Income Taxes (Summary of Income Tax Contingencies) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of period	$ 324	$ 1,265
Additions for tax provisions related to prior year	316	812
Reduction for tax positions related to prior year due closed tax years	0	(34)
Reduction for tax positions related to prior tax years	(134)	(1,719)
State income tax exposure	506	324
Balance at end of period	506	324
Federal and State Tax
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of period	305	1,003
Additions for tax provisions related to prior year	299	798
Reduction for tax positions related to prior year due closed tax years	0	(31)
Reduction for tax positions related to prior tax years	(134)	(1,465)
State income tax exposure	470	305
Balance at end of period	470	305
Accrued Interest and Penalties
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of period	19	262
Additions for tax provisions related to prior year	17	14
Reduction for tax positions related to prior year due closed tax years	0	(3)
Reduction for tax positions related to prior tax years	0	(254)
State income tax exposure	36	19
Balance at end of period	$ 36	$ 19