Acquisition (Narrative) (Details) - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
	Oct. 01, 2016	Jun. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Common stock, shares issued (in shares)		142,498,906	142,025,720
Common stock		$ 142,499	$ 142,026
Existing Borrower Relationships
Business Acquisition [Line Items]
Useful life		11 years
Other intangible assets		$ 10,100
Trade Names
Business Acquisition [Line Items]
Useful life		10 years
Other intangible assets		$ 1,000
Distribution Network
Business Acquisition [Line Items]
Useful life		8 years
Other intangible assets		$ 544
Global One
Business Acquisition [Line Items]
Consideration transferred	$ 30,000
Common stock, shares issued (in shares)	821,000
Common stock	$ 26,592
Cash paid	$ 3,408
Adjustment in goodwill			2,600
Adjustment in contingent consideration			$ 1,800
Global One | Minimum
Business Acquisition [Line Items]
Potential additional payments based on earnings, period	3 years
Global One | Maximum
Business Acquisition [Line Items]
Potential additional payments based on earnings, period	5 years