Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income	$ 24,466	$ 20,714	$ 58,942	$ 53,134
Basic EPS, Shares	79,336	81,370	79,795	81,530
Basic EPS, Per Share Amount	$ 0.31	$ 0.25	$ 0.74	$ 0.65
Effect of restricted stock	$ 0	$ 0	$ 0	$ 0
Effect of restricted stock, Shares	28	34	44	57
Diluted EPS, Net Income	$ 24,466	$ 20,714	$ 58,942	$ 53,134
Diluted EPS, Shares	79,364	81,404	79,839	81,587
Diluted EPS, Per Share Amount	$ 0.31	$ 0.25	$ 0.74	$ 0.65