Non-Qualified Deferred Compensation Plan	12 Months Ended
Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]
Saving and Retirement Plans	Saving and Retirement Plans 401(k) Retirement Plan The Company maintains a 401(k) retirement plan covering substantially all employees, which permits participants to defer up to the maximum allowable amount determined by the IRS of their eligible compensation. This deferred compensation, together with Company matching contributions equal to 100% of employee deferrals up to a maximum of $5,000 of their eligible compensation, is fully vested and funded as of December 31, 2014. Additionally, an annual profit sharing contribution is made, which vests over a three year period. Costs related to the matching portion of the plan were $1.5 million, $1.5 million and $1.4 million for the years ended December 31, 2014, 2013, and 2012, respectively. Costs related to the profit sharing contribution were $1.3 million, $1.2 million, and $1.1 million for the years ended December 31, 2014, 2013, and 2012, respectively. Non-Qualified Deferred Compensation Plan The Company maintains a non-qualified deferred compensation plan (“NQDCP”), which allows select employees and directors to defer part or all of their cash bonus, director fees, and restricted stock awards. All contributions into the participants' accounts are fully vested upon contribution to the NQDCP and are deposited in a Rabbi trust. The assets of the Rabbi trust, exclusive of the shares of the Company's common stock, are classified as trading securities on the accompanying Consolidated Balance Sheets, and accordingly, realized and unrealized gains and losses are recognized within income from deferred compensation plan in the accompanying Consolidated Statements of Operations. The participants' deferred compensation liability, exclusive of the shares of the Company's common stock, is included within accounts payable and other liabilities in the accompanying Consolidated Balance Sheets and was $27.6 million and $26.1 million as of December 31, 2014 and 2013, respectively. Increases or decreases in the deferred compensation liability, exclusive of amounts attributable to participant investments in the shares of the Company's common stock, are recorded as general and administrative expense within the accompanying Consolidated Statements of Operations. Investments in shares of the Company's common stock are included, at cost, as treasury stock in the accompanying Consolidated Balance Sheets of the Parent Company and as a reduction of general partner capital in the accompanying Consolidated Balance Sheets of the Operating Partnership. The participant's deferred compensation liability attributable to the participants' investments in shares of the Company's common stock are included, at cost, within additional paid in capital in the accompanying Consolidated Balance Sheets of the Parent Company and as a reduction of general partner capital in the accompanying Consolidated Balance Sheets of the Operating Partnership. Changes in participant account balances related to the Regency common stock fund are recorded directly within stockholders' equity.

Saving and Retirement Plans

401(k) Retirement Plan

The Company maintains a 401(k) retirement plan covering substantially all employees, which permits participants to defer up to the maximum allowable amount determined by the IRS of their eligible compensation. This deferred compensation, together with Company matching contributions equal to 100% of employee deferrals up to a maximum of $5,000 of their eligible compensation, is fully vested and funded as of December 31, 2014. Additionally, an annual profit sharing contribution is made, which vests over a three year period. Costs related to the matching portion of the plan were $1.5 million, $1.5 million and $1.4 million for the years ended December 31, 2014, 2013, and 2012, respectively. Costs related to the profit sharing contribution were $1.3 million, $1.2 million, and $1.1 million for the years ended December 31, 2014, 2013, and 2012, respectively.

Non-Qualified Deferred Compensation Plan

The Company maintains a non-qualified deferred compensation plan (“NQDCP”), which allows select employees and directors to defer part or all of their cash bonus, director fees, and restricted stock awards. All contributions into the participants' accounts are fully vested upon contribution to the NQDCP and are deposited in a Rabbi trust.

The assets of the Rabbi trust, exclusive of the shares of the Company's common stock, are classified as trading securities on the accompanying Consolidated Balance Sheets, and accordingly, realized and unrealized gains and losses are recognized within income from deferred compensation plan in the accompanying Consolidated Statements of Operations. The participants' deferred compensation liability, exclusive of the shares of the Company's common stock, is included within accounts payable and other liabilities in the accompanying Consolidated Balance Sheets and was $27.6 million and $26.1 million as of December 31, 2014 and 2013, respectively. Increases or decreases in the deferred compensation liability, exclusive of amounts attributable to participant investments in the shares of the Company's common stock, are recorded as general and administrative expense within the accompanying Consolidated Statements of Operations.

Investments in shares of the Company's common stock are included, at cost, as treasury stock in the accompanying Consolidated Balance Sheets of the Parent Company and as a reduction of general partner capital in the accompanying Consolidated Balance Sheets of the Operating Partnership. The participant's deferred compensation liability attributable to the participants' investments in shares of the Company's common stock are included, at cost, within additional paid in capital in the accompanying Consolidated Balance Sheets of the Parent Company and as a reduction of general partner capital in the accompanying Consolidated Balance Sheets of the Operating Partnership. Changes in participant account balances related to the Regency common stock fund are recorded directly within stockholders' equity.