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Employee Benefit Plans | 12 Months Ended
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Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract] |
Employee Benefit Plans | Employee Benefit Plans 401(k) Plan The Company maintains defined contribution and profit sharing plans in conformity with the provisions of section 401(k) of the Internal Revenue Code. The Columbia Bank 401(k) and Profit Sharing Plan (the “401(k) Plan”), permits eligible Columbia Bank employees, those who are at least 18 years of age and have completed six months of service, to contribute up to 75% of their eligible compensation to the 401(k) Plan. On a per pay period basis the Company is required to match 50% of employee contributions up to 3% of each employee’s eligible compensation. Additionally, as determined annually by the Board of Directors of the Company, the 401(k) Plan provides for a non-matching discretionary profit sharing contribution. The Company contributed $1.9 million during 2013, $1.4 million during 2012, and $1.2 million during 2011, in matching funds to the 401(k) Plan. The Company’s discretionary profit sharing contributions were $4.0 million during 2013, $2.9 million during 2012 and $2.6 million during 2011. Employee Stock Purchase Plan The Company maintains an “Employee Stock Purchase Plan” (the “ESP Plan”) in which substantially all employees of the Company are eligible to participate. The ESP Plan provides participants the opportunity to purchase common stock of the Company at a discounted price. Under the ESP Plan, participants can purchase common stock of the Company for 90% of the lowest price on either the first or last day in each of two six month look-back periods. The look-back periods are January 1st through June 30th and July 1st through December 31st of each calendar year. The 10% discount is recognized by the Company as compensation expense and does not have a material impact on net income or earnings per common share. Participants of the ESP Plan purchased 32,598 shares for $686 thousand in 2013, 39,393 shares for $725 thousand in 2012 and 39,989 shares for $690 thousand in 2011. At December 31, 2013 there were 575,912 shares available for purchase under the ESP plan. Supplemental Compensation Plan The Company maintains supplemental compensation arrangements (“Unit Plans”) to provide benefits for certain employees. The Unit Plans generally vest over a 4-10 year period and provide a fixed annual benefit over a 5-10 year period. At December 31, 2013 and 2012 the liability associated with these plans was $4.7 million and $4.7 million, respectively. Expense associated with these plans for the years ended December 31, 2013, 2012 and 2011 was $458 thousand, $677 thousand and $655 thousand, respectively. Supplemental Executive Retirement Plan The Company maintains a supplemental executive retirement plan (the “SERP”), a nonqualified deferred compensation plan that provides retirement benefits to certain highly compensated executives. The SERP is unsecured and unfunded and there are no program assets. The SERP projected benefit obligation, which represents the vested net present value of future payments to individuals under the plan is accrued over the estimated remaining term of employment of the participants and has been determined by actuarial valuation using the “RP-2000 Annuity Mortality Table” for the mortality assumptions and discount rate of 5.10% for both 2013 and 2012. Additional assumptions and features of the plan are a normal retirement age of 65 and a 2% annual cost of living benefit adjustment. The projected benefit obligation is included in other liabilities on the Consolidated Balance Sheets. The following table reconciles the accumulated liability for the projected benefit obligation:
|  | December 31,
2013 |  | 2012
|  | (in thousands)
Balance at beginning of year |  | $ | 11,616 |  |  | $ | 11,237 |
Established through acquisitions |  | 3,398 |  |  | — |
Change in actuarial loss |  | 2,212 |  |  | (80 | )
Benefit expense |  | 1,880 |  |  | 1,017 |
Benefit payments |  | (2,683 | ) |  | (558 | )
Balance at end of year |  | $ | 16,423 |  |  | $ | 11,616 |
The benefits expected to be paid in conjunction with the SERP are presented in the following table:
Years Ending December 31, |  | (in thousands)
2014 |  | $ | 1,702 |
2015 |  | 975 |
2016 |  | 994 |
2017 |  | 1,088 |
2018 |  | 1,355 |
2019 through 2023 |  | 8,852 |
Total |  | $ | 14,966 |

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