Fair Value Measurements - Schedule of Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Assets [Abstract]
Securities available for sale	$ 71,884	$ 72,153
Level 1 [Member]
Assets [Abstract]
Cash and short-term investments	67,110	29,091
Securities available for sale	0	382
Restricted investments	0	0
Loans, net	0	0
Accrued interest receivable	0	0
Mutual funds	382
Interest rate swaps	0	0
Bank-owned life insurance	0	0
Total assets at fair value	67,492	29,473
Liabilities [Abstract]
Deposits	0	0
FHLB advances	0	0
Junior subordinated debt	0	0
Accrued interest payable	0	0
Interest rate swaps	0	0
Total liabilities at fair value	0	0
Level 2 [Member]
Assets [Abstract]
Cash and short-term investments	0	0
Securities available for sale	71,884	71,771
Restricted investments	2,240	1,546
Loans, net	534,634	494,143
Accrued interest receivable	1,942	1,940
Mutual funds	0
Interest rate swaps	367	233
Bank-owned life insurance	13,595	13,234
Total assets at fair value	624,662	582,867
Liabilities [Abstract]
Deposits	634,917	569,297
FHLB advances	23,633	7,766
Junior subordinated debt	4,414	4,116
Accrued interest payable	300	128
Interest rate swaps	38	119
Total liabilities at fair value	663,302	581,426
Level 3 [Member]
Assets [Abstract]
Cash and short-term investments	0	0
Securities available for sale	0	0
Restricted investments	0	0
Loans, net	2,438	46
Accrued interest receivable	0	0
Mutual funds	0
Interest rate swaps	0	0
Bank-owned life insurance	0	0
Total assets at fair value	2,438	46
Liabilities [Abstract]
Deposits	0	0
FHLB advances	0	0
Junior subordinated debt	0	0
Accrued interest payable	0	0
Interest rate swaps	0	0
Total liabilities at fair value	0	0
Carrying Amount [Member]
Assets [Abstract]
Cash and short-term investments	67,110	29,300
Securities available for sale	71,884	72,153
Restricted investments	2,240	1,546
Loans, net	544,188	497,705
Accrued interest receivable	1,942	1,940
Mutual funds	382
Interest rate swaps	367	233
Bank-owned life insurance	13,595	13,234
Total assets at fair value	701,708	616,111
Liabilities [Abstract]
Deposits	635,638	570,023
FHLB advances	23,780	7,860
Junior subordinated debt	4,124	4,124
Accrued interest payable	300	128
Interest rate swaps	38	119
Total liabilities at fair value	663,880	582,254
Fair Value [Member]
Assets [Abstract]
Cash and short-term investments	67,110	29,091
Securities available for sale	71,884	72,153
Restricted investments	2,240	1,546
Loans, net	537,072	494,189
Accrued interest receivable	1,942	1,940
Mutual funds	382
Interest rate swaps	367	233
Bank-owned life insurance	13,595	13,234
Total assets at fair value	694,592	612,386
Liabilities [Abstract]
Deposits	634,917	569,297
FHLB advances	23,633	7,766
Junior subordinated debt	4,414	4,116
Accrued interest payable	300	128
Interest rate swaps	38	119
Total liabilities at fair value	$ 663,302	$ 581,426