Stock Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended
	Dec. 05, 2019	Jun. 13, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 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%
Stock repurchase program, number of additional shares authorized to be repurchased (in shares)	3,000,000
Shares repurchased, number of shares (in shares)			899,074	263,900	3,456,200	263,900
Shares repurchased, value			$ 12,998	$ 3,867	$ 53,361	$ 3,867
Shares repurchased, price per share (in dollars per share)			$ 14.46	$ 14.65	$ 15.44	$ 14.65