Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Condensed Consolidated Statements of Cash Flows (unaudited) [Abstract]
Net income	$ 9,400	$ 9,190
Adjustments to Reconcile Net Income to Net Cash From Operating Activities
Proceeds from sales of loans held for sale	154,938	96,384
Disbursements for loans held for sale	(157,871)	(96,544)
Provision for loan losses	(793)	(1,417)
Deferred federal income tax expense	4,475	4,874
Deferred loan fees	(930)	(526)
Depreciation, amortization of intangible assets and premiums and accretion of discounts on securities and loans	2,228	1,019
Net gains on mortgage loans	(3,923)	(2,649)
Net gains on securities	(52)	(166)
Net gains on other real estate and repossessed assets	(178)	(125)
Vehicle service contract counterparty contingencies	59	141
Share based compensation	772	581
Decrease in accrued income and other assets	551	511
Decrease in accrued expenses and other liabilities	(894)	(3,115)
Total Adjustments	(1,618)	(1,032)
Net Cash From Operating Activities	7,782	8,158
Cash Flow Used in Investing Activities
Proceeds from the sale of securities available for sale	11,786	5,126
Proceeds from the maturity of securities available for sale	16,047	39,579
Principal payments received on securities available for sale	58,587	38,891
Purchases of securities available for sale	(111,908)	(136,127)
Purchases of interest bearing deposits	(245)	0
Proceeds from the maturity of interest bearing deposits	2,915	2,593
Purchase of Federal Reserve Bank stock	(132)	0
Redemption of Federal Reserve Bank Stock	391	5
Redemption of Federal Home Loan Bank stock	4,514	0
Net increase in portfolio loans (loans originated, net of principal payments)	(39,442)	(3,712)
Proceeds from the collection of vehicle service contract counterparty receivables	15	327
Proceeds from the sale of other real estate and repossessed assets	4,515	2,870
Proceeds from the sale of property and equipment	490	0
Capital expenditures	(1,898)	(1,606)
Net Cash Used in Investing Activities	(54,365)	(52,054)
Cash Flow From Financing Activities
Net increase in total deposits	37,115	23,265
Net increase (decrease) in other borrowings	(1)	13,799
Payments of Federal Home Loan Bank advances	(144)	(4,373)
Net increase (decrease) in vehicle service contract counterparty payables	328	(1,001)
Dividends paid	(2,760)	(1,375)
Proceeds from issuance of common stock	80	37
Repurchase of common stock	(3,668)	0
Share based compensation withholding obligation	(66)	0
Net Cash From Financing Activities	30,884	30,352
Net Decrease in Cash and Cash Equivalents	(15,699)	(13,544)
Cash and Cash Equivalents at Beginning of Period	74,016	119,081
Cash and Cash Equivalents at End of Period	58,317	105,537
Cash paid during the period for
Interest	2,878	3,659
Income taxes	91	5
Transfers to other real estate and repossessed assets	2,354	2,584
Transfer of payment plan receivables to vehicle service contract counterparty receivables	$ 110	$ 297