Shareholders' Equity and Share-Based Compensation Share-based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
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		$ 307	$ 298
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Rollforward]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition			2 years 3 months 18 days
Restricted Stock
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	[1]	119,213	113,904
Restricted stock granted	[1]	67,511	50,817
Restricted stock vested	[1]	(48,569)	(50,380)
Restricted stock outstanding as of end of period	[1]	138,155	114,341
Restricted stock as of beginning of period of period, nonvested, weighted average grant date fair value per share	[1]	$ 18.56	$ 19.19
Restricted stock granted, weighted average grant date fair value per share	[1]	17.10	18.30
Restricted stock vested, weighted average grant date fair value per share	[1]	19.02	19.12
Restricted stock as of end of period, nonvested, weighted average grant date fair value per share	[1]	$ 17.69	$ 18.83
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount		$ 2,105

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