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Loans Receivable and Allowance for Credit Losses (Composition of Non-PCI and PCI Loans) (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | $ 28,975,718 | $ 25,503,139
Allowance for loan losses | (287,128) | (260,520)
Loans held-for-investment, net | 28,688,590 | 25,242,619
Commercial Lending |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 22,210,001 | 19,917,365
Commercial Lending | C&I |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 10,697,231 | 9,640,563
Commercial Lending | CRE |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 8,936,897 | 8,016,109
Commercial Lending | Residential loan | Multifamily |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 1,916,176 | 1,585,939
Commercial Lending | Construction and land |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 659,697 | 674,754
Consumer Lending |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 6,765,717 | 5,585,774
Consumer Lending | Residential loan | Single-family |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 4,646,289 | 3,509,779
Consumer Lending | HELOCs |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 1,782,924 | 1,760,776
Consumer Lending | Other consumer |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 336,504 | 315,219
Non-PCI impaired loans |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 28,493,431 | 24,860,694
Allowance for loan losses | (287,070) | (260,402)
Loans held-for-investment, net | 28,206,361 | 24,600,292
Unearned fees, premiums and discounts, net | (34,000) | 1,200
Non-PCI impaired loans | Commercial Lending |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 21,859,099 | 19,432,958
Non-PCI impaired loans | Commercial Lending | C&I |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 10,685,436 | 9,602,176
Non-PCI impaired loans | Commercial Lending | CRE |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 8,659,209 | 7,667,661
Non-PCI impaired loans | Commercial Lending | Residential loan | Multifamily |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 1,855,128 | 1,490,285
Non-PCI impaired loans | Commercial Lending | Construction and land |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 659,326 | 672,836
Non-PCI impaired loans | Consumer Lending |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 6,634,332 | 5,427,736
Non-PCI impaired loans | Consumer Lending | Residential loan | Single-family |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 4,528,911 | 3,370,669
Non-PCI impaired loans | Consumer Lending | HELOCs |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 1,768,917 | 1,741,852
Non-PCI impaired loans | Consumer Lending | Other consumer |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 336,504 | 315,215
PCI Loans |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 482,287 | 642,445
Allowance for loan losses | (58) | (118)
Loans held-for-investment, net | 482,229 | 642,327
Discount related to ASC 310-30 | 35,300 | 49,400
PCI Loans | Commercial Lending |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 350,902 | 484,407
PCI Loans | Commercial Lending | C&I |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 11,795 | 38,387
PCI Loans | Commercial Lending | CRE |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 277,688 | 348,448
PCI Loans | Commercial Lending | Residential loan | Multifamily |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 61,048 | 95,654
PCI Loans | Commercial Lending | Construction and land |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 371 | 1,918
PCI Loans | Consumer Lending |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 131,385 | 158,038
PCI Loans | Consumer Lending | Residential loan | Single-family |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 117,378 | 139,110
PCI Loans | Consumer Lending | HELOCs |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | 14,007 | 18,924
PCI Loans | Consumer Lending | Other consumer |  |
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |
Total loans held-for-investment | $ 0 | $ 4

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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