Subsequent Events (Details) $ / shares in Units, shares in Thousands		2 Months Ended	12 Months Ended
	Feb. 22, 2023 $ / shares	Feb. 24, 2023 USD ($) shares	Dec. 31, 2022 USD ($) office branch $ / shares	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 $ / shares
Subsequent Event [Line Items]
Assets			$ 24,008,884,000	$ 20,946,771,000
Loans			15,334,627,000	11,760,346,000
Deposits			$ 19,876,507,000	$ 18,241,179,000
Cash dividend declared per common share (in dollars per share) | $ / shares			$ 0.86	$ 0.78	$ 0.72
Progress
Subsequent Event [Line Items]
Number of banking offices | branch			13
Assets			$ 1,760,000,000
Loans			1,480,000,000
Deposits			$ 1,340,000,000
First Miami
Subsequent Event [Line Items]
Number of banking offices | office			3
Assets			$ 1,000,000,000
Loans			594,000,000
Deposits			867,000,000
Assets under administration			$ 312,000,000
Subsequent event | Common Stock
Subsequent Event [Line Items]
Dividend date declared	Feb. 22, 2023
Cash dividend declared per common share (in dollars per share) | $ / shares	$ 0.23
Dividend payable date	Apr. 05, 2023
Dividend date of record	Mar. 15, 2023
Subsequent event | Series I perpetual non-cumulative preferred stock
Subsequent Event [Line Items]
Dividend date declared	Feb. 22, 2023
Preferred stock dividend per preferred share (in dollars per share) | $ / shares	$ 429.6875
Dividend payable date	Mar. 15, 2023
Dividend date of record	Feb. 28, 2023
Subsequent event | Depositary share on Series I perpetual non-cumulative preferred stock
Subsequent Event [Line Items]
Preferred stock dividend per preferred share (in dollars per share) | $ / shares	$ 0.4296875
Subsequent event | Progress
Subsequent Event [Line Items]
Total fair value of consideration transferred		$ 307,000,000
Common stock issued		$ 296,000,000
Shares issued in acquisition (in shares) | shares		8,770
Cash		$ 447,000
Options converted		$ 10,000,000