Pennsylvania Democrat Sen. Bob Casey on Thursday announced he has conceded the race to Republican candidate Dave McCormick, putting an end to a lengthy automatic recount in the Keystone State more than two weeks after Election Day. 

Casey said in a statement that he called McCormick to congratulate him. McCormick's campaign also independently confirmed the news to Fox News Digital. 

"I just called Dave McCormick to congratulate him on his election to represent Pennsylvania in the United States Senate," Casey said in the statement. "As the first count of ballots is completed, Pennsylvanians can move forward with the knowledge that their voices were heard, whether their vote was the first to be counted or the last."

"This race was one of the closest in our Commonwealth’s history, decided by less than a quarter of a point. I am grateful to the thousands of people who worked to make sure every eligible vote cast could be counted, including election officials in all 67 counties."

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The news comes after McCormick edged out Casey by just 17,000 votes to win the Senate seat, according to the most recent unofficial data from the Department of State – putting Casey well within the 0.5% margin of error required under Pennsylvania law to trigger an automatic recount. 

That recount began Monday and was slated to end Nov. 26.

The Republican Party blasted Democrats this week for Casey's refusal to concede the U.S. Senate race in Pennsylvania, taking aim at the three-term incumbent for moving ahead with a costly recount effort, despite their assessment that Casey lacked any achievable path to victory.

They have also criticized the cost, noting that the recount will cost taxpayers an estimated $1 million. 

In his statement Thursday, Casey praised the democratic process and voters who turned out in the Keystone State.

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"When a Pennsylvanian takes the time to cast a legal vote, often waiting in long lines and taking time away from their work and family, they deserve to know that their vote will count," Casey said. "That’s democracy."