Premises and Equipment - Additional Information (Details) - USD ($) |
12 Months Ended | |
---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
|
Property Plant And Equipment [Line Items] | ||
Depreciation and amortization on premises and equipment | $ 1,071,000 | $ 993,000 |
Operating leases rent expense gross | 721,000 | 684,000 |
Sublease and lease income | 81,000 | 222,000 |
Capital Lease | ||
Property Plant And Equipment [Line Items] | ||
Purchase of ATM equipment | 5,000 | 18,000 |
Depreciation related to the capitalized equipment | 65,000 | 52,000 |
Silver Lake and Everett Facilities | ||
Property Plant And Equipment [Line Items] | ||
Operating leases rent expense gross | $ 1,178,000 | $ 1,065,000 |
Minimum | ||
Property Plant And Equipment [Line Items] | ||
Operating leases lease term | 3 years | |
Maximum | ||
Property Plant And Equipment [Line Items] | ||
Operating leases lease term | 20 years |