Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Loan Composition) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	$ 1,744,019	$ 1,715,376
Allowance for loan and lease losses	22,748	19,520	$ 20,449	$ 20,425
Deferred loan fees	620	741
Loans and leases receivable, net amount	1,720,651	1,695,115
Commercial real estate — owner occupied
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	224,075	226,614
Commercial real estate — non-owner occupied
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	511,363	516,652
Land development
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	48,045	51,097
Construction
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	131,060	109,057
Multi-family
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	211,594	217,322
1-4 family
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	34,220	33,359
Total commercial real estate
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	1,160,357	1,154,101
Allowance for loan and lease losses	12,597	10,852	11,205	11,662
Commercial and industrial
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	519,900	503,402
Direct financing leases, net
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	26,833	28,203
Home equity and second mortgages
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	6,513	7,006
Other
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	30,416	22,664
Total consumer and other
Loans and Leases Receivable Disclosure
Loans and Leases Receivable, before Fees, Gross	36,929	29,670
Allowance for loan and lease losses	$ 829	$ 590	$ 759	$ 684