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/250/
HTTP 200 OK
Allow: GET, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": "topics-250",
    "model": "ddrfacetterm",
    "facet": "topics",
    "term_id": 250,
    "links": {
        "json": "http://ddr.densho.org/api/0.2/facet/topics/250/",
        "html": "http://ddr.densho.org/browse/topics/250/",
        "parent": "http://ddr.densho.org/api/0.2/facet/topics/249/",
        "ancestors": [
            "http://ddr.densho.org/api/0.2/facet/topics/40/",
            "http://ddr.densho.org/api/0.2/facet/topics/247/",
            "http://ddr.densho.org/api/0.2/facet/topics/249/"
        ],
        "siblings": [
            "http://ddr.densho.org/api/0.2/facet/topics/251/",
            "http://ddr.densho.org/api/0.2/facet/topics/252/",
            "http://ddr.densho.org/api/0.2/facet/topics/253/"
        ],
        "objects": "http://ddr.densho.org/api/0.2/facet/topics/250/objects/"
    },
    "title": "Comedies",
    "ancestors": [
        40,
        247,
        249
    ],
    "siblings": [
        251,
        252,
        253
    ],
    "path": "Arts and literature -- Performing arts -- Film -- Comedies",
    "breadcrumbs": []
}