Intangible Assets and Goodwill (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Indefinite-lived Intangible Assets [Line Items] | |||
| Goodwill | $ 3,244,000 | $ 3,244,000 | |
| Total intangible assets and goodwill | 3,634,000 | 3,634,000 | |
| Impairment loss related to intangible assets or goodwill | 0 | 0 | $ 0 |
| State licenses | |||
| Indefinite-lived Intangible Assets [Line Items] | |||
| Intangible assets | 260,000 | 260,000 | |
| GSE applications | |||
| Indefinite-lived Intangible Assets [Line Items] | |||
| Intangible assets | $ 130,000 | $ 130,000 | |