Long-Term Borrowings	6 Months Ended
	Jun. 30, 2022
Debt Disclosure [Abstract]
Long-Term Borrowings	Long-Term BorrowingsOn March 16, 2022, $65.0 million of senior notes with a fixed rate of 3.60% were repaid upon their maturity.On March 30, 2021, pursuant to a cash tender offer, the Corporation purchased $75.0 million and $60.0 million of its subordinated notes which are scheduled to mature on November 15, 2024 and its senior notes which matured on March 16, 2022, respectively. The Corporation incurred $11.3 million in debt extinguishment costs and expensed $0.8 million of unamortized discount costs. In addition, during the first quarter of 2021, the Corporation prepaid $536.0 million of long-term FHLB advances and incurred $20.9 million in prepayment penalties.