Fair Value of Financial Instruments (Level 3 Securities) (Details) - Jun. 30, 2015 - Recurring [Member] - USD ($) $ in Thousands		Total	Total
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance		$ 18,189	$ 18,315
Net unrealized gains (losses)	[1]	(94)	96
Purchases			121
Disposals		(432)	(869)
Ending Balance		17,663	17,663
States, Municipalities and Political Subdivisions [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance		519	519
Net unrealized gains (losses)	[1]	(14)	(14)
Purchases			0
Disposals		(75)	(75)
Ending Balance		430	430
Corporate Bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance		12,199	12,312
Net unrealized gains (losses)	[1]	(32)	150
Purchases			0
Disposals		(223)	(518)
Ending Balance		11,944	11,944
Asset-Backed Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance		1,493	1,612
Net unrealized gains (losses)	[1]	(48)	(40)
Purchases			0
Disposals		(134)	(261)
Ending Balance		1,311	1,311
Equities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance		3,978	3,872
Net unrealized gains (losses)	[1]	0	0
Purchases			121
Disposals		0	(15)
Ending Balance		$ 3,978	$ 3,978

[1] Unrealized gains (losses) are recorded as a component of comprehensive income.