Stock Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended
	Jun. 13, 2019	Sep. 30, 2019	Sep. 30, 2019
Equity [Abstract]
Stock repurchase program, number of shares authorized to be repurchased (in shares)	4,000,000
Stock repurchase program, percent of common stock	3.50%
Shares repurchased, number of shares (in shares)		2,478,400	2,742,300
Shares repurchased, value		$ 38,217	$ 42,084
Shares repurchased, price per share (in dollars per share)		$ 15.42	$ 15.35