Acquisitions Infinity Franchise Holdings Acquisition - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jan. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Deferred loan costs	$ 0
Goodwill		$ 50,832	$ 22,950	$ 17,428
Infinity Franchise Holdings Acquisition
Business Acquisition [Line Items]
Cash and cash equivalents	555
Loans	78,833
Allowance for loan losses	0
Other assets	776
Total assets acquired	80,164
Bank loan	67,617
Accrued compensation	495
Other liabilities	214
Total liabilities assumed	68,326
Excess of assets acquired over liabilities assumed	11,838
Consideration paid	17,360
Goodwill	5,522
As initially reported | Infinity Franchise Holdings Acquisition
Business Acquisition [Line Items]
Cash and cash equivalents	555
Loans	78,833
Deferred loan costs	1,082
Allowance for loan losses	(268)
Other assets	776
Total assets acquired	80,978
Bank loan	67,617
Accrued compensation	495
Other liabilities	214
Total liabilities assumed	68,326
Excess of assets acquired over liabilities assumed	12,652
Fair Value Adjustments | Infinity Franchise Holdings Acquisition
Business Acquisition [Line Items]
Cash and cash equivalents	0
Loans	0
Deferred loan costs	(1,082)
Allowance for loan losses	268
Other assets	0
Total assets acquired	(814)
Bank loan	0
Accrued compensation	0
Other liabilities	0
Total liabilities assumed	0
Excess of assets acquired over liabilities assumed	$ (814)