Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Measurement [Abstract]

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

Fair value at June 30, 2012	Total		Level 1		Level 2		Level 3
Securities available-for-sale:
Obligations of U.S. government corporations and agencies	$	191,013		—	$	191,013		—
Obligations of states and political subdivisions		9,953		—		9,953		—
Corporate debt securities		1,883		—		1,883		—
Mortgage servicing rights		4,757		—		—	$	4,757
Total assets measured at fair value	$	207,606		—	$	202,849	$	4,757
Fair value at December 31, 2011	Total		Level 1		Level 2		Level 3
Securities available-for-sale:
Obligations of U.S. government corporations and agencies	$	217,384		—	$	217,384		—
Obligations of states and political subdivisions		10,028		—		10,028		—
Corporate debt securities		1,811		—		1,811		—
Mortgage servicing rights		4,603		—		—	$	4,603
Total assets measured at fair value	$	233,826		—	$	229,223	$	4,603

Reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis

Three months ended June 30,	Beginning Balance		Transfers into Level 3		Change Included in Earnings			Issuances		Ending Balance
2012: Mortgage servicing rights	$	4,784		—	$	(464	)	$	437	$	4,757
2011: Mortgage servicing rights	$	4,808		—	$	(162	)	$	172	$	4,818

Six months ended June,	Beginning Balance		Transfers into Level 3		Change Included in Earnings			Issuances		Ending Balance
2012: Mortgage servicing rights	$	4,603		—	$	(833	)	$	987	$	4,757
2011: Mortgage servicing rights	$	4,605		—	$	(222	)	$	435	$	4,818

Assets and liabilities measured at fair value on a nonrecurring basis

June 30, 2012	Total		Level 1		Level 2		Level 3
Fair value:
Impaired loans	$	15,020		—		—	$	15,020
Noncovered foreclosed assets		10,146		—		—		10,146
Covered foreclosed assets		2,597		—		—		2,597
Total assets measured at fair value	$	27,763		—		—	$	27,763

June 30, 2011	Total		Level 1		Level 2		Level 3
Fair value:
Impaired loans	$	37,189		—		—	$	37,189
Noncovered foreclosed assets		5,864		—		—		5,864
Covered foreclosed assets		3,473		—		—		3,473
Total assets measured at fair value	$	46,526		—		—	$	46,526

Losses resulting from nonrecurring fair value adjustments that occurred in the periods indicated

	Three months ended June 30,				Six months ended June 30,
(in thousands)	2012		2011		2012		2011
Impaired Originated loans	$	2,987	$	5,551	$	4,456	$	7,676
Non-covered foreclosed assets		543		425		626		493
Covered foreclosed assets		461		213		461		594
Total loss from nonrecurring fair value adjustments	$	3,991	$	6,189	$	5,543	$	8,763

The estimated fair values of financial instruments that are reported at amortized cost in consolidated balance sheets

	June 30, 2012				December 31, 2011
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
Level 1 inputs:
Cash and due from banks	$	67,617	$	67,617	$	73,652	$	73,652
Cash at Federal Reserve and other banks		576,485		576,485		563,623		563,623
Level 2 inputs:
Restricted equity securities		9,990		9,990		10,610		10,610
Loans held for sale		5,321		5,321		10,219		10,219
Level 3 inputs:
Loans, net		1,506,633		1,577,269		1,505,118		1,579,084
Indemnification asset		4,046		4,046		4,405		4,405
Financial liabilities:
Level 2 inputs:
Deposits		2,165,777		2,168,014		2,190,536		2,193,170
Other borrowings		60,831		61,200		72,541		74,027
Junior subordinated debt		41,238		26,805		41,238		25,980
	Contract Amount		Fair Value		Contract Amount		Fair Value
Off-balance sheet:
Level 3 inputs:
Commitments	$	535,748	$	5,357	$	529,046	$	5,290
Standby letters of credit		1,368		14		5,324		53
Overdraft privilege commitments		67,985		680		61,623		616