Loans and Leases (Investments in TDRs, Segregated by Risk Rating Exposure) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total recorded investment of TDRs	$ 194,822	$ 163,344
Total Loans and Leases	49,764,426	22,271,729
Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	11,169,564	3,902,968
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	5,661,880	2,337,777
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	3,487,488	2,272,548
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	3,539,935	1,772,381
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	2,445,305	796,050
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	5,530,594	1,829,351
Financing Receivable, Excluding Accrued Interest, Revolving	8,269,185	2,268,891
Total Loans and Leases	40,103,951	15,179,966
Commercial | Commercial non-mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	5,287,261	2,288,196
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,979,460	1,249,399
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,057,097	825,657
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	829,845	667,171
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	678,464	307,613
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	804,822	310,671
Financing Receivable, Excluding Accrued Interest, Revolving	5,755,846	1,233,773
Total Loans and Leases	16,392,795	6,882,480
Commercial | Asset-based
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	19,659	7,609
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,901	19,141
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	9,424	14,896
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	15,904	14,131
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	5,163	6,113
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	55,553	25,850
Financing Receivable, Excluding Accrued Interest, Revolving	1,712,038	979,508
Total Loans and Leases	1,821,642	1,067,248
Commercial | Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	3,443,032	1,152,526
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,258,126	736,386
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,563,665	1,146,376
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	1,674,603	679,028
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	1,153,170	450,074
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	2,805,735	1,243,887
Financing Receivable, Excluding Accrued Interest, Revolving	98,832	55,044
Total Loans and Leases	12,997,163	5,463,321
Commercial | Multi-family
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	2,030,657	222,875
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,057,705	136,324
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	507,447	185,087
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	694,161	364,822
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	497,552	17,054
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,773,967	213,131
Financing Receivable, Excluding Accrued Interest, Revolving	60,493	566
Total Loans and Leases	6,621,982	1,139,859
Commercial | Equipment financing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	388,955	231,762
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	362,688	196,527
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	349,855	100,532
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	325,422	47,229
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	110,956	15,196
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	90,517	35,812
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Total Loans and Leases	1,628,393	627,058
Commercial | Warehouse lending
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Revolving	641,976
Total Loans and Leases	641,976	0
(1) - (6) Pass [Member] | Commercial | Commercial non-mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	5,154,781	2,270,320
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,952,158	1,179,620
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	965,975	757,343
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	792,977	581,633
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	593,460	292,637
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	780,200	275,789
Financing Receivable, Excluding Accrued Interest, Revolving	5,670,532	1,182,562
Total Loans and Leases	15,910,083	6,539,904
(1) - (6) Pass [Member] | Commercial | Asset-based
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	19,659	7,609
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,901	19,141
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	9,424	12,810
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	14,413	13,456
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	5,163	6,113
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	55,553	25,850
Financing Receivable, Excluding Accrued Interest, Revolving	1,551,250	920,496
Total Loans and Leases	1,659,363	1,005,475
(1) - (6) Pass [Member] | Commercial | Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	3,420,635	1,152,431
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,246,672	733,220
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,556,185	1,146,149
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	1,605,869	594,180
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	1,058,730	384,664
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	2,681,052	1,136,384
Financing Receivable, Excluding Accrued Interest, Revolving	97,832	55,044
Total Loans and Leases	12,666,975	5,202,072
(1) - (6) Pass [Member] | Commercial | Multi-family
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	1,992,980	222,875
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,057,705	135,924
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	507,065	185,087
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	694,066	322,688
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	444,564	17,054
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,748,337	203,558
Financing Receivable, Excluding Accrued Interest, Revolving	51,655	566
Total Loans and Leases	6,496,372	1,087,752
(1) - (6) Pass [Member] | Commercial | Equipment financing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	388,641	231,762
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	345,792	188,031
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	331,419	93,547
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	308,441	41,276
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	98,874	14,864
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	83,264	32,588
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Total Loans and Leases	1,556,431	602,068
(1) - (6) Pass [Member] | Commercial | Warehouse lending
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Revolving	641,976
Total Loans and Leases	641,976
(7) Special Mention [Member] | Commercial | Commercial non-mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	104,277	14,216
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	15,598	22,892
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	21,168	37,877
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	263	15,575
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	14,370	9,721
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	7,770	15,399
Financing Receivable, Excluding Accrued Interest, Revolving	40,142	27,808
Total Loans and Leases	203,588	143,488
(7) Special Mention [Member] | Commercial | Asset-based
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	675
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Revolving	80,476	59,012
Total Loans and Leases	80,476	59,687
(7) Special Mention [Member] | Commercial | Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	21,878	95
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	8,995	3,084
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	7,264	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	37,570	84,475
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	47,419	51,536
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	66,652	79,096
Financing Receivable, Excluding Accrued Interest, Revolving	1,000	0
Total Loans and Leases	190,778	218,286
(7) Special Mention [Member] | Commercial | Multi-family
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	37,677	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	95	35,201
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	40,307	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	726	0
Financing Receivable, Excluding Accrued Interest, Revolving	8,838	0
Total Loans and Leases	87,643	35,201
(7) Special Mention [Member] | Commercial | Equipment financing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	185	108
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0	2,229
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	11,965	3,341
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	6,775	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	25	600
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Total Loans and Leases	18,950	6,278
(8) Substandard [Member] | Commercial | Commercial non-mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	28,203	3,660
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	11,704	46,887
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	69,954	30,437
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	36,604	69,963
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	70,634	5,255
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	16,852	19,483
Financing Receivable, Excluding Accrued Interest, Revolving	41,917	23,403
Total Loans and Leases	275,868	199,088
(8) Substandard [Member] | Commercial | Asset-based
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0	2,086
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	1,491	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Revolving	80,312	0
Total Loans and Leases	81,803	2,086
(8) Substandard [Member] | Commercial | Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	519	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,459	82
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	216	227
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	31,163	373
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	47,021	13,874
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	57,997	28,407
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Total Loans and Leases	139,375	42,963
(8) Substandard [Member] | Commercial | Multi-family
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	400
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	382	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	6,933
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	12,681	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	24,904	9,573
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Total Loans and Leases	37,967	16,906
(8) Substandard [Member] | Commercial | Equipment financing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	314	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	16,711	8,388
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	18,436	4,756
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	5,016	2,612
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	5,307	332
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	7,228	2,624
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Total Loans and Leases	53,012	$ 18,712
(9) Doubtful [Member] | Commercial | Commercial non-mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	1
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Revolving	3,255
Total Loans and Leases	3,256
(9) Doubtful [Member] | Commercial | Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	1
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	34
Financing Receivable, Excluding Accrued Interest, Revolving	0
Total Loans and Leases	$ 35