XML 36 R25.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Fair Value Measurement and Fair Value of Financial Instruments (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
Schedule of assets (liabilities) measured at fair value on a recurring basis | The following tables present financial assets and liabilities that are measured at fair value on a recurring basis as of June 30, 2017 and December 31, 2016:
|  | Assets (Liabilities) Measured at Fair Value on a Recurring Basis as of June 30, 2017
($ in thousands) |  | Fair Value Measurements |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Available-for-sale investment securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 546,857 |  |  | $ | 546,857 |  |  | $ | — |  |  | $ | — |
U.S. government agency and U.S. government sponsored enterprise debt securities |  | 173,585 |  |  | — |  |  | 173,585 |  |  | — |
U.S. government agency and U.S. government sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 325,144 |  |  | — |  |  | 325,144 |  |  | — |
Residential mortgage-backed securities |  | 1,128,531 |  |  | — |  |  | 1,128,531 |  |  | — |
Municipal securities |  | 105,502 |  |  | — |  |  | 105,502 |  |  | — |
Non-agency residential mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Investment grade |  | 10,210 |  |  | — |  |  | 10,210 |  |  | — |
Corporate debt securities: |  |  |  |  |  |  |  |  |  |  |  |
Investment grade |  | 2,296 |  |  | — |  |  | 2,296 |  |  | — |
Non-investment grade |  | 9,492 |  |  | — |  |  | 9,492 |  |  | — |
Foreign bonds: |  |  |  |  |  |  |  |
Investment grade |  | 479,687 |  |  | — |  |  | 479,687 |  |  | — |
Other securities |  | 41,421 |  |  | 31,351 |  |  | 10,070 |  |  | — |
Total available-for-sale investment securities |  | $ | 2,822,725 |  |  | $ | 578,208 |  |  | $ | 2,244,517 |  |  | $ | — |
Derivative assets: |  |  |  |  |  |  |  |
Interest rate swaps and options |  | $ | 64,254 |  |  | $ | — |  |  | $ | 64,254 |  |  | $ | — |
Foreign exchange contracts |  | 14,722 |  |  | — |  |  | 14,722 |  |  | — |
Credit risk participation agreements (“RPAs”) |  | 2 |  |  | — |  |  | 2 |  |  | — |
Warrants |  | 786 |  |  | — |  |  | 786 |  |  | — |
Total derivative assets |  | $ | 79,764 |  |  | $ | — |  |  | $ | 79,764 |  |  | $ | — |
Derivative liabilities: |  |  |  |  |  |  |  |
Interest rate swaps on certificates of deposit |  | $ | (6,686 | ) |  | $ | — |  |  | $ | (6,686 | ) |  | $ | — |
Interest rate swaps and options |  | (63,551 | ) |  | — |  |  | (63,551 | ) |  | — |
Foreign exchange contracts |  | (13,161 | ) |  | — |  |  | (13,161 | ) |  | — |
RPAs |  | (2 | ) |  | — |  |  | (2 | ) |  | — |
Total derivative liabilities |  | $ | (83,400 | ) |  | $ | — |  |  | $ | (83,400 | ) |  | $ | — |
|  | Assets (Liabilities) Measured at Fair Value on a Recurring Basis as of December 31, 2016
($ in thousands) |  | Fair Value Measurements |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Available-for-sale investment securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 720,479 |  |  | $ | 720,479 |  |  | $ | — |  |  | $ | — |
U.S. government agency and U.S. government sponsored enterprise debt securities |  | 274,866 |  |  | — |  |  | 274,866 |  |  | — |
U.S. government agency and U.S. government sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 266,799 |  |  | — |  |  | 266,799 |  |  | — |
Residential mortgage-backed securities |  | 1,258,747 |  |  | — |  |  | 1,258,747 |  |  | — |
Municipal securities |  | 147,654 |  |  | — |  |  | 147,654 |  |  | — |
Non-agency residential mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Investment grade |  | 11,477 |  |  | — |  |  | 11,477 |  |  | — |
Corporate debt securities: |  |  |  |  |  |  |  |  |  |  |  |
Investment grade |  | 222,377 |  |  | — |  |  | 222,377 |  |  | — |
Non-investment grade |  | 9,173 |  |  | — |  |  | 9,173 |  |  | — |
Foreign bonds: |  |  |  |  |  |  |  |
Investment grade |  | 383,894 |  |  | — |  |  | 383,894 |  |  | — |
Other securities |  | 40,329 |  |  | 30,991 |  |  | 9,338 |  |  | — |
Total available-for-sale investment securities |  | $ | 3,335,795 |  |  | $ | 751,470 |  |  | $ | 2,584,325 |  |  | $ | — |
Derivative assets: |  |  |  |  |  |  |  |
Foreign currency forward contracts |  | $ | 4,325 |  |  | $ | — |  |  | $ | 4,325 |  |  | $ | — |
Interest rate swaps and options |  | 67,578 |  |  | — |  |  | 67,578 |  |  | — |
Foreign exchange contracts |  | 11,874 |  |  | — |  |  | 11,874 |  |  | — |
RPAs |  | 3 |  |  | — |  |  | 3 |  |  | — |
Total derivative assets |  | $ | 83,780 |  |  | $ | — |  |  | $ | 83,780 |  |  | $ | — |
Derivative liabilities: |  |  |  |  |  |  |  |
Interest rate swaps on certificates of deposit |  | $ | (5,976 | ) |  | $ | — |  |  | $ | (5,976 | ) |  | $ | — |
Interest rate swaps and options |  | (65,131 | ) |  | — |  |  | (65,131 | ) |  | — |
Foreign exchange contracts |  | (11,213 | ) |  | — |  |  | (11,213 | ) |  | — |
RPAs |  | (3 | ) |  | — |  |  | (3 | ) |  | — |
Total derivative liabilities |  | $ | (82,323 | ) |  | $ | — |  |  | $ | (82,323 | ) |  | $ | — |
Schedule of assets measured at fair value on a nonrecurring basis | The following tables present the carrying amounts of assets included on the Consolidated Balance Sheets that had fair value changes measured on a nonrecurring basis as of June 30, 2017 and December 31, 2016:
|  | Assets Measured at Fair Value on a Nonrecurring Basis as of June 30, 2017
($ in thousands) |  | Fair Value Measurements |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Non-PCI impaired loans: |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate (“CRE”) |  | $ | 9,909 |  |  | $ | — |  |  | $ | — |  |  | $ | 9,909 |
Commercial and industrial (“C&I”) |  | 43,341 |  |  | — |  |  | — |  |  | 43,341 |
Residential |  | 6,117 |  |  | — |  |  | — |  |  | 6,117 |
Consumer |  | 633 |  |  | — |  |  | — |  |  | 633 |
Total non-PCI impaired loans |  | $ | 60,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 60,000 |
OREO |  | $ | 70 |  |  | $ | — |  |  | $ | — |  |  | $ | 70 |
|  | Assets Measured at Fair Value on a Nonrecurring Basis as of December 31, 2016
($ in thousands) |  | Fair Value Measurements |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Non-PCI impaired loans: |  |  |  |  |  |  |  |  |  |  |  |
CRE |  | $ | 14,908 |  |  | $ | — |  |  | $ | — |  |  | $ | 14,908 |
C&I |  | 52,172 |  |  | — |  |  | — |  |  | 52,172 |
Residential |  | 2,464 |  |  | — |  |  | — |  |  | 2,464 |
Consumer |  | 610 |  |  | — |  |  | — |  |  | 610 |
Total non-PCI impaired loans |  | $ | 70,154 |  |  | $ | — |  |  | $ | — |  |  | $ | 70,154 |
OREO |  | $ | 345 |  |  | $ | — |  |  | $ | — |  |  | $ | 345 |
Loans held-for-sale |  | $ | 22,703 |  |  | $ | — |  |  | $ | 22,703 |  |  | $ | — |
Schedule of fair value adjustments of assets measured on a nonrecurring basis recognized | The following table presents the fair value adjustments of assets measured on a nonrecurring basis recognized during the three and six months ended and which were included on the Consolidated Balance Sheets as of June 30, 2017 and 2016:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
($ in thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Non-PCI impaired loans: |  |  |  |  |  |  |  |  |  |
CRE |  | $ | 193 |  |  | $ | (261 | ) |  | $ | (29 | ) |  | $ | 1,908 |
C&I |  | (14,060 | ) |  | (4,693 | ) |  | (11,418 | ) |  | (9,149 | )
Residential |  | (30 | ) |  | (4 | ) |  | 51 |  |  | 27 |
Consumer |  | 24 |  |  | (2 | ) |  | 25 |  |  | 14 |
Total non-PCI impaired loans |  | $ | (13,873 | ) |  | $ | (4,960 | ) |  | $ | (11,371 | ) |  | $ | (7,200 | )
OREO |  | $ | — |  |  | $ | (1,073 | ) |  | $ | (285 | ) |  | $ | (1,529 | )
Loans held-for-sale |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (2,351 | )
Schedule of the carrying and fair values per the fair value hierarchy of certain financial instruments | The following tables present the carrying and fair values per the fair value hierarchy of certain financial instruments, excluding those measured at fair value on a recurring basis, as of June 30, 2017 and December 31, 2016:
($ in thousands) |  | June 30, 2017
| Carrying Amount |  | Level 1 |  | Level 2 |  | Level 3 |  | Estimated Fair Value
Financial assets: |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 2,752,476 |  |  | $ | 2,752,476 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,752,476 |
Interest-bearing deposits with banks |  | $ | 296,679 |  |  | $ | — |  |  | $ | 296,679 |  |  | $ | — |  |  | $ | 296,679 |
Resale agreements (1) |  | $ | 1,300,000 |  |  | $ | — |  |  | $ | 1,279,609 |  |  | $ | — |  |  | $ | 1,279,609 |
Held-to-maturity investment security |  | $ | 121,131 |  |  | $ | — |  |  | $ | — |  |  | $ | 121,803 |  |  | $ | 121,803 |
Restricted equity securities |  | $ | 73,173 |  |  | $ | — |  |  | $ | 73,173 |  |  | $ | — |  |  | $ | 73,173 |
Loans held-for-sale |  | $ | 11,649 |  |  | $ | — |  |  | $ | 11,649 |  |  | $ | — |  |  | $ | 11,649 |
Loans held-for-investment, net |  | $ | 26,934,350 |  |  | $ | — |  |  | $ | — |  |  | $ | 26,460,495 |  |  | $ | 26,460,495 |
Accrued interest receivable |  | $ | 100,036 |  |  | $ | — |  |  | $ | 100,036 |  |  | $ | — |  |  | $ | 100,036 |
Financial liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer deposits: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Demand, checking, savings and money market deposits |  | $ | 25,080,973 |  |  | $ | — |  |  | $ | 25,080,973 |  |  | $ | — |  |  | $ | 25,080,973 |
Time deposits |  | $ | 6,073,314 |  |  | $ | — |  |  | $ | 6,066,948 |  |  | $ | — |  |  | $ | 6,066,948 |
Short-term borrowings |  | $ | 24,426 |  |  | $ | — |  |  | $ | 24,426 |  |  | $ | — |  |  | $ | 24,426 |
FHLB advances |  | $ | 322,756 |  |  | $ | — |  |  | $ | 336,627 |  |  | $ | — |  |  | $ | 336,627 |
Repurchase agreements (1) |  | $ | 50,000 |  |  | $ | — |  |  | $ | 107,564 |  |  | $ | — |  |  | $ | 107,564 |
Long-term debt |  | $ | 176,450 |  |  | $ | — |  |  | $ | 183,589 |  |  | $ | — |  |  | $ | 183,589 |
Accrued interest payable |  | $ | 9,255 |  |  | $ | — |  |  | $ | 9,255 |  |  | $ | — |  |  | $ | 9,255 |
(1) | Resale and repurchase agreements are reported net pursuant to ASC 210-20-45, Balance Sheet Offsetting. As of June 30, 2017, $400.0 million out of $450.0 million of repurchase agreements was eligible for netting against resale agreements.
($ in thousands) |  | December 31, 2016
| Carrying Amount |  | Level 1 |  | Level 2 |  | Level 3 |  | Estimated Fair Value
Financial assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 1,878,503 |  |  | $ | 1,878,503 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,878,503 |
Interest-bearing deposits with banks |  | $ | 323,148 |  |  | $ | — |  |  | $ | 323,148 |  |  | $ | — |  |  | $ | 323,148 |
Resale agreements (1) |  | $ | 2,000,000 |  |  | $ | — |  |  | $ | 1,980,457 |  |  | $ | — |  |  | $ | 1,980,457 |
Held-to-maturity investment security |  | $ | 143,971 |  |  | $ | — |  |  | $ | — |  |  | $ | 144,593 |  |  | $ | 144,593 |
Restricted equity securities |  | $ | 72,775 |  |  | $ | — |  |  | $ | 72,775 |  |  | $ | — |  |  | $ | 72,775 |
Loans held-for-sale |  | $ | 23,076 |  |  | $ | — |  |  | $ | 23,076 |  |  | $ | — |  |  | $ | 23,076 |
Loans held-for-investment, net |  | $ | 25,242,619 |  |  | $ | — |  |  | $ | — |  |  | $ | 24,915,143 |  |  | $ | 24,915,143 |
Accrued interest receivable |  | $ | 100,524 |  |  | $ | — |  |  | $ | 100,524 |  |  | $ | — |  |  | $ | 100,524 |
Financial liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer deposits: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Demand, checking, savings and money market deposits |  | $ | 24,275,714 |  |  | $ | — |  |  | $ | 24,275,714 |  |  | $ | — |  |  | $ | 24,275,714 |
Time deposits |  | $ | 5,615,269 |  |  | $ | — |  |  | $ | 5,611,746 |  |  | $ | — |  |  | $ | 5,611,746 |
Short-term borrowings |  | $ | 60,050 |  |  | $ | — |  |  | $ | 60,050 |  |  | $ | — |  |  | $ | 60,050 |
FHLB advances |  | $ | 321,643 |  |  | $ | — |  |  | $ | 334,859 |  |  | $ | — |  |  | $ | 334,859 |
Repurchase agreements (1) |  | $ | 350,000 |  |  | $ | — |  |  | $ | 411,368 |  |  | $ | — |  |  | $ | 411,368 |
Long-term debt |  | $ | 186,327 |  |  | $ | — |  |  | $ | 186,670 |  |  | $ | — |  |  | $ | 186,670 |
Accrued interest payable |  | $ | 9,440 |  |  | $ | — |  |  | $ | 9,440 |  |  | $ | — |  |  | $ | 9,440 |
(1) | Resale and repurchase agreements are reported net pursuant to ASC 210-20-45, Balance Sheet Offsetting. As of December 31, 2016, $100.0 million out of $450.0 million of repurchase agreements was eligible for netting against resale agreements.
Fair Value, Measurements, Nonrecurring |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
Schedule of quantitative information about significant unobservable inputs used in the valuation of assets classified as Level 3 | The following table presents the quantitative information about the significant unobservable inputs used in the valuation of assets measured on a nonrecurring basis classified as Level 3 as of June 30, 2017 and December 31, 2016:
($ in thousands) |  | Fair Value Measurements (Level 3) |  | Valuation Technique(s) |  | Unobservable Input(s) |  | Range of Inputs |  | Weighted Average
June 30, 2017 |  |  |  |  |  |  |  |  |  |  |
Non-PCI impaired loans |  | $ | 37,105 |  |  | Discounted cash flow |  | Discount |  | 0% — 64% |  | 13%
|  | $ | 22,895 |  |  | Market comparables |  | Discount (1) |  | 0% — 100% |  | 31%
OREO |  | $ | 70 |  |  | Appraisal |  | Selling cost |  | 8% |  | 8%
December 31, 2016 |  |  |  |  |  |  |  |  |  |
Non-PCI impaired loans |  | $ | 31,835 |  |  | Discounted cash flow |  | Discount |  | 0% — 62% |  | 7%
|  | $ | 38,319 |  |  | Market comparables |  | Discount (1) |  | 0% — 100% |  | 18%
OREO |  | $ | 345 |  |  | Appraisal |  | Selling cost |  | 8% |  | 8%
(1) | Discount is adjusted for factors such as liquidation cost of collateral and selling cost.

X
- Definition Tabular disclosure of the increase (decrease) in value of certain assets that are measured at fair value on a nonrecurring basis for which a fair value adjustment has been included in the income statement. + References No definition available. + Details
Name: | ewbc_FairValueAdjustmentOfCertainAssetsOnNonrecurringBasisTableTextBlock
Namespace Prefix: | ewbc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the inputs and valuation techniques used to measure fair value, and a discussion of changes in valuation techniques and related inputs, if any, applied during the period to each separate class of assets, liabilities, and financial instruments classified in shareholders' equity that are measured on a recurring and/or nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13476-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |