Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of differences between the fair value carrying amount of mortgages held for sale measured at fair value and the aggregate unpaid principal amount

The following table shows the differences between fair value carrying amount of mortgages held for sale measured at fair value and the aggregate unpaid principal amount the Company is contractually entitled to receive at maturity on December 31, 2017 and 2016.



(Dollars in thousands)	Fair value carrying amount		Aggregate unpaid principal		Excess of fair value carrying amount over (under) unpaid principal
December 31, 2017
Mortgages held for sale reported at fair value:
Total Loans	$	13,123	$	12,967	$	156	(1)
December 31, 2016
Mortgages held for sale reported at fair value:
Total Loans	$	15,849	$	15,809	$	40	(1)

(1) The excess of fair value carrying amount over (under) unpaid principal is included in mortgage banking income and includes changes in fair value at and subsequent to funding and gains and losses on the related loan commitment prior to funding.

Schedule of assets and liabilities measured at fair value on a recurring basis

The following table shows the balance of assets and liabilities measured at fair value on a recurring basis.



(Dollars in thousands)	Level 1		Level 2		Level 3		Total
December 31, 2017
Assets:
Investment securities available-for-sale:
U.S. Treasury and Federal agencies securities	$	27,971	$	440,148	$	—	$	468,119
U.S. States and political subdivisions securities	—		113,845		2,155		116,000
Mortgage-backed securities - Federal agencies	—		287,910		—		287,910
Corporate debt securities	—		31,294		—		31,294
Foreign government and other securities	—		—		710		710
Total investment securities available-for-sale	27,971		873,197		2,865		904,033
Mortgages held for sale	—		13,123		—		13,123
Accrued income and other assets (interest rate swap agreements)	—		5,167		—		5,167
Total	$	27,971	$	891,487	$	2,865	$	922,323

Liabilities:
Accrued expenses and other liabilities (interest rate swap agreements)	$	—	$	5,262	$	—	$	5,262
Total	$	—	$	5,262	$	—	$	5,262

December 31, 2016
Assets:
Investment securities available-for-sale:
U.S. Treasury and Federal agencies securities	$	20,164	$	400,669	$	—	$	420,833
U.S. States and political subdivisions securities	—		130,276		2,699		132,975
Mortgage-backed securities - Federal agencies	—		252,574		—		252,574
Corporate debt securities	—		35,076		—		35,076
Foreign government and other securities	—		—		807		807
Total debt securities	20,164		818,595		3,506		842,265
Marketable equity securities	8,202		—		—		8,202
Total investment securities available-for-sale	28,366		818,595		3,506		850,467
Mortgages held for sale	—		15,849		—		15,849
Accrued income and other assets (interest rate swap agreements)	—		6,621		—		6,621
Total	$	28,366	$	841,065	$	3,506	$	872,937

Liabilities:
Accrued expenses and other liabilities (interest rate swap agreements)	$	—	$	6,743	$	—	$	6,743
Total	$	—	$	6,743	$	—	$	6,743

Schedule of changes in Level 3 assets and liabilities measured at fair value on a recurring basis

The following table shows the changes in Level 3 assets and liabilities measured at fair value on a recurring basis.



(Dollars in thousands)	U.S. States and political subdivisions securities			Foreign government and other securities			Investment securities available-for-sale
Beginning balance January 1, 2017	$	2,699		$	807		$	3,506
Total gains or losses (realized/unrealized):
Included in earnings	—			—			—
Included in other comprehensive income	31			3			34
Purchases	1,437			500			1,937
Issuances	—			—			—
Sales	—			—			—
Settlements	—			—			—
Maturities	(2,012		)	(600		)	(2,612		)
Transfers into Level 3	—			—			—
Transfers out of Level 3	—			—			—
Ending balance December 31, 2017	$	2,155		$	710		$	2,865

Beginning balance January 1, 2016	$	4,528		$	809		$	5,337
Total gains or losses (realized/unrealized):
Included in earnings	—			—			—
Included in other comprehensive income	(24		)	(2		)	(26		)
Purchases	1,100			—			1,100
Issuances	—			—			—
Sales	—			—			—
Settlements	—			—			—
Maturities	(2,905		)	—			(2,905		)
Transfers into Level 3	—			—			—
Transfers out of Level 3	—			—			—
Ending balance December 31, 2016	$	2,699		$	807		$	3,506

Schedule of carrying value of assets measured at fair value on a non-recurring basis

The following table shows the carrying value of assets measured at fair value on a non-recurring basis.



(Dollars in thousands)	Level 1		Level 2		Level 3		Total
December 31, 2017
Impaired loans - collateral based	$	—	$	—	$	7,994	$	7,994
Accrued income and other assets (partnership investments)	—		—		1,000		1,000
Accrued income and other assets (mortgage servicing rights)	—		—		4,349		4,349
Accrued income and other assets (repossessions)	—		—		10,114		10,114
Accrued income and other assets (other real estate)	—		—		1,312		1,312
Total	$	—	$	—	$	24,769	$	24,769

December 31, 2016
Impaired loans - collateral based	$	—	$	—	$	6,280	$	6,280
Accrued income and other assets (partnership investments)	—		—		1,032		1,032
Accrued income and other assets (mortgage servicing rights)	—		—		4,297		4,297
Accrued income and other assets (repossessions)	—		—		9,373		9,373
Accrued income and other assets (other real estate)	—		—		704		704
Total	$	—	$	—	$	21,686	$	21,686

Schedule of fair values of financial instruments

The following table shows the fair values of the Company’s financial instruments.



(Dollars in thousands)	Carrying or Contract Value		Fair Value		Level 1		Level 2		Level 3
December 31, 2017
Assets:
Cash and due from banks	$	73,635	$	73,635	$	73,635	$	—	$	—
Federal funds sold and interest bearing deposits with other banks	4,398		4,398		4,398		—		—
Investment securities, available-for-sale	904,033		904,033		27,971		873,197		2,865
Other investments	25,953		25,953		25,953		—		—
Mortgages held for sale	13,123		13,123		—		13,123		—
Loans and leases, net of reserve for loan and lease losses	4,432,795		4,428,848		—		—		4,428,848
Mortgage servicing rights	4,349		7,187		—		—		7,187
Interest rate swaps	5,167		5,167		—		5,167		—
Liabilities:
Deposits	$	4,752,730	$	4,745,111	$	3,482,757	$	1,262,354	$	—
Short-term borrowings	214,595		214,595		206,862		7,733		—
Long-term debt and mandatorily redeemable securities	70,060		67,857		—		67,857		—
Subordinated notes	58,764		57,103		—		57,103		—
Interest rate swaps	5,262		5,262		—		5,262		—
Off-balance-sheet instruments *	—		286		—		286		—

December 31, 2016
Assets:
Cash and due from banks	$	58,578	$	58,578	$	58,578	$	—	$	—
Federal funds sold and interest bearing deposits with other banks	49,726		49,726		49,726		—		—
Investment securities, available-for-sale	850,467		850,467		28,366		818,595		3,506
Other investments and trading account securities	22,458		22,458		22,458		—		—
Mortgages held for sale	15,849		15,849		—		15,849		—
Loans and leases, net of reserve for loan and lease losses	4,099,528		4,107,079		—		—		4,107,079
Mortgage servicing rights	4,297		7,484		—		—		7,484
Interest rate swaps	6,621		6,621		—		6,621		—
Liabilities:
Deposits	$	4,333,760	$	4,332,744	$	3,277,108	$	1,055,636	$	—
Short-term borrowings	291,943		291,943		163,652		128,291		—
Long-term debt and mandatorily redeemable securities	74,308		73,149		—		73,149		—
Subordinated notes	58,764		51,031		—		51,031		—
Interest rate swaps	6,743		6,743		—		6,743		—
Off-balance-sheet instruments *	—		382		—		382		—

* Represents estimated cash outflows required to currently settle the obligations at current market rates.

Recurring

Fair value measurements

Schedule of valuation methodology and unobservable inputs for Level 3 assets and liabilities measured at fair value on a recurring and non-recurring basis

The following table shows the valuation methodology and unobservable inputs for Level 3 assets and liabilities measured at fair value on a recurring basis.



(Dollars in thousands)	Fair value		Valuation Methodology	Unobservable Inputs	Range of Inputs
December 31, 2017
Investment securities available-for-sale
Direct placement municipal securities	$	2,155	Discounted cash flows	Credit spread assumption	2.21% - 2.93%

Foreign government	$	710	Discounted cash flows	Market yield assumption	0.35% - 1.23%


December 31, 2016
Investment securities available-for-sale
Direct placement municipal securities	$	2,699	Discounted cash flows	Credit spread assumption	0.92% - 3.17%

Foreign government	$	807	Discounted cash flows	Market yield assumption	0.28% - 1.12%

Non-recurring

Fair value measurements

Schedule of valuation methodology and unobservable inputs for Level 3 assets and liabilities measured at fair value on a recurring and non-recurring basis

The following table shows the valuation methodology and unobservable inputs for Level 3 assets and liabilities measured at fair value on a non-recurring basis.



(Dollars in thousands)	Carrying Value		Fair value		Valuation Methodology	Unobservable Inputs	Range of Inputs
December 31, 2017
Impaired loans	$	7,994	$	7,994	Collateral based measurements including appraisals, trade publications, and auction values	Discount for lack of marketability and current conditions	3% - 20%

Mortgage servicing rights	4,349		7,187		Discounted cash flows	Constant prepayment rate (CPR)	8.6% - 20.7%
						Discount rate	9.6% - 12.5%

Repossessions	10,114		10,493		Appraisals, trade publications and auction values	Discount for lack of marketability	3% - 10%

Other real estate	1,312		1,441		Appraisals	Discount for lack of marketability	7% - 9%

December 31, 2016
Impaired loans	$	6,280	$	6,280	Collateral based measurements including appraisals, trade publications, and auction values	Discount for lack of marketability and current conditions	0% - 100%

Mortgage servicing rights	4,297		7,484		Discounted cash flows	Constant prepayment rate (CPR)	8.6% - 15.0%
						Discount rate	9.6% - 12.5%

Repossessions	9,373		9,452		Appraisals, trade publications and auction values	Discount for lack of marketability	0% - 4%

Other real estate	704		752		Appraisals	Discount for lack of marketability	0% - 16%

- Definition

Tabular disclosure of the application of the fair value option for measurement and reporting of eligible financial assets and liabilities (as defined), as well as certain other eligible items (as defined) included in the statement of financial position, whether such option is elected for a single eligible item or a group of similar eligible items and is in addition to other disclosures concerning fair value which the company may be required to provide. Such disclosure might be expected to include: (1) for items included in the statement of financial position: (a) for each line item in the statement of financial position that includes an item or items for which the fair value option has been elected, provide the aggregate carrying amount of ineligible items included in each line item in the balance sheet, if any; (b) the difference between the aggregate fair value and the aggregate unpaid principal balance (assuming contractual principal amounts and fair value option elected) of: (i) loans and long-term receivables (other than securities otherwise reported at fair value) and (ii) long-term debt instruments; (c) for loans held as assets for which the fair value option has been elected: (i) the aggregate fair value of loans that are 90 days or more past due, (ii) if the policy is to recognize interest income separately from other changes in fair value, the aggregate fair value of loans in nonaccrual status, and (iii) the difference between the aggregate fair value and the aggregate unpaid principal balance for loans that are 90 days or more past due, in nonaccrual status, or both; (2) for items included in the income statement: (a) the amounts of gains and losses from fair value changes included in earnings and in which line in the income statement those gains and losses are reported whether or not combined with gains and losses from items required to be accounted for at fair value; (b) for loans and other receivables held as assets, the estimated amount of gains or losses included in earnings attributable to changes in instrument-specific credit risk; (c) for liabilities with fair values that have been significantly affected during the reporting period by changes in the instrument-specific credit risk, the estimated amount of gains and losses from fair value changes included in earnings that are attributable to changes in the instrument-specific credit risk; and (3) certain other disclosures as required or determined to be provided.

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