Earnings Per Share - Limited Duration Stockholder Rights Agreement (Details) - Subsequent Event	1 Months Ended
	Mar. 31, 2020 $ / shares shares
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Preferred stock dividend (in shares) | shares	1
Preferred share purchase right, percent of common stock acquired, initial trigger	10.00%
Preferred share purchase right, percent of common stock acquired, BOD option trigger	50.00%
Junior Participating Preferred Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Number of share purchase rights per share	$ 0.001
Participating preferred stock exercise price (in dollars per share)	50
Board of directors | Junior Participating Preferred Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Number of share purchase rights per share	1
Redemption price per share (in dollars per share)	$ 0.01