Stock-Based Compensation - Summary of Performance Stock Options Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Number of Shares
Number of Shares, Outstanding, Beginning Balance (in shares) | shares	9,166
Number of Shares, Outstanding, Ending Balance (in shares) | shares	9,166
Number of Shares, Exercisable, Ending Balance (in shares) | shares	9,166
Weighted Average Grant Date Fair Value
Weighted Average Exercise Price, Outstanding, Beginning Balance (in dollars per share) | $ / shares	$ 22.17
Weighted Average Exercise Price, Outstanding, Ending Balance (in dollars per share) | $ / shares	22.17
Weighted Average Exercise Price, Exercisable, Ending Balance (in dollars per share) | $ / shares	$ 22.17
Weighted Average Remaining Contractual Term (in years), Outstanding	1 year 3 months 3 days
Weighted Average Remaining Contractual Term (in years), Exercisable	1 year 3 months 3 days
Aggregate intrinsic value, Outstanding | $	$ 154
Aggregate intrinsic value, Exercisable | $	$ 154
Performance Stock Options
Number of Shares
Number of Shares, Outstanding, Beginning Balance (in shares) | shares	164,013
Number of Shares, Outstanding, Ending Balance (in shares) | shares	164,013
Number of Shares, Vested or Expected to Vest (in shares) | shares	150,697
Number of Shares, Exercisable, Ending Balance (in shares) | shares	150,697
Weighted Average Grant Date Fair Value
Weighted Average Exercise Price, Outstanding, Beginning Balance (in dollars per share) | $ / shares	$ 31.73
Weighted Average Exercise Price, Outstanding, Ending Balance (in dollars per share) | $ / shares	31.73
Weighted Average Exercise Price, Vested and Expected to Vest (in dollars per share) | $ / shares	30.95
Weighted Average Exercise Price, Exercisable, Ending Balance (in dollars per share) | $ / shares	$ 30.95
Weighted Average Remaining Contractual Term (in years), Outstanding	3 years 2 months 15 days
Weighted Average Remaining Contractual Term (in years), Vested or expected to vest	3 years 2 months 8 days
Weighted Average Remaining Contractual Term (in years), Exercisable	3 years 2 months 8 days
Aggregate intrinsic value, Outstanding | $	$ 1,206
Aggregate intrinsic value, Vested or expected to vest | $	1,206
Aggregate intrinsic value, Exercisable | $	$ 1,206