Liberty Bell Transaction - Consideration Paid and Fair Value of Identifiable Assets Acquired and Liabilities Assumed (Details) $ / shares in Units, $ in Thousands		6 Months Ended
	Mar. 01, 2018 USD ($) item $ / shares shares	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Liberty Bell Transaction
Conversion of common stock | shares	0.2857
Cash consideration per share | $ / shares	$ 1.70
Consideration paid:
Purchase price		$ 4,471
Liabilities assumed:
Goodwill			$ 5,237	$ 5,237
Liberty Bell Bank
Liberty Bell Transaction
Number of new branches added | item	3
Consideration paid:
Purchase price	$ 4,471
Common stock issued in acquisition	12,798
Total consideration paid	17,270
Assets acquired:
Cash	11,831
Investment securities	7,605
Investments in correspondent bank stock	180
Loans	121,674
Premises and equipment	2,148
Other real estate owned	946
Accrued interest receivable	358
Intangible assets	1,489
Deferred tax asset	4,263
Other assets	1,039
Total assets acquired	151,532
Liabilities assumed:
Deposits	138,241
Other liabilities	1,259
Total liabilities assumed	139,500
Net assets acquired	12,032
Goodwill	$ 5,237