v3.19.1
Loans Receivable - Credit Quality Indicators (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]    
Classified loans $ 1,002,260 $ 889,011
Pass    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 987,967 871,007
Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 7,763 11,905
Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 6,530 6,099
Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Residential | Real estate:    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 407,844 342,684
Residential | Real estate: | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 405,532 340,854
Residential | Real estate: | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 118 0
Residential | Real estate: | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 2,194 1,830
Residential | Real estate: | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Commercial    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 122,264 108,982
Commercial | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 117,670 101,868
Commercial | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 3,844 5,730
Commercial | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 750 1,384
Commercial | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Commercial | Real estate:    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 278,691 259,853
Commercial | Real estate: | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 274,247 251,292
Commercial | Real estate: | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 2,958 6,175
Commercial | Real estate: | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 1,486 2,386
Commercial | Real estate: | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Construction | Real estate:    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 157,586 144,932
Construction | Real estate: | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 154,643 144,433
Construction | Real estate: | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 843 0
Construction | Real estate: | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 2,100 499
Construction | Real estate: | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Consumer | Credit card    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 34,673 31,507
Consumer | Credit card | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 34,673 31,507
Consumer | Credit card | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Consumer | Credit card | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Consumer | Credit card | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Consumer | Other consumer    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 1,202 1,053
Consumer | Other consumer | Pass    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 1,202 1,053
Consumer | Other consumer | Special Mention    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Consumer | Other consumer | Substandard    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans 0 0
Consumer | Other consumer | Doubtful    
Financing Receivable, Recorded Investment [Line Items]    
Classified loans $ 0 $ 0