Debt	9 Months Ended
Sep. 30, 2018
Debt [Abstract]
Debt	(6) Debt: On August 9, 2018, the Company entered into a credit agreement providing a revolving credit facility with a $40,000 limit, with the option for up to an additional $35,000 in incremental loans at the discretion of the lenders. This credit agreement, which has an expiration date of August 9, 2022, replaced the Company's revolving line of credit that was to expire on September 23, 2018. Interest on this credit facility is referenced to LIBOR and can be fixed for periods of up to one year at the Company's option. Outstanding drawings on this revolving credit facility were $20,000 as of September 30, 2018. At September 30, 2018, the effective interest rate was 3.31%, and the Company had $20,000 remaining under the revolving credit facility as of September 30, 2018. The current outstanding borrowings were used to repay the previous line of credit. The Company's revolving credit facility has two financial covenants, each of which were met as of September 30, 2018, requiring the Company to have a minimum Generally Accepted Accounting Principles ("GAAP") net worth and a maximum consolidated leverage ratio of 0.35 to 1.00.

Debt

9 Months Ended

Sep. 30, 2018

(6) Debt:

On August 9, 2018, the Company entered into a credit agreement providing a revolving credit facility with a $40,000 limit, with the option for up to an additional $35,000 in incremental loans at the discretion of the lenders. This credit agreement, which has an expiration date of August 9, 2022, replaced the Company's revolving line of credit that was to expire on September 23, 2018. Interest on this credit facility is referenced to LIBOR and can be fixed for periods of up to one year at the Company's option. Outstanding drawings on this revolving credit facility were $20,000 as of September 30, 2018. At September 30, 2018, the effective interest rate was 3.31%, and the Company had $20,000 remaining under the revolving credit facility as of September 30, 2018. The current outstanding borrowings were used to repay the previous line of credit. The Company's revolving credit facility has two financial covenants, each of which were met as of September 30, 2018, requiring the Company to have a minimum Generally Accepted Accounting Principles ("GAAP") net worth and a maximum consolidated leverage ratio of 0.35 to 1.00.