Goodwill and Other Intangible Assets - Carrying Amounts of Goodwill by Operating Segments (Details) $ in Thousands	6 Months Ended
Jun. 30, 2026 USD ($)
Goodwill [Roll Forward]
Balance at January 1, 2026	$ 1,405,840
Acquisition of factoring business	10,871
Other	827
Balance at June 30, 2026	1,417,538
Community Banks
Goodwill [Roll Forward]
Balance at January 1, 2026	1,405,840
Acquisition of factoring business	10,871
Other	827
Balance at June 30, 2026	$ 1,417,538

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details