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Borrowings and Subordinated Debentures - Subordinated Debentures (Details)
$ in Thousands, € in Millions

3 Months Ended

Mar. 31, 2025

USD ($)

Rate

Mar. 31, 2025

EUR (€)

Dec. 31, 2024

USD ($)

Subordinated Borrowing [Line Items]

Subordinated Debentures, Gross

$ 1,013,514

$ 1,012,187

Subordinated debt

$ 944,908

$ 941,923

Rate

4.96%

4.96%

5.06%

Debt Issuance Costs, Gross

$ (3,700)

Trust Preferred Securities Two Thousand Six Series Three

Subordinated Borrowing [Line Items]

Denomination value | €

€ 25.8

Subordinated notes due May 2031

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

2.52%

Euribor Rate | Trust Preferred Securities Two Thousand Six Series Three

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

2.05%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Subordinated Debt Trust V Due September 2033

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

3.10%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Subordinated Debt Trust VI Due September 2033

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

3.05%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Subordinated Debt Trust CII Due September 2033

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

2.95%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Subordinated Debt Trust VII Due April 2034

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

2.75%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Subordinated Debt Trust CIII Due September 2035

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.69%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Subordinated Debt Trust FCCI Due March 2037

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.60%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Subordinated Debt Trust FCBI Due December 2035

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.55%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Trust Preferred Securities Two Thousand Five Series One

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.95%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Trust Preferred Securities Two Thousand Five Series Two

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.95%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Two Thousand Six Two Term Debt Securitization

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.95%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Trust Preferred Securities Two Thousand Six Series Five

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.95%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Two Thousand Seven One Term Debt Securitization

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.95%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | PMB Statutory Trust III

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

3.40%

Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | PMB CapitalTrust III

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

2.00%

Prime | Two Thousand Six One Term Debt Securitization

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.95%

Prime | Trust Preferred Securities Two Thousand Six Series Four

Subordinated Borrowing [Line Items]

Rate Index (Quarterly Reset)

1.95%

Subordinated Debentures

Subordinated Borrowing [Line Items]

Unamortized discount

^[1]

$ (68,606)

$ (70,264)

Rate

5.33%

^[2]

5.33%

^[2]

5.48%

Subordinated Debentures | Subordinated Debt Trust V Due September 2033

Subordinated Borrowing [Line Items]

Balance

$ 10,310

$ 10,310

Rate

7.66%

^[2]

7.66%

^[2]

7.71%

Subordinated Debentures | Subordinated Debt Trust VI Due September 2033

Subordinated Borrowing [Line Items]

Balance

$ 10,310

$ 10,310

Rate

7.61%

^[2]

7.61%

^[2]

7.67%

Subordinated Debentures | Subordinated Debt Trust CII Due September 2033

Subordinated Borrowing [Line Items]

Balance

$ 5,155

$ 5,155

Rate

7.51%

^[2]

7.51%

^[2]

7.56%

Subordinated Debentures | Subordinated Debt Trust VII Due April 2034

Subordinated Borrowing [Line Items]

Balance

$ 61,856

$ 61,856

Rate

7.30%

^[2]

7.30%

^[2]

7.60%

Subordinated Debentures | Subordinated Debt Trust CIII Due September 2035

Subordinated Borrowing [Line Items]

Balance

$ 20,619

$ 20,619

Rate

6.25%

^[2]

6.25%

^[2]

6.31%

Subordinated Debentures | Subordinated Debt Trust FCCI Due March 2037

Subordinated Borrowing [Line Items]

Balance

$ 16,495

$ 16,495

Rate

6.16%

^[2]

6.16%

^[2]

6.22%

Subordinated Debentures | Subordinated Debt Trust FCBI Due December 2035

Subordinated Borrowing [Line Items]

Balance

$ 10,310

$ 10,310

Rate

6.11%

^[2]

6.11%

^[2]

6.17%

Subordinated Debentures | Trust Preferred Securities Two Thousand Five Series One

Subordinated Borrowing [Line Items]

Balance

$ 82,475

$ 82,475

Rate

6.51%

^[2]

6.51%

^[2]

6.57%

Subordinated Debentures | Trust Preferred Securities Two Thousand Five Series Two

Subordinated Borrowing [Line Items]

Balance

$ 128,866

$ 128,866

Rate

6.50%

^[2]

6.50%

^[2]

6.80%

Subordinated Debentures | Two Thousand Six One Term Debt Securitization

Subordinated Borrowing [Line Items]

Balance

$ 51,545

$ 51,545

Rate

9.45%

^[2]

9.45%

^[2]

9.95%

Subordinated Debentures | Two Thousand Six Two Term Debt Securitization

Subordinated Borrowing [Line Items]

Balance

$ 51,550

$ 51,550

Rate

6.50%

^[2]

6.50%

^[2]

6.80%

Subordinated Debentures | Trust Preferred Securities Two Thousand Six Series Three

Subordinated Borrowing [Line Items]

Balance

^[3]

$ 27,878

$ 26,687

Rate

4.67%

^[2]

4.67%

^[2]

5.10%

Subordinated Debentures | Trust Preferred Securities Two Thousand Six Series Four

Subordinated Borrowing [Line Items]

Balance

$ 16,470

$ 16,470

Rate

9.45%

^[2]

9.45%

^[2]

9.95%

Subordinated Debentures | Trust Preferred Securities Two Thousand Six Series Five

Subordinated Borrowing [Line Items]

Balance

$ 6,650

$ 6,650

Rate

6.50%

^[2]

6.50%

^[2]

6.80%

Subordinated Debentures | Two Thousand Seven One Term Debt Securitization

Subordinated Borrowing [Line Items]

Balance

$ 39,177

$ 39,177

Rate

6.50%

^[2]

6.50%

^[2]

6.80%

Subordinated Debentures | Subordinated notes due May 2031

Subordinated Borrowing [Line Items]

Balance

^[5]

$ 381,321

^[4]

$ 381,185

Rate

^[5]

3.25%

^[2]

3.25%

^[2]

3.25%

Subordinated Debentures | Subordinated Notes Due October 30, 2030

Subordinated Borrowing [Line Items]

Balance

$ 75,000

$ 75,000

Rate

4.375%

4.375%

4.375%

Rate Index (Quarterly Reset) | Rate

4.195%

Subordinated Debentures | PMB Statutory Trust III

Subordinated Borrowing [Line Items]

Balance

$ 7,217

$ 7,217

Rate

7.96%

7.96%

7.99%

Subordinated Debentures | PMB CapitalTrust III

Subordinated Borrowing [Line Items]

Balance

$ 10,310

$ 10,310

Rate

6.55%

6.55%

6.89%

[1]	Amount represents the fair value adjustment on subordinated debt assumed in acquisitions. (6)    Interest rate is fixed until October 30, 2025, when it changes to a floating rate equal to 3-month Term SOFR, plus a spread of 419.5 basis points.
[2]	Rates do not include the effects of discounts and issuance costs.
[3]	Denomination is in Euros with a value of €25.8 million.
[4]	Net of unamortized issuance costs of $3.7 million.
[5]	Subordinated notes, net, issued at the Bank level rather than the holding company level.

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