Loans Receivable and Allowance for Credit Losses - Credit Risk Ratings , Vintage Years and/or Gross Write-offs for Loans Held-for-Investment by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	$ 4,814,073		$ 4,814,073		$ 12,464,897
One Year before Current Fiscal Year	11,841,231		11,841,231		8,204,714
Two Years before Current Fiscal Year	7,564,953		7,564,953		4,810,435
Three Years before Current Fiscal Year	4,357,691		4,357,691		3,871,740
Four Years before Current Fiscal Year	3,587,856		3,587,856		2,936,646
Prior	6,483,289		6,483,289		4,261,980
Revolving Loans	10,983,958		10,983,958		11,460,495
Revolving Loans Converted to Term Loans	195,313		195,313		191,523
Total	49,828,364		49,828,364		48,202,430
YTD gross write-offs Total	308	$ 158	581	$ 217
Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	4,748,116		4,748,116		12,365,799
One Year before Current Fiscal Year	11,720,872		11,720,872		8,084,723
Two Years before Current Fiscal Year	7,440,506		7,440,506		4,590,045
Three Years before Current Fiscal Year	4,248,760		4,248,760		3,791,578
Four Years before Current Fiscal Year	3,510,838		3,510,838		2,786,218
Prior	6,259,745		6,259,745		4,158,181
Revolving Loans	10,896,791		10,896,791		11,359,948
Revolving Loans Converted to Term Loans	190,944		190,944		169,958
Total	49,016,572		49,016,572		47,306,450
Pass | Federal Housing Administration Loan
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Financing receivable, recorded investment, 90 days past due and still accruing, classified as pass	734		734		818
Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	61,830		61,830		80,235
One Year before Current Fiscal Year	97,250		97,250		96,150
Two Years before Current Fiscal Year	106,249		106,249		208,970
Three Years before Current Fiscal Year	96,677		96,677		76,486
Four Years before Current Fiscal Year	65,179		65,179		142,072
Prior	188,434		188,434		76,117
Revolving Loans	81,272		81,272		99,447
Revolving Loans Converted to Term Loans	102		102		17,795
Total	696,993		696,993		797,272
Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	4,127		4,127		18,863
One Year before Current Fiscal Year	23,109		23,109		23,841
Two Years before Current Fiscal Year	18,198		18,198		11,420
Three Years before Current Fiscal Year	12,254		12,254		3,676
Four Years before Current Fiscal Year	11,839		11,839		8,356
Prior	35,110		35,110		27,682
Revolving Loans	5,895		5,895		1,100
Revolving Loans Converted to Term Loans	4,267		4,267		3,770
Total	114,799		114,799		98,708
YTD gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year			185
YTD gross write-offs One Year before Current Fiscal Year			1,996
YTD gross write-offs Two Years before Current Fiscal Year			2,348
YTD gross write-offs Three Years before Current Fiscal Year			15
YTD gross write-offs Four Years before Current Fiscal Year			4,930
YTD gross write-offs Prior			1,802
YTD gross write-offs Revolving Loans			88
YTD gross write-offs Revolving Loans Converted to Term Loans			6
YTD gross write-offs Total			11,370
Consumer Loan
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Converted to term loan	9,700	0	14,500	0
Commercial lending
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	3,224,739		3,224,739		8,898,251
One Year before Current Fiscal Year	8,376,626		8,376,626		5,745,996
Two Years before Current Fiscal Year	5,190,779		5,190,779		3,020,575
Three Years before Current Fiscal Year	2,660,769		2,660,769		2,761,676
Four Years before Current Fiscal Year	2,537,682		2,537,682		2,111,867
Prior	4,284,219		4,284,219		2,719,920
Revolving Loans	9,238,516		9,238,516		9,462,895
Revolving Loans Converted to Term Loans	75,387		75,387		59,273
Total	35,588,717		35,588,717		34,780,453
Converted to term loan	1,400	$ 26,400	13,500	$ 26,400
Commercial lending | YTD gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year			185
YTD gross write-offs One Year before Current Fiscal Year			1,996
YTD gross write-offs Two Years before Current Fiscal Year			2,348
YTD gross write-offs Three Years before Current Fiscal Year			15
YTD gross write-offs Four Years before Current Fiscal Year			4,930
YTD gross write-offs Prior			1,802
YTD gross write-offs Revolving Loans			0
YTD gross write-offs Revolving Loans Converted to Term Loans			0
YTD gross write-offs Total			11,276
Commercial lending | Commercial and industrial (“C&I”)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,448,908		1,448,908		2,922,766
One Year before Current Fiscal Year	2,401,030		2,401,030		2,092,308
Two Years before Current Fiscal Year	1,693,382		1,693,382		682,520
Three Years before Current Fiscal Year	450,582		450,582		426,477
Four Years before Current Fiscal Year	300,989		300,989		170,234
Prior	253,207		253,207		120,853
Revolving Loans	9,101,641		9,101,641		9,275,389
Revolving Loans Converted to Term Loans	20,345		20,345		20,548
Total	15,670,084		15,670,084		15,711,095
Commercial lending | Commercial and industrial (“C&I”) | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,427,799		1,427,799		2,831,834
One Year before Current Fiscal Year	2,285,112		2,285,112		2,053,215
Two Years before Current Fiscal Year	1,610,248		1,610,248		623,026
Three Years before Current Fiscal Year	415,562		415,562		392,013
Four Years before Current Fiscal Year	267,164		267,164		143,970
Prior	217,673		217,673		97,605
Revolving Loans	9,016,889		9,016,889		9,177,401
Revolving Loans Converted to Term Loans	20,345		20,345		20,548
Total	15,260,792		15,260,792		15,339,612
Commercial lending | Commercial and industrial (“C&I”) | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	18,452		18,452		72,210
One Year before Current Fiscal Year	93,118		93,118		34,296
Two Years before Current Fiscal Year	81,361		81,361		48,761
Three Years before Current Fiscal Year	26,033		26,033		34,221
Four Years before Current Fiscal Year	26,027		26,027		20,646
Prior	22,837		22,837		12,933
Revolving Loans	79,585		79,585		97,988
Revolving Loans Converted to Term Loans	0		0		0
Total	347,413		347,413		321,055
Commercial lending | Commercial and industrial (“C&I”) | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	2,657		2,657		18,722
One Year before Current Fiscal Year	22,800		22,800		4,797
Two Years before Current Fiscal Year	1,773		1,773		10,733
Three Years before Current Fiscal Year	8,987		8,987		243
Four Years before Current Fiscal Year	7,798		7,798		5,618
Prior	12,697		12,697		10,315
Revolving Loans	5,167		5,167		0
Revolving Loans Converted to Term Loans	0		0		0
Total	61,879		61,879		50,428
Commercial lending | Commercial and industrial (“C&I”) | YTD gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year			185
YTD gross write-offs One Year before Current Fiscal Year			1,996
YTD gross write-offs Two Years before Current Fiscal Year			95
YTD gross write-offs Three Years before Current Fiscal Year			15
YTD gross write-offs Four Years before Current Fiscal Year			4,930
YTD gross write-offs Prior			1,683
YTD gross write-offs Revolving Loans			0
YTD gross write-offs Revolving Loans Converted to Term Loans			0
YTD gross write-offs Total			8,904
Commercial lending | CRE
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,395,015		1,395,015		4,182,298
One Year before Current Fiscal Year	4,122,367		4,122,367		2,484,251
Two Years before Current Fiscal Year	2,362,298		2,362,298		1,664,574
Three Years before Current Fiscal Year	1,550,595		1,550,595		1,811,774
Four Years before Current Fiscal Year	1,727,776		1,727,776		1,562,842
Prior	3,049,089		3,049,089		1,946,298
Revolving Loans	112,498		112,498		167,108
Revolving Loans Converted to Term Loans	53,747		53,747		38,725
Total	14,373,385		14,373,385		13,857,870
Commercial lending | CRE | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,358,049		1,358,049		4,178,780
One Year before Current Fiscal Year	4,119,439		4,119,439		2,404,634
Two Years before Current Fiscal Year	2,323,453		2,323,453		1,505,150
Three Years before Current Fiscal Year	1,481,659		1,481,659		1,771,679
Four Years before Current Fiscal Year	1,689,335		1,689,335		1,471,710
Prior	2,936,955		2,936,955		1,909,925
Revolving Loans	111,043		111,043		165,653
Revolving Loans Converted to Term Loans	53,747		53,747		22,009
Total	14,073,680		14,073,680		13,429,540
Commercial lending | CRE | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	36,966		36,966		3,518
One Year before Current Fiscal Year	2,757		2,757		60,573
Two Years before Current Fiscal Year	23,746		23,746		159,424
Three Years before Current Fiscal Year	68,936		68,936		40,095
Four Years before Current Fiscal Year	37,981		37,981		91,132
Prior	111,969		111,969		32,173
Revolving Loans	1,455		1,455		1,455
Revolving Loans Converted to Term Loans	0		0		16,716
Total	283,810		283,810		405,086
Commercial lending | CRE | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	0		0		0
One Year before Current Fiscal Year	171		171		19,044
Two Years before Current Fiscal Year	15,099		15,099		0
Three Years before Current Fiscal Year	0		0		0
Four Years before Current Fiscal Year	460		460		0
Prior	165		165		4,200
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	15,895		15,895		23,244
Commercial lending | CRE | YTD gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year			0
YTD gross write-offs One Year before Current Fiscal Year			0
YTD gross write-offs Two Years before Current Fiscal Year			2,253
YTD gross write-offs Three Years before Current Fiscal Year			0
YTD gross write-offs Four Years before Current Fiscal Year			0
YTD gross write-offs Prior			119
YTD gross write-offs Revolving Loans			0
YTD gross write-offs Revolving Loans Converted to Term Loans			0
YTD gross write-offs Total			2,372
Commercial lending | Real estate loan | Multifamily residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	289,218		289,218		1,500,289
One Year before Current Fiscal Year	1,497,280		1,497,280		892,598
Two Years before Current Fiscal Year	875,986		875,986		641,677
Three Years before Current Fiscal Year	625,489		625,489		520,321
Four Years before Current Fiscal Year	508,101		508,101		354,320
Prior	957,386		957,386		652,538
Revolving Loans	9,425		9,425		11,325
Revolving Loans Converted to Term Loans	1,295		1,295		0
Total	4,764,180		4,764,180		4,573,068
Commercial lending | Real estate loan | Pass | Multifamily residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	289,218		289,218		1,500,289
One Year before Current Fiscal Year	1,497,280		1,497,280		892,598
Two Years before Current Fiscal Year	875,986		875,986		641,677
Three Years before Current Fiscal Year	625,489		625,489		519,614
Four Years before Current Fiscal Year	507,401		507,401		350,044
Prior	926,253		926,253		625,293
Revolving Loans	9,425		9,425		11,325
Revolving Loans Converted to Term Loans	1,295		1,295		0
Total	4,732,347		4,732,347		4,540,840
Commercial lending | Real estate loan | Criticized (accrual) | Multifamily residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	0		0		0
One Year before Current Fiscal Year	0		0		0
Two Years before Current Fiscal Year	0		0		0
Three Years before Current Fiscal Year	0		0		707
Four Years before Current Fiscal Year	700		700		4,276
Prior	26,430		26,430		27,076
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	27,130		27,130		32,059
Commercial lending | Real estate loan | Criticized (nonaccrual) | Multifamily residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	0		0		0
One Year before Current Fiscal Year	0		0		0
Two Years before Current Fiscal Year	0		0		0
Three Years before Current Fiscal Year	0		0		0
Four Years before Current Fiscal Year	0		0		0
Prior	4,703		4,703		169
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	4,703		4,703		169
Commercial lending | Construction and land
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	91,598		91,598		292,898
One Year before Current Fiscal Year	355,949		355,949		276,839
Two Years before Current Fiscal Year	259,113		259,113		31,804
Three Years before Current Fiscal Year	34,103		34,103		3,104
Four Years before Current Fiscal Year	816		816		24,471
Prior	24,537		24,537		231
Revolving Loans	14,952		14,952		9,073
Revolving Loans Converted to Term Loans	0		0		0
Total	781,068		781,068		638,420
Commercial lending | Construction and land | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	85,733		85,733		288,394
One Year before Current Fiscal Year	355,949		355,949		276,839
Two Years before Current Fiscal Year	259,113		259,113		31,804
Three Years before Current Fiscal Year	34,103		34,103		3,104
Four Years before Current Fiscal Year	816		816		2,805
Prior	2,986		2,986		231
Revolving Loans	14,952		14,952		9,073
Revolving Loans Converted to Term Loans	0		0		0
Total	753,652		753,652		612,250
Commercial lending | Construction and land | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	5,865		5,865		4,504
One Year before Current Fiscal Year	0		0		0
Two Years before Current Fiscal Year	0		0		0
Three Years before Current Fiscal Year	0		0		0
Four Years before Current Fiscal Year	0		0		21,666
Prior	21,551		21,551		0
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	27,416		27,416		26,170
Commercial lending | Total CRE
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,775,831		1,775,831		5,975,485
One Year before Current Fiscal Year	5,975,596		5,975,596		3,653,688
Two Years before Current Fiscal Year	3,497,397		3,497,397		2,338,055
Three Years before Current Fiscal Year	2,210,187		2,210,187		2,335,199
Four Years before Current Fiscal Year	2,236,693		2,236,693		1,941,633
Prior	4,031,012		4,031,012		2,599,067
Revolving Loans	136,875		136,875		187,506
Revolving Loans Converted to Term Loans	55,042		55,042		38,725
Total	19,918,633		19,918,633		19,069,358
Commercial lending | Total CRE | YTD gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year			0
YTD gross write-offs One Year before Current Fiscal Year			0
YTD gross write-offs Two Years before Current Fiscal Year			2,253
YTD gross write-offs Three Years before Current Fiscal Year			0
YTD gross write-offs Four Years before Current Fiscal Year			0
YTD gross write-offs Prior			119
YTD gross write-offs Revolving Loans			0
YTD gross write-offs Revolving Loans Converted to Term Loans			0
YTD gross write-offs Total			2,372
Consumer lending
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,589,334		1,589,334		3,566,646
One Year before Current Fiscal Year	3,464,605		3,464,605		2,458,718
Two Years before Current Fiscal Year	2,374,174		2,374,174		1,789,860
Three Years before Current Fiscal Year	1,696,922		1,696,922		1,110,064
Four Years before Current Fiscal Year	1,050,174		1,050,174		824,779
Prior	2,199,070		2,199,070		1,542,060
Revolving Loans	1,745,442		1,745,442		1,997,600
Revolving Loans Converted to Term Loans	119,926		119,926		132,250
Total	14,239,647		14,239,647		13,421,977
Consumer lending | YTD gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year			0
YTD gross write-offs One Year before Current Fiscal Year			0
YTD gross write-offs Two Years before Current Fiscal Year			0
YTD gross write-offs Three Years before Current Fiscal Year			0
YTD gross write-offs Four Years before Current Fiscal Year			0
YTD gross write-offs Prior			0
YTD gross write-offs Revolving Loans			88
YTD gross write-offs Revolving Loans Converted to Term Loans			6
YTD gross write-offs Total			94
Consumer lending | Real estate loan | Single-family residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,587,471		1,587,471		3,549,035
One Year before Current Fiscal Year	3,446,229		3,446,229		2,454,992
Two Years before Current Fiscal Year	2,371,814		2,371,814		1,776,685
Three Years before Current Fiscal Year	1,684,727		1,684,727		1,106,630
Four Years before Current Fiscal Year	1,048,141		1,048,141		823,237
Prior	2,170,231		2,170,231		1,512,448
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	12,308,613		12,308,613		11,223,027
Consumer lending | Real estate loan | Pass | Single-family residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,585,454		1,585,454		3,548,894
One Year before Current Fiscal Year	3,445,517		3,445,517		2,453,717
Two Years before Current Fiscal Year	2,369,777		2,369,777		1,775,696
Three Years before Current Fiscal Year	1,680,587		1,680,587		1,101,965
Four Years before Current Fiscal Year	1,044,089		1,044,089		817,164
Prior	2,152,061		2,152,061		1,500,359
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	12,277,485		12,277,485		11,197,795
Consumer lending | Real estate loan | Criticized (accrual) | Single-family residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	547		547		0
One Year before Current Fiscal Year	574		574		1,275
Two Years before Current Fiscal Year	934		934		785
Three Years before Current Fiscal Year	1,708		1,708		1,463
Four Years before Current Fiscal Year	471		471		4,352
Prior	5,647		5,647		3,935
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	9,881		9,881		11,810
Consumer lending | Real estate loan | Criticized (nonaccrual) | Single-family residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,470		1,470		141
One Year before Current Fiscal Year	138		138		0
Two Years before Current Fiscal Year	1,103		1,103		204
Three Years before Current Fiscal Year	2,432		2,432		3,202
Four Years before Current Fiscal Year	3,581		3,581		1,721
Prior	12,523		12,523		8,154
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	21,247		21,247		13,422
Consumer lending | HELOCs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	978		978		520
One Year before Current Fiscal Year	1,552		1,552		3,589
Two Years before Current Fiscal Year	2,224		2,224		7,819
Three Years before Current Fiscal Year	6,839		6,839		3,434
Four Years before Current Fiscal Year	2,033		2,033		1,542
Prior	17,029		17,029		13,804
Revolving Loans	1,712,347		1,712,347		1,959,697
Revolving Loans Converted to Term Loans	119,926		119,926		132,250
Total	1,862,928		1,862,928		2,122,655
Consumer lending | HELOCs | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	978		978		520
One Year before Current Fiscal Year	751		751		3,583
Two Years before Current Fiscal Year	1,793		1,793		7,336
Three Years before Current Fiscal Year	6,004		6,004		3,203
Four Years before Current Fiscal Year	2,033		2,033		525
Prior	12,007		12,007		8,960
Revolving Loans	1,711,411		1,711,411		1,958,692
Revolving Loans Converted to Term Loans	115,557		115,557		127,401
Total	1,850,534		1,850,534		2,110,220
Consumer lending | HELOCs | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	0		0		0
One Year before Current Fiscal Year	801		801		6
Two Years before Current Fiscal Year	208		208		0
Three Years before Current Fiscal Year	0		0		0
Four Years before Current Fiscal Year	0		0		0
Prior	0		0		0
Revolving Loans	232		232		4
Revolving Loans Converted to Term Loans	102		102		1,079
Total	1,343		1,343		1,089
Consumer lending | HELOCs | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	0		0		0
One Year before Current Fiscal Year	0		0		0
Two Years before Current Fiscal Year	223		223		483
Three Years before Current Fiscal Year	835		835		231
Four Years before Current Fiscal Year	0		0		1,017
Prior	5,022		5,022		4,844
Revolving Loans	704		704		1,001
Revolving Loans Converted to Term Loans	4,267		4,267		3,770
Total	11,051		11,051		11,346
Consumer lending | HELOCs | YTD gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year			0
YTD gross write-offs One Year before Current Fiscal Year			0
YTD gross write-offs Two Years before Current Fiscal Year			0
YTD gross write-offs Three Years before Current Fiscal Year			0
YTD gross write-offs Four Years before Current Fiscal Year			0
YTD gross write-offs Prior			0
YTD gross write-offs Revolving Loans			0
YTD gross write-offs Revolving Loans Converted to Term Loans			6
YTD gross write-offs Total			6
Consumer lending | Total residential mortgage
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	1,588,449		1,588,449		3,549,555
One Year before Current Fiscal Year	3,447,781		3,447,781		2,458,581
Two Years before Current Fiscal Year	2,374,038		2,374,038		1,784,504
Three Years before Current Fiscal Year	1,691,566		1,691,566		1,110,064
Four Years before Current Fiscal Year	1,050,174		1,050,174		824,779
Prior	2,187,260		2,187,260		1,526,252
Revolving Loans	1,712,347		1,712,347		1,959,697
Revolving Loans Converted to Term Loans	119,926		119,926		132,250
Total	14,171,541		14,171,541		13,345,682
Consumer lending | Total residential mortgage | YTD gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year			0
YTD gross write-offs One Year before Current Fiscal Year			0
YTD gross write-offs Two Years before Current Fiscal Year			0
YTD gross write-offs Three Years before Current Fiscal Year			0
YTD gross write-offs Four Years before Current Fiscal Year			0
YTD gross write-offs Prior			0
YTD gross write-offs Revolving Loans			0
YTD gross write-offs Revolving Loans Converted to Term Loans			6
YTD gross write-offs Total			6
Consumer lending | Other consumer
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	885		885		17,091
One Year before Current Fiscal Year	16,824		16,824		137
Two Years before Current Fiscal Year	136		136		5,356
Three Years before Current Fiscal Year	5,356		5,356		0
Four Years before Current Fiscal Year	0		0		0
Prior	11,810		11,810		15,808
Revolving Loans	33,095		33,095		37,903
Revolving Loans Converted to Term Loans	0		0		0
Total	68,106		68,106		76,295
Consumer lending | Other consumer | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	885		885		17,088
One Year before Current Fiscal Year	16,824		16,824		137
Two Years before Current Fiscal Year	136		136		5,356
Three Years before Current Fiscal Year	5,356		5,356		0
Four Years before Current Fiscal Year	0		0		0
Prior	11,810		11,810		15,808
Revolving Loans	33,071		33,071		37,804
Revolving Loans Converted to Term Loans	0		0		0
Total	68,082		68,082		76,193
Consumer lending | Other consumer | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year					3
One Year before Current Fiscal Year					0
Two Years before Current Fiscal Year					0
Three Years before Current Fiscal Year					0
Four Years before Current Fiscal Year					0
Prior					0
Revolving Loans					0
Revolving Loans Converted to Term Loans					0
Total					3
Consumer lending | Other consumer | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Current Fiscal Year	0		0		0
One Year before Current Fiscal Year	0		0		0
Two Years before Current Fiscal Year	0		0		0
Three Years before Current Fiscal Year	0		0		0
Four Years before Current Fiscal Year	0		0		0
Prior	0		0		0
Revolving Loans	24		24		99
Revolving Loans Converted to Term Loans	0		0		0
Total	$ 24		24		$ 99
Consumer lending | Other consumer | YTD gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year			0
YTD gross write-offs One Year before Current Fiscal Year			0
YTD gross write-offs Two Years before Current Fiscal Year			0
YTD gross write-offs Three Years before Current Fiscal Year			0
YTD gross write-offs Four Years before Current Fiscal Year			0
YTD gross write-offs Prior			0
YTD gross write-offs Revolving Loans			88
YTD gross write-offs Revolving Loans Converted to Term Loans			0
YTD gross write-offs Total			$ 88