Loans - Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2016	Dec. 31, 2015
Loans
Loans	$ 1,464,855	$ 1,359,458
Real estate
Loans
Loans	834,433	786,926
Real estate \| Residential mortgages
Loans
Jumbo single family residential mortgage loans purchased	35,014
Average loan principal amount	$ 850
Average portfolio yield	3.11%
Servicing fees (as a percent)	25.00%
Loans	$ 32,852
Focus Business Bank
Loans
Loans acquired in the Focus transaction	$ 117,655	$ 141,343

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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