Subsequent Events - Additional Information - (Detail) - Subsequent Event [Member] $ in Millions |
Mar. 04, 2019
shares
|
Feb. 06, 2019
USD ($)
Subscriber
shares
|
Feb. 28, 2019 |
---|---|---|---|
Subsequent Event [Line Items] | |||
Preferred shares purchase rights, declared date as dividend | Mar. 04, 2019 | ||
Preferred shares purchase rights for each common stock | shares | 1 | ||
Preferred shares purchase rights, record date as dividend | Mar. 15, 2019 | ||
TAR Holdings [Member] | Seachange International, Inc [Member] | |||
Subsequent Event [Line Items] | |||
Ownership percentage | 20.60% | ||
Xstream A/S [Member] | |||
Subsequent Event [Line Items] | |||
Payments to acquire business | $ | $ 4.6 | ||
Business combination, shares of common stock | shares | 541,738 | ||
Business combination, total transaction value | $ | $ 5.5 | ||
Minimum [Member] | Xstream A/S [Member] | |||
Subsequent Event [Line Items] | |||
Number of OTT video subscribers | Subscriber | 5,000,000 |
X | ||||||||||
- Definition Number of preferred share purchase rights as dividend. No definition available.
|
X | ||||||||||
- Definition Number of video subscribers. No definition available.
|
X | ||||||||||
- Definition Preferred share purchase rights as dividend payable date declared day month and year. No definition available.
|
X | ||||||||||
- Definition Preferred share purchase rights as dividend payable date of record day month and year. No definition available.
|
X | ||||||||||
- Definition Number of shares of equity interests issued or issuable to acquire entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. No definition available.
|
X | ||||||||||
- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|