Federal Home Loan Bank and Federal Reserve Bank Borrowings (Tables) - Federal Home Loan Bank Advances [Member]

12 Months Ended

Dec. 31, 2022

Debt Instrument [Line Items]

Schedule of Maturities of Long-term Debt

At December 31, 2022, FHLB advances were scheduled to mature as follows:

	Federal Home Loan Bank Advances Fixed rate advances
	Weighted Average Rate		Amount
	(dollars in thousands)
Within 1 year	4.42	%	$	949,000
Due after 10 years	5.37	%	5,000
Total			954,000
Valuation adjustment from acquisition accounting			315
Total			$	954,315

Debt Instrument Activity For Year

The maximum, average outstanding and year end balances and average interest rates on advances from the FHLB were as follows for the years ended December 31, 2022, 2021 and 2020:

	Years ended December 31,
	2022			2021			2020
	(dollars in thousands)
Balance at end of period	$	954,315		$	7,359		$	7,414
Average balance during period	$	112,012		$	7,388		$	341,643
Maximum month end balance during period	$	954,315		$	7,409		$	1,005,464
Weighted average rate during period	4.23		%	4.94		%	1.82		%
Weighted average rate at December 31	4.43		%	4.94		%	4.94		%