Fair Values of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Fair Values of Financial Instruments [Abstract]

Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis

The following table sets forth the Company’s financial assets and liabilities measured on a recurring basis that were accounted for at fair value. Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement: 

(In thousands)	Level 1		Level 2		Level 3		December 31, 2017
Assets:
AFS securities:
Federal agency	$	-	$	108,899	$	-	$	108,899
State & municipal		-		41,956		-		41,956
Mortgage-backed		-		554,927		-		554,927
Collateralized mortgage obligations		-		535,994		-		535,994
Other securities		5,845		8,304		-		14,149
Total AFS securities	$	5,845	$	1,250,080	$	-	$	1,255,925
Trading securities		11,467		-		-		11,467
Derivatives		-		3,732		-		3,732
Total	$	17,312	$	1,253,812	$	-	$	1,271,124
Liabilities:
Derivatives	$	-	$	324	$	-	$	324
Total	$	-	$	324	$	-	$	324

(In thousands)	Level 1		Level 2		Level 3		December 31, 2016
Assets:
AFS securities:
Federal agency	$	-	$	174,408	$	-	$	174,408
State & municipal		-		46,726		-		46,726
Mortgage-backed		-		529,844		-		529,844
Collateralized mortgage obligations		-		566,573		-		566,573
Other securities		11,493		9,246		-		20,739
Total AFS securities	$	11,493	$	1,326,797	$	-	$	1,338,290
Trading securities		9,259		-		-		9,259
Derivatives		-		3,210		-		3,210
Total	$	20,752	$	1,330,007	$	-	$	1,350,759
Liabilities:
Derivatives	$	-	$	506	$	-	$	506
Total	$	-	$	506	$	-	$	506

Fair Value of Financial Instruments by Balance Sheet Grouping

The following table sets forth information with regard to estimated fair values of financial instruments. This table excludes financial instruments for which the carrying amount approximates fair value. Financial instruments for which the fair value approximates carrying value include cash and cash equivalents, AFS securities, trading securities, accrued interest receivable, non-maturity deposits, short-term borrowings, accrued interest payable and interest rate swaps.

			December 31, 2017				December 31, 2016
(In thousands)	Fair Value Hierarchy		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets:
HTM securities		2	$	484,073	$	481,871	$	527,948	$	525,050
Net loans		3		6,515,273		6,651,931		6,132,857		6,273,233
Financial liabilities:
Time deposits		2	$	806,766	$	801,294	$	872,411	$	868,153
Long-term debt		2		88,869		88,346		104,087		104,113
Junior subordinated debt		2		101,196		104,593		101,196		102,262