Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash paid during the period for:
Interest	$ 58,713	$ 32,000	$ 59,967
Income taxes	50,499	55,754	36,536
Significant non-cash investing and financing transactions:
Transfers of AFS securities to HTM securities	1,288,982	0	0
Acquisitions:
Assets acquired	3,254,173	848,806	2,174,723
Liabilities assumed	2,657,173	695,420	1,987,026
Net assets acquired	597,000	153,386	187,697
Value of common stock issued	596,376	95,525	163,589
Other non-cash consideration	795	9,178	0
Common Stock
Acquisitions:
Value of common stock issued	$ 595,581	$ 94,046	$ 163,589