Fair Value (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The following table provides the fair value for assets and liabilities required to be measured at fair value on a recurring basis in the Consolidated Statements of Financial Condition by level in the fair value hierarchy.

Recurring Fair Value Measurements

(Dollar amounts in thousands)

	As of December 31, 2015						As of December 31, 2014
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets:
Trading securities:
Money market funds	$	2,530	$	—	$	—	$	1,725	$	—	$	—
Mutual funds	14,364		—		—		15,735		—		—
Total trading securities	16,894		—		—		17,460		—		—
Securities available-for-sale:
U.S. treasury securities	16,980		—		—		—		—		—
U.S. agency securities	—		86,643		—		—		30,431		—
CMOs	—		687,185		—		—		534,156		—
MBSs	—		153,530		—		—		159,765		—
Municipal securities	—		327,570		—		—		423,820		—
CDOs	—		—		31,529		—		—		33,774
Corporate debt securities	—		—		—		—		1,802		—
Equity securities	—		3,199		—		—		3,261		—
Total securities available-for-   sale	16,980		1,258,127		31,529		—		1,153,235		33,774
Mortgage servicing rights (1)	—		—		1,853		—		—		1,728
Derivative assets (1)	—		16,233		—		—		9,018		—
Liabilities:
Derivative liabilities (2)	$	—	$	21,039	$	—	$	—	$	11,980	$	—

⁽¹⁾  Included in other assets in the Consolidated Statements of Financial Condition.

⁽²⁾  Included in other liabilities in the Consolidated Statements of Financial Condition.

Unobservable Inputs Used In The Valuation Of CDOs

The following table presents ranges of significant, unobservable inputs calculated using the weighted average of the Issuers used by the Company as of December 31, 2015 and 2014.

Significant Unobservable Inputs Used in the Valuation of CDOs

	As of December 31,
	2015				2014
Probability of prepayment	1.8	%	-	15.1%	2.9	%	-	15.2%
Probability of default	19.1	%	-	32.6%	18.4	%	-	57.7%
Loss given default	93.8	%	-	97.1%	83.8	%	-	97.0%
Probability of deferral cure	15.2	%	-	63.1%	6.7	%	-	75.0%

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

A rollforward of the carrying value of CDOs for the three years ended December 31, 2015 is presented in the following table.

Rollforward of Carrying Value of CDOs

(Dollar amounts in thousands)

	Years Ended December 31,
	2015			2014			2013
Beginning balance	$	33,774		$	18,309		$	12,129
Additions	—			6,549			—
Change in other comprehensive (loss) income (1)	(2,030		)	13,495			6,180
Paydowns and sales (2)	(215		)	(4,579		)	—
Ending balance	$	31,529		$	33,774		$	18,309

⁽¹⁾  Included in unrealized holding (losses) gains in the Consolidated Statements of Comprehensive Income.

⁽²⁾  During the year ended December 31, 2014, one CDO with a carrying value of $1.3 million and four CDOs totaling $2.9 million, which were acquired in the Great Lakes transaction, were sold. In addition, one CDO with a carrying value of zero was sold during the year ended December 31, 2013.

Fair Value Inputs Mortgage Servicing Assets Quantitative Information

A rollforward of the carrying value of mortgage servicing rights for the three years ended December 31, 2015 is presented in the following table.

Carrying Value of Mortgage Servicing Rights

(Dollar amounts in thousands)

	Years Ended December 31,
	2015			2014			2013
Beginning balance	$	1,728		$	1,893		$	985
New mortgage servicing rights	342			315			1,060
Total (losses) gains included in earnings (1):
Changes in valuation inputs and assumptions	(11		)	(480		)	63
Other changes in fair value (2)	(206		)	—			(215		)
Ending balance	$	1,853		$	1,728		$	1,893
Contractual servicing fees earned during the year (1)	$	546		$	520		$	418
Total amount of loans being serviced for the benefit of   others at the end of the year	242,915			220,372			214,458

⁽¹⁾  Included in mortgage banking income in the Consolidated Statements of Income and relate to assets still held at the end of the year.

⁽²⁾  Primarily represents changes in expected future cash flows over time due to payoffs and paydowns.

Fair Value Assets Measured On Annual Basis

The fair value of Pension Plan assets is presented in the following table by level in the fair value hierarchy.

Annual Fair Value Measurements for Pension Plan Assets

(Dollar amounts in thousands)

	As of December 31, 2015						As of December 31, 2014
	Level 1		Level 2		Total		Level 1		Level 2		Total
Pension plan assets:
Mutual funds (1)	$	23,061	$	—	$	23,061	$	25,499	$	—	$	25,499
U.S. government and government   agency securities	6,866		5,538		12,404		7,879		8,063		15,942
Corporate bonds	—		9,569		9,569		—		6,599		6,599
Common stocks	11,330		—		11,330		14,149		—		14,149
Common trust funds	—		8,539		8,539		—		10,004		10,004
Total pension plan assets	$	41,257	$	23,646	$	64,903	$	47,527	$	24,666	$	72,193

⁽¹⁾  Includes mutual funds, money market funds, cash, cash equivalents, and accrued interest.

Fair Value Measurements, Nonrecurring

The following table provides the fair value for each class of assets and liabilities required to be measured at fair value on a non-recurring basis in the Consolidated Statements of Financial Condition by level in the fair value hierarchy.

Non-Recurring Fair Value Measurements

(Dollar amounts in thousands)

	As of December 31, 2015						As of December 31, 2014
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Collateral-dependent impaired loans (1)	$	—	$	—	$	10,519	$	—	$	—	$	23,799
OREO (2)	—		—		8,581		—		—		22,760
Loans held-for-sale (3)	—		—		14,444		—		—		9,459
Assets held-for-sale (4)	—		—		7,428		—		—		2,026

⁽¹⁾  Includes impaired loans with charge-offs and impaired loans with a specific reserve during the periods presented.

⁽²⁾  Includes OREO and covered OREO with fair value adjustments subsequent to initial transfer that occurred during the periods presented.

⁽³⁾  Included in other assets in the Consolidated Statements of Financial Condition.

⁽⁴⁾  Included in premises, furniture, and equipment in the Consolidated Statements of Financial Condition.

Fair Value, by Balance Sheet Grouping

For certain financial instruments that are not required to be measured at fair value in the Consolidated Statements of Financial Condition, the Company must disclose the estimated fair values and the level within the fair value hierarchy as shown in the following table.

Fair Value Measurements of Other Financial Instruments

(Dollar amounts in thousands)

		As of December 31, 2015				As of December 31, 2014
	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and due from banks	1	$	114,587	$	114,587	$	117,315	$	117,315
Interest-bearing deposits in other banks	2	266,615		266,615		488,947		488,947
Securities held-to-maturity	2	23,152		20,054		26,555		27,670
FHLB and FRB stock	2	39,306		39,306		37,558		37,558
Loans	3	7,091,988		6,959,024		6,672,611		6,536,248
Investment in BOLI	3	209,601		209,601		206,498		206,498
Accrued interest receivable	3	27,847		27,847		27,506		27,506
Other interest-earning assets	3	1,982		1,982		3,799		3,799
Liabilities:
Deposits	2	$	8,097,738	$	8,093,640	$	7,887,758	$	7,879,413
Borrowed funds	2	165,096		165,096		137,994		137,994
Senior and subordinated debt	1	201,208		205,726		200,869		209,035
Accrued interest payable	2	2,175		2,175		2,324		2,324