The Company maintains a 401(k) retirement plan covering substantially all employees and permits participants to defer eligible compensation up to the maximum allowable amount determined by the IRS. 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, 2019. Additionally, an annual profit sharing contribution may be made, which vests over a three year period. Costs for Company contributions to the plan totaled $3.5 million, $3.9 million, and $4.1 million for the years ended December 31, 2019, 2018, and 2017, respectively.

The Company maintains a NQDCP, which allows select employees and directors to defer part or all of their cash bonus, director fees, and vested 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 following table reflects the balances of the assets and deferred compensation liabilities of the Rabbi trust and related participant account obligations in the accompanying Consolidated Balance Sheets, excluding Regency stock:

	Year ended December 31,
(in thousands)	2019		2018		Location in Consolidated Balance Sheets
Assets:
Securities	$	36,849		31,351	Other assets
Liabilities:
Deferred compensation obligation	$	36,755		31,166	Accounts payable and other liabilities

Realized and unrealized gains and losses on securities held in the NQDCP are recognized within Net investment income in the accompanying Consolidated Statements of Operations. Changes in participant obligations, which is based on changes in the value of their investment elections, is recognized within General and administrative expenses 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.