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/rightsstatements/und/?format=api
HTTP 200 OK
Allow: GET, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": "rightsstatements-und",
    "model": "ddrfacetterm",
    "facet": "rightsstatements",
    "term_id": "und",
    "links": {
        "json": "https://ddr.densho.org/api/0.2/facet/rightsstatements/und/?format=api",
        "html": "https://ddr.densho.org/browse/rightsstatements/und/?format=api",
        "objects": "https://ddr.densho.org/api/0.2/facet/rightsstatements/und/objects/?format=api"
    },
    "title": "Copyright Undetermined",
    "description": "This Rights Statement should be used for Items for which the copyright status is unknown and for which the organization that has made the Item available has undertaken an (unsuccessful) effort to determine the copyright status of the underlying Work. Typically, this Rights Statement is used when the organization is missing key facts essential to making an accurate copyright status determination."
}