ALLL and Loans Receivable Summary (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Allowance for Loan and Lease Losses and Loans Receivable
Individually evaluated for impairment	$ 10,324	$ 11,597
Collectively evaluated for impairment	119,532	118,156
Total allowances for loan and lease losses	129,856	129,753
Individually evaluated for impairment	162,546	161,366
Collectively evaluated for impairment	4,525,123	4,326,729
Total loans receivable	4,687,669	4,488,095
Residential Real Estate
Allowance for Loan and Lease Losses and Loans Receivable
Individually evaluated for impairment	1,262	853
Collectively evaluated for impairment	13,869	13,827
Total allowances for loan and lease losses	15,131	14,680
Individually evaluated for impairment	19,014	19,576
Collectively evaluated for impairment	618,451	591,887
Total loans receivable	637,465	611,463
Commercial Real Estate
Allowance for Loan and Lease Losses and Loans Receivable
Individually evaluated for impairment	2,426	2,967
Collectively evaluated for impairment	64,901	64,832
Total allowances for loan and lease losses	67,327	67,799
Individually evaluated for impairment	98,466	105,264
Collectively evaluated for impairment	2,320,377	2,232,284
Total loans receivable	2,418,843	2,337,548
Other Commercial
Allowance for Loan and Lease Losses and Loans Receivable
Individually evaluated for impairment	5,974	6,836
Collectively evaluated for impairment	25,541	24,055
Total allowances for loan and lease losses	31,515	30,891
Individually evaluated for impairment	34,636	25,321
Collectively evaluated for impairment	972,537	900,579
Total loans receivable	1,007,173	925,900
Home Equity
Allowance for Loan and Lease Losses and Loans Receivable
Individually evaluated for impairment	172	447
Collectively evaluated for impairment	9,347	9,516
Total allowances for loan and lease losses	9,519	9,963
Individually evaluated for impairment	6,497	6,901
Collectively evaluated for impairment	396,473	387,769
Total loans receivable	402,970	394,670
Other Consumer
Allowance for Loan and Lease Losses and Loans Receivable
Individually evaluated for impairment	490	494
Collectively evaluated for impairment	5,874	5,926
Total allowances for loan and lease losses	6,364	6,420
Individually evaluated for impairment	3,933	4,304
Collectively evaluated for impairment	217,285	214,210
Total loans receivable	$ 221,218	$ 218,514

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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