Chief Justice John Roberts on Wednesday thanked the Senate for helping him carry out his duties as the presiding officer in President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE's impeachment trial.

Roberts described his role as one with “ill-defined responsibilities in an unfamiliar setting” in remarks shortly after the chamber voted to acquit Trump on two impeachment charges for abuse of power and obstruction of Congress.

Roberts said he hoped to see the senators again “under happier circumstances,” and invited them to the Supreme Court.

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“As I depart the chamber, I do so with an invitation to visit the court,” he said. “By long tradition and in memory of the 135 years we sat in this building, we keep the front row of the gallery in our courtroom open for members of Congress who might want to drop by to see an argument, or escape one.”

Roberts, who is constitutionally obligated to preside over the Senate impeachment trial of a president, played a mostly ceremonial role since his Jan. 16 swearing-in.

His performance earned him bipartisan applause in the chamber on Wednesday, as well as a golden gavel, which was also bestowed upon Roberts’s late mentor Chief Justice William Rehnquist after presiding over the impeachment trial of President Clinton.

“I think we can agree that the chief justice put in his due, and then some,” Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellSenate Republicans signal openness to working with Biden Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll The Hill's Campaign Report: Biden asks if public can trust vaccine from Trump ahead of Election Day | Oklahoma health officials raised red flags before Trump rally MORE (R-Ky.) said, before a congressional page walked to the well of the Senate to deliver the gavel to Roberts.

In his role as presiding officer, Roberts strove to avoid being drawn the partisan fights that marked the trial.

He avoided casting a tie-breaking vote on the crucial issue of whether to allow witnesses, which was voted down by a razor-thin majority. He also declined to read aloud a question from Sen. Rand Paul Randal (Rand) Howard PaulGOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill Overnight Health Care: Senate Democrats block GOP relief bill | Democrats reveal Medicaid chief's spending on high-paid consultants | Trump calls question about why he 'lied' about COVID-19 a 'disgrace' MORE (R-Ky.) that would have outed a whistleblower who helped set in motion the impeachment.

Roberts also expressed gratitude for the “unfailing patience” of the Senate parliamentarian, whom he could be seen conferring with throughout the trial.