Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 19,580	$ 19,580	$ 19,580
RIG
Finite-Lived Intangible Assets [Line Items]
Goodwill	6,308
New Windsor
Finite-Lived Intangible Assets [Line Items]
Goodwill	13,272
Customer lists | RIG
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount of intangible asset	9,890
Accumulated amortization of intangible asset	$ 6,738
Customer lists | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization period	8 years
Customer lists | Minimum | RIG
Finite-Lived Intangible Assets [Line Items]
Amortization period	8 years
Customer lists | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization period	15 years
Customer lists | Maximum | RIG
Finite-Lived Intangible Assets [Line Items]
Amortization period	15 years
Core deposit intangibles
Finite-Lived Intangible Assets [Line Items]
Amortization period	10 years
Core deposit intangibles | New Windsor
Finite-Lived Intangible Assets [Line Items]
Amortization period	10 years
Gross carrying amount of intangible asset	$ 2,418
Accumulated amortization of intangible asset	$ 836