Earnings per Share - Repurchase Program (Details) - Repurchase Program - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
Jun. 30, 2020	Sep. 18, 2019
Earnings Per Share
Value of shares authorized for repurchase		$ 5.0
Number of common stock repurchased	40,036
Stock Repurchased Average Price Per Share	$ 20.22

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration