Mergers - Additional Information (Details) $ / shares in Units, $ in Thousands		3 Months Ended	6 Months Ended
Apr. 17, 2019 USD ($) $ / shares shares	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Business Acquisition [Line Items]
Merger expenses		$ 3,450	$ 3,541
Optima Bank And Trust Company
Business Acquisition [Line Items]
Business combination, conversion price per share \| $ / shares	$ 32.00
Business combination, share conversion ratio	0.3468
Business combination percentage of common stock transaction	95.00%
Business combination percentage of cash transaction	5.00%
Common stock issued related to merger \| shares	722,746
Cash payment related to merger	$ 3,500
Total consideration paid	$ 64,300
Merger expenses		3,500	3,500
Merger-related costs		$ 3,500	$ 3,500

Business combination costs recognized by acquiree.

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Business combination percentage of cash transaction.

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Business combination percentage of common stock Transaction.

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

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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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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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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

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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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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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