Acquisition Schedule of Net Assets Acquired - Additional Information (Details)		6 Months Ended
	May 01, 2018 USD ($) shares	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)
Santandar Bank N.A. [Member]
Business Acquisition [Line Items]
Branch Acquisition, Number of Branches			14
Loans			$ 120,000,000
Deposits			$ 525,000,000
Garfield Acquisition Corp [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred, Other	$ 17,400,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares	2,745,098
Goodwill, Acquired During Period	$ 19,022,000
Loans	184,506,000
Business Combination, Acquired Receivables, Gross Contractual Amount	183,700,000
Business Combination Acquired Receivables Fair Value Adjustment	4,300,000
Business Combination, Acquired Receivables, Contractual Adjustments	5,100,000
Deposits	$ 141,281,000
Business Combination, Acquisition Related Costs		$ 1,600,000