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Stockholders' Equity - Additional Information (Details) |  |  | 2 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 27, 2020 USD ($) warrant $ / shares | Jan. 22, 2020 USD ($) $ / shares | Mar. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) $ / shares shares | Aug. 29, 2011 shares
Equity Class Of Treasury Stock [Line Items] |  |  |  |  |  |
Sale of stock price per share | $ / shares | $ 12.50 |  |  |  |  |
Common stock distribution value | $ 5,258,320,000 |  |  |  |  |
Valuation model description | The expected life of 5 years was based on the estimated term of the Common Stock Warrants, the volatility factor of 46.5% was based on historical volatilities of the Company’s common stock and the exercise price of $12.50 per share of the Company’s common stock was based on the terms of the warrant agreement. |  |  |  |  |
Common stock, shares authorized (in shares) | shares |  |  |  | 10,000,000 | 10,000,000 |
Proceeds from the exercise of the warrants and issuance of the common shares |  |  |  | $ 13,000,000 |  |
Common stock issuance cost |  |  |  | $ 202,000 |  |
Common stock, par value (in dollars per share) | $ / shares |  |  |  | $ 0.01 | $ 0.01 |
Form S-3 and ATM registration costs |  |  |  | $ 202,000 |  |
Number of shares authorized and available for repurchase (in shares) | shares |  |  |  | 540,000 |  | 100,000
Treasury stock, (in shares) | shares |  |  |  | 81,584 | 81,584 |
Value of repurchased common stock |  |  |  | $ 580,000 | $ 580,000 |
Open Market Sale Agreement [Member] |  |  |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |  |  |
Sale of stock price per share | $ / shares |  |  | $ 13.65 |  |  |
Common stock, par value (in dollars per share) | $ / shares |  | $ 0.01 |  |  |  |
At-the-market stock sales, (in shares) | shares |  |  | 263,725 |  |  |
Amount raised through offering |  |  | $ 3,492,000 |  |  |
Brokerage charges |  |  | $ 108,000 |  |  |
Form S-3 and ATM registration costs |  |  |  | $ 238,000 |  |
Warrant |  |  |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |  |  |
number of warrants entitle their holder to purchase share | warrant | 5 |  |  |  |  |
number of warrants received by each shareholder per share | warrant | 1 |  |  |  |  |
Common Stock Warrants fair value | $ 3,600,000 |  |  |  |  |
Common stock, shares authorized (in shares) | shares |  |  |  | 1,051,664 |  |
Maximum [Member] |  |  |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |  |  |
Sale of stock price per share | $ / shares | $ 17.50 |  |  |  |  |
Maximum [Member] | Open Market Sale Agreement [Member] |  |  |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |  |  |
Aggregate offering price |  | $ 15,000,000 |  |  |  |

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