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Goodwill and Other Intangible Assets
 12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets
(a) Goodwill
The Company’s goodwill represents the excess of the purchase price over the fair value of net assets acquired in the following mergers: Premier Commercial Bancorp and Puget Sound Bancorp in 2018; Washington Banking Company in 2014; Valley Community Bancshares in 2013; Western Washington Bancorp in 2006 and North Pacific Bank in 1998. The Company’s goodwill is assigned to the Bank and is evaluated for impairment at the Bank level (reporting unit). There were no additions to goodwill during the years ended December 31, 2022, 2021, and 2020.
At December 31, 2022, the Company’s analysis concluded the fair value of the reporting unit exceeded the carrying value so the Company's goodwill was not considered impaired. Similarly, no goodwill impairment charges were recorded for the years ended December 31, 2021 and 2020. Even though there was no goodwill impairment at December 31, 2022, changes in the economic environment, operations of the reporting unit or other adverse events could result in future impairment charges which could have a material impact on the Company’s operating results.
(b) Other Intangible Assets
Other intangible assets represent core deposit intangible acquired in business combinations with estimated useful lives of ten years. There were no additions during the years ended December 31, 2022, 2021, and 2020 and the estimated aggregate amortization expense related to other intangible assets for future years as of December 31, 2022 is as follows, in thousands:
2023$2,435 
20241,640 
20251,173 
20261,006 
2027821 
Thereafter152 
Total$7,227