Premises and Equipment - Schedule of Premises and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property Plant And Equipment [Line Items]
Premises and equipment, gross	$ 25,264	$ 25,132
Accumulated depreciation	(3,331)	(1,788)
Premises and equipment, net	21,933	23,344
Land
Property Plant And Equipment [Line Items]
Premises and equipment, gross	4,783	5,511
Buildings
Property Plant And Equipment [Line Items]
Premises and equipment, gross	11,041	12,911
Leasehold Improvements
Property Plant And Equipment [Line Items]
Premises and equipment, gross	4,000	2,452
Furniture, Fixtures and Equipment
Property Plant And Equipment [Line Items]
Premises and equipment, gross	$ 5,440	$ 4,258