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Acquisitions and Divestitures - Purchase Price Allocation (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 30, 2017 | Apr. 03, 2017 | Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Assets: |  |  |  |  |  |  |  |  |  |
Cash and due from banks |  |  |  |  | $ 781,291 |  | $ 639,073 |  |  |
Interest-bearing cash |  |  |  |  | 1,277,611 |  | 1,185,600 |  |  |
Trading securities |  |  |  |  | 1,448,168 |  | 1,416,345 |  |  |
Loans held-for-sale | [1] |  |  |  | 679,149 |  | 699,377 |  |  |
Securities available-for-sale (a) |  |  |  |  |  |  | 5,170,255 |  |  |
Securities held-to-maturity (Note 3) |  |  |  |  | 10,000 |  | 10,000 |  |  |
Loans, net of unearned income |  |  |  |  | 27,535,532 | [2] | 27,658,929 | [2] | $ 19,589,520 |
Allowance for loan losses |  |  |  |  | (180,424) |  | (189,555) |  | (202,068) | $ (210,242)
Goodwill |  |  |  |  | 1,432,787 |  | 1,386,853 |  | 191,371 | 191,307
Other intangible assets |  |  |  |  | 155,034 |  | 184,389 |  |  |
Premises and equipment |  |  |  |  | 494,041 |  | 532,251 |  |  |
Other real estate owned (OREO) | [3] |  |  |  | 25,290 |  | 43,382 |  |  |
Other assets |  |  |  |  | 1,802,939 |  | 1,723,189 |  |  |
Total assets |  |  |  |  | 40,832,258 |  | 41,423,388 |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |
Deposits |  |  |  |  | 32,682,992 |  | 30,620,362 |  |  |
Securities sold under agreements to repurchase |  |  |  |  | 762,592 |  | 656,602 |  |  |
Other short-term borrowings |  |  |  |  | 114,764 |  | 2,626,213 |  |  |
Fixed income payables |  |  |  |  | 9,572 |  | 48,996 |  |  |
Term borrowings (Note 10) |  |  |  |  | 1,170,963 |  | 1,218,097 |  |  |
Other liabilities |  |  |  |  | 580,335 |  | 549,234 |  |  |
Total liabilities |  |  |  |  | 36,046,878 |  | 36,842,900 |  |  |
Consideration paid: |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | 1,432,787 |  | 1,386,853 |  | $ 191,371 | $ 191,307
Capital Bank Financial Corporation |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Loans held-for-sale |  | $ 121,800 |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | 1,192,839 |  |  |  |  |
Assets As Recorded: |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  | 205,999 |  |  |  |  |
Trading securities |  |  |  |  | 0 |  |  |  |  |
Loans held-for-sale |  |  |  |  | 122,969 |  |  |  |  |
Securities available-for-sale |  | 1,200,000 |  |  | 1,193,393 |  |  |  |  |
Securities held-to-maturity |  |  |  |  | 0 |  |  |  |  |
Loans |  | 7,300,000 |  |  | 7,276,544 |  |  |  |  |
Allowance for loan losses |  |  |  |  | 0 |  |  |  |  |
Other intangible assets |  |  |  |  | 141,207 |  |  |  |  |
Premises and equipment |  |  |  |  | 223,882 |  |  |  |  |
OREO |  |  |  |  | 33,613 |  |  |  |  |
Other assets |  |  |  |  | 636,130 |  |  |  |  |
Total assets acquired |  | 9,900,000 |  |  | 9,833,737 |  |  |  |  |
Liabilities As Recorded: |  |  |  |  |  |  |  |  |  |
Deposits |  | 8,100,000 |  |  | 8,140,102 |  |  |  |  |
Securities sold under agreements to repurchase |  |  |  |  | 26,664 |  |  |  |  |
Other short-term borrowings |  |  |  |  | 390,391 |  |  |  |  |
Term borrowings |  |  |  |  | 187,169 |  |  |  |  |
Other liabilities |  |  |  |  | 65,917 |  |  |  |  |
Total liabilities assumed |  |  |  |  | 8,810,243 |  |  |  |  |
Net assets acquired |  |  |  |  | 1,023,494 |  |  |  |  |
Consideration paid: |  |  |  |  |  |  |  |  |  |
Equity |  |  |  |  | (1,746,718) |  |  |  |  |
Cash |  | (423,600) |  | $ (46,000) | (469,615) |  |  |  |  |
Total consideration paid |  | (2,200,000) |  |  | (2,216,333) |  |  |  |  |
Goodwill |  |  |  |  | 1,192,839 |  |  |  |  |
Capital Bank Financial Corporation | Purchase Accounting/Fair Value Adjustments |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Cash and due from banks |  |  |  |  | 0 |  | 0 |  |  |
Trading securities |  |  |  |  | 0 |  | (4,758) |  |  |
Loans held-for-sale |  |  |  |  | (11,034) |  | 134,003 |  |  |
Securities available-for-sale (a) |  |  |  |  | 0 |  | 175,526 |  |  |
Securities held-to-maturity (Note 3) |  |  |  |  | 0 |  | (177,549) |  |  |
Loans, net of unearned income |  |  |  |  | 867 |  | (320,372) |  |  |
Allowance for loan losses |  |  |  |  | 0 |  | 45,711 |  |  |
Goodwill |  |  |  |  | 0 |  | (231,292) |  |  |
Other intangible assets |  |  |  |  | (2,593) |  | 119,302 |  |  |
Premises and equipment |  |  |  |  | (9,470) |  | 37,054 |  |  |
Other real estate owned (OREO) |  |  |  |  | (315) |  | (9,149) |  |  |
Other assets |  |  |  |  | (22,422) |  | 41,320 |  |  |
Total assets |  |  |  |  | (44,967) |  | (190,204) |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |
Deposits |  |  |  |  | (642) |  | (849) |  |  |
Securities sold under agreements to repurchase |  |  |  |  | 0 |  | 0 |  |  |
Other short-term borrowings |  |  |  |  | 0 |  | 0 |  |  |
Term borrowings (Note 10) |  |  |  |  | 0 |  | 67,683 |  |  |
Other liabilities |  |  |  |  | 1,631 |  | 4,291 |  |  |
Total liabilities |  |  |  |  | 989 |  | 71,125 |  |  |
Net assets acquired |  |  |  |  | (45,956) |  | (261,329) |  |  |
Consideration paid: |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | $ 0 |  | $ (231,292) |  |  |
Coastal Securities, Inc |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | $ 44,964 |  |  |  |  |  |  |
Assets As Recorded: |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | 7,502 |  |  |  |  |  |  |
Interest-bearing cash |  |  | 4,132 |  |  |  |  |  |  |
Trading securities |  |  | 139,082 |  |  |  |  |  |  |
Loans held-for-sale |  |  | 236,088 |  |  |  |  |  |  |
Investment securities |  |  | 1,413 |  |  |  |  |  |  |
Other intangible assets |  |  | 27,300 |  |  |  |  |  |  |
Premises and equipment |  |  | 1,229 |  |  |  |  |  |  |
Other assets |  |  | 1,672 |  |  |  |  |  |  |
Total assets acquired |  |  | 418,418 |  |  |  |  |  |  |
Liabilities As Recorded: |  |  |  |  |  |  |  |  |  |
Securities sold under agreements to repurchase |  |  | 201,595 |  |  |  |  |  |  |
Other short-term borrowings |  |  | 33,509 |  |  |  |  |  |  |
Fixed income payables |  |  | 96,489 |  |  |  |  |  |  |
Other liabilities |  |  | 316 |  |  |  |  |  |  |
Total liabilities assumed |  |  | 331,909 |  |  |  |  |  |  |
Net assets acquired |  |  | 86,509 |  |  |  |  |  |  |
Consideration paid: |  |  |  |  |  |  |  |  |  |
Cash |  |  | (131,473) |  |  |  |  |  |  |
Goodwill |  |  | 44,964 |  |  |  |  |  |  |
Coastal Securities, Inc | Purchase Accounting/Fair Value Adjustments |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Cash and due from banks |  |  | 0 |  |  |  |  |  |  |
Interest-bearing cash |  |  | 0 |  |  |  |  |  |  |
Trading securities |  |  | (284,580) |  |  |  |  |  |  |
Loans held-for-sale |  |  | 236,088 |  |  |  |  |  |  |
Investment securities |  |  | 1,413 |  |  |  |  |  |  |
Other intangible assets |  |  | 27,300 |  |  |  |  |  |  |
Premises and equipment |  |  | 0 |  |  |  |  |  |  |
Other assets |  |  | 14 |  |  |  |  |  |  |
Total assets |  |  | (19,765) |  |  |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |
Securities sold under agreements to repurchase |  |  | 0 |  |  |  |  |  |  |
Other short-term borrowings |  |  | 0 |  |  |  |  |  |  |
Fixed income payables |  |  | (47,158) |  |  |  |  |  |  |
Other liabilities |  |  | (642) |  |  |  |  |  |  |
Total liabilities |  |  | (47,800) |  |  |  |  |  |  |
Net assets acquired |  |  | 28,035 |  |  |  |  |  |  |
Capital Bank Financial Corporation |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Cash and due from banks |  | 205,999 |  |  |  |  |  |  |  |
Trading securities |  | 4,758 |  |  |  |  |  |  |  |
Loans held-for-sale |  | 0 |  |  |  |  |  |  |  |
Securities available-for-sale (a) |  | 1,017,867 |  |  |  |  |  |  |  |
Securities held-to-maturity (Note 3) |  | 177,549 |  |  |  |  |  |  |  |
Loans, net of unearned income |  | 7,596,049 |  |  |  |  |  |  |  |
Allowance for loan losses |  | (45,711) |  |  |  |  |  |  |  |
Goodwill |  | 231,292 |  |  |  |  |  |  |  |
Other intangible assets |  | 24,498 |  |  |  |  |  |  |  |
Premises and equipment |  | 196,298 |  |  |  |  |  |  |  |
Other real estate owned (OREO) |  | 43,077 |  |  |  |  |  |  |  |
Other assets |  | 617,232 |  |  |  |  |  |  |  |
Total assets |  | 10,068,908 |  |  |  |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |
Deposits |  | 8,141,593 |  |  |  |  |  |  |  |
Securities sold under agreements to repurchase |  | 26,664 |  |  |  |  |  |  |  |
Other short-term borrowings |  | 390,391 |  |  |  |  |  |  |  |
Term borrowings (Note 10) |  | 119,486 |  |  |  |  |  |  |  |
Other liabilities |  | 59,995 |  |  |  |  |  |  |  |
Total liabilities |  | 8,738,129 |  |  |  |  |  |  |  |
Net assets acquired |  | 1,330,779 |  |  |  |  |  |  |  |
Consideration paid: |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ 231,292 |  |  |  |  |  |  |  |
Coastal Securities, Inc |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Cash and due from banks |  |  | 7,502 |  |  |  |  |  |  |
Interest-bearing cash |  |  | 4,132 |  |  |  |  |  |  |
Trading securities |  |  | 423,662 |  |  |  |  |  |  |
Loans held-for-sale |  |  | 0 |  |  |  |  |  |  |
Investment securities |  |  | 0 |  |  |  |  |  |  |
Other intangible assets |  |  | 0 |  |  |  |  |  |  |
Premises and equipment |  |  | 1,229 |  |  |  |  |  |  |
Other assets |  |  | 1,658 |  |  |  |  |  |  |
Total assets |  |  | 438,183 |  |  |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |
Securities sold under agreements to repurchase |  |  | 201,595 |  |  |  |  |  |  |
Other short-term borrowings |  |  | 33,509 |  |  |  |  |  |  |
Fixed income payables |  |  | 143,647 |  |  |  |  |  |  |
Other liabilities |  |  | 958 |  |  |  |  |  |  |
Total liabilities |  |  | 379,709 |  |  |  |  |  |  |
Net assets acquired |  |  | $ 58,474 |  |  |  |  |  |  |
[1] | December 31, 2018 and 2017 include $8.4 million and $11.7 million, respectively, of held-for-sale consumer mortgage loans secured by residential real estate in process of foreclosure.
[2] | December 31, 2018 and 2017 include $28.6 million and $22.7 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate in process of foreclosure.
[3] | December 31, 2018 and 2017 include $9.7 million and $12.2 million, respectively, of foreclosed residential real estate.

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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