Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2021

Assets Measured at Fair Value on a Recurring Basis


	Recurring Fair Value Measurements at Reporting Date
	September 30, 2021						December 31, 2020
(Dollars in thousands)	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3

Assets:
Available-for-sale investment securities:
Obligations of:

U.S. government sponsored agencies	$	—	$	78,481	$	—	$	—	$	5,363	$	—
States and political subdivisions	—		252,919		—		—		114,919		—
Residential mortgage-backed securities	—		898,459		—		—		623,218		—
Commercial mortgage-backed securities	—		62,552		—		—		4,783		—
Bank-issued trust preferred securities	—		4,679		—		—		4,730		—

Total available-for-sale securities	—		1,297,090		—		—		753,013		—
Equity investment securities (a)	145		245		—		107		192		—
Derivative assets (b)	—		15,653		—		—		27,332		—
Liabilities:
Derivative liabilities (c)	$	—	$	22,904	$	—	$	—	$	39,395	$	—

(a) Included in "Other investment securities" on the Unaudited Consolidated Balance Sheets. For additional information, see "Note 3 Investment Securities" of the Notes to the Unaudited Condensed Consolidated Financial Statements.

(b) Included in "Other assets" on the Unaudited Consolidated Balance Sheets. For additional information, see "Note 10 Derivative Financial Instruments" of the Notes to the Unaudited Condensed Consolidated Financial Statements.

(c) Included in "Accrued expenses and other liabilities" on the Unaudited Consolidated Balance Sheets. For additional information, see "Note 10 Derivative Financial Instruments" of the Notes to the Unaudited Condensed Consolidated Financial Statements.

Fair Value Measurements, Nonrecurring [Table Text Block]

The following table provides the fair value for each class of assets and liabilities required to be measured and reported at fair value on a non-recurring basis on the Unaudited Consolidated Balance Sheets by level in the fair value hierarchy during the nine months ended September 30, 2021 and December 31, 2020.


	Non-Recurring Fair Value Measurements at Reporting Date
	September 30, 2021						December 31, 2020
(Dollars in thousands)	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3

Assets:
Loans held for sale	$	—	$	2,751	$	—	$	—	$	4,733	$	—
Other real estate owned ("OREO")	$	—	$	—	$	11,268	$	—	$	—	$	134
Servicing rights (a)(b)	$	—	$	—	$	2,294	$	—	$	—	$	2,591

Fair Values of Financial Assets and Liabilities on Balance Sheets


	Fair Value Measurements of Other Financial Instruments
(Dollars in thousands)	Fair Value Hierarchy Level	September 30, 2021				December 31, 2020
		Carrying Amount		Fair Value		Carrying Amount		Fair Value

Assets:
Cash and cash equivalents	1	$	499,682	$	499,682	$	152,100	$	152,100




Held-to-maturity investment securities:
Obligations of:
U.S. government sponsored agencies	2	29,995		29,147		—		—
States and political subdivisions	2	124,181		122,435		35,139		35,484
Residential mortgage-backed securities	2	41,035		41,501		25,890		26,742
Commercial mortgage-backed securities	2	47,889		46,917		5,429		5,856
Total held-to-maturity securities		243,100		240,000		66,458		68,082


Other investment securities:
Other investment securities at cost:
Federal Home Loan Bank ("FHLB") stock	n/a	17,918		17,918		21,718		21,718
Federal Reserve Bank ("FRB") stock	n/a	13,311		13,311		13,311		13,311
Total other investment securities at cost		31,229		31,229		35,029		35,029
Other investment securities at fair value:
Nonqualified deferred compensation (a)	2	2,083		2,083		1,867		1,867
Other investment securities (b)	2	784		784		365		365
Total other investment securities at fair value		2,867		2,867		2,232		2,232
Total other investment securities (b)		34,096		34,096		37,261		37,261
Loans and leases, net of deferred fees and costs	3	4,491,028		4,595,800		3,402,940		3,458,732
Bank owned life insurance	3	72,920		72,920		71,591		71,591
Liabilities:
Deposits	2	$	5,832,020	$	5,546,935	$	3,910,459	$	3,773,602
Short-term borrowings	2	184,693		186,028		73,261		74,170
Long-term borrowings	2	99,411		106,497		110,568		117,364