Allowance for Loan and Lease Losses - Activity in Allowance for Loan and Lease Losses (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2019	Dec. 31, 2018
Allowance for credit losses:
Beginning balance	$ 9,750	$ 9,043
Charge-offs	(1,130)	(5,308)
Recoveries	518	1,665
Provision	300	4,350
Ending balance	9,438	9,750
Reserves:
Specific	1,429	2,008
General	8,009	7,742
Ending balance	9,438	9,750
Loans evaluated for impairment:
Individually	15,242	16,072
Collectively	1,735,747	1,715,856
Total Financing Receivables	1,750,989	1,731,928
Unallocated [Member]
Allowance for credit losses:
Beginning balance	30	46
Charge-offs	0	0
Recoveries	0	0
Provision	52	(16)
Ending balance	82	30
Reserves:
Specific	0	0
General	82	30
Ending balance	82	30
Loans evaluated for impairment:
Individually	0	0
Collectively	0	0
Total Financing Receivables	0	0
Commercial and Industrial [Member]
Allowance for credit losses:
Beginning balance	256	208
Charge-offs	0	0
Recoveries	0	23
Provision	(37)	25
Ending balance	219	256
Reserves:
Specific	1	2
General	218	254
Ending balance	219	256
Loans evaluated for impairment:
Individually	6	6
Collectively	52,080	49,097
Total Financing Receivables	52,086	49,103
Commercial and Industrial [Member]
Allowance for credit losses:
Beginning balance	2,394	2,772
Charge-offs	(579)	(608)
Recoveries	41	148
Provision	58	82
Ending balance	1,914	2,394
Reserves:
Specific	333	918
General	1,581	1,476
Ending balance	1,914	2,394
Loans evaluated for impairment:
Individually	1,099	1,744
Collectively	215,698	218,289
Total Financing Receivables	216,797	220,033
Consumer Loans [Member]
Allowance for credit losses:
Beginning balance	1,239	1,231
Charge-offs	(551)	(2,226)
Recoveries	302	1,120
Provision	139	1,114
Ending balance	1,129	1,239
Reserves:
Specific	180	151
General	949	1,088
Ending balance	1,129	1,239
Loans evaluated for impairment:
Individually	789	821
Collectively	7,467	8,041
Total Financing Receivables	8,256	8,862
Real Estate Loan [Member]
Allowance for credit losses:
Beginning balance	5,831	4,786
Charge-offs	0	(2,474)
Recoveries	175	374
Provision	88	3,145
Ending balance	6,094	5,831
Reserves:
Specific	915	937
General	5,179	4,894
Ending balance	6,094	5,831
Loans evaluated for impairment:
Individually	13,348	13,501
Collectively	1,460,502	1,440,429
Total Financing Receivables	$ 1,473,850	$ 1,453,930

Represents financing receivable, allowance for credit losses, general reserves.

No definition available.

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- Definition

Represents financing receivable, allowance for credit losses, specific reserves.

+ References

No definition available.

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- Definition

Financing receivable reserves.

+ References

No definition available.

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- References

No definition available.

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

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- Definition

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

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- Definition

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

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ 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 (c)(2)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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