v3.26.1
Fair Values of Assets and Liabilities (Tables)
 3 Months Ended
Mar. 31, 2026
Fair Value Disclosures [Abstract]  
Fair Value Inputs, Assets, Quantitative Information
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis
The tables below present the balances of assets and liabilities measured at fair value on a recurring basis:
 March 31, 2026
 Level 1Level 2Level 3Total
 (dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities - Residential$— $2,411 $— $2,411 
Mortgage-Backed Securities - Commercial— 665,341 — 665,341 
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities - Residential— 325,165 — 325,165 
Other Government-Sponsored Enterprises— 991 — 991 
Obligations of States and Political Subdivisions— 6,937 — 6,937 
Corporate Securities— 41,554 — 41,554 
Total Securities Available for Sale— 1,042,399 — 1,042,399 
Loans Held for Sale— 30,489 — 30,489 
Other Assets(a)
— 14,333 — 14,333 
Total Assets$— $1,087,221 $— $1,087,221 
Other Liabilities(a)
$— $13,854 $— $13,854 
Total Liabilities$— $13,854 $— $13,854 
(a)Hedging and non-hedging interest rate derivatives
 December 31, 2025
 Level 1Level 2Level 3Total
 (dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities - Residential$— $2,496 $— $2,496 
Mortgage-Backed Securities - Commercial— 661,689 — 661,689 
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities - Residential— 295,523 — 295,523 
Other Government-Sponsored Enterprises— 984 — 984 
Obligations of States and Political Subdivisions— 6,971 — 6,971 
Corporate Securities— 46,531 — 46,531 
Total Securities Available for Sale— 1,014,194 — 1,014,194 
Loans Held for Sale— 46,071 — 46,071 
Other Assets(a)
— 9,573 — 9,573 
Total Assets$— $1,069,838 $— $1,069,838 
Other Liabilities(a)
$— $10,657 $— $10,657 
Total Liabilities$— $10,657 $— $10,657 
(a)Hedging and non-hedging interest rate derivatives
 [1],[2]
Schedule of Assets Measured on Non-Recurring Basis
The tables below present the balances of assets measured at fair value on a nonrecurring basis at the dates shown below:
 March 31, 2026
 Level 1Level 2Level 3Total
 (dollars in thousands)
Loans held for sale$— $1,149 $— $1,149 
Nonperforming loans— 47,010 30,170 77,180 
Other real estate owned— 235 — 235 
Total Assets$— $48,394 $30,170 $78,564 

 December 31, 2025
 Level 1Level 2Level 3Total
 (dollars in thousands)
Loans held for sale$— $225,381 $— $225,381 
Nonperforming loans— 40,617 41,303 81,920 
Other real estate owned— 1,014 — 1,014 
Total Assets$— $267,012 $41,303 $308,315 
Losses Realized on Assets Measured on Non-Recurring Basis
The following (losses) gains were realized on the assets measured on a nonrecurring basis:
 For the Three Months Ended March 31,
 20262025
 (dollars in thousands)
Loans held for sale$— $— 
Nonperforming loans(9,928)(7,606)
Other real estate owned(73)(38)
Total losses$(10,001)$(7,644)
Carrying Amounts and Fair Values of Financial Instruments
The following table presents carrying amounts and fair values of First Commonwealth’s financial instruments:
 March 31, 2026
  Fair Value Measurements Using:
 Carrying
Amount		TotalLevel 1Level 2Level 3
 (dollars in thousands)
Financial assets
Cash and due from banks$118,134 $118,134 $118,134 $— $— 
Interest-bearing deposits224,806 224,806 224,806 — — 
Securities available for sale1,042,399 1,042,399 — 1,042,399 — 
Securities held to maturity577,286 526,592 — 526,592 — 
Other investments28,946 28,946 — 23,214 5,732 
Loans held for sale31,638 31,638 — 31,638 — 
Loans and leases9,433,825 9,563,777 — 47,010 9,516,767 
Financial liabilities
Deposits10,409,893 10,405,116 — 10,405,116 — 
Short-term borrowings22,858 21,220 — 21,220 — 
Subordinated debt128,507 119,873 — — 119,873 
Long-term debt— — — — — 
Capital lease obligation3,562 3,562 — 3,562 — 
 December 31, 2025
  Fair Value Measurements Using:
 Carrying
Amount		TotalLevel 1Level 2Level 3
 (dollars in thousands)
Financial assets
Cash and due from banks$103,280 $103,280 $103,280 $— $— 
Interest-bearing deposits77,082 77,082 77,082 — — 
Securities available for sale1,014,194 1,014,194 — 1,014,194 — 
Securities held to maturity519,422 470,665 — 470,665 — 
Other investments38,295 38,295 — 32,563 5,732 
Loans held for sale271,452 271,452 — 271,452 — 
Loans and leases9,508,039 9,657,464 — 40,617 9,616,847 
Financial liabilities
Deposits10,250,969 10,248,485 — 10,248,485 — 
Short-term borrowings147,966 147,926 — 147,926 — 
Subordinated debt128,466 121,747 — — 121,747 
Long-term debt129,555 130,108 — 130,108 — 
Capital lease obligation3,721 3,721 — 3,721 — 
[1] Hedging and non-hedging interest rate derivatives
[2] Hedging and non-hedging interest rate derivatives