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Fair Value (Tables) | 12 Months Ended
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Dec. 31, 2020
Fair Value Disclosures [Abstract] |
Undesignated Derivative Instruments | The fair value measurement of NVRM's undesignated derivative instruments was as follows:
|  | As of December 31,
|  | 2020 |  | 2019
Rate lock commitments: |  |  |  |
Gross assets |  | $ | 10,844 |  |  | $ | 8,132 |
Gross liabilities |  | 87 |  |  | 497 |
Net rate lock commitments |  | $ | 10,757 |  |  | $ | 7,635 |
Forward sales contracts: |  |  |  |
Gross assets |  | $ | 1 |  |  | $ | 377 |
Gross liabilities |  | 5,217 |  |  | 920 |
Net forward sales contracts |  | $ | (5,216) |  |  | $ | (543) |
Fair Value Measurement | The fair value measurement as of December 31, 2020 was as follows:
|  | Notional or Principal Amount |  | Assumed Gain/(Loss) From Loan Sale |  | Interest Rate Movement Effect |  | Servicing Rights Value |  | Security Price Change |  | Total Fair Value Measurement Gain/(Loss)
Rate lock commitments |  | $ | 617,308 |  |  | $ | 3,227 |  |  | $ | 3,263 |  |  | $ | 4,267 |  |  | $ | — |  |  | $ | 10,757 |
Forward sales contracts |  | $ | 916,588 |  |  | — |  |  | — |  |  | — |  |  | (5,216) |  |  | (5,216) |
Mortgages held for sale |  | $ | 439,718 |  |  | 3,359 |  |  | 2,817 |  |  | 3,866 |  |  | — |  |  | 10,042 |
Total fair value measurement |  | $ | 6,586 |  |  | $ | 6,080 |  |  | $ | 8,133 |  |  | $ | (5,216) |  |  | $ | 15,583 |
Fair Value Measurements, Recurring and Nonrecurring | The following table presents the estimated fair values and carrying values of our Senior Notes as of December 31, 2020 and December 31, 2019. The estimated fair value is based on recent market prices of similar transactions, which is classified as Level 2 within the fair value hierarchy.
|  | December 31, 2020 |  | December 31, 2019
Estimated Fair Values: |  |  |  |
3.95% Senior Notes due 2022 |  | $ | 630,000 |  |  | $ | 626,520 |
3.00% Senior Notes due 2030 |  | 982,620 |  |  | — |
Total |  | $ | 1,612,620 |  |  | $ | 626,520 |
Carrying Values: |  |  |  |
3.95% Senior Notes due 2022 |  | $ | 598,925 |  |  | $ | 598,301 |
3.00% Senior Notes due 2030 |  | 918,470 |  |  | — |
Total |  | $ | 1,517,395 |  |  | $ | 598,301 |

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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments not designated as hedging instruments reported in the statement of financial position. + References No definition available. + Details
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- Definition Unrealized gain (loss) from change in fair value measurements of derivatives not designated as hedging instruments included in earnings. + References No definition available. + Details
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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=117815213&loc=SL7498348-110258 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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