Stock-Based Compensation (Stock Appreciation Rights) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended							12 Months Ended
	Mar. 31, 2024	May 31, 2023	Mar. 31, 2023	Dec. 31, 2022	Oct. 31, 2022	Sep. 30, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Number of Shares
Stock appreciation rights exercised (in shares)								(603)		(16,671)
Weighted Average Exercise Price
Options vested, outstanding (in shares)								1,689,254
Options non-vested (in shares)								928,964
Weighted Average Exercise Price Per Share (in dollars per share)								$ 11.20
Weighted-Average Remaining Contractual Life in Years								5 years 5 months 23 days
Number of exercisable options (in shares)								1,689,254
Weighted average exercise price per share (in dollars per share)								$ 12.77
Unvested activity
Granted (in shares)								767,699
Vested (in shares)								(339,496)
Forfeited								(79,071)
Weighted Average Grant Date Fair Value
Granted (in dollars per share)								$ 12.04
Vested (in dollars per share)								16.54
Forfeited (in dollars per share)								$ 12.80
$5.02 - $13.70
Weighted Average Exercise Price
Options vested, outstanding (in shares)								1,103,357
Options non-vested (in shares)								928,964
Weighted Average Exercise Price Per Share (in dollars per share)								$ 9.07
Weighted-Average Remaining Contractual Life in Years								6 years 3 months 18 days
Number of exercisable options (in shares)								1,103,357
Weighted average exercise price per share (in dollars per share)								$ 9.69
$16.53 - $22.51
Weighted Average Exercise Price
Options vested, outstanding (in shares)								585,897
Options non-vested (in shares)								0
Weighted Average Exercise Price Per Share (in dollars per share)								$ 18.58
Weighted-Average Remaining Contractual Life in Years								2 years 7 months 24 days
Number of exercisable options (in shares)								585,897
Weighted average exercise price per share (in dollars per share)								$ 18.58
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)								3 years
Expiration period (in years)								10 years
Fair value assumptions
Risk-free interest rate (as a percent)	4.04%	3.48%	4.20%	3.75%	4.10%	3.56%	1.67%
Dividend yield (as a percent)	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
Expected life	6 years	6 years	6 years	6 years	6 years	6 years	6 years
Volatility (as a percent)	63.40%	63.00%	62.60%	62.40%	61.30%	60.60%	60.30%
SAR grant price (usd per share)	$ 8.20	$ 9.31	$ 7.45	$ 6.15	$ 5.26	$ 5.02	$ 12.65			$ 6.15
Number of Shares
Outstanding at beginning of period (in shares)								2,303,018
Granted (in shares)								567,967
Stock appreciation rights exercised (in shares)								(6,563)
Forfeited (in shares)								(246,204)
Outstanding at end of period (in shares)								2,618,218	2,303,018
Weighted Average Exercise Price
Outstanding at beginning of period (usd per share)								$ 13.01
Granted (usd per share)								8.20
Exercised (usd per share)								7.45
Forfeited/Expired (usd per share)								21.31
Outstanding at end of period								$ 11.20	$ 13.01
Outstanding - Aggregate Intrinsic Value								$ 400	$ 1,300
Total intrinsic value of SARs								0	0	$ 0
Recognized stock-based compensation expense								2,100	$ 1,500	1,500
Unrecognized stock-based compensation expense								$ 2,800
Unrecognized stock-based compensation expense, period of recognition								1 year 3 months 18 days
Unvested activity
Nonvested at the beginning of the period (in shares)								598,304
Granted (in shares)								567,967
Vested (in shares)								(220,327)
Forfeited								(16,980)
Nonvested at the end of the period (in shares)								928,964	598,304
Weighted Average Grant Date Fair Value
Nonvested at the beginning of the period (in dollars per share)								$ 5.51
Granted (in dollars per share)	$ 5.04	$ 5.64	$ 4.56	$ 3.72	$ 3.17	$ 2.97	$ 7.20	8.20
Vested (in dollars per share)								6.17
Forfeited (in dollars per share)								5.16
Nonvested at the end of the period (in dollars per share)								5.07	$ 5.51
Stock Appreciation Rights (SARs) | $5.02 - $13.70
Weighted Average Exercise Price
Range of Exercisable Prices, low end of range (in dollars per share)								5.02
Range of Exercisable Prices, high end of range (in dollars per share)								13.70
Stock Appreciation Rights (SARs) | $16.53 - $22.51
Weighted Average Exercise Price
Range of Exercisable Prices, low end of range (in dollars per share)								16.53
Range of Exercisable Prices, high end of range (in dollars per share)								$ 22.51
Performance Shares [Member]
Fair value assumptions
Risk-free interest rate (as a percent)	4.26%	3.75%	4.67%				1.59%
Dividend yield (as a percent)	0.00%	0.00%	0.00%				0.00%
Expected life	2 years 9 months 21 days	2 years 7 months 24 days	2 years 9 months 25 days				2 years 9 months 29 days
Weighted Average Exercise Price
Recognized stock-based compensation expense								$ 8,300	$ 5,900	4,300
Unrecognized stock-based compensation expense								$ 7,300
Unrecognized stock-based compensation expense, period of recognition								1 year 8 months 12 days
Unvested activity
Nonvested at the beginning of the period (in shares)								1,108,256
Granted (in shares)	778,702	29,337	758,965				500,624
Nonvested at the end of the period (in shares)								1,457,388	1,108,256
Weighted Average Grant Date Fair Value
Nonvested at the beginning of the period (in dollars per share)								$ 12.87
Granted (in dollars per share)	$ 12.04	$ 15.24	$ 10.91				$ 16.54
Nonvested at the end of the period (in dollars per share)								$ 11.58	$ 12.87
Performance period								3 years
Restricted stock units
Weighted Average Exercise Price
Recognized stock-based compensation expense								$ 6,338	$ 4,536	$ 4,522
Unrecognized stock-based compensation expense								$ 6,800
Unrecognized stock-based compensation expense, period of recognition								1 year 9 months 18 days
Unvested activity
Nonvested at the beginning of the period (in shares)								1,219,321
Granted (in shares)								905,624
Vested (in shares)								(591,442)
Forfeited								(57,847)
Nonvested at the end of the period (in shares)								1,475,656	1,219,321
Weighted Average Grant Date Fair Value
Nonvested at the beginning of the period (in dollars per share)								$ 8.63
Granted (in dollars per share)								8.19
Vested (in dollars per share)								9.46
Forfeited (in dollars per share)								8.55
Nonvested at the end of the period (in dollars per share)								$ 8.01	$ 8.63
Restricted stock units | Non-employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)								1 year
Restricted stock units | Officers And Key Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)								3 years
2013 Equity and Incentive Compensation Plan | Stock Appreciation Rights (SARs)
Unvested activity
Granted (in shares)	567,967	48,427	404,594	10,000	10,000	10,000	312,987