Employee and Non-Employee Benefit Plans	3 Months Ended
Mar. 31, 2016
Compensation and Retirement Disclosure [Abstract]
Employee and Non-Employee Benefit Plans	Employee and Non-Employee Benefit Plans. Equity-Based Compensation Plans. The Company’s equity-based compensation plans provide for the awarding of stock options, stock appreciation rights, shares of restricted stock ("Restricted Stock"), and RSUs for senior executives and salaried employees as well as non-employee directors. The Company has two active equity-based compensation plans: the Employee Equity Incentive Plan of 2014 (the "2014 Plan") and the Non-Employee Director Equity Incentive Plan (the "Directors' Plan"). The 2014 Plan replaced the inactive Stock Incentive Plan of 2004 (the "2004 Plan"), although the 2004 Plan had a remaining balance of 128,500 nonvested outstanding awards at March 31, 2016. At the May 2014 annual meeting, shareholders also approved a new Employee Stock Purchase Plan ("ESPP"). At March 31, 2016 this ESPP was not active, but the previous ESPP plan remained intact. The 2014 Plan provides that vesting occurs pursuant to the time period specified in the particular award agreement approved for that issuance of RSUs, which is not less than three years unless vesting is accelerated due to the occurrence of certain events. Prior to early 2015, awards granted under the 2014 Plan had only service conditions required for vesting. The compensation expense related to awards with only service conditions was based on the market price of the stock determined on the date the Board of Directors approved the grants amortized over the service condition vesting period. In early 2015, the Board of Directors approved awards with both service and performance conditions. The compensation expense related to awards with both service and performance conditions are treated as a cash bonus award to be settled in RSUs. Because management has determined that award performance conditions are substantive, the estimated compensation expense is recognized ratably over the period beginning in the performance condition measurement year (the year prior to the grant date year) when, or if, the Company determines that it is highly probable the performance conditions will be met and ending on the award service condition vesting date. Until the grant date, the award is liability-classified because it is a fixed dollar amount to be awarded in a variable number of RSUs. As a liability-classified award, related compensation expense is reflected in Selling, general and administrative expenses on the Condensed Consolidated Statements of Comprehensive Income and the corresponding liability in Accrued Expenses on the Condensed Consolidated Balance Sheets. If it is determined in the measurement year that meeting the performance conditions is highly probable and then the determination changes to less than highly probable later in the year, the compensation expense recognized while the determination was highly probable, along with the corresponding liability, are immediately reversed. At the grant date in the following year (when the number of RSUs to be awarded is known), the liability-classified award is reclassified and the award becomes equity-classified. Compensation expense related to the equity-classified award is reflected in Selling, general and administrative expenses on the Condensed Consolidate Statements of Comprehensive Income and the corresponding equity entry in Additional paid-in capital on the Condensed Consolidated Balance Sheets. Awards with only service conditions continue to be granted under the 2014 Plan at the discretion of the Board of Directors as a means to attract and retain key employees. As of March 31, 2016, 206,093 RSUs had been granted under the 2014 Plan, with 6,256 of those forfeited for termination of employment. As of March 31, 2016, the unamortized balance of liability-classified awards, net of estimated forfeitures, was $1,193. The Directors' Plan provides that vesting occurs pursuant to the time period specified in the particular award agreement approved for that issuance, which is not less than one year unless vesting is accelerated due to the occurrence of certain events. As of March 31, 2016, 36,189 shares had been granted related to the Directors' Plan. The compensation expense related to awards granted under the Directors' Plan is based on the closing market price of the Company's stock on the day before the award. As of March 31, 2016, 665,837 shares of unvested Restricted Stock and RSUs were outstanding under the Company’s active and inactive long-term incentive plans. Randall M. Schrick, the Company's former Vice President of Production and Engineering, retired effective December 31, 2015. In recognition of Mr. Schrick's service, the Company elected to continue the vesting of his shares of Restricted Stock and RSUs on their original vesting schedules, which extend beyond Mr. Schrick's retirement date. The Company determined that Mr. Schrick's change in employment status to a consultant resulted in a modification of his unvested equity awards. Accordingly, recognition of the remaining associated compensation expense was accelerated and fully recognized prior to his retirement date. Mr. Schrick was awarded additional RSUs in February 2016, based on 2015 Company performance, in his capacity as a consultant. Because Mr. Schrick has no substantive service condition associated with his award, the remainder of the associated compensation expense not previously accrued during 2015 of $152 was expensed during the quarter ended March 31, 2016. Associated compensation expense was reflected in Selling, general and administrative expenses on the Condensed Consolidated Statements of Comprehensive Income. Mr. Schrick's unvested awards at March 31, 2016 were 16,500 shares of Restricted Stock and 38,514 RSUs.

Employee and Non-Employee Benefit Plans.

Equity-Based Compensation Plans. The Company’s equity-based compensation plans provide for the awarding of stock options, stock appreciation rights, shares of restricted stock ("Restricted Stock"), and RSUs for senior executives and salaried employees as well as non-employee directors.

The Company has two active equity-based compensation plans: the Employee Equity Incentive Plan of 2014 (the "2014 Plan") and the Non-Employee Director Equity Incentive Plan (the "Directors' Plan"). The 2014 Plan replaced the inactive Stock Incentive Plan of 2004 (the "2004 Plan"), although the 2004 Plan had a remaining balance of 128,500 nonvested outstanding awards at March 31, 2016.

At the May 2014 annual meeting, shareholders also approved a new Employee Stock Purchase Plan ("ESPP"). At March 31, 2016 this ESPP was not active, but the previous ESPP plan remained intact.

The 2014 Plan provides that vesting occurs pursuant to the time period specified in the particular award agreement approved for that issuance of RSUs, which is not less than three years unless vesting is accelerated due to the occurrence of certain events. Prior to early 2015, awards granted under the 2014 Plan had only service conditions required for vesting. The compensation expense related to awards with only service conditions was based on the market price of the stock determined on the date the Board of Directors approved the grants amortized over the service condition vesting period.

In early 2015, the Board of Directors approved awards with both service and performance conditions. The compensation expense related to awards with both service and performance conditions are treated as a cash bonus award to be settled in RSUs. Because management has determined that award performance conditions are substantive, the estimated compensation expense is recognized ratably over the period beginning in the performance condition measurement year (the year prior to the grant date year) when, or if, the Company determines that it is highly probable the performance conditions will be met and ending on the award service condition vesting date.

Until the grant date, the award is liability-classified because it is a fixed dollar amount to be awarded in a variable number of RSUs. As a liability-classified award, related compensation expense is reflected in Selling, general and administrative expenses on the Condensed Consolidated Statements of Comprehensive Income and the corresponding liability in Accrued Expenses on the Condensed Consolidated Balance Sheets. If it is determined in the measurement year that meeting the performance conditions is highly probable and then the determination changes to less than highly probable later in the year, the compensation expense recognized while the determination was highly probable, along with the corresponding liability, are immediately reversed. At the grant date in the following year (when the number of RSUs to be awarded is known), the liability-classified award is reclassified and the award becomes equity-classified. Compensation expense related to the equity-classified award is reflected in Selling, general and administrative expenses on the Condensed Consolidate Statements of Comprehensive Income and the corresponding equity entry in Additional paid-in capital on the Condensed Consolidated Balance Sheets.

Awards with only service conditions continue to be granted under the 2014 Plan at the discretion of the Board of Directors as a means to attract and retain key employees.

As of March 31, 2016, 206,093 RSUs had been granted under the 2014 Plan, with 6,256 of those forfeited for termination of employment. As of March 31, 2016, the unamortized balance of liability-classified awards, net of estimated forfeitures, was $1,193.

The Directors' Plan provides that vesting occurs pursuant to the time period specified in the particular award agreement approved for that issuance, which is not less than one year unless vesting is accelerated due to the occurrence of certain events. As of March 31, 2016, 36,189 shares had been granted related to the Directors' Plan. The compensation expense related to awards granted under the Directors' Plan is based on the closing market price of the Company's stock on the day before the award.

As of March 31, 2016, 665,837 shares of unvested Restricted Stock and RSUs were outstanding under the Company’s active and inactive long-term incentive plans.

Randall M. Schrick, the Company's former Vice President of Production and Engineering, retired effective December 31, 2015. In recognition of Mr. Schrick's service, the Company elected to continue the vesting of his shares of Restricted Stock and RSUs on their original vesting schedules, which extend beyond Mr. Schrick's retirement date. The Company determined that Mr. Schrick's change in employment status to a consultant resulted in a modification of his unvested equity awards. Accordingly, recognition of the remaining associated compensation expense was accelerated and fully recognized prior to his retirement date. Mr. Schrick was awarded additional RSUs in February 2016, based on 2015 Company performance, in his capacity as a consultant. Because Mr. Schrick has no substantive service condition associated with his award, the remainder of the associated compensation expense not previously accrued during 2015 of $152 was expensed during the quarter ended March 31, 2016. Associated compensation expense was reflected in Selling, general and administrative expenses on the Condensed Consolidated Statements of Comprehensive Income. Mr. Schrick's unvested awards at March 31, 2016 were 16,500 shares of Restricted Stock and 38,514 RSUs.