Loans Held for Investment - Company's Investment in Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Impaired Loans
Unpaid Principal Balance	$ 29,426	$ 17,440
Total impaired loans	20,358	12,458
With Specific Allowance	8,741	1,038
Without Specific Allowance	11,617	11,420
Specific Allowance for Impaired Loans	3,212	584	$ 0
Average Recorded Investment	17,786	8,545	7,844
Interest Income Recognized	89	36	0
Business loans \| Commercial and industrial
Impaired Loans
Unpaid Principal Balance	1,978	1,071
Total impaired loans	1,906	1,023
With Specific Allowance	190	550
Without Specific Allowance	1,717	473
Specific Allowance for Impaired Loans	143	118	0
Average Recorded Investment	2,003	1,210	1,181
Interest Income Recognized	0	1	0
Business loans \| Franchise
Impaired Loans
Unpaid Principal Balance	5,870	190
Total impaired loans	5,870	189
With Specific Allowance	5,680	0
Without Specific Allowance	190	189
Specific Allowance for Impaired Loans	1,569	0	0
Average Recorded Investment	3,976	196	0
Interest Income Recognized	0	0	0
Business loans \| Commercial owner occupied
Impaired Loans
Unpaid Principal Balance	564	628
Total impaired loans	564	599
With Specific Allowance	0	0
Without Specific Allowance	564	599
Specific Allowance for Impaired Loans	0	0	0
Average Recorded Investment	576	406	3,475
Interest Income Recognized	0	0	0
Business loans \| SBA
Impaired Loans
Unpaid Principal Balance	13,059	7,598
Total impaired loans	4,104	2,739
With Specific Allowance	2,871	488
Without Specific Allowance	1,232	2,251
Specific Allowance for Impaired Loans	1,500	466	0
Average Recorded Investment	3,279	2,741	1,241
Interest Income Recognized		0	0
Business loans \| Agribusiness
Impaired Loans
Unpaid Principal Balance	7,500	7,500
Total impaired loans	7,500	7,500
With Specific Allowance	0	0
Without Specific Allowance	7,500	7,500
Specific Allowance for Impaired Loans	0	0	0
Average Recorded Investment	7,500	2,500	0
Interest Income Recognized	89	35	0
Real estate loans \| Commercial non-owner occupied
Impaired Loans
Specific Allowance for Impaired Loans	0		0
Average Recorded Investment	0	430	0
Interest Income Recognized	0	0	0
Real estate loans \| Multi-family
Impaired Loans
Specific Allowance for Impaired Loans	0		0
Average Recorded Investment	0	0	821
Interest Income Recognized	0	0	0
Real estate loans \| One-to-four family
Impaired Loans
Unpaid Principal Balance	428	453
Total impaired loans	388	408
With Specific Allowance	0	0
Without Specific Allowance	388	408
Specific Allowance for Impaired Loans	0	0	0
Average Recorded Investment	395	1,053	1,024
Interest Income Recognized	0	0	0
Real estate loans \| Land
Impaired Loans
Specific Allowance for Impaired Loans	0		0
Average Recorded Investment	0	2	8
Interest Income Recognized	0	0	0
Consumer Loans \| Consumer loans
Impaired Loans
Unpaid Principal Balance	27
Total impaired loans	26
With Specific Allowance	0
Without Specific Allowance	26
Specific Allowance for Impaired Loans	0		0
Average Recorded Investment	57	7	94
Interest Income Recognized	$ 0	$ 0	$ 0

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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-Publisher FASB
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-Section 50
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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