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Financial Instruments Owned and Pledged as Collateral at Fair Value, Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase | 3 Months Ended
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Mar. 31, 2020
Banking and Thrift [Abstract] |
Financial Instruments Owned and Pledged as Collateral at Fair Value, Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase | Financial Instruments Owned and Pledged as Collateral at Fair Value, Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase The Company, through ECB, enters into repurchase agreements with clients seeking overnight money market returns whereby ECB transfers to the clients Mexican government securities in exchange for cash and concurrently agrees to repurchase the securities at a future date for an amount equal to the cash exchanged plus a stipulated premium or interest factor. ECB deploys the cash received from, and acquires the securities deliverable to, clients under these repurchase arrangements by purchasing securities in the open market, which the Company reflects as Financial Instruments Owned and Pledged as Collateral at Fair Value on the Unaudited Condensed Consolidated Statements of Financial Condition, or by entering into reverse repurchase agreements with unrelated third parties. The Company accounts for these repurchase and reverse repurchase agreements as collateralized financing transactions, which are carried at their contract amounts, which approximate fair value given that the contracts mature the following business day. The Company records a liability on its Unaudited Condensed Consolidated Statements of Financial Condition in relation to repurchase transactions executed with clients as Securities Sold Under Agreements to Repurchase. The Company records as assets on its Unaudited Condensed Consolidated Statements of Financial Condition, Financial Instruments Owned and Pledged as Collateral at Fair Value (where the Company has acquired the securities deliverable to clients under these repurchase arrangements by purchasing securities in the open market) and Securities Purchased Under Agreements to Resell (where the Company has acquired the securities deliverable to clients under these repurchase agreements by entering into reverse repurchase agreements with unrelated third parties). These Mexican government securities had an estimated average time to maturity of approximately five months, as of March 31, 2020, and are pledged as collateral against repurchase agreements. Generally, collateral is posted equal to the contract value at inception and is subject to market changes. These repurchase agreements are primarily with institutional customer accounts managed by ECB and permit the counterparty to pledge the securities. ECB has procedures in place to monitor the daily risk limits for positions taken, as well as the credit risk based on the collateral pledged under these agreements against their contract value from inception to maturity date. The daily risk measure is Value at Risk ("VaR"), which is a statistical measure, at a 98% confidence level, of the potential daily losses from adverse market movements in an ordinary market environment based on a historical simulation using the prior year's historical data. ECB's Risk Management Committee (the "Committee") has established a policy to maintain VaR at levels below 0.1% of the value of the portfolio. If at any point in time the threshold is exceeded, ECB personnel are alerted by an automated interface with ECB's trading systems and begin to make adjustments in the portfolio in order to mitigate the risk and bring the portfolio in compliance. Concurrently, ECB personnel must notify the Committee of the variance and the actions taken to reduce the exposure to loss. In addition to monitoring VaR, ECB periodically performs discrete stress tests ("Stress Tests") to assure that the level of potential losses that would arise from extreme market movements that may not be anticipated by VaR measures are within acceptable levels. As of March 31, 2020 and December 31, 2019, a summary of the Company's assets, liabilities and collateral received or pledged related to these transactions was as follows:
| March 31, 2020 |  | December 31, 2019
| Asset (Liability) Balance |  | Market Value of Collateral Received or (Pledged) |  | Asset (Liability) Balance |  | Market Value of Collateral Received or (Pledged)
Assets |  |  |  |  |  |  |
Financial Instruments Owned and Pledged as Collateral at Fair Value | $ | 20,422 |  |  |  |  | $ | 12,431 |  |  |
Securities Purchased Under Agreements to Resell | — |  |  | $ | — |  |  | 13,566 |  |  | $ | 13,572 |
Total Assets | $ | 20,422 |  |  |  |  | $ | 25,997 |  |  |
Liabilities |  |  |  |  |  |  |
Securities Sold Under Agreements to Repurchase | $ | (20,422 | ) |  | $ | (20,421 | ) |  | $ | (26,000 | ) |  | $ | (25,992 | )

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- References No definition available. + Details
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- Definition The entire disclosure for repurchase agreements (also known as repos), resale agreements (also known as reverse repurchase agreements or reverse repos), securities borrowed transactions, and securities loaned transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -URI http://asc.fasb.org/topic&trid=2197590 + Details
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