Fair Value Measurements (Details 3) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Total realized/unrealized gains (losses):
Additions / Purchases		$ 0	$ 0
Transfers	0	0
Paydowns received on Level 3 assets measured on a recurring basis	100,000	3,700,000
Securities Available-for-Sale
Level 3 Assets Measured on a Recurring Basis
Balance, beginning of period	3,633,000	65,187,000	65,187,000
Total realized/unrealized gains (losses):
Included in other comprehensive income	(9,000)	(35,000)
Settlements	(100,000)	(3,655,000)
Other (1)		91,000
Balance, end of period	3,524,000	61,588,000
Contingent Consideration Asset
Total realized/unrealized gains (losses):
Additions / Purchases	2,930,000
Balance, end of period	2,930,000
Equity Warrants
Total realized/unrealized gains (losses):
Included in earnings	78,000
Additions / Purchases	631,000
Settlements	(29,000)
Balance, end of period	$ 680,000