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Stock-Based Compensation (Restricted Stock) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended				12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Oct. 31, 2020	Mar. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					514,611
Granted (in dollars per share)					$ 11.80
Recognized stock-based compensation expense					$ 4,335	$ 4,819	$ 3,665
Restricted stock unit activity
Nonvested at the beginning of the period (in shares)					712,844
Granted (in shares)					514,611
Vested (in shares)					(342,907)
Forfeited (in shares)					(212,964)
Nonvested at the end of the period (in shares)					671,584	712,844
Weighted Average Grant-Date Fair Value
Nonvested at the beginning of the period (in dollars per share)					$ 14.68
Granted (in dollars per share)					11.80
Vested (in dollars per share)					14.87
Forfeited (in dollars per share)					14.28
Nonvested at the end of the period (in dollars per share)					$ 12.51	$ 14.68
Additional disclosures
Unrecognized stock-based compensation expense					$ 4,500
Unrecognized stock-based compensation expense, period of recognition					1 year 9 months 18 days
Fair value of RSU, vested in period					$ 5,100	$ 4,100	4,300
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		316,959	11,194	513,995	500,624
Granted (in dollars per share)	$ 16.54	$ 25.38	$ 17.01	$ 4.40	$ 16.54
Recognized stock-based compensation expense					$ 4,200	$ 5,100	$ 3,200
Restricted stock unit activity
Nonvested at the beginning of the period (in shares)					753,793
Granted (in shares)		316,959	11,194	513,995	500,624
Vested (in shares)					(378,466)
Forfeited (in shares)					(213,999)
Nonvested at the end of the period (in shares)					661,952	753,793
Weighted Average Grant-Date Fair Value
Nonvested at the beginning of the period (in dollars per share)					$ 13.05
Granted (in dollars per share)	$ 16.54	$ 25.38	$ 17.01	$ 4.40	16.54
Vested (in dollars per share)					4.80
Forfeited (in dollars per share)					14.51
Nonvested at the end of the period (in dollars per share)					$ 19.94	$ 13.05
Additional disclosures
Unrecognized stock-based compensation expense					$ 6,400
Unrecognized stock-based compensation expense, period of recognition					1 year 8 months 12 days
2013 Equity and Incentive Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized for issuance					9,900,000
Number of shares available for grant					2,200,000
2013 Equity and Incentive Compensation Plan \| Equity Awards, Other Than Options And Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized for issuance					6,500,000
Number of shares available for grant					1,500,000
1995 Non-Employee Directors' Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized for issuance					800,000
Number of shares available for grant					302,000
1995 Non-Employee Directors' Stock Plan \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					63,696	23,224	34,986	14,211
Granted (in dollars per share)					$ 7.85	$ 21.53	$ 10.29	$ 25.33
Restricted stock unit activity
Granted (in shares)					63,696	23,224	34,986	14,211
Weighted Average Grant-Date Fair Value
Granted (in dollars per share)					$ 7.85	$ 21.53	$ 10.29	$ 25.33
1995 Non-Employee Directors' Stock Plan \| Restricted stock units \| 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					$ 0	$ 0	$ 120
1995 Non-Employee Directors' Stock Plan \| Restricted stock units \| 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					0	120	240
1995 Non-Employee Directors' Stock Plan \| Restricted stock units \| 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					167	333	0
1995 Non-Employee Directors' Stock Plan \| Restricted stock units \| 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					$ 333	$ 0	$ 0
1995 Executive Incentive Compensation Plan \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					450,915	343,125	522,087	270,864	242,791	286,251
Granted (in dollars per share)					$ 12.36	$ 18.62	$ 8.22	$ 22.25	$ 19.93	$ 13.70
Restricted stock unit activity
Granted (in shares)					450,915	343,125	522,087	270,864	242,791	286,251
Weighted Average Grant-Date Fair Value
Granted (in dollars per share)					$ 12.36	$ 18.62	$ 8.22	$ 22.25	$ 19.93	$ 13.70
1995 Executive Incentive Compensation Plan \| Restricted stock units \| 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					$ 0	$ 0	$ 85
1995 Executive Incentive Compensation Plan \| Restricted stock units \| 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					0	142	706
1995 Executive Incentive Compensation Plan \| Restricted stock units \| 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					314	1,239	1,270
1995 Executive Incentive Compensation Plan \| Restricted stock units \| 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					741	1,093	1,244
1995 Executive Incentive Compensation Plan \| Restricted stock units \| 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					1,294	1,892	0
1995 Executive Incentive Compensation Plan \| Restricted stock units \| 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense					$ 1,486	$ 0	$ 0