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Goodwill and Intangible Assets (Details) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Goodwill [Line Items] |  |  |
Goodwill | $ 64,489,000 |  | $ 64,489,000
Payment of contingent consideration | 633,000 | $ 0 |
Goodwill change during period | 0 |  |
Amortization expense | 2,763,000 | $ 2,763,000 |
Huntington Steele, LLC |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 11,499,000 |  |
Payment of contingent consideration | 633,000 |  | $ 433,000
Contingent consideration, current | 3,577,000 |  |
Contingent consideration, long-term | 8,045,000 |  |
Archway |  |  |
Goodwill [Line Items] |  |  |
Goodwill | $ 52,990,000 |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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