CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Dec. 31, 2022	May 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Held to maturity, fair value	$ 596,780,000	$ 343,700,000	$ 329,500,000	$ 0
Preferred stock, par value (in dollars per share)	$ 0			$ 0
Preferred stock, authorized (in shares)	1,000,000			1,000,000
Preferred stock, issued (in shares)	0			0
Preferred stock, outstanding (in shares)	0			0
Common stock, par value (in dollars per share)	$ 0			$ 0
Common stock, authorized (in shares)	185,000,000			185,000,000
Common stock, issued (in shares)	27,025,070			27,714,071
Common stock, outstanding (in shares)	27,025,070			27,714,071