Securities - Narrative (Details)	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2022 USD ($) security	Jun. 30, 2023 USD ($) security	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) security	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) security
Investments, Debt and Equity Securities [Abstract]
Number of securities | security	793
Aggregate fair value of securities	$ 120,900,000
Loss from net unrealized holdings, net of tax	$ 814,000	$ 4,768,000	$ 39,116,000	$ (9,840,000)	$ 103,402,000
Number of securities in unrealized loss positions | security		2,655		2,655		2,828
Unrealized loss positions		$ 2,517,468,000		$ 2,517,468,000		$ 2,599,464,000
Percentage of portfolio				97.80%		97.00%
Allowance for credit losses for available for sale debt securities		0		$ 0		$ 0
Accrued interest receivable on available for sale debt securities		$ 16,700,000		$ 16,700,000		$ 17,800,000