Income Tax - (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014
Income Tax [Abstract]
Unused business income tax credits	$ 4,112,000
AMT credit carryover	1,351,000
ATM credit carryforward, expiration period	unlimited
Unused business income tax expiration year	Dec. 31, 2027
State net operating loss	28,635,000
State net operating loss expiration year	Dec. 31, 2022
Recognized deferred income tax liability	14,743,000
Unrecorded deferred income tax liability	$ 5,013,000