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Derivative Financial Instruments and Hedging (Tables) | 3 Months Ended
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Mar. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Gross Notional and Fair Value of Derivatives | The following table presents the gross notional and fair value amounts of derivatives (on a gross basis) categorized by underlying risk:
| As of March 31, 2021 |  | As of December 31, 2020
| Notional values |  | Asset derivatives |  | Liability derivatives |  | Notional values |  | Asset derivatives |  | Liability derivatives
Interest rate lock commitments | $ | 304,757 |  |  | $ | 8,284 |  |  | $ | — |  |  | $ | 219,929 |  |  | $ | 9,207 |  |  | $ | — |
Forward delivery contracts | 51,981 |  |  | 109 |  |  | — |  |  | 35,979 |  |  | — |  |  | 22 |
TBA mortgage backed securities | 395,000 |  |  | 3,628 |  |  | 403 |  |  | 291,000 |  |  | 232 |  |  | 1,508 |
Other | 1,467 |  |  | 667 |  |  | 692 |  |  | 3,058 |  |  | 2,090 |  |  | 560 |
Total | $ | 753,205 |  |  | $ | 12,688 |  |  | $ | 1,095 |  |  | $ | 549,966 |  |  | $ | 11,529 |  |  | $ | 2,090 |

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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121590274&loc=d3e41620-113959 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121590274&loc=d3e41638-113959 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121590274&loc=d3e41678-113959 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121590274&loc=d3e41641-113959 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579240-113959 + Details
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