Fair Value of Financial Instruments, Assets, Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets [Abstract]
AFS Securities	$ 3,129	$ 0
HTM securities	58,959	62,827
Bank Commitments [Member]
Liabilities [Abstract]
Loan funding commitments	97,600	58,200
Standby Letters of Credit [Member]
Liabilities [Abstract]
Loan funding commitments	3,900	4,000
Level 1 [Member]
Assets [Abstract]
Cash and cash equivalents	41,635	67,114
AFS Securities	0
HTM securities	8,102	13,165
LHFS	0	0
Loans receivable	0	0
Restricted stock investments	0	0
Accrued interest receivable	0	0
MSRs	0	0
IRLCs	0	0
Mandatory forward contracts	0	0
Best effort forward contracts	0
Liabilities [Abstract]
Deposits	0	0
Borrowings	0	0
Subordinated debentures	0	0
Accrued interest payable	0	0
Level 2 [Member]
Assets [Abstract]
Cash and cash equivalents	0	0
AFS Securities	3,129
HTM securities	50,857	49,662
LHFS	4,871	10,313
Loans receivable	0	0
Restricted stock investments	4,699	5,103
Accrued interest receivable	2,503	2,249
MSRs	0	0
IRLCs	42	162
Mandatory forward contracts	7	153
Best effort forward contracts	6
Liabilities [Abstract]
Deposits	586,594	572,556
Borrowings	87,909	97,961
Subordinated debentures	0	0
Accrued interest payable	478	538
Level 3 [Member]
Assets [Abstract]
Cash and cash equivalents	0	0
AFS Securities	0
HTM securities	0	0
LHFS	0	0
Loans receivable	653,381	602,953
Restricted stock investments	0	0
Accrued interest receivable	0	0
MSRs	473	557
IRLCs	0	0
Mandatory forward contracts	0	0
Best effort forward contracts	0
Liabilities [Abstract]
Deposits	0	0
Borrowings	0	0
Subordinated debentures	20,619	20,619
Accrued interest payable	0	0
Carrying Value [Member]
Assets [Abstract]
Cash and cash equivalents	41,635	67,114
AFS Securities	3,129
HTM securities	58,764	62,757
LHFS	4,871	10,307
Loans receivable	643,028	601,309
Restricted stock investments	4,699	5,103
Accrued interest receivable	2,503	2,249
MSRs	473	557
IRLCs	42	162
Mandatory forward contracts	7	153
Best effort forward contracts	6
Liabilities [Abstract]
Deposits	593,492	571,946
Borrowings	93,450	103,500
Subordinated debentures	20,619	20,619
Accrued interest payable	478	538
Total [Member]
Assets [Abstract]
Cash and cash equivalents	41,635	67,114
AFS Securities	3,129
HTM securities	58,959	62,827
LHFS	4,871	10,313
Loans receivable	653,381	602,953
Restricted stock investments	4,699	5,103
Accrued interest receivable	2,503	2,249
MSRs	473	557
IRLCs	42	162
Mandatory forward contracts	7	153
Best effort forward contracts	6
Liabilities [Abstract]
Deposits	586,594	572,556
Borrowings	87,909	97,961
Subordinated debentures	20,619	20,619
Accrued interest payable	$ 478	$ 538