v3.26.1
Accumulated Other Comprehensive Income (Loss)
 3 Months Ended
Mar. 31, 2026
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Comprehensive Income (Loss) Note [Text Block] Accumulated Other Comprehensive Income (Loss)
The following table presents the changes in the components of AOCI for the three months ended March 31, 2026 and 2025 (in thousands).
 
Net Unrealized
 Gains (Losses) on
 Available-for-Sale
 Securities (1)
Net Unrealized
Gains (Losses)
 on Cash Flow Hedges		Postretirement
 Benefits		Total
 AOCI
Three Months Ended March 31, 2026
Balance at January 1, 2026$183,147 $20,525 $796 $204,468 
Reclassifications from AOCI to net income
Gains on cash flow hedges included in interest expense— (3,395)— (3,395)
Amortization of net actuarial gains recognized in other income (loss)— — (27)(27)
Other amounts of other comprehensive income (loss)
Net unrealized losses on available-for-sale securities(28)— — (28)
Unrealized gains on cash flow hedges— 4,358 — 4,358 
Actuarial gain— — 36 36 
Total other comprehensive income (loss)(28)963 9 944 
Balance at March 31, 2026$183,119 $21,488 $805 $205,412 
Three Months Ended March 31, 2025
Balance at January 1, 2025$125,305 $52,322 $1,043 $178,670 
Reclassifications from AOCI to net income
Gains on cash flow hedges included in interest expense— (5,732)— (5,732)
Amortization of prior service costs and net actuarial gains recognized in other income (loss)
— — (47)(47)
Other amounts of other comprehensive income (loss)
Net unrealized gains on available-for-sale securities120 — — 120 
Unrealized losses on cash flow hedges— (7,746)— (7,746)
Actuarial loss— — (147)(147)
Total other comprehensive income (loss)120 (13,478)(194)(13,552)
Balance at March 31, 2025$125,425 $38,844 $849 $165,118 
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(1) Net unrealized gains (losses) on available-for-sale securities are net of unrealized gains and losses relating to hedged interest rate risk included in net income.