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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Assumptions to Determine Estimated Fair Value of Converted Stock Options | The following table presents the ranges and weighted-averages of assumptions used in the Black-Scholes Model to determine the estimated fair value of the converted stock options from the Bay Banks Merger.
|  | As of January 31, 2021 |
|  | Range |  |  | Weighted-average |
Risk free interest rate (U.S. Treasury) |  | 0.06% - 0.45% |  |  | 0.32% |
Expected term (years) |  | 0.14 - 5.00 |  |  | 3.89 |
Expected volatility |  | 21.2% - 38.2% |  |  | 32.8% |
Expected dividend yield |  | 2.85% |  |  | 2.85% |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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