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Loans Receivable and Allowance for Credit Losses (Aging Analysis on Non-PCI Loans) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Nonaccrual and Past Due Loans |  |
Number of days beyond loan classified nonaccrual | 90 days |
Total loans | $ 28,975,718 | $ 25,503,139
Commercial Lending |  |
Nonaccrual and Past Due Loans |  |
Total loans | 22,210,001 | 19,917,365
Commercial Lending | C&I |  |
Nonaccrual and Past Due Loans |  |
Total loans | 10,697,231 | 9,640,563
Commercial Lending | CRE |  |
Nonaccrual and Past Due Loans |  |
Total loans | 8,936,897 | 8,016,109
Commercial Lending | Residential loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total loans | 1,916,176 | 1,585,939
Commercial Lending | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total loans | 659,697 | 674,754
Consumer Lending |  |
Nonaccrual and Past Due Loans |  |
Total loans | 6,765,717 | 5,585,774
Consumer Lending | Residential loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total loans | 4,646,289 | 3,509,779
Consumer Lending | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total loans | 1,782,924 | 1,760,776
Consumer Lending | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total loans | 336,504 | 315,219
Non-PCI impaired loans |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 67,677 | 101,189
Total Nonaccrual Loans | 114,309 | 122,817
Current Accruing Loans | 28,311,445 | 24,636,688
Total loans | 28,493,431 | 24,860,694
Non-PCI impaired loans | Commercial Lending |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 40,544 | 76,963
Total Nonaccrual Loans | 101,889 | 116,473
Current Accruing Loans | 21,716,666 | 19,239,522
Total loans | 21,859,099 | 19,432,958
Non-PCI impaired loans | Commercial Lending | C&I |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 31,046 | 47,331
Total Nonaccrual Loans | 69,213 | 81,256
Current Accruing Loans | 10,585,177 | 9,473,589
Total loans | 10,685,436 | 9,602,176
Non-PCI impaired loans | Commercial Lending | CRE |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 3,880 | 20,313
Total Nonaccrual Loans | 26,986 | 26,907
Current Accruing Loans | 8,628,343 | 7,620,441
Total loans | 8,659,209 | 7,667,661
Non-PCI impaired loans | Commercial Lending | Residential loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 4,860 | 4,325
Total Nonaccrual Loans | 1,717 | 2,984
Current Accruing Loans | 1,848,551 | 1,482,976
Total loans | 1,855,128 | 1,490,285
Non-PCI impaired loans | Commercial Lending | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 758 | 4,994
Total Nonaccrual Loans | 3,973 | 5,326
Current Accruing Loans | 654,595 | 662,516
Total loans | 659,326 | 672,836
Non-PCI impaired loans | Consumer Lending |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 27,133 | 24,226
Total Nonaccrual Loans | 12,420 | 6,344
Current Accruing Loans | 6,594,779 | 5,397,166
Total loans | 6,634,332 | 5,427,736
Non-PCI impaired loans | Consumer Lending | Residential loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 18,624 | 17,671
Total Nonaccrual Loans | 5,923 | 4,214
Current Accruing Loans | 4,504,364 | 3,348,784
Total loans | 4,528,911 | 3,370,669
Non-PCI impaired loans | Consumer Lending | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 8,472 | 5,451
Total Nonaccrual Loans | 4,006 | 2,130
Current Accruing Loans | 1,756,439 | 1,734,271
Total loans | 1,768,917 | 1,741,852
Non-PCI impaired loans | Consumer Lending | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 37 | 1,104
Total Nonaccrual Loans | 2,491 | 0
Current Accruing Loans | 333,976 | 314,111
Total loans | 336,504 | 315,215
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 57,551 | 73,152
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due | Commercial Lending |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 39,982 | 60,230
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due | Commercial Lending | C&I |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 30,964 | 45,052
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due | Commercial Lending | CRE |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 3,414 | 6,233
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due | Commercial Lending | Residential loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 4,846 | 3,951
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due | Commercial Lending | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 758 | 4,994
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due | Consumer Lending |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 17,569 | 12,922
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due | Consumer Lending | Residential loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 13,269 | 9,595
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due | Consumer Lending | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 4,286 | 2,845
Non-PCI impaired loans | Accruing Loans 30-59 Days Past Due | Consumer Lending | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 14 | 482
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 10,126 | 28,037
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due | Commercial Lending |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 562 | 16,733
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due | Commercial Lending | C&I |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 82 | 2,279
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due | Commercial Lending | CRE |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 466 | 14,080
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due | Commercial Lending | Residential loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 14 | 374
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due | Commercial Lending | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 0
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due | Consumer Lending |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 9,564 | 11,304
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due | Consumer Lending | Residential loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 5,355 | 8,076
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due | Consumer Lending | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 4,186 | 2,606
Non-PCI impaired loans | Accruing Loans 60-89 Days Past Due | Consumer Lending | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 23 | 622
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 34,351 | 78,779
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due | Commercial Lending |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 34,256 | 78,614
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due | Commercial Lending | C&I |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 27,408 | 60,519
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due | Commercial Lending | CRE |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 5,430 | 14,872
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due | Commercial Lending | Residential loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 1,418 | 2,790
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due | Commercial Lending | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 0 | 433
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due | Consumer Lending |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 95 | 165
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due | Consumer Lending | Residential loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 6 | 0
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due | Consumer Lending | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 89 | 165
Non-PCI impaired loans | Nonaccrual Loans Less Than 90 Days Past Due | Consumer Lending | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 0 | 0
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 79,958 | 44,038
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due | Commercial Lending |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 67,633 | 37,859
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due | Commercial Lending | C&I |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 41,805 | 20,737
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due | Commercial Lending | CRE |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 21,556 | 12,035
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due | Commercial Lending | Residential loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 299 | 194
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due | Commercial Lending | Construction and land |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 3,973 | 4,893
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due | Consumer Lending |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 12,325 | 6,179
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due | Consumer Lending | Residential loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 5,917 | 4,214
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due | Consumer Lending | HELOCs |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 3,917 | 1,965
Non-PCI impaired loans | Nonaccrual Loans 90 or More Days Past Due | Consumer Lending | Other consumer |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | $ 2,491 | $ 0

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