Derivative Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Interest Rate Derivatives

Cash Flow Hedges

(Dollar amounts in thousands)

	As of December 31,
	2016			2015
Gross notional amount outstanding	$	1,470,000		$	1,220,000
Derivative asset fair value	5,402			4,787
Derivative liability fair value	(7,390		)	(8,950		)
Weighted-average interest rate received	1.37		%	1.24		%
Weighted-average interest rate paid	1.11		%	0.75		%
Weighted-average maturity (in years)	2.83			3.91

Fair Value Hedges

(Dollar amounts in thousands)

	As of December 31,
	2016			2015
Gross notional amount outstanding	$	5,958		$	11,620
Derivative liability fair value	(282		)	(643		)
Weighted-average interest rate received	2.63		%	2.25		%
Weighted-average interest rate paid	5.96		%	6.36		%
Weighted-average maturity (in years)	1.84			1.97
Fair value of derivative (1)	$	296		$	665

⁽¹⁾  This amount represents the fair value if credit risk related contingent features were triggered.

Schedule of Derivative Instruments

Other Derivative Instruments

(Dollar amounts in thousands)

	As of December 31,
	2016			2015
Gross notional amount outstanding	$	1,656,612		$	853,385
Derivative asset fair value	13,478			11,446
Derivative liability fair value	(13,478		)	(11,446		)
Fair value of derivative (1)	13,753			11,939

⁽¹⁾  This amount represents the fair value if credit risk related contingent factors were triggered.

Offsetting Assets

The following table presents the fair value of the Company's derivatives and offsetting positions as of December 31, 2016 and 2015.

Fair Value of Offsetting Derivatives

(Dollar amounts in thousands)

	As of December 31,
	2016						2015
	Assets			Liabilities			Assets			Liabilities
Gross amounts recognized	$	18,880		$	21,150		$	16,233		$	21,039
Less: amounts offset in the Consolidated Statements of   Financial Condition	—			—			—			—
Net amount presented in the Consolidated Statements of   Financial Condition (1)	18,880			21,150			16,233			21,039
Gross amounts not offset in the Consolidated Statements of   Financial Condition:
Offsetting derivative positions	(10,889		)	(10,889		)	(4,791		)	(4,791		)
Cash collateral pledged	—			(10,261		)	—			(16,248		)
Net credit exposure	$	7,991		$	—		$	11,442		$	—

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

Offsetting Liabilities

The following table presents the fair value of the Company's derivatives and offsetting positions as of December 31, 2016 and 2015.

Fair Value of Offsetting Derivatives

(Dollar amounts in thousands)

	As of December 31,
	2016						2015
	Assets			Liabilities			Assets			Liabilities
Gross amounts recognized	$	18,880		$	21,150		$	16,233		$	21,039
Less: amounts offset in the Consolidated Statements of   Financial Condition	—			—			—			—
Net amount presented in the Consolidated Statements of   Financial Condition (1)	18,880			21,150			16,233			21,039
Gross amounts not offset in the Consolidated Statements of   Financial Condition:
Offsetting derivative positions	(10,889		)	(10,889		)	(4,791		)	(4,791		)
Cash collateral pledged	—			(10,261		)	—			(16,248		)
Net credit exposure	$	7,991		$	—		$	11,442		$	—

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