XML 36 R23.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Offsetting of Assets and Liabilities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2016
Offsetting of Assets and Liabilities [Abstract] |
Offsetting of Assets and Liabilities [Table Text Block] | The following tables present information about certain assets and liabilities representing financial instruments as of March 31, 2016 and December 31, 2015. The Company has not previously entered into master netting agreements with any of its counterparties. Certain of the Company's repurchase and reverse repurchase agreements and financial derivative transactions are governed by underlying agreements that generally provide a right of offset in the event of default or in the event of a bankruptcy of either party to the transaction. March 31, 2016:
Description |  | Amount of Assets (Liabilities) Presented in the Consolidated Balance Sheet(1) |  | Financial Instruments Available for Offset |  | Financial Instruments Transferred or Pledged as Collateral(2)(3) |  | Cash Collateral (Received) Pledged(2)(3) |  | Net Amount
(In thousands) |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Financial derivatives–assets |  | $ | 1,635 |  |  | $ | (1,473 | ) |  | $ | — |  |  | $ | — |  |  | $ | 162 |
Reverse repurchase agreements |  | 69,575 |  |  | (69,575 | ) |  | — |  |  | — |  |  | — |
Liabilities: |  |  |  |  |  |  |  |  |  |
Financial derivatives–liabilities |  | (18,284 | ) |  | 1,473 |  |  | — |  |  | 16,085 |  |  | (726 | )
Repurchase agreements |  | (1,133,841 | ) |  | 69,575 |  |  | 1,057,542 |  |  | 6,724 |  |  | — |
(1) | In the Company's Consolidated Balance Sheet, all balances associated with the repurchase agreements and financial derivatives are presented on a gross basis.
(2) | For the purpose of this presentation, for each row the total amount of financial instruments transferred or pledged and cash collateral (received) or pledged may not exceed the applicable gross amount of assets or (liabilities) as presented here. Therefore, the Company has reduced the amount of financial instruments transferred or pledged as collateral related to the Company's repurchase agreements and cash collateral pledged on the Company's financial derivative assets and liabilities. Total financial instruments transferred or pledged as collateral on the Company's repurchase agreements as of March 31, 2016 were $1.19 billion. As of March 31, 2016 total cash collateral on financial derivative assets and liabilities excludes $0.2 million and $7.0 million, respectively of net excess cash collateral.
(3) | When collateral is pledged to or pledged by a counterparty, it is often pledged or posted with respect to all positions with such counterparty, and in such cases such collateral cannot be specifically identified as relating to a specific asset or liability. As a result, in preparing the above table, the Company has made assumptions in allocating pledged or posted collateral among the various rows.
December 31, 2015:
Description |  | Amount of Assets (Liabilities) Presented in the Consolidated Balance Sheet(1) |  | Financial Instruments Available for Offset |  | Financial Instruments Transferred or Pledged as Collateral(2)(3) |  | Cash Collateral (Received) Pledged(2)(3) |  | Net Amount
(In thousands) |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Financial derivatives–assets |  | $ | 2,183 |  |  | $ | (1,529 | ) |  | $ | — |  |  | $ | — |  |  | $ | 654 |
Reverse repurchase agreements |  | 78,632 |  |  | (78,632 | ) |  | — |  |  | — |  |  | — |
Liabilities: |  |  |  |  |  |  |  |  |  |
Financial derivatives–liabilities |  | (4,725 | ) |  | 1,529 |  |  | — |  |  | 3,089 |  |  | (107 | )
Repurchase agreements |  | (1,222,719 | ) |  | 78,632 |  |  | 1,123,409 |  |  | 20,678 |  |  | — |
(1) | In the Company's Consolidated Balance Sheet, all balances associated with the repurchase agreements and financial derivatives are presented on a gross basis.
(2) | For the purpose of this presentation, for each row the total amount of financial instruments transferred or pledged and cash collateral (received) or pledged may not exceed the applicable gross amount of assets or (liabilities) as presented here. Therefore the Company has reduced the amount of financial instruments transferred or pledged as collateral related to the Company's repurchase agreements and cash collateral pledged on the Company's financial derivative assets and liabilities. Total financial instruments transferred or pledged as collateral on the Company's repurchase agreements as of December 31, 2015 were $1.26 billion. As of December 31, 2015 total cash collateral on financial derivative assets and liabilities excludes $6.8 million and $2.5 million, respectively of net excess cash collateral.
(3) | When collateral is pledged to or pledged by a counterparty, it is often pledged or posted with respect to all positions with such counterparty, and in such cases such collateral cannot be specifically identified as relating to a specific asset or liability. As a result, in preparing the above table, the Company has made assumptions in allocating pledged or posted collateral among the various rows.

X
- Definition Tabular disclosure of derivatives and repurchase agreements that are subject to offsetting. + References No definition available. + Details
Name: | earn_OffsettingOfAssetsandLiabilitiesTableTextBlock
Namespace Prefix: | earn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Offsetting of Assets and Liabilities [Abstract] + References No definition available. + Details
Name: | earn_OffsettingofAssetsandLiabilitiesAbstract
Namespace Prefix: | earn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration