Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Fair value of Mortgage Loans Held for Sale

The following table presents a summary of mortgage loans held for sale accounted for under the fair value option:

(Dollars in thousands)
December 31,	2023	2022
Aggregate fair value	$20,077	$8,987
Aggregate principal balance	19,480	8,860
Difference between fair value and principal balance	$597	$127

Items Recorded at Fair Value on a Recurring Basis

The following tables present the balances of assets and liabilities reported at fair value on a recurring basis:

(Dollars in thousands)	Total	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
December 31, 2023
Assets:
Available for sale debt securities:
Obligations of U.S. government-sponsored enterprises	$225,742	$—	$225,742	$—
Mortgage-backed securities issued by U.S. government agencies and U.S. government-sponsored enterprises	753,956	—	753,956	—
Individual name issuer trust preferred debt securities	8,793	—	8,793	—
Corporate bonds	11,889	—	11,889	—
Mortgage loans held for sale	20,077	—	20,077	—
Derivative assets	51,966	—	51,966	—
Total assets at fair value on a recurring basis	$1,072,423	$—	$1,072,423	$—
Liabilities:
Derivative liabilities	$52,814	$—	$52,814	$—
Total liabilities at fair value on a recurring basis	$52,814	$—	$52,814	$—

(Dollars in thousands)	Total	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
December 31, 2022
Assets:
Available for sale debt securities:
Obligations of U.S. government-sponsored enterprises	$199,582	$—	$199,582	$—
Mortgage-backed securities issued by U.S. government agencies and U.S. government-sponsored enterprises	774,102	—	774,102	—
Individual name issuer trust preferred debt securities	8,760	—	8,760	—
Corporate bonds	11,484	—	11,484	—
Mortgage loans held for sale	8,987	—	8,987	—
Derivative assets	45,055	—	45,055	—
Total assets at fair value on a recurring basis	$1,047,970	$—	$1,047,970	$—
Liabilities:
Derivative liabilities	$76,008	$—	$76,008	$—
Total liabilities at fair value on a recurring basis	$76,008	$—	$76,008	$—

Items Recorded at Fair Value on a Nonrecurring Basis

The following table presents the carrying value of assets held at December 31, 2023, which were written down to fair value during the twelve months ended December 31, 2023:

(Dollars in thousands)	Total	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Assets:
Collateral dependent individually analyzed loans	$8,050	$—	$—	$8,050
Loan servicing rights	8,512	—	—	8,512
Total assets at fair value on a nonrecurring basis	$16,562	$—	$—	$16,562

Qualitative Information About Level 3 Assets Measured at Fair Value on a Nonrecurring Basis

The following table presents valuation techniques and unobservable inputs for assets measured at fair value on a nonrecurring basis for which the Corporation has utilized Level 3 inputs to determine fair value:

(Dollars in thousands)	Fair Value	Valuation Technique	Unobservable Input	Inputs Utilized
December 31, 2023
Collateral dependent individually analyzed loans	$8,050	Appraisals of collateral	Discount for costs to sell	0%
			Appraisal adjustments	0%
Loan servicing rights	8,512	Discounted Cash Flow	Discount Rate	10% - 14% (10%)
			Prepayment rates	6% - 53% (9%)

Items for which Fair Value is Only Disclosed

The estimated fair values and related carrying amounts for financial instruments for which fair value is only disclosed are presented in the tables below:

(Dollars in thousands)	Carrying Amount	Total  Fair Value	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
December 31, 2023
Financial Assets:
Cash and cash equivalents	$90,184	$90,184	$90,184	$—	$—
Loans, net of allowance for credit losses on loans	5,606,649	5,365,396	—	—	5,365,396
FHLB stock	51,893	51,893	—	51,893	—
Investment in BOLI	103,736	103,736	—	103,736	—
Financial Liabilities:
Non-maturity deposits	$3,559,923	$3,559,923	$—	$3,559,923	$—
Time deposits	1,788,237	1,773,643	—	1,773,643	—
FHLB advances	1,190,000	1,192,262	—	1,192,262	—
Junior subordinated debentures	22,681	19,228	—	19,228	—

(Dollars in thousands)	Carrying Amount	Total  Fair Value	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
December 31, 2022
Financial Assets:
Cash and cash equivalents	$118,422	$118,422	$118,422	$—	$—
Loans, net of allowance for credit losses on loans	5,072,112	4,929,449	—	—	4,929,449
FHLB stock	43,463	43,463	—	43,463	—
Investment in BOLI	102,182	102,182	—	102,182	—
Financial Liabilities:
Non-maturity deposits	$3,896,080	$3,896,080	$—	$3,896,080	$—
Time deposits	1,122,882	1,137,219	—	1,137,219	—
FHLB advances	980,000	978,590	—	978,590	—
Junior subordinated debentures	22,681	18,963	—	18,963	—