Goodwill (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Roll Forward]
Balance, beginning of year	$ 276,882,000	$ 251,241,000
Acquisitions	30,693,000	29,869,000
Goodwill impairment - U.S. consumer loan operations	(7,913,000)	0	$ 0
Effect of foreign currency translation	(4,976,000)	(4,305,000)
Other adjustments	923,000	77,000
Balance, end of year	$ 295,609,000	$ 276,882,000	$ 251,241,000