Stock-Based Compensation (Details 1) shares in Thousands	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Number of options (in thousands)
Options outstanding at beginning of period (in shares) | shares	3,260
Options granted (in shares) | shares	0
Options exercised (in shares) | shares	(65)
Options forfeited (in shares) | shares	(20)
Options expired (in shares) | shares	(702)
Options outstanding at end of period (in shares) | shares	2,473
Weighted average exercise price
Weighted average exercise price, Options outstanding Beginning Balance (usd per share) | $ / shares	$ 22.64
Weighted average exercise price, Options granted (usd per share) | $ / shares	0
Weighted average exercise price, Options exercised (usd per share) | $ / shares	9.00
Weighted average exercise price, Options forfeited (usd per share) | $ / shares	15.83
Weighted average exercise price, Options expired (usd per share) | $ / shares	22.53
Weighted average exercise price, Options outstanding Ending Balance (usd per share) | $ / shares	$ 23.08