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Shares of acquirer ratio of common stock.

+ References

No definition available.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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No definition available.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The amount of financial assets (as defined) recognized as of the acquisition date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

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No definition available.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisition of First Priority Financial Corp. (Narrative) (Details) - USD ($)		3 Months Ended		9 Months Ended
	Jul. 31, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jan. 08, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill		$ 62,767,000		$ 62,767,000			$ 3,918,000
First Priority Financial Corp. [Member]
Business Acquisition [Line Items]
Acquisition completion date	Jul. 31, 2018
Shares of acquirer ratio of common stock	34.81%
Per share price	$ 11.07
Common stock shares issued to acquire the company	2,320,800
Payments to acquire businesses gross	$ 3,807,000
Business combination consideration transferred	79,929,000
Goodwill	39,659,000
Intangible assets acquired (finite lived)	2,832,000
Intangible assets acquired (indefinite lived)	$ 205,000
Intangible assets, amortization period	10 years
Core deposit intangible amortization expense related to acquisition for year one	$ 215,000
Core deposit intangible amortization expense related to acquisition for year two	493,000
Core deposit intangible amortization expense related to acquisition for year three	442,000
Core deposit intangible amortization expense related to acquisition for year four	390,000
Core deposit intangible amortization expense related to acquisition for year five	339,000
Core deposit intangible amortization expense related to acquisition for after year five	953,000
Fair value of purchased loans	511,623,000					$ 511,623,000
Pro Forma Earnings		$ 5,502,000	$ 1,533,000	10,995,000	$ 6,368,000
Severance and retention bonus expenses				1,475,000
First Priority Financial Corp. [Member] \| Excluded Acquisition-related Costs [Member]
Business Acquisition [Line Items]
Pro Forma Earnings				$ 3,661,000
First Priority Financial Corp. [Member] \| Stock Options [Member]
Business Acquisition [Line Items]
Payments to acquire businesses gross	3,801,000
First Priority Financial Corp. [Member] \| Fractional Shares [Member]
Business Acquisition [Line Items]
Payments to acquire businesses gross	$ 6,000