Detail for specified facet term

`facet_id`: "topics", "facility", "format", "genre", or "rights".
`term_id`: A term ID from one of the following lists:

- http://partner.densho.org/vocab/api/0.2/topics.json
- http://partner.densho.org/vocab/api/0.2/facility.json
- http://partner.densho.org/vocab/api/0.2/format.json
- http://partner.densho.org/vocab/api/0.2/genre.json
- http://partner.densho.org/vocab/api/0.2/rights.json

GET /api/0.2/facet/topics/500/?format=api
HTTP 200 OK
Allow: OPTIONS, GET
Content-Type: application/json
Vary: Accept

{
    "id": "topics-500",
    "model": "ddrfacetterm",
    "facet": "topics",
    "term_id": 500,
    "links": {
        "json": "https://ddr.densho.org/api/0.2/facet/topics/500/?format=api",
        "html": "https://ddr.densho.org/browse/topics/500/?format=api",
        "parent": "https://ddr.densho.org/api/0.2/facet/topics/499/?format=api",
        "ancestors": [
            "https://ddr.densho.org/api/0.2/facet/topics/270/?format=api",
            "https://ddr.densho.org/api/0.2/facet/topics/499/?format=api"
        ],
        "objects": "https://ddr.densho.org/api/0.2/facet/topics/500/objects/?format=api"
    },
    "title": "Lincoln",
    "path": "Geographic communities -- Nebraska -- Lincoln",
    "ancestors": [
        270,
        499
    ],
    "breadcrumbs": []
}