Financing Receivable, Originated Two Years before Latest Fiscal Year	14	4
Financing Receivable, Originated Three Years before Latest Fiscal Year	6	4
Financing Receivable, Originated Four Years before Latest Fiscal Year	3	4
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	83	83
Financing Receivable, Revolving	54	46
Other, loan segment | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	178	168
Financing Receivable, Originated in Current Fiscal Year	5	16
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	14	12
Financing Receivable, Originated Two Years before Latest Fiscal Year	14	4
Financing Receivable, Originated Three Years before Latest Fiscal Year	6	4
Financing Receivable, Originated Four Years before Latest Fiscal Year	3	4
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	82	82
Financing Receivable, Revolving	54	46
Other, loan segment | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1	0
Financing Receivable, Revolving	0	0
Other, loan segment | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	1
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	1
Financing Receivable, Revolving	0	0
Construction And Land Development Land [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	3,199	3,006
Financing Receivable, Originated in Current Fiscal Year	514	959
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,007	658
Financing Receivable, Originated Two Years before Latest Fiscal Year	562	395
Financing Receivable, Originated Three Years before Latest Fiscal Year	108	112
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	10
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3	0
Financing Receivable, Revolving	1,005	872
Construction And Land Development Land [Member] | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	3,185	2,970
Financing Receivable, Originated in Current Fiscal Year	514	958
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,006	632
Financing Receivable, Originated Two Years before Latest Fiscal Year	550	394
Financing Receivable, Originated Three Years before Latest Fiscal Year	107	112
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	4
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3	0
Financing Receivable, Revolving	1,005	870
Construction And Land Development Land [Member] | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	28
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	22
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	6
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Construction And Land Development Land [Member] | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	14	8
Financing Receivable, Originated in Current Fiscal Year	0	1
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1	4
Financing Receivable, Originated Two Years before Latest Fiscal Year	12	1
Financing Receivable, Originated Three Years before Latest Fiscal Year	1	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	2
Equity fund resources
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,752	3,830
Financing Receivable, Originated in Current Fiscal Year	848	9
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	35	2
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	2
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2	0
Financing Receivable, Revolving	3,867	3,817
Equity fund resources | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,752	3,830
Financing Receivable, Originated in Current Fiscal Year	848	9
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	35	2
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	2
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2	0
Financing Receivable, Revolving	3,867	3,817
Equity fund resources | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Equity fund resources | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Residential - EBO
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,897	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	270
Financing Receivable, Originated Two Years before Latest Fiscal Year	753
Financing Receivable, Originated Three Years before Latest Fiscal Year	448
Financing Receivable, Originated Four Years before Latest Fiscal Year	175
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	251
Financing Receivable, Revolving	0
Residential - EBO | Pass [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,897
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	270
Financing Receivable, Originated Two Years before Latest Fiscal Year	753
Financing Receivable, Originated Three Years before Latest Fiscal Year	448
Financing Receivable, Originated Four Years before Latest Fiscal Year	175
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	251
Financing Receivable, Revolving	0
Residential - EBO | Special Mention [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Residential - EBO | Substandard [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	244	51
Financial Asset, 30 to 59 Days Past Due [Member] | Tech & Innovation [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Other commercial and industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	9	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Hotel franchise finance [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Other Commercial Real Estate Non owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Real Estate [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	100	51
Financial Asset, 30 to 59 Days Past Due [Member] | Construction And Land Development [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Warehouse lending [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Municipal and nonprofit [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Other, loan segment
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Equity fund resources
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	1	0
Financial Asset, 30 to 59 Days Past Due [Member] | Residential - EBO
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	134
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	76	1
Financial Asset, 60 to 89 Days Past Due [Member] | Tech & Innovation [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Other commercial and industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Hotel franchise finance [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Other Commercial Real Estate Non owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Real Estate [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	8	1
Financial Asset, 60 to 89 Days Past Due [Member] | Construction And Land Development [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Warehouse lending [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Municipal and nonprofit [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Other, loan segment
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Equity fund resources
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Residential - EBO
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	68
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	827	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Tech & Innovation [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other commercial and industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Hotel franchise finance [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other Commercial Real Estate Non owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Real Estate [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction And Land Development [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Warehouse lending [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Municipal and nonprofit [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other, loan segment
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Equity fund resources
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential - EBO
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	827
Financial Asset, Not Past Due
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	47,425	39,023
Financial Asset, Not Past Due | Tech & Innovation [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,648	1,418
Financial Asset, Not Past Due | Other commercial and industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	7,823	6,465
Financial Asset, Not Past Due | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,681	1,723
Financial Asset, Not Past Due | Hotel franchise finance [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	3,112	2,534
Financial Asset, Not Past Due | Other Commercial Real Estate Non owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	4,625	3,952
Financial Asset, Not Past Due | Residential Real Estate [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	12,859	9,191
Financial Asset, Not Past Due | Construction And Land Development [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	3,199	3,006
Financial Asset, Not Past Due | Warehouse lending [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	5,132	5,156
Financial Asset, Not Past Due | Municipal and nonprofit [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,548	1,579
Financial Asset, Not Past Due | Other, loan segment
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	179	169
Financial Asset, Not Past Due | Equity fund resources
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	4,751	3,830
Financial Asset, Not Past Due | Residential - EBO
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	868
Financial Asset, Past Due
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	1,147	52
Financial Asset, Past Due | Tech & Innovation [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Past Due | Other commercial and industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	9	0
Financial Asset, Past Due | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Past Due | Hotel franchise finance [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Past Due | Other Commercial Real Estate Non owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Past Due | Residential Real Estate [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	108	52
Financial Asset, Past Due | Construction And Land Development [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Past Due | Warehouse lending [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Past Due | Municipal and nonprofit [Member]
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Past Due | Other, loan segment
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Past Due | Equity fund resources
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	1	$ 0
Financial Asset, Past Due | Residential - EBO
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 1,029