Allowance Balances [Abstract]

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- Definition

Loan Balance [Abstract]

+ References

No definition available.

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- Definition

Loans and Leases Receivable

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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- Definition

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

+ References

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- Definition

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

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-Publisher FASB
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-Topic 310
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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- Definition

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

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-Publisher FASB
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-Topic 310
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-Section 50
-Paragraph 11B
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-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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- Definition

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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Loans and Allowance - Allowance for Credit Losses and Loan Portfolio by Loan Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Allowance Balances:
Individually evaluated for impairment	$ 1,599	$ 1,872
Collectively evaluated for impairment	79,303	78,680
Total Allowance for Loan Losses	80,902	80,552	$ 76,420	$ 75,032
Loan Balance [Abstract]
Individually evaluated for impairment	23,887	22,025
Collectively evaluated for impairment	7,259,865	7,186,658
Loans	7,299,320	7,224,467
Loans acquired with deteriorated credit quality
Loan Balance [Abstract]
Loans	15,568	15,784
Commercial
Allowance Balances:
Individually evaluated for impairment	1,172	0
Collectively evaluated for impairment	31,897	32,657
Total Allowance for Loan Losses	33,069	32,657	30,770	30,420
Loan Balance [Abstract]
Individually evaluated for impairment	4,889	1,838
Collectively evaluated for impairment	2,289,661	2,248,330
Loans	2,296,929	2,252,270
Commercial \| Loans acquired with deteriorated credit quality
Loan Balance [Abstract]
Loans	2,379	2,102
Commercial Real Estate
Allowance Balances:
Individually evaluated for impairment	6	1,435
Collectively evaluated for impairment	29,428	28,174
Total Allowance for Loan Losses	29,434	29,609	27,705	27,343
Loan Balance [Abstract]
Individually evaluated for impairment	16,667	17,756
Collectively evaluated for impairment	3,352,381	3,347,686
Loans	3,381,299	3,377,831
Commercial Real Estate \| Loans acquired with deteriorated credit quality
Loan Balance [Abstract]
Loans	12,251	12,389
Consumer
Allowance Balances:
Individually evaluated for impairment	1	1
Collectively evaluated for impairment	4,025	3,963
Total Allowance for Loan Losses	4,026	3,964	3,896	3,732
Loan Balance [Abstract]
Individually evaluated for impairment	15	18
Collectively evaluated for impairment	108,201	99,770
Loans	108,216	99,788
Residential
Allowance Balances:
Individually evaluated for impairment	420	436
Collectively evaluated for impairment	13,953	13,886
Total Allowance for Loan Losses	14,373	14,322	$ 14,049	$ 13,537
Loan Balance [Abstract]
Individually evaluated for impairment	2,316	2,413
Collectively evaluated for impairment	1,509,622	1,490,872
Loans	1,512,876	1,494,578
Residential \| Loans acquired with deteriorated credit quality
Loan Balance [Abstract]
Loans	$ 938	$ 1,293