Stock Repurchase Program - Summary of Share Repurchase Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Total number of shares repurchased	393,975
Average price paid per share (in dollars per share)	$ 38.78
Total value of stock repurchased	$ 15.3	$ 47.8

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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