Share-Based Compensation (Details 1) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Restricted Stock Units (RSUs) [Member]
Restricted stock activity
Restricted units outstanding	342,683	340,678
Restricted units outstanding, weighted average price	$ 22.10	$ 27.64
Restricted stock units granted	115,957
Restricted stock units granted, weighted average price	$ 20.13
Restricted stock units forfeited	(59,842)
Restricted stock units forfeited, weighted average price	$ 24.13
Restricted stock units vested	(128,988)
Restricted stock units vested, weighted average price	$ 27.54
Restricted Stock Units (RSUs) - Equity Exchange Award [Member]
Restricted stock activity
Restricted stock units granted	99,500
Restricted stock units granted, weighted average price	$ 16.70
Restricted stock units forfeited	(24,622)
Restricted stock units forfeited, weighted average price	$ 31.14
Share-based Payment Arrangement, Option [Member]
Stock option activity in shares and weighted average price
Options outstanding, beginning of period, shares	644,575
Options outstanding, beginning of period, weighted average price	$ 28.28
Options canceled, shares	(40,795)
Options canceled, weighted average price	$ 27.00
Options canceled	(71,557)
Options canceled, weighted average price	$ 23.81
Options outstanding, end of period, shares	330,817
Options outstanding, end of period, weighted average price	$ 27.66
Options exercisable, end of period, shares	166,824
Options exercisable, end of period, weighted average price	$ 28.94
Share-based Payment Arrangement, Option - Equity Exchange Award [Member]
Stock option activity in shares and weighted average price
Options canceled, shares	(201,406)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	$ 31.14