Shareholders' Equity and Share-Based Compensation Share-based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2019		Dec. 31, 2018		Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based incentive plan, number of shares authorized for issuance		1,000,000
Stock-based compensation expense		$ 1,205		$ 1,231		$ 1,954
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount		$ 1,258
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 7 months 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Rollforward]
Restricted stock outstanding as of beginning of period (2)		113,904	[1],[2]	117,701	[1],[2]	184,465
Restricted stock granted		68,004	[1]	71,053	[1],[2]	46,056
Restricted stock vested (2)		(62,695)	[1],[2]	(74,850)	[1],[2]	(112,820)
Restricted stock outstanding as of end of period (2)	[1],[2]	119,213		113,904		117,701
Restricted stock as of beginning of period of period, nonvested, weighted average grant date fair value per share		$ 19.19	[1],[2]	$ 21.02	[1],[2]	$ 22.65
Restricted stock granted, weighted average grant date fair value per share		18.09	[1]	18.95	[1],[2]	20.28
Restricted stock vested, weighted average grant date fair value per share		19.20	[1],[2]	21.85	[1],[2]	23.37
Restricted stock as of end of period, nonvested, weighted average grant date fair value per share	[1],[2]	$ 18.56		$ 19.19		$ 21.02

[1] Amounts have been adjusted to reflect the effect of the 1-for-3 reverse stock split.

[2] Amounts include awards previously granted under the 2009 Plan which will remain outstanding in accordance with their terms. The Company is no longer granting new equity awards under the 2009 Plan.