v3.25.2
Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2025
Fair Value Measurements [Abstract]  
Summary Of Assets And Liabilities Measured At Fair Value On A Recurring Basis
The table below presents the June 30, 2025 and December 31, 2024 carrying values of assets and liabilities measured at fair value on a recurring basis. There were no transfers among levels during the first six months of 2025 or the year ended December 31, 2024.

Fair Value Measurements Using
(In thousands)Total Fair ValueQuoted Prices in Active Markets for Identical Assets
(Level 1)
Significant Other Observable Inputs
(Level 2)
Significant Unobservable Inputs
(Level 3)
June 30, 2025
Assets:
  Residential mortgage loans held for sale$3,488 $ $3,488 $ 
  Available for sale debt securities:
     U.S. government and federal agency obligations2,597,737 2,597,737   
     Government-sponsored enterprise obligations44,148  44,148  
     State and municipal obligations714,958  714,008 950 
     Agency mortgage-backed securities3,356,039  3,356,039  
     Non-agency mortgage-backed securities499,996  499,996  
     Asset-backed securities1,496,323  1,496,323  
     Other debt securities206,578  206,578  
  Trading debt securities46,630 12,941 33,689  
  Equity securities45,098 45,098   
  Private equity investments174,070   174,070 
  Derivatives *74,222  73,882 340 
  Assets held in trust for deferred compensation plan22,456 22,456   
  Total assets9,281,743 2,678,232 6,428,151 175,360 
Liabilities:
  Derivatives *
23,277  23,150 127 
Liabilities held in trust for deferred compensation plan
22,456 22,456   
  Total liabilities$45,733 $22,456 $23,150 $127 
December 31, 2024
Assets:
  Residential mortgage loans held for sale$2,981 $— $2,981 $— 
  Available for sale debt securities:
     U.S. government and federal agency obligations2,555,252 2,555,252 — — 
     Government-sponsored enterprise obligations42,849 — 42,849 — 
     State and municipal obligations742,891 — 741,927 964 
     Agency mortgage-backed securities3,444,891 — 3,444,891 — 
     Non-agency mortgage-backed securities568,689 — 568,689 — 
     Asset-backed securities1,557,015 — 1,557,015 — 
     Other debt securities225,266 — 225,266 — 
  Trading debt securities38,034 10,219 27,815 — 
  Equity securities48,359 48,359 — — 
  Private equity investments184,386 — — 184,386 
  Derivatives *62,648 — 62,555 93 
  Assets held in trust for deferred compensation plan21,849 21,849 — — 
  Total assets9,495,110 2,635,679 6,673,988 185,443 
Liabilities:
  Derivatives *
26,963 — 26,905 58 
Liabilities held in trust for deferred compensation plan
21,849 21,849 — — 
  Total liabilities$48,812 $21,849 $26,905 $58 
* The fair value of each class of derivative is shown in Note 11.
Summary Of Changes In Level 3 Assets And Liabilities Measured At Fair Value On A Recurring Basis
The changes in the Company's Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows:

Fair Value Measurements Using
Significant Unobservable Inputs
(Level 3)


(In thousands)
State and Municipal Obligations
Private Equity
Investments
Total
For the three months ended June 30, 2025
Balance March 31, 2025
$947 $175,618 $176,565 
Total gains (losses) realized/unrealized:
Included in earnings 4,414 4,414 
Included in other comprehensive income *2  2 
Discount accretion1  1 
Purchases of private equity investments 728 728 
Sale/pay down of private equity investments (6,707)(6,707)
Capitalized interest/dividends 17 17 
Balance June 30, 2025$950 $174,070 $175,020 
Total gains (losses) for the three months included in earnings attributable to the change in unrealized gains or losses relating to assets still held at June 30, 2025
$ $4,414 $4,414 
*Total gains (losses) for the three months included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets still held at June 30, 2025
$2 $ $2 
For the six months ended June 30, 2025
Balance January 1, 2025
$964 $184,386 $185,350 
Total gains (losses) realized/unrealized:
Included in earnings (4,111)(4,111)
Included in other comprehensive income *(16) (16)
Discount accretion2  2 
Purchases of private equity investments 6,426 6,426 
Sale/pay down of private equity investments (12,665)(12,665)
Capitalized interest/dividends 34 34 
Balance June 30, 2025$950 $174,070 $175,020 
Total gains (losses) for the six months included in earnings attributable to the change in unrealized gains or losses relating to assets still held at June 30, 2025
$ $(3,312)$(3,312)
*Total gains (losses) for the six months included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets still held at June 30, 2025
$(16)$ $(16)
Fair Value Measurements Using
Significant Unobservable Inputs
(Level 3)


(In thousands)
State and Municipal Obligations
Private Equity
Investments
Total
For the three months ended June 30, 2024
Balance March 31, 2024
$956 $183,706 $184,662 
Total gains (losses) realized/unrealized:
Included in earnings— 5,677 5,677 
Included in other comprehensive income *(4)— (4)
Discount accretion— 
Purchases of private equity investments— 1,470 1,470 
Sale/pay down of private equity investments— (12,564)(12,564)
Capitalized interest/dividends— 32 32 
Balance at June 30, 2024$953 $178,321 $179,274 
Total gains (losses) for the three months included in earnings attributable to the change in unrealized gains or losses relating to assets still held at June 30, 2024
$— $5,677 $5,677 
*Total gains (losses) for the three months included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets still held at June 30, 2024
$(4)$— $(4)
For the six months ended June 30, 2024
Balance January 1, 2024
$947 $176,667 $177,614 
Total gains (losses) realized/unrealized:
Included in earnings— 12,777 12,777 
Included in other comprehensive income *— 
Discount accretion— 
Purchases of private equity investments— 10,947 10,947 
Sale/pay down of private equity investments— (21,964)(21,964)
Capitalized interest/dividends— (106)(106)
Balance at June 30, 2024$953 $178,321 $179,274 
Total gains (losses) for the six months included in earnings attributable to the change in unrealized gains or losses relating to assets still held at June 30, 2024
$— $11,002 $11,002 
*Total gains (losses) for the six months included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets still held at June 30, 2024
$$— $
* Included in "net unrealized gains (losses) on available for sale debt securities" in the consolidated statements of comprehensive income.
Summary Of Gains And Losses On Level 3 Assets And Liabilities
Gains and losses included in earnings for the Company's Level 3 assets and liabilities in the previous table are reported in the following line items in the consolidated statements of income:

(In thousands)Investment Securities Gains (Losses), Net
For the three months ended June 30, 2025
Total gains or losses included in earnings$4,414 
Change in unrealized gains or losses relating to assets still held at June 30, 2025
$4,414 
For the six months ended June 30, 2025
Total gains or losses included in earnings $(4,111)
Change in unrealized gains or losses relating to assets still held at June 30, 2025
$(3,312)
For the three months ended June 30, 2024
Total gains or losses included in earnings $5,677 
Change in unrealized gains or losses relating to assets still held at June 30, 2024
$5,677 
For the six months ended June 30, 2024
Total gains or losses included in earnings$12,777 
Change in unrealized gains or losses relating to assets still held at June 30, 2024
$11,002 
Summary Of Quantitative Information About Level 3 Fair Value Measurements
The Company's Level 3 measurements at June 30, 2025, which employ unobservable inputs that are readily quantifiable, pertain to investments in portfolio concerns held by the Company's private equity subsidiaries. Information about these inputs is presented in the table below.

Quantitative Information about Level 3 Fair Value MeasurementsWeighted
Valuation TechniqueUnobservable InputRangeAverage*
Private equity investmentsMarket comparable companiesEBITDA multiple3.8-6.05.0
* Unobservable inputs were weighted by the relative fair value of the instruments.
Schedule Of Fair Value Disclosures Measured On Nonrecurring Basis [Table Text Block]
For assets measured at fair value on a nonrecurring basis during the first six months of 2025 and 2024, and still held as of June 30, 2025 and 2024, the following table provides the adjustments to fair value recognized during the respective periods, the level of valuation inputs used to determine each adjustment, and the carrying value of the related individual assets or portfolios at June 30, 2025 and 2024.

Fair Value Measurements Using
(In thousands)

Fair Value
Quoted Prices in Active Markets for Identical Assets
(Level 1)
Significant Other Observable Inputs
(Level 2)
Significant Unobservable Inputs
(Level 3)
Total Gains (Losses) Recognized During the Six Months Ended June 30
June 30, 2025
Collateral dependent loans$251 $ $ $251 $(147)
June 30, 2024
Collateral dependent loans$15,081 $— $— $15,081 $(2,850)
Equity securities58,376 — 57,185 1,191 58,241