Capital Stock	9 Months Ended
Sep. 30, 2018
Capital Stock [Abstract]
Capital Stock	(13) Capital Stock: On June 29, 2018, all outstanding shares of Frontier’s 11.125% Mandatory Convertible Preferred Stock, Series A, par value $0.01 per share (the “Series A Preferred Stock”) converted at a rate of 1.3333 common shares per share of preferred stock into an aggregate of approximately 25,529,000 shares (net of fractional shares) of the Company’s common stock, pursuant to the terms of the Certificate of Designation governing the Series A Preferred Stock. Frontier issued cash in lieu of fractional shares of common stock in the conversion. These payments were recorded as a reduction to Additional paid-in capital. The final dividend was paid on July 2, 2018.

Capital Stock

9 Months Ended

Sep. 30, 2018

(13) Capital Stock:

On June 29, 2018, all outstanding shares of Frontier’s 11.125% Mandatory Convertible Preferred Stock, Series A, par value $0.01 per share (the “Series A Preferred Stock”) converted at a rate of 1.3333 common shares per share of preferred stock into an aggregate of approximately 25,529,000 shares (net of fractional shares) of the Company’s common stock, pursuant to the terms of the Certificate of Designation governing the Series A Preferred Stock. Frontier issued cash in lieu of fractional shares of common stock in the conversion. These payments were recorded as a reduction to Additional paid-in capital. The final dividend was paid on July 2, 2018.