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Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill And Other Intangible Assets [Abstract]

Summary of the gross carrying amount and accumulated amortization of amortizable intangible assets and the carrying amount of unamortized intangible assets

		June 30, 2015						December 31, 2014						June 30, 2014
($ in thousands)		Gross Carrying Amount			Accumulated Amortization			Gross Carrying Amount			Accumulated Amortization			Gross Carrying Amount			Accumulated Amortization
Amortizable intangible assets:
Customer lists		$	678			528			678			505			678			484
Core deposit premiums			8,560			7,013			8,560			6,675			8,560			6,308
Total		$	9,238			7,541			9,238			7,180			9,238			6,792

Unamortizable intangible assets:
Goodwill		$	65,835						65,835						65,835

Schedule of the estimated amortization expense for the five succeeding fiscal years

($ in thousands)		Estimated Amortization Expense
July 1 to December 31, 2015		$	361
2016			654
2017			404
2018			129
2019			122
Thereafter			27
Total		$	1,697