Borrowings	12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]
Borrowings	Note 12 Borrowings Credit Facility On October 10, 2014, the Company, as borrower, and certain of its subsidiaries, as guarantors, entered into a $150,000 5-year revolving, unsecured credit facility (the “Prior Credit Agreement”). The Prior Credit Agreement comprised a revolving loan facility that provided for advances in the initial aggregate principal amount of up to $150,000 (the “Prior Credit Facility”). The Prior Credit Agreement was guaranteed by certain of the Company’s material domestic subsidiaries. The Prior Credit Facility contained customary covenants, some of which required the Company to maintain certain financial ratios that determined the amounts available and terms of borrowings and events of default. The Company was in compliance with all covenants at both December 31, 2018 and December 31, 2017. There was $25,000 outstanding balance under the Prior Credit Facility as of December 31, 2018, which was due on March 1, 2019. There was no outstanding balance as of December 31, 2017. The Prior Credit Agreement was terminated on February 27, 2019. On February 27, 2019, the Company, as borrower, and certain of its subsidiaries, as guarantors, entered into a 5-year $100,000 senior secured term loan facility (the “Term Facility”) and a 5-year $100,000 senior secured revolving credit facility (the “Revolving Facility” and, together with the Term Facility, the “Senior Credit Facility”) which replaced the Prior Credit Agreement. The proceeds of the Senior Credit Facility were used to refinance the existing indebtedness under the Prior Credit Agreement and will be used to support working capital and for general corporate purposes. Subject to certain terms and conditions contained in the Revolving Facility, the Company has the right to request up to four increases to the amount of the Revolving Facility in an aggregate amount not to exceed $100,000. The Senior Credit Facility is scheduled to mature on February 26, 2024, at which time all amounts outstanding thereunder will be due and payable. However, the maturity date of the Revolving Facility may be extended at the election of the Company with the consent of the lenders subject to the terms set forth in the Senior Credit Facility. Pursuant to the Senior Credit Facility, the guarantors guarantee, among other things, all of the obligations of the Company and each other guarantor under the Senior Credit Facility. From time to time, the Company may be required to cause additional domestic subsidiaries to become guarantors under the Senior Credit Facility. The payment of dividends on the Company’s common stock is restricted under provisions of the Senior Credit Facility, which limits the amount of cash dividends that the Company may pay in any one fiscal year to $30,000. The Company currently does not pay, and has not paid, any dividends on its common stock, and currently intends to retain any future earnings for use in its business. Interest Income and Expense Interest income totaled $789, $784 and $807 for the years ended December 31, 2018, 2017 and 2016, respectively. Interest expense totaled $1,188, $919 and $1,282 for the years ended December 31, 2018, 2017 and 2016, respectively.

Note 12 Borrowings

Credit Facility

On October 10, 2014, the Company, as borrower, and certain of its subsidiaries, as guarantors, entered into a $150,000 5-year revolving, unsecured credit facility (the “Prior Credit Agreement”). The Prior Credit Agreement comprised a revolving loan facility that provided for advances in the initial aggregate principal amount of up to $150,000 (the “Prior Credit Facility”).

The Prior Credit Agreement was guaranteed by certain of the Company’s material domestic subsidiaries.

The Prior Credit Facility contained customary covenants, some of which required the Company to maintain certain financial ratios that determined the amounts available and terms of borrowings and events of default. The Company was in compliance with all covenants at both December 31, 2018 and December 31, 2017.

There was $25,000 outstanding balance under the Prior Credit Facility as of December 31, 2018, which was due on March 1, 2019. There was no outstanding balance as of December 31, 2017. The Prior Credit Agreement was terminated on February 27, 2019.

On February 27, 2019, the Company, as borrower, and certain of its subsidiaries, as guarantors, entered into a 5-year $100,000 senior secured term loan facility (the “Term Facility”) and a 5-year $100,000 senior secured revolving credit facility (the “Revolving Facility” and, together with the Term Facility, the “Senior Credit Facility”) which replaced the Prior Credit Agreement. The proceeds of the Senior Credit Facility were used to refinance the existing indebtedness under the Prior Credit Agreement and will be used to support working capital and for general corporate purposes. Subject to certain terms and conditions contained in the Revolving Facility, the Company has the right to request up to four increases to the amount of the Revolving Facility in an aggregate amount not to exceed $100,000. The Senior Credit Facility is scheduled to mature on February 26, 2024, at which time all amounts outstanding thereunder will be due and payable. However, the maturity date of the Revolving Facility may be extended at the election of the Company with the consent of the lenders subject to the terms set forth in the Senior Credit Facility.

Pursuant to the Senior Credit Facility, the guarantors guarantee, among other things, all of the obligations of the Company and each other guarantor under the Senior Credit Facility. From time to time, the Company may be required to cause additional domestic subsidiaries to become guarantors under the Senior Credit Facility.

The payment of dividends on the Company’s common stock is restricted under provisions of the Senior Credit Facility, which limits the amount of cash dividends that the Company may pay in any one fiscal year to $30,000. The Company currently does not pay, and has not paid, any dividends on its common stock, and currently intends to retain any future earnings for use in its business.

Interest Income and Expense

Interest income totaled $789, $784 and $807 for the years ended December 31, 2018, 2017 and 2016, respectively.

Interest expense totaled $1,188, $919 and $1,282 for the years ended December 31, 2018, 2017 and 2016, respectively.