Stock Repurchase Program (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	May 31, 2019
Stockholders' Equity
Repurchase of common stock authorized by board of directors		$ 250,000
Payments to repurchase common stock	$ 12,621
Number of shares repurchased	252,409
Amount remaining under authorized stock repurchase program	$ 147,800

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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Balance Type:	na
Period Type:	duration