Loans Receivable and Allowance for Credit Losses - Credit Risk Ratings and/or Vintage Years for Loans Held-for-Investment by Portfolio Segment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	$ 9,030,294,000	$ 12,464,897,000
One Year before Current Fiscal Year	10,960,065,000	8,204,714,000
Two Years before Current Fiscal Year	6,936,329,000	4,810,435,000
Three Years before Current Fiscal Year	4,082,547,000	3,871,740,000
Four Years before Current Fiscal Year	3,402,102,000	2,936,646,000
Prior	5,723,462,000	4,261,980,000
Revolving Loans	11,860,890,000	11,460,495,000
Revolving Loans Converted to Term Loans	215,093,000	191,523,000
Total	52,210,782,000	48,202,430,000
YTD gross write-offs Total	5,000,000	3,000,000	$ 12,000,000
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	8,877,690,000	12,365,799,000
One Year before Current Fiscal Year	10,839,026,000	8,084,723,000
Two Years before Current Fiscal Year	6,723,921,000	4,590,045,000
Three Years before Current Fiscal Year	4,010,720,000	3,791,578,000
Four Years before Current Fiscal Year	3,326,731,000	2,786,218,000
Prior	5,504,224,000	4,158,181,000
Revolving Loans	11,739,785,000	11,359,948,000
Revolving Loans Converted to Term Loans	210,475,000	169,958,000
Total	51,232,572,000	47,306,450,000
Pass | Federal Housing Administration Loan
Financing Receivable, Credit Quality Indicator [Line Items]
Total Nonaccrual Loans	1,000,000	1,000,000
Criticized (accrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	145,219,000	80,235,000
One Year before Current Fiscal Year	111,430,000	96,150,000
Two Years before Current Fiscal Year	207,962,000	208,970,000
Three Years before Current Fiscal Year	64,855,000	76,486,000
Four Years before Current Fiscal Year	67,738,000	142,072,000
Prior	158,049,000	76,117,000
Revolving Loans	119,744,000	99,447,000
Revolving Loans Converted to Term Loans	1,089,000	17,795,000
Total	876,086,000	797,272,000
Criticized (nonaccrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	7,385,000	18,863,000
One Year before Current Fiscal Year	9,609,000	23,841,000
Two Years before Current Fiscal Year	4,446,000	11,420,000
Three Years before Current Fiscal Year	6,972,000	3,676,000
Four Years before Current Fiscal Year	7,633,000	8,356,000
Prior	61,189,000	27,682,000
Revolving Loans	1,361,000	1,100,000
Revolving Loans Converted to Term Loans	3,529,000	3,770,000
Total	102,124,000	98,708,000
YTD gross write-offs
Financing Receivable, Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year	350,000
YTD gross write-offs One Year before Current Fiscal Year	10,454,000
YTD gross write-offs Two Years before Current Fiscal Year	424,000
YTD gross write-offs Three Years before Current Fiscal Year	3,758,000
YTD gross write-offs Four Years before Current Fiscal Year	9,748,000
YTD gross write-offs Prior	4,021,000
YTD gross write-offs Revolving Loans	1,593,000
YTD gross write-offs Revolving Loans Converted to Term Loans	6,000
YTD gross write-offs Total	30,354,000
Consumer Loan
Financing Receivable, Credit Quality Indicator [Line Items]
Converted to term loan	44,000,000	0	54,000,000
Commercial Lending
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	5,827,011,000	8,898,251,000
One Year before Current Fiscal Year	7,589,913,000	5,745,996,000
Two Years before Current Fiscal Year	4,647,905,000	3,020,575,000
Three Years before Current Fiscal Year	2,481,175,000	2,761,676,000
Four Years before Current Fiscal Year	2,414,789,000	2,111,867,000
Prior	3,719,778,000	2,719,920,000
Revolving Loans	10,280,425,000	9,462,895,000
Revolving Loans Converted to Term Loans	84,195,000	59,273,000
Total	37,045,191,000	34,780,453,000
Converted to term loan	29,000,000	26,000,000	$ 6,000,000
Commercial Lending | YTD gross write-offs
Financing Receivable, Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year	350,000
YTD gross write-offs One Year before Current Fiscal Year	10,454,000
YTD gross write-offs Two Years before Current Fiscal Year	424,000
YTD gross write-offs Three Years before Current Fiscal Year	3,758,000
YTD gross write-offs Four Years before Current Fiscal Year	9,748,000
YTD gross write-offs Prior	3,980,000
YTD gross write-offs Revolving Loans	1,593,000
YTD gross write-offs Revolving Loans Converted to Term Loans	0
YTD gross write-offs Total	30,307,000
Commercial Lending | C&I
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	2,421,686,000	2,922,766,000
One Year before Current Fiscal Year	1,704,375,000	2,092,308,000
Two Years before Current Fiscal Year	1,417,641,000	682,520,000
Three Years before Current Fiscal Year	351,865,000	426,477,000
Four Years before Current Fiscal Year	289,072,000	170,234,000
Prior	204,394,000	120,853,000
Revolving Loans	10,171,903,000	9,275,389,000
Revolving Loans Converted to Term Loans	20,143,000	20,548,000
Total	16,581,079,000	15,711,095,000
Commercial Lending | C&I | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	2,314,463,000	2,831,834,000
One Year before Current Fiscal Year	1,628,560,000	2,053,215,000
Two Years before Current Fiscal Year	1,296,936,000	623,026,000
Three Years before Current Fiscal Year	331,982,000	392,013,000
Four Years before Current Fiscal Year	245,173,000	143,970,000
Prior	164,159,000	97,605,000
Revolving Loans	10,053,757,000	9,177,401,000
Revolving Loans Converted to Term Loans	20,143,000	20,548,000
Total	16,055,173,000	15,339,612,000
Commercial Lending | C&I | Criticized (accrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	105,119,000	72,210,000
One Year before Current Fiscal Year	67,899,000	34,296,000
Two Years before Current Fiscal Year	120,574,000	48,761,000
Three Years before Current Fiscal Year	15,064,000	34,221,000
Four Years before Current Fiscal Year	40,920,000	20,646,000
Prior	22,098,000	12,933,000
Revolving Loans	117,196,000	97,988,000
Revolving Loans Converted to Term Loans	0	0
Total	488,870,000	321,055,000
Commercial Lending | C&I | Criticized (nonaccrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	2,104,000	18,722,000
One Year before Current Fiscal Year	7,916,000	4,797,000
Two Years before Current Fiscal Year	131,000	10,733,000
Three Years before Current Fiscal Year	4,819,000	243,000
Four Years before Current Fiscal Year	2,979,000	5,618,000
Prior	18,137,000	10,315,000
Revolving Loans	950,000	0
Revolving Loans Converted to Term Loans	0	0
Total	37,036,000	50,428,000
Commercial Lending | C&I | YTD gross write-offs
Financing Receivable, Credit Quality Indicator [Line Items]
YTD gross write-offs Current Fiscal Year	350,000
YTD gross write-offs One Year before Current Fiscal Year	10,454,000
YTD gross write-offs Two Years before Current Fiscal Year	424,000
YTD gross write-offs Three Years before Current Fiscal Year	3,758,000
YTD gross write-offs Four Years before Current Fiscal Year	9,748,000
YTD gross write-offs Prior	2,648,000
YTD gross write-offs Revolving Loans	1,593,000
YTD gross write-offs Revolving Loans Converted to Term Loans	0
YTD gross write-offs Total	28,975,000
Commercial Lending | CRE
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	2,529,770,000	4,182,298,000
One Year before Current Fiscal Year	4,120,870,000	2,484,251,000
Two Years before Current Fiscal Year	2,246,593,000	1,664,574,000
Three Years before Current Fiscal Year	1,476,974,000	1,811,774,000
Four Years before Current Fiscal Year	1,625,725,000	1,562,842,000
Prior	2,621,527,000	1,946,298,000
Revolving Loans	92,851,000	167,108,000
Revolving Loans Converted to Term Loans	62,771,000	38,725,000
Total	14,777,081,000	13,857,870,000
Commercial Lending | CRE | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	2,492,915,000	4,178,780,000
One Year before Current Fiscal Year	4,086,385,000	2,404,634,000
Two Years before Current Fiscal Year	2,216,257,000	1,505,150,000
Three Years before Current Fiscal Year	1,428,724,000	1,771,679,000
Four Years before Current Fiscal Year	1,600,844,000	1,471,710,000
Prior	2,494,382,000	1,909,925,000
Revolving Loans	92,851,000	165,653,000
Revolving Loans Converted to Term Loans	62,771,000	22,009,000
Total	14,475,129,000	13,429,540,000
Commercial Lending | CRE | Criticized (accrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	36,855,000	3,518,000
One Year before Current Fiscal Year	34,485,000	60,573,000
Two Years before Current Fiscal Year	30,336,000	159,424,000
Three Years before Current Fiscal Year	48,250,000	40,095,000
Four Years before Current Fiscal Year	24,437,000	91,132,000
Prior	104,340,000	32,173,000
Revolving Loans	0	1,455,000
Revolving Loans Converted to Term Loans	0	16,716,000
Total	278,703,000	405,086,000
Commercial Lending | CRE | Criticized (nonaccrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
One Year before Current Fiscal Year	0	19,044,000
Two Years before Current Fiscal Year	0	0
Three Years before Current Fiscal Year	0	0
Four Years before Current Fiscal Year	444,000	0
Prior	22,805,000	4,200,000
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	23,249,000	23,244,000
Commercial Lending | CRE | YTD gross write-offs
Financing Receivable, 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	1,329,000
YTD gross write-offs Revolving Loans	0
YTD gross write-offs Revolving Loans Converted to Term Loans	0
YTD gross write-offs Total	1,329,000
Commercial Lending | Real estate loan | Multifamily Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	665,780,000	1,500,289,000
One Year before Current Fiscal Year	1,484,517,000	892,598,000
Two Years before Current Fiscal Year	862,947,000	641,677,000
Three Years before Current Fiscal Year	612,408,000	520,321,000
Four Years before Current Fiscal Year	499,184,000	354,320,000
Prior	888,356,000	652,538,000
Revolving Loans	8,690,000	11,325,000
Revolving Loans Converted to Term Loans	1,281,000	0
Total	5,023,163,000	4,573,068,000
Commercial Lending | Real estate loan | Pass | Multifamily Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	665,780,000	1,500,289,000
One Year before Current Fiscal Year	1,481,161,000	892,598,000
Two Years before Current Fiscal Year	808,333,000	641,677,000
Three Years before Current Fiscal Year	612,408,000	519,614,000
Four Years before Current Fiscal Year	498,491,000	350,044,000
Prior	857,713,000	625,293,000
Revolving Loans	8,690,000	11,325,000
Revolving Loans Converted to Term Loans	1,281,000	0
Total	4,933,857,000	4,540,840,000
Commercial Lending | Real estate loan | Criticized (accrual) | Multifamily Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
One Year before Current Fiscal Year	3,356,000	0
Two Years before Current Fiscal Year	54,614,000	0
Three Years before Current Fiscal Year	0	707,000
Four Years before Current Fiscal Year	693,000	4,276,000
Prior	25,974,000	27,076,000
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	84,637,000	32,059,000
Commercial Lending | Real estate loan | Criticized (nonaccrual) | Multifamily Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
One Year before Current Fiscal Year	0	0
Two Years before Current Fiscal Year	0	0
Three Years before Current Fiscal Year	0	0
Four Years before Current Fiscal Year	0	0
Prior	4,669,000	169,000
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	4,669,000	169,000
Commercial Lending | Real estate loan | YTD gross write-offs | Multifamily Residential
Financing Receivable, 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	3,000
YTD gross write-offs Revolving Loans	0
YTD gross write-offs Revolving Loans Converted to Term Loans	0
YTD gross write-offs Total	3,000
Commercial Lending | Construction and land
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	209,775,000	292,898,000
One Year before Current Fiscal Year	280,151,000	276,839,000
Two Years before Current Fiscal Year	120,724,000	31,804,000
Three Years before Current Fiscal Year	39,928,000	3,104,000
Four Years before Current Fiscal Year	808,000	24,471,000
Prior	5,501,000	231,000
Revolving Loans	6,981,000	9,073,000
Revolving Loans Converted to Term Loans	0	0
Total	663,868,000	638,420,000
Commercial Lending | Construction and land | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	209,775,000	288,394,000
One Year before Current Fiscal Year	280,151,000	276,839,000
Two Years before Current Fiscal Year	120,724,000	31,804,000
Three Years before Current Fiscal Year	39,928,000	3,104,000
Four Years before Current Fiscal Year	808,000	2,805,000
Prior	5,501,000	231,000
Revolving Loans	6,981,000	9,073,000
Revolving Loans Converted to Term Loans	0	0
Total	663,868,000	612,250,000
Commercial Lending | Construction and land | Criticized (accrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	4,504,000
One Year before Current Fiscal Year	0	0
Two Years before Current Fiscal Year	0	0
Three Years before Current Fiscal Year	0	0
Four Years before Current Fiscal Year	0	21,666,000
Prior	0	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	0	26,170,000
Commercial Lending | Construction and land | Criticized (nonaccrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
One Year before Current Fiscal Year	0	0
Two Years before Current Fiscal Year	0	0
Three Years before Current Fiscal Year	0	0
Four Years before Current Fiscal Year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	0	0
Commercial Lending | Construction and land | YTD gross write-offs
Financing Receivable, 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	0
YTD gross write-offs Total	0
Commercial Lending | Total CRE
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	3,405,325,000	5,975,485,000
One Year before Current Fiscal Year	5,885,538,000	3,653,688,000
Two Years before Current Fiscal Year	3,230,264,000	2,338,055,000
Three Years before Current Fiscal Year	2,129,310,000	2,335,199,000
Four Years before Current Fiscal Year	2,125,717,000	1,941,633,000
Prior	3,515,384,000	2,599,067,000
Revolving Loans	108,522,000	187,506,000
Revolving Loans Converted to Term Loans	64,052,000	38,725,000
Total	20,464,112,000	19,069,358,000
Commercial Lending | Total CRE | YTD gross write-offs
Financing Receivable, 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	1,332,000
YTD gross write-offs Revolving Loans	0
YTD gross write-offs Revolving Loans Converted to Term Loans	0
YTD gross write-offs Total	1,332,000
Consumer Lending
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	3,203,283,000	3,566,646,000
One Year before Current Fiscal Year	3,370,152,000	2,458,718,000
Two Years before Current Fiscal Year	2,288,424,000	1,789,860,000
Three Years before Current Fiscal Year	1,601,372,000	1,110,064,000
Four Years before Current Fiscal Year	987,313,000	824,779,000
Prior	2,003,684,000	1,542,060,000
Revolving Loans	1,580,465,000	1,997,600,000
Revolving Loans Converted to Term Loans	130,898,000	132,250,000
Total	15,165,591,000	13,421,977,000
Consumer Lending | YTD gross write-offs
Financing Receivable, 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	41,000
YTD gross write-offs Revolving Loans	0
YTD gross write-offs Revolving Loans Converted to Term Loans	6,000
YTD gross write-offs Total	47,000
Consumer Lending | Real estate loan | Single-Family Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	3,195,976,000	3,549,035,000
One Year before Current Fiscal Year	3,346,097,000	2,454,992,000
Two Years before Current Fiscal Year	2,284,270,000	1,776,685,000
Three Years before Current Fiscal Year	1,598,046,000	1,106,630,000
Four Years before Current Fiscal Year	985,815,000	823,237,000
Prior	1,972,856,000	1,512,448,000
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	13,383,060,000	11,223,027,000
Consumer Lending | Real estate loan | Pass | Single-Family Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	3,188,830,000	3,548,894,000
One Year before Current Fiscal Year	3,340,789,000	2,453,717,000
Two Years before Current Fiscal Year	2,279,802,000	1,775,696,000
Three Years before Current Fiscal Year	1,594,525,000	1,101,965,000
Four Years before Current Fiscal Year	980,686,000	817,164,000
Prior	1,959,974,000	1,500,359,000
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	13,344,606,000	11,197,795,000
Consumer Lending | Real estate loan | Criticized (accrual) | Single-Family Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	2,680,000	0
One Year before Current Fiscal Year	4,471,000	1,275,000
Two Years before Current Fiscal Year	566,000	785,000
Three Years before Current Fiscal Year	1,440,000	1,463,000
Four Years before Current Fiscal Year	1,503,000	4,352,000
Prior	4,167,000	3,935,000
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	14,827,000	11,810,000
Consumer Lending | Real estate loan | Criticized (nonaccrual) | Single-Family Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	4,466,000	141,000
One Year before Current Fiscal Year	837,000	0
Two Years before Current Fiscal Year	3,902,000	204,000
Three Years before Current Fiscal Year	2,081,000	3,202,000
Four Years before Current Fiscal Year	3,626,000	1,721,000
Prior	8,715,000	8,154,000
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	23,627,000	13,422,000
Consumer Lending | Real estate loan | YTD gross write-offs | Single-Family Residential
Financing Receivable, 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	0
YTD gross write-offs Total	0
Consumer Lending | HELOCs
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	5,021,000	520,000
One Year before Current Fiscal Year	5,957,000	3,589,000
Two Years before Current Fiscal Year	4,019,000	7,819,000
Three Years before Current Fiscal Year	3,326,000	3,434,000
Four Years before Current Fiscal Year	1,498,000	1,542,000
Prior	17,584,000	13,804,000
Revolving Loans	1,553,901,000	1,959,697,000
Revolving Loans Converted to Term Loans	130,898,000	132,250,000
Total	1,722,204,000	2,122,655,000
Consumer Lending | HELOCs | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	3,641,000	520,000
One Year before Current Fiscal Year	3,882,000	3,583,000
Two Years before Current Fiscal Year	1,734,000	7,336,000
Three Years before Current Fiscal Year	3,153,000	3,203,000
Four Years before Current Fiscal Year	729,000	525,000
Prior	9,251,000	8,960,000
Revolving Loans	1,551,074,000	1,958,692,000
Revolving Loans Converted to Term Loans	126,280,000	127,401,000
Total	1,699,744,000	2,110,220,000
Consumer Lending | HELOCs | Criticized (accrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	565,000	0
One Year before Current Fiscal Year	1,219,000	6,000
Two Years before Current Fiscal Year	1,872,000	0
Three Years before Current Fiscal Year	101,000	0
Four Years before Current Fiscal Year	185,000	0
Prior	1,470,000	0
Revolving Loans	2,548,000	4,000
Revolving Loans Converted to Term Loans	1,089,000	1,079,000
Total	9,049,000	1,089,000
Consumer Lending | HELOCs | Criticized (nonaccrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	815,000	0
One Year before Current Fiscal Year	856,000	0
Two Years before Current Fiscal Year	413,000	483,000
Three Years before Current Fiscal Year	72,000	231,000
Four Years before Current Fiscal Year	584,000	1,017,000
Prior	6,863,000	4,844,000
Revolving Loans	279,000	1,001,000
Revolving Loans Converted to Term Loans	3,529,000	3,770,000
Total	13,411,000	11,346,000
Consumer Lending | HELOCs | YTD gross write-offs
Financing Receivable, 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	41,000
YTD gross write-offs Revolving Loans	0
YTD gross write-offs Revolving Loans Converted to Term Loans	6,000
YTD gross write-offs Total	47,000
Consumer Lending | Total residential mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	3,200,997,000	3,549,555,000
One Year before Current Fiscal Year	3,352,054,000	2,458,581,000
Two Years before Current Fiscal Year	2,288,289,000	1,784,504,000
Three Years before Current Fiscal Year	1,601,372,000	1,110,064,000
Four Years before Current Fiscal Year	987,313,000	824,779,000
Prior	1,990,440,000	1,526,252,000
Revolving Loans	1,553,901,000	1,959,697,000
Revolving Loans Converted to Term Loans	130,898,000	132,250,000
Total	15,105,264,000	13,345,682,000
Consumer Lending | Total residential mortgage | YTD gross write-offs
Financing Receivable, 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	41,000
YTD gross write-offs Revolving Loans	0
YTD gross write-offs Revolving Loans Converted to Term Loans	6,000
YTD gross write-offs Total	47,000
Consumer Lending | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	2,286,000	17,091,000
One Year before Current Fiscal Year	18,098,000	137,000
Two Years before Current Fiscal Year	135,000	5,356,000
Three Years before Current Fiscal Year	0	0
Four Years before Current Fiscal Year	0	0
Prior	13,244,000	15,808,000
Revolving Loans	26,564,000	37,903,000
Revolving Loans Converted to Term Loans	0	0
Total	60,327,000	76,295,000
Consumer Lending | Other consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	2,286,000	17,088,000
One Year before Current Fiscal Year	18,098,000	137,000
Two Years before Current Fiscal Year	135,000	5,356,000
Three Years before Current Fiscal Year	0	0
Four Years before Current Fiscal Year	0	0
Prior	13,244,000	15,808,000
Revolving Loans	26,432,000	37,804,000
Revolving Loans Converted to Term Loans	0	0
Total	60,195,000	76,193,000
Consumer Lending | Other consumer | Criticized (accrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	3,000
One Year before Current Fiscal Year	0	0
Two Years before Current Fiscal Year	0	0
Three Years before Current Fiscal Year	0	0
Four Years before Current Fiscal Year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Total	0	3,000
Consumer Lending | Other consumer | Criticized (nonaccrual)
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year	0	0
One Year before Current Fiscal Year	0	0
Two Years before Current Fiscal Year	0	0
Three Years before Current Fiscal Year	0	0
Four Years before Current Fiscal Year	0	0
Prior	0	0
Revolving Loans	132,000	99,000
Revolving Loans Converted to Term Loans	0	0
Total	132,000	$ 99,000
Consumer Lending | Other consumer | YTD gross write-offs
Financing Receivable, 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	0
YTD gross write-offs Total	$ 0