Debt	12 Months Ended
Dec. 31, 2016
Debt Disclosure [Abstract]
Debt	Debt Debt Agreement On June 26, 2014, the Company entered into a Revolving Credit Loan Agreement (“Loan Agreement”) with SunTrust Bank. The agreement replaced the August 2011 Fifth Amended and Restated Loan Agreement with a previous lender which was to expire on December 31, 2014. The Company had $4.1 million in borrowings under the Loan Agreement at December 31, 2016. On July 29, 2016, Cumberland amended the agreement to extend the original three-year term by an additional year. The initial revolving line of credit is up to $12.0 million, an increase from the $10.0 million under the previous agreement. The Company has the ability to increase the borrowing amount up to $20.0 million, upon the satisfaction of certain conditions. The interest rate on the Loan Agreement is based on LIBOR plus an interest rate spread. There is no LIBOR minimum and the LIBOR pricing provides for an interest rate spread of 1.0% to 2.85% (representing an interest rate of 1.6% at December 31, 2016). In addition, a fee of 0.25% per year is charged on the unused line of credit. Interest expense and the unused line fee are payable quarterly. Borrowings under the line of credit are collateralized by substantially all of the Company's assets. Under the Loan Agreement, Cumberland is subject to certain financial covenants, including, but not limited to, maintaining a Funded Debt Ratio, as such term is defined in the Loan Agreement and determined on a quarterly basis. On July 29, 2016, Cumberland obtained a compliance waiver for a financial covenant as of June 30, 2016. On October 28, 2016, the Company obtained a compliance waiver and amended the agreement to modify a financial covenant, replacing the EBIT to interest ratio covenant with a minimum liquidity requirement. As a result of the covenant waiver and modification in the October 28, 2016 amendment, the Company achieved compliance with all covenants as of September 30, 2016. The Company was in compliance with all covenants at December 31, 2016. The Company incurred no early termination penalties upon termination of the previous Agreement and incurred less than $0.1 million in deferred financing costs related to the Loan Agreement, which will be amortized to interest expense using the effective interest method over the term of the Loan Agreement.

Debt

Debt Agreement

On June 26, 2014, the Company entered into a Revolving Credit Loan Agreement (“Loan Agreement”) with SunTrust Bank. The agreement replaced the August 2011 Fifth Amended and Restated Loan Agreement with a previous lender which was to expire on December 31, 2014. The Company had $4.1 million in borrowings under the Loan Agreement at December 31, 2016. On July 29, 2016, Cumberland amended the agreement to extend the original three-year term by an additional year. The initial revolving line of credit is up to $12.0 million, an increase from the $10.0 million under the previous agreement. The Company has the ability to increase the borrowing amount up to $20.0 million, upon the satisfaction of certain conditions.

The interest rate on the Loan Agreement is based on LIBOR plus an interest rate spread. There is no LIBOR minimum and the LIBOR pricing provides for an interest rate spread of 1.0% to 2.85% (representing an interest rate of 1.6% at December 31, 2016). In addition, a fee of 0.25% per year is charged on the unused line of credit. Interest expense and the unused line fee are payable quarterly. Borrowings under the line of credit are collateralized by substantially all of the Company's assets.

Under the Loan Agreement, Cumberland is subject to certain financial covenants, including, but not limited to, maintaining a Funded Debt Ratio, as such term is defined in the Loan Agreement and determined on a quarterly basis. On July 29, 2016, Cumberland obtained a compliance waiver for a financial covenant as of June 30, 2016. On October 28, 2016, the Company obtained a compliance waiver and amended the agreement to modify a financial covenant, replacing the EBIT to interest ratio covenant with a minimum liquidity requirement. As a result of the covenant waiver and modification in the October 28, 2016 amendment, the Company achieved compliance with all covenants as of September 30, 2016. The Company was in compliance with all covenants at December 31, 2016.

The Company incurred no early termination penalties upon termination of the previous Agreement and incurred less than $0.1 million in deferred financing costs related to the Loan Agreement, which will be amortized to interest expense using the effective interest method over the term of the Loan Agreement.