Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] - Merger Agreement [Member] $ / shares in Units, $ in Thousands	Apr. 07, 2021 USD ($) $ / shares
Subsequent Event [Line Items]
Common stock cancelled and converted into right to receive in cash without interest | $ / shares	$ 11.50
Common stock, conversion basis	As a result of the Merger, (i) each share of the Company’s common stock outstanding immediately prior to the effective time of the Merger (the “Effective Time”) (other than shares of common stock owned by stockholders of the Company who have not voted in favor of the adoption of the Merger Agreement and have properly exercised appraisal rights in accordance with Section 262 of the General Corporation Law of the State of Delaware and shares of common stock held by Parent or Merger Sub or their parent entities at the Effective Time) will, at the Effective Time, be automatically cancelled and converted into the right to receive $11.50 in cash, without interest, subject to applicable withholding taxes (the “Common Stock Merger Consideration”) and (ii) each share of issued and outstanding Series A convertible preferred stock will automatically be cancelled and converted into the right to receive an amount in cash equal to the sum of (1) the product of (x) the Common Stock Merger Consideration multiplied by (y) 1.66611 plus (2) an amount equal to (x) the number of shares of Series A convertible preferred stock issuable in respect of any accrued and unpaid dividends thereon as of the Effective Time, multiplied by (y) the Common Stock Merger Consideration multiplied by (z) 1.66611, without interest, subject to applicable withholding taxes.
Termination fee received	$ 51,800
Acquisition proposal to acquire, percentage	50.00%
Termination fee payable to parent	$ 32,900
Termination lower fee	$ 16,500